How to Install and Use Sysdig from Linux Command Line?
Last Updated :
05 Oct, 2021
Sysdig is a tool that provides administrators and developers with unparalleled insight into their systems' behavior. The team behind it hopes to enhance system-level monitoring and troubleshooting by providing a centralized, coherent, and granular view of the storage, transmission, network, and memory subsystems, as well as the ability to generate trace files for system operation that can be analyzed at any time. They've also created a filtering language that allows them to dig into data in a natural and interactive way, as well as a large library of Lua scripts called chisels that solve common problems. Consider this program to be a supercharged version of strace, tcpdump, and lsof. In a nutshell, it's a robust performance analysis method for analyzing the state of a system and its activities.
How To Install Sysdig
First, we need to install curl using the below command, if you already have, you can skip this step:
$ sudo apt-get install curl
Installing curl
Now simply run the following command to install sysdig automatically in one stage. After checking all the specifications, the installation script can only install the sysdig package from the Draios APT/YUM repository.
$ curl -s https://s3.amazonaws.com/download.draios.com/stable/install-sysdig | sudo bash
Installing sysdigBasic usage
The most simple example is to run it without any arguments to see a live stream of events from your Linux system:
$ sudo sysdig
Running sysdig without any argumentFiltering
Sysdig's filtering mechanism is robust and adaptable, and it's built to find needles in a haystack. Filters, similar to tcpdump, are defined at the end of the command line and can be applied to both live capture and a capture file. Take, for example, the action of a single command:
$ sudo sysdig proc.name=cat
Use this command to filter
You may use operators like "or" and "and" to combine several arguments. For example, you can capture the activity of both cat and vi at the same time using the below command:
$ sysdig proc.name=cat or proc.name=vi
Combination of arguments
Type: to see a list of system processes:
$ sudo sysdig -c ps
To see a list of system processes
Run the following command to see the system's network connections:
$ sudo sysdig -c netstat
To see the system's network connections
Run the following command to see the top processes ranked by CPU utilization percentage:
$ sudo sysdig -c topprocs_cpu
Top processes ranked by CPU utilization percentage
Sysdig combines the functionality of a number of command-line tools into a single impressive GUI, enabling you to delve deep into your Linux device events to collect data, save it for later review, and even support containers.
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