Top Linux commands that every DevOps professional & student must know

The benefits of using Linux in DevOps are immense due to its compatibility with virtually every programming language, free license, and flexibility in terms of application. With Linux, we can increase operational efficiency through instance creation and allow the entire team to move faster. Infrastructure automation is another field of play where we can successfully apply Linux, which is one more reason why it’s important to learn the application of Linux commands in DevOps.

Retrieving files quickly

As a part of a DevOps team, you need to prepare yourself for teammates rushing in asking for certain files as quickly as possible. To retrieve data from different URLs or online repositories, you can simply use the "curl" command. It's important to include the "-o" option in order to be able to save the file to your computer.

Keep in mind that “curl” is not available with every Linux distribution by default, so you will have to install it if it’s unavailable. Just use the “sudo apt-get install curl” command and you’ll be able to use this “curl” on your Linux.

Writing assistance

There are many students that contact an essay writing service when they need help with writing a complex assignment or simply wish to save time by having someone else write the less challenging portion of the work. Similarly, Linux allows you to create a name for a command or a string of commands and thus spend less time typing commands when there’s an emergency.

The command “alias” (remember it is case sensitive) gives you the chance to attribute a single name for a list of commands or even a single command. You could write “alias cls=clear” which means that the command clear now has a new name.

Dealing with user IDs

A significant portion of DevOps activities is oriented toward user experience improvement and dealing with user issues, which is what makes the “id” command such a powerful tool for Linux users.

Through this command, you can perform numerous actions, including:

• Retrieve Username and real user id.
• Retrieve a specific User’s UID.
• Show the UID and groups the user is associated with.
• Create a list of groups where the user belongs.
• Show the user’s security status

What’s important to know about this command is that it’s most effective when combined with options that allow you to print a specific set of information.

Conclusion

As a member of a DevOps team, it’s important to know Shell scripting and Git commands so you can be as effective as possible. Linux gives you all the necessary resources to help your team develop and operate any project, as long as you work constantly on improving your skills. Our goal was to share some of the most useful Linux commands for DevOps, but it’s up to you to continue your research and get better every day.