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● postgresql-10.service - PostgreSQL 10 database server Loaded: loaded (/usr/lib/systemd/system/postgresql-10.service; disabled; vendor preset: disabled) Active: failed (Result: exit-code) since Wed 2025-07-30 14:05:42 CST; 11s ago Process: 661815 ExecStart=/opt/PostgreSQL/10/bin/pg_ctl start -w -D /opt/PostgreSQL/10/data -l /opt/PostgreSQL/10/data/log/startup.log (code=exited, status=203/EXEC) Jul 30 14:05:42 Sonarcube_DEV systemd[1]: Starting PostgreSQL 10 database server... Jul 30 14:05:42 Sonarcube_DEV systemd[1]: postgresql-10.service: Control process exited, code=exited status=203 Jul 30 14:05:42 Sonarcube_DEV systemd[1]: postgresql-10.service: Failed with result 'exit-code'. Jul 30 14:05:42 Sonarcube_DEV systemd[1]: Failed to start PostgreSQL 10 database server.

时间: 2025-07-30 14:15:12 浏览: 19
<think>根据用户提供的错误信息,PostgreSQL 10服务启动失败,错误信息显示为“exit-code”和“status=203/EXEC”。这通常与执行权限或路径配置问题有关。以下是解决步骤: 1. **检查可执行文件权限**: - 确保`pg_ctl`文件具有可执行权限。使用命令: ```bash ls -l /opt/PostgreSQL/10/bin/pg_ctl ``` 如果权限不足,运行: ```bash chmod +x /opt/PostgreSQL/10/bin/pg_ctl ``` 2. **检查启动命令路径**: - 在服务文件`/usr/lib/systemd/system/postgresql-10.service`中,确认`ExecStart`的路径是否正确。例如: ``` ExecStart=/opt/PostgreSQL/10/bin/pg_ctl start -w -D /opt/PostgreSQL/10/data -l /opt/PostgreSQL/10/data/log/startup.log ``` 确保路径`/opt/PostgreSQL/10/bin/pg_ctl`存在。 3. **检查数据目录权限**: - PostgreSQL用户(通常是`postgres`)必须对数据目录`/opt/PostgreSQL/10/data`有读写权限。使用: ```bash chown -R postgres:postgres /opt/PostgreSQL/10/data chmod 700 /opt/PostgreSQL/10/data ``` 4. **检查日志文件路径**: - 确保日志目录`/opt/PostgreSQL/10/data/log`存在,且PostgreSQL用户有权写入。若不存在,创建并授权: ```bash mkdir -p /opt/PostgreSQL/10/data/log chown postgres:postgres /opt/PostgreSQL/10/data/log ``` 5. **手动启动测试**: - 切换到`postgres`用户,手动启动数据库: ```bash su - postgres /opt/PostgreSQL/10/bin/pg_ctl start -D /opt/PostgreSQL/10/data -l /opt/PostgreSQL/10/data/log/startup.log ``` 观察输出或日志文件中的具体错误。 6. **重新加载systemd并启动服务**: - 修复后,重新加载systemd配置: ```bash systemctl daemon-reload systemctl start postgresql-10 ``` 完成以上步骤后,检查服务状态:`systemctl status postgresql-10`。 §§相关问题§§ 1. 如何修改PostgreSQL的systemd服务文件以解决路径或权限问题? 2. 当PostgreSQL启动失败时,如何通过日志文件(如startup.log)定位具体错误? 3. 在Linux系统中,如何为PostgreSQL服务设置正确的用户和目录权限? 4. 如果手动启动PostgreSQL成功但systemd启动失败,可能的原因有哪些?</think>根据您提供的PostgreSQL 10服务启动失败的错误信息,关键问题在于: 1. 服务状态显示`failed (Result: exit-code)` 2. 具体报错:`status=203/EXEC` 3. 日志显示`Control process exited`和`Failed to start` ### 解决方案步骤: 1. **检查可执行文件权限**(最常见原因): ```bash ls -l /opt/PostgreSQL/10/bin/pg_ctl ``` - 若无执行权限(缺少`x`),运行: ```bash chmod +x /opt/PostgreSQL/10/bin/pg_ctl ``` 2. **验证服务文件配置**: ```bash cat /usr/lib/systemd/system/postgresql-10.service ``` - 确认`ExecStart`路径正确(应为`/opt/PostgreSQL/10/bin/pg_ctl`) - 检查`WorkingDirectory`是否指向有效目录 3. **修复SELinux环境问题**(若启用): ```bash sestatus # 查看SELinux状态 restorecon -Rv /opt/PostgreSQL/10/bin/ # 重置安全上下文 ``` 4. **手动测试启动命令**: ```bash sudo -u postgres /opt/PostgreSQL/10/bin/pg_ctl start -D /opt/PostgreSQL/10/data ``` - 观察终端直接输出的错误信息 5. **检查数据目录权限**: ```bash chown -R postgres:postgres /opt/PostgreSQL/10/data chmod 700 /opt/PostgreSQL/10/data ``` 6. **重新加载服务配置**: ```bash systemctl daemon-reload systemctl start postgresql-10 ``` ### 关键注意事项: - 错误`203/EXEC`通常表示: ✓ 二进制文件路径错误 ✓ 缺少执行权限 ✓ 动态链接库缺失(用`ldd /opt/PostgreSQL/10/bin/pg_ctl`检查) - 日志文件`/opt/PostgreSQL/10/data/log/startup.log`可能包含更详细的错误原因
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[admin@localhost zabbix]$ sudo systemctl status zabbix-server.service ● zabbix-server.service - Zabbix Server Loaded: loaded (/usr/lib/systemd/system/zabbix-server.service; enabled; vendor preset: disabled) Active: activating (auto-restart) (Result: exit-code) since 日 2025-06-15 13:06:57 CST; 9s ago Process: 56683 ExecStop=/bin/kill -SIGTERM $MAINPID (code=exited, status=1/FAILURE) Process: 56625 ExecStart=/usr/sbin/zabbix_server -c $CONFFILE (code=exited, status=0/SUCCESS) Main PID: 56627 (code=exited, status=0/SUCCESS) 6月 15 13:06:57 localhost.localdomain kill[56683]: -s, --signal <信号> 发送指定的信号 6月 15 13:06:57 localhost.localdomain kill[56683]: -q, --queue <信号> 使用 sigqueue(2) 代替 kill(2) 6月 15 13:06:57 localhost.localdomain kill[56683]: -p, --pid 打印 pid 而不向它们发送信号 6月 15 13:06:57 localhost.localdomain kill[56683]: -l, --list [=<信号>] 列出信号名,或将一个信号转换为名称 6月 15 13:06:57 localhost.localdomain kill[56683]: -L, --table 列出信号名和数值 6月 15 13:06:57 localhost.localdomain kill[56683]: -h, --help 显示此帮助并退出 6月 15 13:06:57 localhost.localdomain kill[56683]: -V, --version 输出版本信息并退出 6月 15 13:06:57 localhost.localdomain kill[56683]: 更多信息请参阅 kill(1)。 6月 15 13:06:57 localhost.localdomain systemd[1]: Unit zabbix-server.service entered failed state. 6月 15 13:06:57 localhost.localdomain systemd[1]: zabbix-server.service failed. Hint: Some lines were ellipsized, use -l to show in full. [admin@localhost zabbix]$ journalctl -xe -u zabbix-server --since "5 minutes ago" -- Unit zabbix-server.service has begun starting up. 6月 15 13:07:08 localhost.localdomain systemd[1]: zabbix-server.service: Supervising process 56692 which is not our child. 6月 15 13:07:08 localhost.localdomain systemd[1]: Started Zabbix Server. -- Subject: Unit zabbix-server.service has finished start-up -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit zabbix-server.service has finished starting up. -- -- The start-up result is done. 6月 15 13:07:10 localhost.localdomain kill[56749]: 用法: 6月 15 13:07:10 localhost.localdomain systemd[1]: zabbix-server.service: control process exited, code=exited status=1 6月 15 13:07:10 localhost.localdomain kill[56749]: kill [选项] [...] 6月 15 13:07:10 localhost.localdomain kill[56749]: 选项: 6月 15 13:07:10 localhost.localdomain kill[56749]: -a, --all 不限于只对和当前进程的用户 id 相同的进程进行 6月 15 13:07:10 localhost.localdomain kill[56749]: 名称-进程id 转换 6月 15 13:07:10 localhost.localdomain kill[56749]: -s, --signal <信号> 发送指定的信号 6月 15 13:07:10 localhost.localdomain kill[56749]: -q, --queue <信号> 使用 sigqueue(2) 代替 kill(2) 6月 15 13:07:10 localhost.localdomain kill[56749]: -p, --pid 打印 pid 而不向它们发送信号 6月 15 13:07:10 localhost.localdomain kill[56749]: -l, --list [=<信号>] 列出信号名,或将一个信号转换为名称 6月 15 13:07:10 localhost.localdomain kill[56749]: -L, --table 列出信号名和数值 6月 15 13:07:10 localhost.localdomain kill[56749]: -h, --help 显示此帮助并退出 6月 15 13:07:10 localhost.localdomain kill[56749]: -V, --version 输出版本信息并退出 6月 15 13:07:10 localhost.localdomain kill[56749]: 更多信息请参阅 kill(1)。 6月 15 13:07:10 localhost.localdomain systemd[1]: Unit zabbix-server.service entered failed state. 6月 15 13:07:10 localhost.localdomain systemd[1]: zabbix-server.service failed. [admin@localhost zabbix]$ sudo tail -50 /var/log/zabbix/zabbix_server.log 56847:20250615:130732.639 7f88c4236000-7f88c4436000 ---p 000ee000 fd:00 37986642 /usr/lib64/libOpenIPMI.so.0.0.5 56847:20250615:130732.639 7f88c4436000-7f88c444e000 r--p 000ee000 fd:00 37986642 /usr/lib64/libOpenIPMI.so.0.0.5 56847:20250615:130732.639 7f88c444e000-7f88c4453000 rw-p 00106000 fd:00 37986642 /usr/lib64/libOpenIPMI.so.0.0.5 56847:20250615:130732.639 7f88c4453000-7f88c4457000 rw-p 00000000 00:00 0 56847:20250615:130732.639 7f88c4457000-7f88c4482000 r-xp 00000000 fd:00 34355604 /usr/lib64/libssh2.so.1.0.1 56847:20250615:130732.639 7f88c4482000-7f88c4682000 ---p 0002b000 fd:00 34355604 /usr/lib64/libssh2.so.1.0.1 56847:20250615:130732.639 7f88c4682000-7f88c4683000 r--p 0002b000 fd:00 34355604 /usr/lib64/libssh2.so.1.0.1 56847:20250615:130732.639 7f88c4683000-7f88c4684000 rw-p 0002c000 fd:00 34355604 /usr/lib64/libssh2.so.1.0.1 56847:20250615:130732.639 7f88c4684000-7f88c474c000 r-xp 00000000 fd:00 34414752 /usr/lib64/libnetsnmp.so.31.0.2 56847:20250615:130732.639 7f88c474c000-7f88c494c000 ---p 000c8000 fd:00 34414752 /usr/lib64/libnetsnmp.so.31.0.2 56847:20250615:130732.639 7f88c494c000-7f88c494f000 r--p 000c8000 fd:00 34414752 /usr/lib64/libnetsnmp.so.31.0.2 56847:20250615:130732.640 7f88c494f000-7f88c4951000 rw-p 000cb000 fd:00 34414752 /usr/lib64/libnetsnmp.so.31.0.2 56847:20250615:130732.640 7f88c4951000-7f88c4987000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c4987000-7f88c49e7000 r-xp 00000000 fd:00 37986670 /usr/lib64/libodbc.so.2.0.0 56847:20250615:130732.640 7f88c49e7000-7f88c4be6000 ---p 00060000 fd:00 37986670 /usr/lib64/libodbc.so.2.0.0 56847:20250615:130732.640 7f88c4be6000-7f88c4be7000 r--p 0005f000 fd:00 37986670 /usr/lib64/libodbc.so.2.0.0 56847:20250615:130732.640 7f88c4be7000-7f88c4bee000 rw-p 00060000 fd:00 37986670 /usr/lib64/libodbc.so.2.0.0 56847:20250615:130732.640 7f88c4bee000-7f88c4bef000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c4bef000-7f88c4d4e000 r-xp 00000000 fd:00 33725161 /usr/lib64/libxml2.so.2.9.1 56847:20250615:130732.640 7f88c4d4e000-7f88c4f4d000 ---p 0015f000 fd:00 33725161 /usr/lib64/libxml2.so.2.9.1 56847:20250615:130732.640 7f88c4f4d000-7f88c4f55000 r--p 0015e000 fd:00 33725161 /usr/lib64/libxml2.so.2.9.1 56847:20250615:130732.640 7f88c4f55000-7f88c4f57000 rw-p 00166000 fd:00 33725161 /usr/lib64/libxml2.so.2.9.1 56847:20250615:130732.640 7f88c4f57000-7f88c4f59000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c4f59000-7f88c4f66000 r-xp 00000000 fd:00 37986962 /usr/lib64/libiksemel.so.3.1.1 56847:20250615:130732.640 7f88c4f66000-7f88c5165000 ---p 0000d000 fd:00 37986962 /usr/lib64/libiksemel.so.3.1.1 56847:20250615:130732.640 7f88c5165000-7f88c5166000 r--p 0000c000 fd:00 37986962 /usr/lib64/libiksemel.so.3.1.1 56847:20250615:130732.640 7f88c5166000-7f88c5167000 rw-p 0000d000 fd:00 37986962 /usr/lib64/libiksemel.so.3.1.1 56847:20250615:130732.640 7f88c5167000-7f88c5445000 r-xp 00000000 fd:00 67919716 /usr/lib64/mysql/libmysqlclient.so.18.0.0 56847:20250615:130732.640 7f88c5445000-7f88c5644000 ---p 002de000 fd:00 67919716 /usr/lib64/mysql/libmysqlclient.so.18.0.0 56847:20250615:130732.640 7f88c5644000-7f88c564d000 r--p 002dd000 fd:00 67919716 /usr/lib64/mysql/libmysqlclient.so.18.0.0 56847:20250615:130732.640 7f88c564d000-7f88c5661000 rw-p 002e6000 fd:00 67919716 /usr/lib64/mysql/libmysqlclient.so.18.0.0 56847:20250615:130732.640 7f88c5661000-7f88c5667000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c5667000-7f88c5689000 r-xp 00000000 fd:00 33653622 /usr/lib64/ld-2.17.so 56847:20250615:130732.640 7f88c5721000-7f88c5855000 rw-s 00000000 00:04 426019 /SYSV730063a0 (deleted) 56847:20250615:130732.640 7f88c5855000-7f88c5871000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c5883000-7f88c5884000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c5884000-7f88c5886000 rw-s 00000000 00:04 426020 /SYSV530063a0 (deleted) 56847:20250615:130732.640 7f88c5886000-7f88c5887000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c5887000-7f88c5888000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7f88c5888000-7f88c5889000 r--p 00021000 fd:00 33653622 /usr/lib64/ld-2.17.so 56847:20250615:130732.640 7f88c5889000-7f88c588a000 rw-p 00022000 fd:00 33653622 /usr/lib64/ld-2.17.so 56847:20250615:130732.640 7f88c588a000-7f88c588b000 rw-p 00000000 00:00 0 56847:20250615:130732.640 7ffe74bba000-7ffe74bdb000 rw-p 00000000 00:00 0 [stack] 56847:20250615:130732.640 7ffe74bea000-7ffe74bec000 r-xp 00000000 00:00 0 [vdso] 56847:20250615:130732.640 ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] 56847:20250615:130732.640 ================================ 56847:20250615:130732.640 Please consider attaching a disassembly listing to your bug report. 56847:20250615:130732.640 This listing can be produced with, e.g., objdump -DSswx zabbix_server. 56847:20250615:130732.640 ================================ 56827:20250615:130732.642 One child process died (PID:56847,exitcode/signal:1). Exiting ... [admin@localhost zabbix]$

"Control-agent": { "http-host": "localhost", "http-port": 8000 }, "Dhcp4": { "interfaces-config": { "interfaces": [ "enp3s0f0" ] }, "control-socket": { "socket-type": "unix", "socket-name": "/path/to/kea4-ctrl-socket" }, } "Dhcp4": { // Add names of your network interfaces to listen on. "interfaces-config": { // See section 8.2.4 for more details. You probably want to add just // interface name (e.g. "eth0" or specific IPv4 address on that // interface name (e.g. "eth0/192.0.2.1"). "interfaces": ["enp3s0f1/192.168.100.1"] // Kea DHCPv4 server by default listens using raw sockets. This ensures // all packets, including those sent by directly connected clients // that don't have IPv4 address yet, are received. However, if your // traffic is always relayed, it is often better to use regular // UDP sockets. If you want to do that, uncomment this line: // "dhcp-socket-type": "udp" }, // Kea supports control channel, which is a way to receive management // commands while the server is running. This is a Unix domain socket that // receives commands formatted in JSON, e.g. config-set (which sets new // configuration), config-reload (which tells Kea to reload its // configuration from file), statistic-get (to retrieve statistics) and many // more. For detailed description, see Sections 8.8, 16 and 15. "control-socket": { "socket-type": "unix", "socket-name": "kea4-ctrl-socket" }, // Use Memfile lease database backend to store leases in a CSV file. // Depending on how Kea was compiled, it may also support SQL databases // (MySQL and/or PostgreSQL). Those database backends require more // parameters, like name, host and possibly user and password. // There are dedicated examples for each backend. See Section 7.2.2 "Lease // Storage" for details. "lease-database": { // Memfile is the simplest and easiest backend to use. It's an in-memory // C++ database that stores its state in CSV file. "type": "memfile", "lfc-interval": 3600 }, // Kea allows storing host reservations in a database. If your network is // small or you have few reservations, it's probably easier to keep them // in the configuration file. If your network is large, it's usually better // to use database for it. To enable it, uncomment the following: // "hosts-database": { // "type": "mysql", // "name": "kea", // "user": "kea", // "password": "1234", // "host": "localhost", // "port": 3306 // }, // See Section 7.2.3 "Hosts storage" for details. // Setup reclamation of the expired leases and leases affinity. // Expired leases will be reclaimed every 10 seconds. Every 25 // seconds reclaimed leases, which have expired more than 3600 // seconds ago, will be removed. The limits for leases reclamation // are 100 leases or 250 ms for a single cycle. A warning message // will be logged if there are still expired leases in the // database after 5 consecutive reclamation cycles. // If both "flush-reclaimed-timer-wait-time" and "hold-reclaimed-time" are // not 0, when the client sends a release message the lease is expired // instead of being deleted from the lease storage. "expired-leases-processing": { "reclaim-timer-wait-time": 10, "flush-reclaimed-timer-wait-time": 25, "hold-reclaimed-time": 3600, "max-reclaim-leases": 100, "max-reclaim-time": 250, "unwarned-reclaim-cycles": 5 }, // Global timers specified here apply to all subnets, unless there are // subnet specific values defined in particular subnets. "renew-timer": 900, "rebind-timer": 60, "valid-lifetime": 3600, // Many additional parameters can be specified here: // - option definitions (if you want to define vendor options, your own // custom options or perhaps handle standard options // that Kea does not support out of the box yet) // - client classes // - hooks // - ddns information (how the DHCPv4 component can reach a DDNS daemon) // // Some of them have examples below, but there are other parameters. // Consult Kea User's Guide to find out about them. // These are global options. They are going to be sent when a client // requests them, unless overwritten with values in more specific scopes. // The scope hierarchy is: // - global (most generic, can be overwritten by class, subnet or host) // - class (can be overwritten by subnet or host) // - subnet (can be overwritten by host) // - host (most specific, overwrites any other scopes) // // Not all of those options make sense. Please configure only those that // are actually useful in your network. // // For a complete list of options currently supported by Kea, see // Section 7.2.8 "Standard DHCPv4 Options". Kea also supports // vendor options (see Section 7.2.10) and allows users to define their // own custom options (see Section 7.2.9). "option-data": [ // When specifying options, you typically need to specify // one of (name or code) and data. The full option specification // covers name, code, space, csv-format and data. // space defaults to "dhcp4" which is usually correct, unless you // use encapsulate options. csv-format defaults to "true", so // this is also correct, unless you want to specify the whole // option value as long hex string. For example, to specify // domain-name-servers you could do this: // { // "name": "domain-name-servers", // "code": 6, // "csv-format": "true", // "space": "dhcp4", // "data": "192.0.2.1, 192.0.2.2" // } // but it's a lot of writing, so it's easier to do this instead: { "name": "domain-name-servers", "data": "192.0.2.1, 192.0.2.2" }, // Typically people prefer to refer to options by their names, so they // don't need to remember the code names. However, some people like // to use numerical values. For example, option "domain-name" uses // option code 15, so you can reference to it either by // "name": "domain-name" or "code": 15. { "code": 15, "data": "example.org" }, // Domain search is also a popular option. It tells the client to // attempt to resolve names within those specified domains. For // example, name "foo" would be attempted to be resolved as // foo.mydomain.example.com and if it fails, then as foo.example.com { "name": "domain-search", "data": "mydomain.example.com, example.com" }, // String options that have a comma in their values need to have // it escaped (i.e. each comma is preceded by two backslashes). // That's because commas are reserved for separating fields in // compound options. At the same time, we need to be conformant // with JSON spec, that does not allow "\,". Therefore the // slightly uncommon double backslashes notation is needed. // Legal JSON escapes are \ followed by "\/bfnrt character // or \u followed by 4 hexadecimal numbers (currently Kea // supports only \u0000 to \u00ff code points). // CSV processing translates '\\' into '\' and '\,' into ',' // only so for instance '\x' is translated into '\x'. But // as it works on a JSON string value each of these '\' // characters must be doubled on JSON input. { "name": "boot-file-name", "data": "EST5EDT4\\,M3.2.0/02:00\\,M11.1.0/02:00" }, // Options that take integer values can either be specified in // dec or hex format. Hex format could be either plain (e.g. abcd) // or prefixed with 0x (e.g. 0xabcd). { "name": "default-ip-ttl", "data": "0xf0" } // Note that Kea provides some of the options on its own. In particular, // it sends IP Address lease type (code 51, based on valid-lifetime // parameter, Subnet mask (code 1, based on subnet definition), Renewal // time (code 58, based on renew-timer parameter), Rebind time (code 59, // based on rebind-timer parameter). ], // Other global parameters that can be defined here are option definitions // (this is useful if you want to use vendor options, your own custom // options or perhaps handle options that Kea does not handle out of the box // yet). // You can also define classes. If classes are defined, incoming packets // may be assigned to specific classes. A client class can represent any // group of devices that share some common characteristic, e.g. Windows // devices, iphones, broken printers that require special options, etc. // Based on the class information, you can then allow or reject clients // to use certain subnets, add special options for them or change values // of some fixed fields. "client-classes": [ { // This specifies a name of this class. It's useful if you need to // reference this class. "name": "voip", // This is a test. It is an expression that is being evaluated on // each incoming packet. It is supposed to evaluate to either // true or false. If it's true, the packet is added to specified // class. See Section 12 for a list of available expressions. There // are several dozens. Section 8.2.14 for more details for DHCPv4 // classification and Section 9.2.19 for DHCPv6. "test": "substring(option[60].hex,0,6) == 'Aastra'", // If a client belongs to this class, you can define extra behavior. // For example, certain fields in DHCPv4 packet will be set to // certain values. "next-server": "192.0.2.254", "server-hostname": "hal9000", "boot-file-name": "/dev/null" // You can also define option values here if you want devices from // this class to receive special options. } ], // Another thing possible here are hooks. Kea supports a powerful mechanism // that allows loading external libraries that can extract information and // even influence how the server processes packets. Those libraries include // additional forensic logging capabilities, ability to reserve hosts in // more flexible ways, and even add extra commands. For a list of available // hook libraries, see https://gitlab.isc.org/isc-projects/kea/wikis/Hooks-available. "hooks-libraries":[ { "library": "/usr/local/lib64/kea/hooks/libdhcp_macauth.so", "parameters": { "server_ip": "10.10.10.1", "ac_ip": "10.10.10.102", "port": 5001, "shared_secret": "7a5b8c3e9f" } }, { "library": "/usr/local/lib64/kea/hooks/libdhcp_lease_cmds.so" } //{ // "library": "/usr/local/lib64/kea/hooks/libdhcp_lease_query.so" // } ], // "hooks-libraries": [ // { // // Forensic Logging library generates forensic type of audit trail // // of all devices serviced by Kea, including their identifiers // // (like MAC address), their location in the network, times // // when they were active etc. // "library": "/usr/local/lib64/kea/hooks/libdhcp_legal_log.so", // "parameters": { // "base-name": "kea-forensic4" // } // }, // { // // Flexible identifier (flex-id). Kea software provides a way to // // handle host reservations that include addresses, prefixes, // // options, client classes and other features. The reservation can // // be based on hardware address, DUID, circuit-id or client-id in // // DHCPv4 and using hardware address or DUID in DHCPv6. However, // // there are sometimes scenario where the reservation is more // // complex, e.g. uses other options that mentioned above, uses part // // of specific options or perhaps even a combination of several // // options and fields to uniquely identify a client. Those scenarios // // are addressed by the Flexible Identifiers hook application. // "library": "/usr/local/lib64/kea/hooks/libdhcp_flex_id.so", // "parameters": { // "identifier-expression": "relay4[2].hex" // } // }, // { // // the MySQL host backend hook library required for host storage. // "library": "/usr/local/lib64/kea/hooks/libdhcp_mysql.so" // } // ], // Below an example of a simple IPv4 subnet declaration. Uncomment to enable // it. This is a list, denoted with [ ], of structures, each denoted with // { }. Each structure describes a single subnet and may have several // parameters. One of those parameters is "pools" that is also a list of // structures. "subnet4": [ { // This defines the whole subnet. Kea will use this information to // determine where the clients are connected. This is the whole // subnet in your network. // Subnet identifier should be unique for each subnet. "id": 1, // This is mandatory parameter for each subnet. "subnet": "192.168.30.0/24", // Pools define the actual part of your subnet that is governed // by Kea. Technically this is optional parameter, but it's // almost always needed for DHCP to do its job. If you omit it, // clients won't be able to get addresses, unless there are // host reservations defined for them. "pools": [ { "pool": "192.168.30.10 - 192.168.30.200" } ], // This is one of the subnet selectors. Uncomment the "interface" // parameter and specify the appropriate interface name if the DHCPv4 // server will receive requests from local clients (connected to the // same subnet as the server). This subnet will be selected for the // requests received by the server over the specified interface. // This rule applies to the DORA exchanges and rebinding clients. // Renewing clients unicast their messages, and the renewed addresses // are used by the server to determine the subnet they belong to. // When this parameter is used, the "relay" parameter is typically // unused. // "interface": "eth0", // This is another subnet selector. Uncomment the "relay" parameter // and specify a list of the relay addresses. The server will select // this subnet for lease assignments when it receives queries over one // of these relays. When this parameter is used, the "interface" parameter // is typically unused. // "relay": { // "ip-addresses": [ "10.0.0.1" ] // }, // These are options that are subnet specific. In most cases, // you need to define at least routers option, as without this // option your clients will not be able to reach their default // gateway and will not have Internet connectivity. "option-data": [ { // For each IPv4 subnet you most likely need to specify at // least one router. "name": "routers", "data": "192.0.2.1" } ], // Kea offers host reservations mechanism. Kea supports reservations // by several different types of identifiers: hw-address // (hardware/MAC address of the client), duid (DUID inserted by the // client), client-id (client identifier inserted by the client) and // circuit-id (circuit identifier inserted by the relay agent). // // Kea also support flexible identifier (flex-id), which lets you // specify an expression that is evaluated for each incoming packet. // Resulting value is then used for as an identifier. // // Note that reservations are subnet-specific in Kea. This is // different than ISC DHCP. Keep that in mind when migrating // your configurations. "reservations": [ // This is a reservation for a specific hardware/MAC address. // It's a rather simple reservation: just an address and nothing // else. // { // "hw-address": "1a:1b:1c:1d:1e:1f", // "ip-address": "192.0.2.201" // }, // This is a reservation for a specific client-id. It also shows // the this client will get a reserved hostname. A hostname can // be defined for any identifier type, not just client-id. { "client-id": "01:11:22:33:44:55:66", "ip-address": "192.168.30.202", "hostname": "special-snowflake" }, // The third reservation is based on DUID. This reservation defines // a special option values for this particular client. If the // domain-name-servers option would have been defined on a global, // subnet or class level, the host specific values take preference. { "duid": "01:02:03:04:05", "ip-address": "192.168.30.203", "option-data": [ { "name": "domain-name-servers", "data": "10.1.1.202, 10.1.1.203" } ] }, // The fourth reservation is based on circuit-id. This is an option // inserted by the relay agent that forwards the packet from client // to the server. In this example the host is also assigned vendor // specific options. // // When using reservations, it is useful to configure // reservations-global, reservations-in-subnet, // reservations-out-of-pool (subnet specific parameters) // and host-reservation-identifiers (global parameter). { "client-id": "01:12:23:34:45:56:67", "ip-address": "192.168.30.204", "option-data": [ { "name": "vivso-suboptions", "data": "4491" }, { "name": "tftp-servers", "space": "vendor-4491", "data": "10.1.1.202, 10.1.1.203" } ] }, // This reservation is for a client that needs specific DHCPv4 // fields to be set. Three supported fields are next-server, // server-hostname and boot-file-name { "client-id": "01:0a:0b:0c:0d:0e:0f", "ip-address": "192.168.30.205", "next-server": "192.168.30.1", "server-hostname": "hal9000", "boot-file-name": "/dev/null" }, // This reservation is using flexible identifier. Instead of // relying on specific field, sysadmin can define an expression // similar to what is used for client classification, // e.g. substring(relay[0].option[17],0,6). Then, based on the // value of that expression for incoming packet, the reservation // is matched. Expression can be specified either as hex or // plain text using single quotes. // // Note: flexible identifier requires flex_id hook library to be // loaded to work. { "flex-id": "'s0mEVaLue'", "ip-address": "192.168.30.206" } // You can add more reservations here. ] // You can add more subnets there. }, { "subnet": "192.168.100.0/24", "id":100, "pools": [ { "pool": "192.168.100.100 - 192.168.100.200" } ], "option-data": [ { "name": "routers", "data": "192.168.100.2" }, { "name": "domain-name-servers", "data": "8.8.8.8, 8.8.4.4" } ] }, { "subnet": "192.168.10.0/24", "id":10, "pools": [ { "pool": "192.168.10.100 - 192.168.10.200" } ], "relay": { "ip-addresses": ["192.168.10.1"] }, "option-data": [ { "name": "routers", "data": "192.168.10.1" }, { "name": "domain-name-servers", "data": "114.114.114.114,8.8.8.8" } ] }, { "id":20, "subnet": "192.168.20.0/24", "pools": [ { "pool": "192.168.20.100 - 192.168.20.200" } ], "relay": { "ip-addresses": ["192.168.20.1"] }, "option-data": [ { "name": "routers", "data": "192.168.20.1" }, { "name": "domain-name-servers", "data": "114.114.114.114, 8.8.4.4" } ] } ], // There are many, many more parameters that DHCPv4 server is able to use. // They were not added here to not overwhelm people with too much // information at once. // Logging configuration starts here. Kea uses different loggers to log various // activities. For details (e.g. names of loggers), see Chapter 18. "loggers": [ { // This section affects kea-dhcp4, which is the base logger for DHCPv4 // component. It tells DHCPv4 server to write all log messages (on // severity INFO or more) to a file. "name": "kea-dhcp4", "output-options": [ { // Specifies the output file. There are several special values // supported: // - stdout (prints on standard output) // - stderr (prints on standard error) // - syslog (logs to syslog) // - syslog:name (logs to syslog using specified name) // Any other value is considered a name of the file "output": "kea-dhcp4.log" // Shorter log pattern suitable for use with systemd, // avoids redundant information // "pattern": "%-5p %m\n", // This governs whether the log output is flushed to disk after // every write. // "flush": false, // This specifies the maximum size of the file before it is // rotated. // "maxsize": 1048576, // This specifies the maximum number of rotated files to keep. // "maxver": 8 } ], // This specifies the severity of log messages to keep. Supported values // are: FATAL, ERROR, WARN, INFO, DEBUG "severity": "INFO", // If DEBUG level is specified, this value is used. 0 is least verbose, // 99 is most verbose. Be cautious, Kea can generate lots and lots // of logs if told to do so. "debuglevel": 0 } ] } } 查看以上代码判断其是否有错误点并纠正过来

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