Remove Old Kernels on RHEL, CentOS, Fedora

This is quick guide howto remove old kernels on Red Hat and it's brothers - Fedora and CentOS. I will also show how to prevent the system from taking up space with old kernels by limiting the number of kernels to be kept to just two. The reason why you

Cron jobs with GUI

Whenever I try to explain using cron to schedule jobs, new Linux users cringe at the thought of touching yet another command line tool. It's a shame, as cron is an incredibly handy tool worth learning and using. Yet, just because you fear the command line, doesn't mean you don't

Files list file missing final newline?

Just today I've encountered a strange problem while performing apt-get upgrade on my Raspberry Pi. Everything went fine, until the package manager made me stop for a while, staring at the screen with: dpkg: unrecoverable fatal error, aborting: files list file for package 'autotools-dev' is missing final newline E: Sub-process

Change default SSH port

The Secure Shell (SSH) Protocol uses port 22 by default. Accepting this value does not make your system insecure, nor will changing the port provide a significant variance in security. However, changing the default SSH port will stop many automated attacks and will make it a bit harder to guess

Midnight Commander - Console Based File Manager for Linux

When you work with a lot of files within console environment, you may find that your job is being quite tedious. You may be familiar with GUI environment File Managers, such as Nautilus, Thunar, or if you're Windows user - File Explorer, Total Commander. Using a file manager on command

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