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Linux tail -n1

时间: 2025-04-24 19:21:19 浏览: 43
<think>好的,用户让我介绍一下Linux的tail -n1命令。首先,我需要回忆一下tail命令的基本作用。tail主要用于查看文件的末尾内容,默认显示最后10行。而-n参数用来指定显示的行数,所以-n1应该就是显示最后一行。 接下来,我需要确认这个参数的具体用法和常见场景。比如用户可能想快速查看日志文件的最后一行,或者结合其他命令使用。比如在管道中,将前面命令的输出作为输入,用tail -n1来获取最后一行结果。 然后,要考虑用户可能的疑惑点。例如,如果文件只有一行,或者文件为空,会发生什么情况?这时候需要解释清楚,如果文件只有一行,自然显示那一行;如果为空,则不会有输出。同时,可能提到-f参数和-n1的结合使用,虽然这种情况下用处不大,但可以说明。 另外,用户可能想知道与其他命令的结合,比如和grep一起使用,先过滤日志,再取最后一行。这时候需要举一个例子,比如查看error.log中最近的错误信息。 还要注意语法正确性,比如正确的命令格式是tail -n1 filename,或者tail -n 1 filename,两种写法都可以。需要指出这一点,避免用户混淆。 可能还需要提到错误处理,比如文件不存在时,tail会报错,提示文件不存在。这时候需要用户检查路径或文件名是否正确。 总结下来,结构应该是先解释命令的作用,然后详细说明-n1参数,给出基本用法示例,再讨论常见使用场景,最后可能提到注意事项和结合其他命令的例子。确保用户能够逐步理解并正确应用这个命令。</think>Linux中的`tail`命令用于查看文件末尾内容。`-n1`参数表示仅显示文件的最后1行。 ### 基本格式: ```bash tail -n1 文件名 ``` 或简写为: ```bash tail -1 文件名 ``` ### 核心作用: 1. **快速定位最新内容** 适用于日志文件、实时数据等需要查看最新记录的场景 示例: ```bash tail -n1 /var/log/syslog ``` 2. **管道组合使用** 可与其他命令结合处理输出结果 示例(查看进程列表最后一条记录): ```bash ps aux | tail -n1 ``` 3. **验证文件非空性** 通过是否有输出来判断文件是否包含内容 ### 注意事项: - 文件只有1行时,完整显示该行内容 - 文件为空时无输出 - 参数位置敏感:`tail -n1 file`正确,`tail file -n1`错误 ### 扩展用法: 配合`-f`参数监控日志时,可实时显示新增的最后一行: ```bash tail -f -n1 error.log ``` 通过这个命令,您可以高效地提取文件尾部信息,特别适合在脚本编程或日志分析场景中使用。
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[Info ] 2025-05-13 15:18:03.817 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][Remote -SSH(TRAE)] activated [Info ] 2025-05-13 15:18:03.836 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702]Resolving ssh remote authority 'ssh-remote+7b22686f73744e616d65223a223139322e3136382e33312e3339227d' (attemp #1) [Info ] 2025-05-13 15:18:03.883 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702]Initiating SSH connection [Debug] 2025-05-13 15:18:04.378 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH] Checking ssh with "C:\Windows\System32\OpenSSH\ssh.exe -V" [Debug] 2025-05-13 15:18:04.413 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH] stderr> OpenSSH_for_Windows_9.5p1, LibreSSL 3.8.2 [Debug] 2025-05-13 15:18:04.413 +08:00 [Info ] 2025-05-13 15:18:04.416 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:LocalServer] Connecting to 192.168.31.39 [Info ] 2025-05-13 15:18:04.416 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:LocalServer] Full SSH command: C:\Windows\System32\OpenSSH\ssh.exe -T -D 57335 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o RemoteCommand=bash -l -c "exec bash --norc" 192.168.31.39 [Info ] 2025-05-13 15:18:04.416 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:Connection] SSH:Connection event: beforeconnect [Info ] 2025-05-13 15:18:04.418 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH AskPass] Pipe listening: \\.\pipe\trae-askpass-f4eba673c8e04dbaa55fb3909c6dfe1d1144f93b [Info ] 2025-05-13 15:18:04.418 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH AskPass] askpass script: d:\TRAE\Trae CN\resources\app\extensions\icube-remote-ssh\out\askpass-main.js [Info ] 2025-05-13 15:18:04.420 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:LocalServer] AskPass environment variables set: {"SSH_ASKPASS":"C:\\Users\\2333\\AppData\\Local\\Temp\\trae-ssh-askpass-y9qwarzi\\askpass.bat","SSH_ASKPASS_REQUIRE":"force","DISPLAY":"0","VSCODE_SSH_ASKPASS_NODE":"D:\\TRAE\\Trae CN\\Trae CN.exe","VSCODE_SSH_ASKPASS_MAIN":"d:\\TRAE\\Trae CN\\resources\\app\\extensions\\icube-remote-ssh\\out\\askpass-main.js","VSCODE_SSH_ASKPASS_HANDLE":"\\\\.\\pipe\\trae-askpass-f4eba673c8e04dbaa55fb3909c6dfe1d1144f93b","VSCODE_SSH_ASKPASS_EXTRA_ARGS":""} [Info ] 2025-05-13 15:18:04.547 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: [email protected]> Running ssh connection command: C:\Windows\System32\OpenSSH\ssh.exe -T -D 57335 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o RemoteCommand=bash -l -c "exec bash --norc" 192.168.31.39 [Info ] 2025-05-13 15:18:04.547 +08:00 [Info ] 2025-05-13 15:18:04.553 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: [email protected]> Spawned ssh, pid=14056 [Info ] 2025-05-13 15:18:04.553 +08:00 [Info ] 2025-05-13 15:18:04.711 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stderr: Warning: Permanently added '192.168.31.39' (ED25519) to the list of known hosts. [Info ] 2025-05-13 15:18:04.711 +08:00 [Info ] 2025-05-13 15:18:04.939 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:LocalServer] localServerProcess is ready, executing remote script [Info ] 2025-05-13 15:18:04.941 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:Connection] Authentication required: {"type":"password","request":"[email protected]'s password: "} [Info ] 2025-05-13 15:18:36.667 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: ready: c7e8d689b293 [Info ] 2025-05-13 15:18:36.667 +08:00 [Info ] 2025-05-13 15:18:36.667 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: Linux cmcs232-System-Product-Name 6.8.0-59-generic #61~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Apr 15 17:03:15 UTC 2 x86_64 x86_64 x86_64 GNU/Linux [Info ] 2025-05-13 15:18:36.667 +08:00 /bin/bash [Info ] 2025-05-13 15:18:36.667 +08:00 c7e8d689b293: running [Info ] 2025-05-13 15:18:36.667 +08:00 [Info ] 2025-05-13 15:18:36.668 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:Connection] SSH:Connection event: connect [Info ] 2025-05-13 15:18:36.668 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:Resolver] Connection established successfully [Info ] 2025-05-13 15:18:36.668 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702]SSH:Connection connection established [Info ] 2025-05-13 15:18:36.681 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:ExecPartial] Executing command: bash --noprofile --norc -c '#!/usr/bin/env sh [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 KERNEL="$(uname -s)" [Info ] 2025-05-13 15:18:36.681 +08:00 case $KERNEL in [Info ] 2025-05-13 15:18:36.681 +08:00 Darwin) [Info ] 2025-05-13 15:18:36.681 +08:00 PLATFORM="darwin" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 Linux) [Info ] 2025-05-13 15:18:36.681 +08:00 PLATFORM="linux" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 FreeBSD) [Info ] 2025-05-13 15:18:36.681 +08:00 PLATFORM="freebsd" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 DragonFly) [Info ] 2025-05-13 15:18:36.681 +08:00 PLATFORM="dragonfly" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 *) [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Error platform not supported: $KERNEL" [Info ] 2025-05-13 15:18:36.681 +08:00 exit 1 [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 esac [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 ARCH="$(uname -m)" [Info ] 2025-05-13 15:18:36.681 +08:00 case $ARCH in [Info ] 2025-05-13 15:18:36.681 +08:00 x86_64 | amd64) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="x64" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 armv7l | armv8l) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="armhf" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 arm64 | aarch64) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="arm64" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 ppc64le) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="ppc64le" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 riscv64) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="riscv64" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 loongarch64) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="loong64" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 s390x) [Info ] 2025-05-13 15:18:36.681 +08:00 SERVER_ARCH="s390x" [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 *) [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Error architecture not supported: $ARCH" [Info ] 2025-05-13 15:18:36.681 +08:00 exit 1 [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 esac [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 OS_RELEASE_ID="$(grep -i '\''^ID='\'' /etc/os-release 2>/dev/null | sed '\''s/^ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_RELEASE_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_RELEASE_ID="$(grep -i '\''^ID='\'' /usr/lib/os-release 2>/dev/null | sed '\''s/^ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_RELEASE_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_RELEASE_ID="unknown" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 OS_VERSION_ID="$(grep -i '\''^VERSION_ID='\'' /etc/os-release 2>/dev/null | sed '\''s/^VERSION_ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_VERSION_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_VERSION_ID="$(grep -i '\''^VERSION_ID='\'' /usr/lib/os-release 2>/dev/null | sed '\''s/^VERSION_ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_VERSION_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_VERSION_ID="unknown" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION="" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$OS_ID" = "alpine" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Warning: alpine distro detected, skipping GLIBC check" [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION="musl" [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -z "$(ldd --version 2>&1 | grep '\''musl libc'\'')" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -f /sbin/ldconfig ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Look up path [Info ] 2025-05-13 15:18:36.681 +08:00 libc_paths=$(/sbin/ldconfig -p | grep '\''libc.so.6'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$(echo "$libc_paths" | wc -l)" -gt 1 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 case $ARCH in [Info ] 2025-05-13 15:18:36.681 +08:00 x86_64) LDCONFIG_ARCH="x86-64";; [Info ] 2025-05-13 15:18:36.681 +08:00 armv7l | armv8l) LDCONFIG_ARCH="hard-float";; [Info ] 2025-05-13 15:18:36.681 +08:00 arm64 | aarch64) [Info ] 2025-05-13 15:18:36.681 +08:00 BITNESS=$(getconf LONG_BIT) [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$BITNESS" = "32" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Can have 32-bit userland on 64-bit kernel [Info ] 2025-05-13 15:18:36.681 +08:00 LDCONFIG_ARCH="hard-float" [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 LDCONFIG_ARCH="AArch64" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 esac [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path=$(echo "$libc_paths" | grep "$LDCONFIG_ARCH" | awk '\''{print $NF}'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path=$(echo "$libc_paths" | awk '\''{print $NF}'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -f /usr/lib/libc.so.6 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Typical path [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path='\''/usr/lib/libc.so.6'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -f /lib64/libc.so.6 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Typical path (OpenSUSE) [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path='\''/lib64/libc.so.6'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -f /usr/lib64/libc.so.6 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Typical path [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path='\''/usr/lib64/libc.so.6'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Warning: Can'\''t find libc.so or ldconfig, can'\''t verify libc version" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 while [ -n "$libc_path" ]; do [Info ] 2025-05-13 15:18:36.681 +08:00 # Rather than trusting the output of ldd --version (which is not always accurate) [Info ] 2025-05-13 15:18:36.681 +08:00 # we instead use the version of the cached libc.so.6 file itself. [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path_line=$(echo "$libc_path" | head -n1) [Info ] 2025-05-13 15:18:36.681 +08:00 libc_real_path=$(readlink -f "$libc_path_line" 2>/dev/null || echo "$libc_path_line") [Info ] 2025-05-13 15:18:36.681 +08:00 libc_version=$(cat "$libc_real_path" 2>/dev/null | sed -n '\''s/.*release version \([0-9]\+\.[0-9]\+\).*/\1/p'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -n "$libc_version" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION="$libc_version" [Info ] 2025-05-13 15:18:36.681 +08:00 break [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 libc_path=$(echo "$libc_path" | tail -n +2) # remove first line [Info ] 2025-05-13 15:18:36.681 +08:00 done [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$GLIBC_VERSION" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 if command -v ldd >/dev/null 2>&1; then [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION=$(ldd --version 2>&1 | grep -i "GLIBC|GNU C" | head -n1 | grep -oE '\''[0-9]+\.[0-9]+'\'' | head -n1) [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$GLIBC_VERSION" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION="unknown" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Warning: musl detected, skipping GLIBC check" [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBC_VERSION="musl" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBCXX_VERSION="" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$OS_ID" != "alpine" ] && [ -z "$(ldd --version 2>&1 | grep '\''musl libc'\'')" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -f /sbin/ldconfig ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Look up path [Info ] 2025-05-13 15:18:36.681 +08:00 case $ARCH in [Info ] 2025-05-13 15:18:36.681 +08:00 x86_64) LDCONFIG_ARCH="x86-64";; [Info ] 2025-05-13 15:18:36.681 +08:00 armv7l | armv8l) LDCONFIG_ARCH="hard-float";; [Info ] 2025-05-13 15:18:36.681 +08:00 arm64 | aarch64) [Info ] 2025-05-13 15:18:36.681 +08:00 BITNESS=$(getconf LONG_BIT) [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$BITNESS" = "32" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 LDCONFIG_ARCH="hard-float" [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 LDCONFIG_ARCH="AArch64" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 ;; [Info ] 2025-05-13 15:18:36.681 +08:00 esac [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_paths=$(/sbin/ldconfig -p | grep '\''libstdc++.so.6'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 if [ "$(echo "$libstdcpp_paths" | wc -l)" -gt 1 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path=$(echo "$libstdcpp_paths" | grep "$LDCONFIG_ARCH" | awk '\''{print $NF}'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path=$(echo "$libstdcpp_paths" | awk '\''{print $NF}'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -f /usr/lib/libstdc++.so.6 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Typical path [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path='\''/usr/lib/libstdc++.so.6'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -f /usr/lib64/libstdc++.so.6 ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 # Typical path [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path='\''/usr/lib64/libstdc++.so.6'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 else [Info ] 2025-05-13 15:18:36.681 +08:00 echo "Warning: Can'\''t find libstdc++.so or ldconfig, can'\''t verify libstdc++ version" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 while [ -n "$libstdcpp_path" ]; do [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path_line=$(echo "$libstdcpp_path" | head -n1) [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_real_path=$(readlink -f "$libstdcpp_path_line" 2>/dev/null || echo "$libstdcpp_path_line") [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_version=$(grep -ao '\''GLIBCXX_[0-9]*\.[0-9]*\.[0-9]*'\'' "$libstdcpp_real_path" 2>/dev/null | sort -V | tail -1) [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -n "$libstdcpp_version" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBCXX_VERSION=$(echo "$libstdcpp_version" | sed '\''s/GLIBCXX_//'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 break [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 libstdcpp_path=$(echo "$libstdcpp_path" | tail -n +2) # remove first line [Info ] 2025-05-13 15:18:36.681 +08:00 done [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$GLIBCXX_VERSION" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 GLIBCXX_VERSION="unknown" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 OS_ID="$(grep -i '\''^ID='\'' /etc/os-release 2>/dev/null | sed '\''s/^ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_ID="$(grep -i '\''^ID='\'' /usr/lib/os-release 2>/dev/null | sed '\''s/^ID=//gi'\'' | sed '\''s/"//g'\'')" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -z "$OS_ID" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 OS_ID="unknown" [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 CONSUL_DATACENTER="" [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -f "/opt/tmp/consul_agent/datacenter" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 CONSUL_DATACENTER=$(cat "/opt/tmp/consul_agent/datacenter" | tr -d '\''[:space:]'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 check_region() { [Info ] 2025-05-13 15:18:36.681 +08:00 temp_file1=$(mktemp) [Info ] 2025-05-13 15:18:36.681 +08:00 temp_file2=$(mktemp) [Info ] 2025-05-13 15:18:36.681 +08:00 local region="" [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 curl -s -X POST https://api.trae.ai/cloudide/api/v3/trae/GetLoginGuidanceForBytedance > "$temp_file1" & pid1=$! [Info ] 2025-05-13 15:18:36.681 +08:00 curl -s -X POST https://api.trae.com.cn/cloudide/api/v3/trae/GetLoginGuidanceForBytedance > "$temp_file2" & pid2=$! [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 while true; do [Info ] 2025-05-13 15:18:36.681 +08:00 if [ -s "$temp_file1" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 kill $pid2 2>/dev/null [Info ] 2025-05-13 15:18:36.681 +08:00 region=$(cat "$temp_file1" | grep -o '\''"Region":"[^"]*"'\'' | sed '\''s/"Region":"\([^"]*\)"/\1/'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 break [Info ] 2025-05-13 15:18:36.681 +08:00 elif [ -s "$temp_file2" ]; then [Info ] 2025-05-13 15:18:36.681 +08:00 kill $pid1 2>/dev/null [Info ] 2025-05-13 15:18:36.681 +08:00 region=$(cat "$temp_file2" | grep -o '\''"Region":"[^"]*"'\'' | sed '\''s/"Region":"\([^"]*\)"/\1/'\'') [Info ] 2025-05-13 15:18:36.681 +08:00 break [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 if ! kill -0 $pid1 2>/dev/null && ! kill -0 $pid2 2>/dev/null; then [Info ] 2025-05-13 15:18:36.681 +08:00 break [Info ] 2025-05-13 15:18:36.681 +08:00 fi [Info ] 2025-05-13 15:18:36.681 +08:00 sleep 0.1 [Info ] 2025-05-13 15:18:36.681 +08:00 done [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 rm -f "$temp_file1" "$temp_file2" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "$region" | tr -d '\''[:space:]'\'' [Info ] 2025-05-13 15:18:36.681 +08:00 } [Info ] 2025-05-13 15:18:36.681 +08:00 REGION=$(check_region) [Info ] 2025-05-13 15:18:36.681 +08:00 [Info ] 2025-05-13 15:18:36.681 +08:00 echo "PLATFORM=$PLATFORM" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "ARCH=$ARCH" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "SERVER_ARCH=$SERVER_ARCH" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "OS_RELEASE_ID=$OS_RELEASE_ID" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "OS_VERSION_ID=$OS_VERSION_ID" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "OS_ID=$OS_ID" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "GLIBC_VERSION=$GLIBC_VERSION" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "GLIBCXX_VERSION=$GLIBCXX_VERSION" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "RUNTIME_IDC_NAME=$RUNTIME_IDC_NAME" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "CONSUL_DATACENTER=$CONSUL_DATACENTER" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "BYTED_HOST_IP=$BYTED_HOST_IP" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "BYTED_HOST_IPV6=$BYTED_HOST_IPV6" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "REGION=$REGION" [Info ] 2025-05-13 15:18:36.681 +08:00 echo "==check-remote-system.sh=finish==" [Info ] 2025-05-13 15:18:36.681 +08:00 ' [Info ] 2025-05-13 15:18:36.740 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stderr: environment: 行 203: curl: 未找到命令 [Info ] 2025-05-13 15:18:36.740 +08:00 [Info ] 2025-05-13 15:18:36.740 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:ExecPartial] stderr: environment: 行 203: curl: 未找到命令 [Info ] 2025-05-13 15:18:36.740 +08:00 [Info ] 2025-05-13 15:18:36.752 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stderr: environment: 行 204: curl: 未找到命令 [Info ] 2025-05-13 15:18:36.752 +08:00 [Info ] 2025-05-13 15:18:36.752 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:ExecPartial] stderr: environment: 行 204: curl: 未找到命令 [Info ] 2025-05-13 15:18:36.752 +08:00 [Info ] 2025-05-13 15:18:36.857 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: PLATFORM=linux [Info ] 2025-05-13 15:18:36.857 +08:00 ARCH=x86_64 [Info ] 2025-05-13 15:18:36.857 +08:00 SERVER_ARCH=x64 [Info ] 2025-05-13 15:18:36.857 +08:00 OS_RELEASE_ID=ubuntu [Info ] 2025-05-13 15:18:36.857 +08:00 [Info ] 2025-05-13 15:18:36.858 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:ExecPartial] stdout: PLATFORM=linux [Info ] 2025-05-13 15:18:36.858 +08:00 ARCH=x86_64 [Info ] 2025-05-13 15:18:36.858 +08:00 SERVER_ARCH=x64 [Info ] 2025-05-13 15:18:36.858 +08:00 OS_RELEASE_ID=ubuntu [Info ] 2025-05-13 15:18:36.858 +08:00 [Info ] 2025-05-13 15:18:36.858 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][Local Server] stdout: OS_VERSION_ID=22.04 [Info ] 2025-05-13 15:18:36.858 +08:00 OS_ID=ubuntu [Info ] 2025-05-13 15:18:36.858 +08:00 GLIBC_VERSION=2.35 [Info ] 2025-05-13 15:18:36.858 +08:00 GLIBCXX_VERSION=3.4.30 [Info ] 2025-05-13 15:18:36.858 +08:00 RUNTIME_IDC_NAME= [Info ] 2025-05-13 15:18:36.858 +08:00 CONSUL_DATACENTER= [Info ] 2025-05-13 15:18:36.858 +08:00 BYTED_HOST_IP= [Info ] 2025-05-13 15:18:36.858 +08:00 BYTED_HOST_IPV6= [Info ] 2025-05-13 15:18:36.858 +08:00 REGION= [Info ] 2025-05-13 15:18:36.858 +08:00 ==check-remote-system.sh=finish== [Info ] 2025-05-13 15:18:36.858 +08:00 [Info ] 2025-05-13 15:18:36.858 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702][SSH:ExecPartial] stdout: OS_VERSION_ID=22.04 [Info ] 2025-05-13 15:18:36.858 +08:00 OS_ID=ubuntu [Info ] 2025-05-13 15:18:36.858 +08:00 GLIBC_VERSION=2.35 [Info ] 2025-05-13 15:18:36.858 +08:00 GLIBCXX_VERSION=3.4.30 [Info ] 2025-05-13 15:18:36.858 +08:00 RUNTIME_IDC_NAME= [Info ] 2025-05-13 15:18:36.858 +08:00 CONSUL_DATACENTER= [Info ] 2025-05-13 15:18:36.858 +08:00 BYTED_HOST_IP= [Info ] 2025-05-13 15:18:36.858 +08:00 BYTED_HOST_IPV6= [Info ] 2025-05-13 15:18:36.858 +08:00 REGION= [Info ] 2025-05-13 15:18:36.858 +08:00 ==check-remote-system.sh=finish== [Info ] 2025-05-13 15:18:36.858 +08:00 [Error] 2025-05-13 15:18:36.859 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702]操作系统不支持:environment: 行 203: curl: 未找到命令 [Error] 2025-05-13 15:18:36.859 +08:00 environment: 行 204: curl: 未找到命令 [Error] 2025-05-13 15:18:36.859 +08:00 [Error] 2025-05-13 15:18:36.859 +08:00 [node][53c921f5-bbfc-4f2f-8ac1-7ea3dda56ef2][1747120683836_270702]Error resolving authority [Error: preCheckSystem error: Error: 操作系统不支持:environment: 行 203: curl: 未找到命令 environment: 行 204: curl: 未找到命令 at t.preCheckSystem (d:\TRAE\Trae CN\resources\app\extensions\icube-remote-ssh\out\extension.js:2:730472) at process.processTicksAndRejections (node:internal/process/task_queues:95:5) at async d:\TRAE\Trae CN\resources\app\extensions\icube-remote-ssh\out\extension.js:2:447446 at async n.step (d:\TRAE\Trae CN\resources\app\extensions\icube-remote-ssh\out\extension.js:2:696005) at async d:\TRAE\Trae CN\resources\app\extensions\icube-remote-ssh\out\extension.js:2:447295] { [stack]: [Getter/Setter], [message]: 'preCheckSystem error: Error: 操作系统不支持:environment: 行 203: curl: 未找到命令\n' + 'environment: 行 204: curl: 未找到命令\n' }

#!/bin/bash # 简化版用户信息管理系统 CSV_FILE="users.csv" init_file() { if [[ ! -f "$CSV_FILE" ]]; then echo "用户名,密码,年龄,角色" > "$CSV_FILE" fi } # 随机密码生成(8-12位) generate_password() { local chars='A-Za-z0-9@#$%^&*_+' tr -dc "$chars" </dev/urandom | head -c $((RANDOM%5+8)) } add_user() { read -p "用户名: " username if grep -q "^$username," "$CSV_FILE"; then echo "错误:用户已存在!" && return 1 fi read -p "年龄: " age [[ ! "$age" =~ ^[0-9]+$ ]] && echo "错误:年龄无效!" && return 1 read -p "角色: " role password=$(generate_password) echo "$username,$password,$age,$role" >> "$CSV_FILE" echo "添加成功!密码: $password" } delete_user() { read -p "用户名: " username grep -v "^$username," "$CSV_FILE" > tmp && mv tmp "$CSV_FILE" echo "操作完成" } update_user() { read -p "用户名: " username current=$(grep "^$username," "$CSV_FILE") || { echo "用户不存在!" && return 1 } echo "当前信息: $current" read -p "新年龄(留空保留): " age [[ -z "$age" ]] && age=$(echo "$current" | cut -d, -f3) read -p "新角色(留空保留): " role [[ -z "$role" ]] && role=$(echo "$current" | cut -d, -f4) sed -i "/^$username,/c\\$username,$(echo "$current"|cut -d, -f2),$age,$role" "$CSV_FILE" echo "更新成功!" } find_user() { read -p "搜索词: " term grep -i "$term" "$CSV_FILE" || echo "无匹配结果" } # 统计功能面板 stats_menu() { while true; do echo -e "\n[统计功能] 1.角色分布 2.平均年龄 3.年龄极值 4.返回" read -p "选择: " choice case $choice in 1) awk -F, 'NR>1{roles[$4]++}END{for(r in roles)print r": "roles[r]"人"}' "$CSV_FILE" ;; 2) awk -F, 'NR>1{sum+=$3;c++}END{printf "平均年龄:%.1f岁\n",sum/c}' "$CSV_FILE" ;; 3) echo "最高年龄:" sort -t, -k3 -nr "$CSV_FILE" | head -2 | tail -1 echo "最低年龄:" sort -t, -k3 -n "$CSV_FILE" | head -2 | tail -1 ;; 4) break ;; *) echo "无效输入" ;; esac done } # 主菜单 main_menu() { init_file while true; do echo -e "\n用户管理系统 v1.0" echo "1.添加用户 2.删除用户 3.修改用户" echo "4.查询用户 5.系统统计 6.退出" read -p "选择操作: " choice case $choice in 1) add_user ;; 2) delete_user ;; 3) update_user ;; 4) find_user ;;

export PATH=/usr/bin:$PATH # ~/.bashrc: executed by bash(1) for non-login shells. # see /usr/share/doc/bash/examples/startup-files (in the package bash-doc) # for examples # If not running interactively, don't do anything case $- in *i*) ;; *) return;; esac # don't put duplicate lines or lines starting with space in the history. # See bash(1) for more options HISTCONTROL=ignoreboth # append to the history file, don't overwrite it shopt -s histappend # for setting history length see HISTSIZE and HISTFILESIZE in bash(1) HISTSIZE=1000 HISTFILESIZE=2000 # check the window size after each command and, if necessary, # update the values of LINES and COLUMNS. shopt -s checkwinsize # If set, the pattern "**" used in a pathname expansion context will # match all files and zero or more directories and subdirectories. #shopt -s globstar # make less more friendly for non-text input files, see lesspipe(1) [ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)" # set variable identifying the chroot you work in (used in the prompt below) if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then debian_chroot=$(cat /etc/debian_chroot) fi # set a fancy prompt (non-color, unless we know we "want" color) case "$TERM" in xterm-color|*-256color) color_prompt=yes;; esac # uncomment for a colored prompt, if the terminal has the capability; turned # off by default to not distract the user: the focus in a terminal window # should be on the output of commands, not on the prompt #force_color_prompt=yes if [ -n "$force_color_prompt" ]; then if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then # We have color support; assume it's compliant with Ecma-48 # (ISO/IEC-6429). (Lack of such support is extremely rare, and such # a case would tend to support setf rather than setaf.) color_prompt=yes else color_prompt= fi fi if [ "$color_prompt" = yes ]; then PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ' else PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ ' fi unset color_prompt force_color_prompt # If this is an xterm set the title to user@host:dir case "$TERM" in xterm*|rxvt*) PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1" ;; *) ;; esac # enable color support of ls and also add handy aliases if [ -x /usr/bin/dircolors ]; then test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)" alias ls='ls --color=auto' #alias dir='dir --color=auto' #alias vdir='vdir --color=auto' alias grep='grep --color=auto' alias fgrep='fgrep --color=auto' alias egrep='egrep --color=auto' fi # colored GCC warnings and errors #export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01' # some more ls aliases alias ll='ls -alF' alias la='ls -A' alias l='ls -CF' # Add an "alert" alias for long running commands. Use like so: # sleep 10; alert alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"' # Alias definitions. # You may want to put all your additions into a separate file like # ~/.bash_aliases, instead of adding them here directly. # See /usr/share/doc/bash-doc/examples in the bash-doc package. if [ -f ~/.bash_aliases ]; then . ~/.bash_aliases fi # enable programmable completion features (you don't need to enable # this, if it's already enabled in /etc/bash.bashrc and /etc/profile # sources /etc/bash.bashrc). if ! shopt -oq posix; then if [ -f /usr/share/bash-completion/bash_completion ]; then . /usr/share/bash-completion/bash_completion elif [ -f /etc/bash_completion ]; then . /etc/bash_completion fi fi source /opt/ros/melodic/setup.bash source /home/wheeltec/wheeltec_arm/devel/setup.bash export ROS_MASTER_URI=http://localhost:11311 export ROS_HOSTNAME=localhost export SVGA_VGPU10=0 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/OpenBLAS/lib source /home/wheeltec/wheeltec_robot/devel/setup.bash #:<<EOF source /home/wheeltec/catkin_workspace/install/setup.bash --extend # export PYTHONPATH=/home/wheeltec/archiconda3/envs/wheeltec/lib/python3.8/site-packages:$PYTHONPATH # export PYTHONPATH=/home/wheeltec/archiconda3/envs/wheeltec/bin:$PYTHONPATH # added by Archiconda3 0.2.3 installer # >>> conda init >>> # !! Contents within this block are managed by 'conda init' !! __conda_setup="$(CONDA_REPORT_ERRORS=false '/home/wheeltec/archiconda3/bin/conda' shell.bash hook 2> /dev/null)" if [ $? -eq 0 ]; then /eval "$__conda_setup" else if [ -f "/home/wheeltec/archiconda3/etc/profile.d/conda.sh" ]; then . "/home/wheeltec/archiconda3/etc/profile.d/conda.sh" CONDA_CHANGEPS1=false else /export PATH="/home/wheeltec/archiconda3/bin:$PATH" fi fi unset __conda_setup alias sudo='sudo env PATH=$PATH' # <<< conda init <<< #EOF alias setconda='.anaconda3/bin/activate' # export PYTHON_EXECUTABLE=/usr/bin/python2.7 export LD_LIBRARY_PATH=/usr/lib/aarch64-linux-gnu:$LD_LIBRARY_PATH export PATH=/usr/local/cuda/bin:$PATH export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH source /opt/ros/melodic/setup.bash alias python27='python2.7' # export PYTHONPATH=/usr/local/lib/python2.7/dist-packages:$PYTHONPATH source ~/wheeltec_robot/install/setup.bash --extend (wheeltec) wheeltec@wheeltec:~/wheeltec_robot$ python --version Python 2.7.17 (wheeltec) wheeltec@wheeltec:~/wheeltec_robot$ which python /usr/bin/python 正常是python3.8.13

No VM guests are running outdated hypervisor (qemu) binaries on this host. [1] 14461 Error: unable to open display :1 root@srv771551:~# The XKEYBOARD keymap compiler (xkbcomp) reports: > Warning: Could not resolve keysym XF86CameraAccessEnable > Warning: Could not resolve keysym XF86CameraAccessDisable > Warning: Could not resolve keysym XF86CameraAccessToggle > Warning: Could not resolve keysym XF86NextElement > Warning: Could not resolve keysym XF86PreviousElement > Warning: Could not resolve keysym XF86AutopilotEngageToggle > Warning: Could not resolve keysym XF86MarkWaypoint > Warning: Could not resolve keysym XF86Sos > Warning: Could not resolve keysym XF86NavChart > Warning: Could not resolve keysym XF86FishingChart > Warning: Could not resolve keysym XF86SingleRangeRadar > Warning: Could not resolve keysym XF86DualRangeRadar > Warning: Could not resolve keysym XF86RadarOverlay > Warning: Could not resolve keysym XF86TraditionalSonar > Warning: Could not resolve keysym XF86ClearvuSonar > Warning: Could not resolve keysym XF86SidevuSonar > Warning: Could not resolve keysym XF86NavInfo Errors from xkbcomp are not fatal to the X server # 查看详细的DRM初始 查看详细的DRM初始化日志 sudo dmesg | grep -iE 'drm|i915|amdgpu|nouveau' # 强制重新加载图形模块(以Intel为例) sudo rmmod i915 sudo modprobe i915 debug=1 [ 8.488129] ACPI: bus type drm_connector registered [ 11.694958] systemd[1]: Starting [email protected] - Load Kernel Module drm... rmmod: ERROR: Module i915 is not currently loaded modprobe: FATAL: Module i915 not found in directory /lib/modules/6.8.0-60-generic root@srv771551:~# # 检查物理显示接口状态 sudo apt install edid-decode -y sudo cat /sys/class/drm/card0-DP-1/edid | edid-decode # 检测显示端口热插拔状态 grep -H . /sys/class/drm/*/status Reading package lists... Done Building dependency tree... Done Reading state information... Done The following NEW packages will be installed: edid-decode 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 134 kB of archives. After this operation, 350 kB of additional disk space will be used. Get:1 http://in.archive.ubuntu.com/ubuntu noble/universe amd64 edid-decode amd64 0.1~git20220315.cb74358c2896-1.1 [134 kB] Fetched 134 kB in 1s (126 kB/s) Selecting previously unselected package edid-decode. (Reading database ... 104591 files and directories currently installed.) Preparing to unpack .../edid-decode_0.1~git20220315.cb74358c2896-1.1_amd64.deb ... Unpacking edid-decode (0.1~git20220315.cb74358c2896-1.1) ... Setting up edid-decode (0.1~git20220315.cb74358c2896-1.1) ... Processing triggers for man-db (2.12.0-4build2) ... Scanning processes... Scanning linux images... Running kernel seems to be up-to-date. No services need to be restarted. No containers need to be restarted. No user sessions are running outdated binaries. No VM guests are running outdated hypervisor (qemu) binaries on this host. cat: /sys/class/drm/card0-DP-1/edid: No such file or directory EDID of 'stdin' was empty. grep: /sys/class/drm/*/status: No such file or directory root@srv771551:~# # 使用LLVMpipe软件渲染 sudo apt install mesa-utils -y LIBGL_ALWAYS_SOFTWARE=1 glxinfo | grep "OpenGL renderer" # 验证CPU渲染能力 MESA_GL_VERSION_OVERRIDE=4.5 glxgears Reading package lists... Done Building dependency tree... Done Reading state information... Done mesa-utils is already the newest version (9.0.0-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. OpenGL renderer string: llvmpipe (LLVM 19.1.1, 256 bits) The XKEYBOARD keymap compiler (xkbcomp) reports: > Warning: Could not resolve keysym XF86CameraAccessEnable > Warning: Could not resolve keysym XF86CameraAccessDisable > Warning: Could not resolve keysym XF86CameraAccessToggle > Warning: Could not resolve keysym XF86NextElement > Warning: Could not resolve keysym XF86PreviousElement > Warning: Could not resolve keysym XF86AutopilotEngageToggle > Warning: Could not resolve keysym XF86MarkWaypoint > Warning: Could not resolve keysym XF86Sos > Warning: Could not resolve keysym XF86NavChart > Warning: Could not resolve keysym XF86FishingChart > Warning: Could not resolve keysym XF86SingleRangeRadar > Warning: Could not resolve keysym XF86DualRangeRadar > Warning: Could not resolve keysym XF86RadarOverlay > Warning: Could not resolve keysym XF86TraditionalSonar > Warning: Could not resolve keysym XF86ClearvuSonar > Warning: Could not resolve keysym XF86SidevuSonar > Warning: Could not resolve keysym XF86NavInfo Errors from xkbcomp are not fatal to the X server 6622 frames in 5.0 seconds = 1324.350 FPS 5306 frames in 5.0 seconds = 1061.041 FPS 6476 frames in 5.0 seconds = 1295.068 FPS 7356 frames in 5.0 seconds = 1471.104 FPS 7530 frames in 5.0 seconds = 1505.943 FPS 7202 frames in 5.0 seconds = 1440.160 FPS 6918 frames in 5.0 seconds = 1383.580 FPS 6448 frames in 5.0 seconds = 1289.433 FPS 6896 frames in 5.0 seconds = 1379.091 FPS 7166 frames in 5.0 seconds = 1433.100 FPS 6667 frames in 5.0 seconds = 1333.343 FPS 6502 frames in 5.0 seconds = 1300.314 FPS 6236 frames in 5.0 seconds = 1246.892 FPS 4949 frames in 5.0 seconds = 989.683 FPS 6312 frames in 5.0 seconds = 1262.288 FPS 7286 frames in 5.0 seconds = 1456.947 FPS # 检查内核模块存储路径 sudo find /lib/modules/$(uname -r) -name '*i915*' # 查看模块依赖关系 modinfo i915 | grep -E 'depends|vermagic' # 强制重建模块依赖 sudo depmod -a # 检查黑名单配置 grep -ri 'blacklist i915' /etc/modprobe.d/6583 frames in 5.0 seconds = 1316.576 FPS 6704 frames in 5.0 seconds = 1340.529 FPS 6171 frames in 5.0 seconds = 1234.088 FPS 7279 frames in 5.0 seconds = 1455.553 FPS # 创建自定义键位符号文件 echo 'xkb_symbols "extras" { key <I240> { [ XF86CameraAccessEnable ] }; key <I241> { [ XF86CameraAccessDisable ] }; key <I242> { [ XF86CameraAccessToggle ] }; };' | sudo tee /usr/share/X11/xkb/symbols/custom # 更新XKB配置 sudo sed -i '/xkb_symbols/a include "custom(extras)"' /usr/share/X11/xkb/symbols/inet 7404 frames in 5.0 seconds = 1480.630 FPS 7454 frames in 5.0 seconds = 1490.683 FPS # 生成基础EDID二进制 echo -n -e '\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x04\x72\x00\x00\x01\x00\x00\x00\x01\x1B\x01\x03\x80\x00\x00\x78\x0A\xEE\x91\xA3\x54\x4C\x99\x26\x0F\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x02\x3A\x80\x18\x71\x38\x2D\x40\x58\x2C\x45\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFE\x00\x41\x55\x4F\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFE\x00\x42\x31\x35\x36\x48\x41\x4E\x30\x31\x2E\x30\x00\xBC' | sudo tee /sys/kernel/debug/dri/0/edid_override >/dev/null # 验证EDID注入 sudo cat /sys/kernel/debug/dri/0/edid_override | edid-decode 7467 frames in 5.0 seconds = 1493.334 FPS 7557 frames in 5.0 seconds = 1511.268 FPS # 创建最小化Xorg配置 echo 'Section "ServerFlags" Option "AutoAddGPU" "off" Option "IgnoreABI" "true" EndSection Section "Device" Identifier "DummyCard" Driver "dummy" VideoRam 32768 EndSection Section "Screen" Identifier "DummyScreen" Device "DummyCard" Monitor "DummyMonitor" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1024x768" EndSubSection EndSection Section "Monitor" Identifier "DummyMonitor" HorizSync 28.0-80.0 VertRefresh 48.0-75.0 EndSection' | sudo tee /etc/X11/xorg.conf.d/99-fallback.conf 7125 frames in 5.0 seconds = 1424.958 FPS 5526 frames in 5.0 seconds = 1104.287 FPS #!/bin/bash # render_benchmark.sh export MESA_LOADER_DRIVER_OVERRIDE=llvmpipe export LIBGL_ALWAYS_SOFTWARE=1 echo "===== CPU Rendering Benchmark =====" for i in {1..4}; do taskset -c $i glxgears >/dev/null & pid=$! sleep 5 kill $pid echo "Core $i: $(grep -E 'frames in 5.0' /tmp/bench.log | tail -n1)" done echo -e "\n===== Memory Bandwidth Test =====" sudo apt install mbw -y mbw -n 5 256 | grep AVG 6637 frames in 5.0 seconds = 1327.285 FPS 7355 frames in 5.0 seconds = 1470.954 FPS # 创建systemd调试服务 echo '[Unit] Description=DRM Debugging Service [Service] Type=oneshot ExecStart=/usr/sbin/rmmod i915 ExecStart=/usr/sbin/modprobe i915 debug=1 ExecStart=/usr/bin/tee /sys/kernel/debug/dri/0/i915_engine_info < /dev/null [Install] WantedBy=multi-user.target' | sudo tee /etc/systemd/system/drm-debug.service sudo systemctl daemon-reload sudo systemctl enable drm-debug 7212 frames in 5.0 seconds = 1442.261 FPS 6695 frames in 5.0 seconds = 1338.973 FPS 6488 frames in 5.0 seconds = 1297.479 FPS

#!/bin/bash LOG_FILE="/root/cpu_memory.log" INTERVAL=1 # 采样间隔(秒) echo "=== 系统资源监控开始: $(date) ===" >> "$LOG_FILE" echo "脚本 PID: $$" >> "$LOG_FILE" echo "----------------------------------------" >> "$LOG_FILE" while true; do { echo "时间: $(date)" echo "----------------------------------------" echo "--- 总体 CPU 使用率 ---" top -b -n1 | grep "^%Cpu(s)" echo "--- 每个核心 CPU 使用率 ---" mpstat -P ALL 1 1 | awk ' $2 ~ /^[0-9]+$|^all$/ { printf "CPU%-4s: %5.1f us, %5.1f sy, %5.1f ni, %5.1f id, %5.1f wa, %5.1f hi, %5.1f si, %5.1f st\n", \ $2, $3, $5, $4, $13, $6, $7, $8, $9 }' echo "--- 内存 使用情况 ---" free -h | awk 'NR==1 || /Mem:/ || /Swap:/ { print }' echo "--- 磁盘 使用情况 ---" df -h --output=source,size,used,avail,pcent,target -x tmpfs -x devtmpfs | column -t echo "--- 进程数量 ---" echo "$(ps -e --no-headers | wc -l) 个进程" echo "----------------------------------------" echo "" } >> "$LOG_FILE" sleep "$INTERVAL" done 结果是脚本 PID: 181071 ---------------------------------------- 时间: Fri 20 Jun 2025 03:13:35 AM UTC ---------------------------------------- --- 总体 CPU 使用率 --- %Cpu(s): 0.0 us, 3.1 sy, 0.0 ni, 96.9 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st --- 每个核心 CPU 使用率 --- CPUall : 0.0 us, 0.0 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st CPU0 : 0.0 us, 0.0 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st CPU1 : 0.0 us, 0.0 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st --- 内存 使用情况 --- total used free shared buff/cache available Mem: 7.8Gi 305Mi 3.8Gi 1.0Mi 3.6Gi 7.2Gi Swap: 4.0Gi 0B 4.0Gi --- 磁盘 使用情况 --- Filesystem Size Used Avail Use% Mounted on /dev/mapper/ubuntu--vg-ubuntu--lv 54G 8.0G 44G 16% / /dev/loop0 62M 62M 0 100% /snap/core20/1328 /dev/loop2 68M 68M 0 100% /snap/lxd/21835 /dev/sda2 1.5G 217M 1.2G 16% /boot overlay 54G 8.0G 44G 16% /var/lib/docker/overlay2/00449ce84c06646777197e105cce1ae1bf2c9d73cf96cf02fa40c40cbbbbfd50/merged /dev/loop3 51M 51M 0 100% /snap/snapd/24505 /dev/loop4 92M 92M 0 100% /snap/lxd/32662 /dev/loop1 64M 64M 0 100% /snap/core20/2599 /dev/loop5 51M 51M 0 100% /snap/snapd/24718 --- 进程数量 --- 136 个进程 怎么解决CPU显示为0

这是我的代码该如何修改呢#!/bin/bash # 脚本名称:verbose_package_checker.sh # 配置参数 INPUT_FILE="packages.txt" OUTPUT_CSV="results.csv" FALL_CSV="fall.csv" LOG_DIR="install_logs" VENV_DIR=".check_venv" # 初始化环境 mkdir -p "$LOG_DIR" echo "package,status" > "$OUTPUT_CSV" echo "package" > "$FALL_CSV" # 记录失败的包 # 创建临时处理文件(过滤空行和注释) TMP_FILE=$(mktemp) grep -vE '^[[:space:]]*(#|$)' "$INPUT_FILE" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//' > "$TMP_FILE" # 创建隔离的虚拟环境 python3 -m venv "$VENV_DIR" >/dev/null 2>&1 # 检查虚拟环境是否成功创建 if [[ ! -f "$VENV_DIR/bin/pip" ]]; then echo "错误: 虚拟环境创建失败,找不到 pip 文件。" exit 1 fi VENV_PIP="$VENV_DIR/bin/pip" # 安装进度计数器 TOTAL=$(wc -l < "$TMP_FILE") COUNT=0 echo "📦 开始检查 $TOTAL 个包的安装状态" # 主处理循环 while IFS= read -r PACKAGE || [[ -n "$PACKAGE" ]]; do ((COUNT++)) # 显示实时进度 echo -n "[$COUNT/$TOTAL] 正在处理 ${PACKAGE:0:20}... " # 有效性检查 if [[ -z "$PACKAGE" ]] || [[ "$PACKAGE" =~ [[:space:]] ]]; then echo "$PACKAGE,failure" >> "$OUTPUT_CSV" echo "❌ 无效包名" continue fi # 生成唯一日志文件名,替换非字母数字字符为下划线 LOG_FILE="$LOG_DIR/$(echo "$PACKAGE" | sed 's/[^a-zA-Z0-9]/_/g').log" # 输出当前包的安装日志 echo "正在尝试安装包:$PACKAGE" > "$LOG_FILE" # 执行安装检测并添加异常处理 { timeout 120s "$VENV_PIP" install "$PACKAGE" --no-deps --no-cache-dir --disable-pip-version-check >> "$LOG_FILE" 2>&1 if [[ $? -ne 0 ]]; then echo "❌ 安装失败" echo "错误日志:" >> "$LOG_FILE" tail -n 20 "$LOG_FILE" # 显示最后的20行日志,便于诊断 # 记录失败包名到 fall.csv 文件 echo "$PACKAGE" >> "$FALL_CSV" echo "$PACKAGE,failure" >> "$OUTPUT_CSV" else echo "✅ 安装成功" echo "$PACKAGE,success" >> "$OUTPUT_CSV" fi } || { # 捕获异常 echo "安装包 $PACKAGE 时发生异常: $(cat "$LOG_FILE")" echo "$PACKAGE,failure" >> "$OUTPUT_CSV" echo "$PACKAGE" >> "$FALL_CSV" } done < "$TMP_FILE" # 清理临时文件 rm -f "$TMP_FILE" rm -rf "$VENV_DIR" echo -e "\n💾 检测完成!结果已保存到 $

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