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…
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If you are familiar with Git, you are probably creating a lot of commits everyday for your projects. If you followed our previous articles on writing Git commit messages, you…
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Whether you are an experienced system administrator or just a regular user, you have probably already mounted drives on Linux. Drives can be local to your machine or they can…
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On Linux, the root account is a special user account on Linux that has access to all files, all commands and that can pretty much do anything on a Linux…
