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How to Install and Use Sysdig from Linux Command Line?
  • Last Updated : 20 Apr, 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
How to Install and Use Sysdig from Linux Command Line

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
How to Install and Use Sysdig from Linux Command Line

Installing sysdig

Basic 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
How to Install and Use Sysdig from Linux Command Line

Running sysdig without any argument

Filtering

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
How to Install and Use Sysdig from Linux Command Line

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
How to Install and Use Sysdig from Linux Command Line

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
How to Install and Use Sysdig from Linux Command Line

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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