When working with Bash and shell scripting, you might need to use conditions in your script. In programming, conditions are crucial : they are used to assert whether some conditions…
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As a system administrator, you probably know how important environment variables are in Bash. Environment variables are used to define variables that will have an impact on how programs will…
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Chown is a command on Linux that is used in order to change the owner of a set of files or directories. Chown comes with multiple options and it is…
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Pinging ports is one of the most effective troubleshooting technique in order to see if a service is alive or not. Used by system administrators on a daily basis, the…
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As a network administrator, you probably know how costly routers can be. If you are configuring a complex network architecture, you might need Cisco or Netgear routers, as they embed…
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In our previous tutorials, we have seen that implementing LVM volumes can be very beneficial in order to manage space on your host. The Logical Volume Management layer exposes an…
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If you are working in a medium to large company, you are probably interacting on a daily basis with LDAP. Whether this is on a Windows domain controller, or on…
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When working on a project, you are probably managing many different branches in your repository. As the number of branches grow, you may need to work on different tasks in…
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From all the compression methods available, Zip is probably one of the most popular ones. Released in 1989 by Philip Katz, Zip is widely used by system administrators in order…
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On Linux, it can be quite hard to manage storage and filesystems and it often needs a lot of different commands to move data. Traditional storage is usually made of…
