HacksLinux SysAdmin Notes
How to create a patch file using diff command and how to apply it to an original file or to a whole directory from the Linux command line.
This article shows how to schedule a cron job in Linux, shows the format (syntax) of scheduling jobs in crontab and provides some examples of cron tasks.
Generate large text banners (ASCII Art) from the Linux command line using FIGlet.
Iptables is a built in firewall in most Linux distributions.
Sometimes it is required to stop iptables for troubleshooting the network related problems.
In this article you'll learn how to check the current status of the iptables firewall, and how to disable or enable it in CentOS, RHEL (Red Hat Enterprise Linux), Fedora and similar distributions.
SELinux is an access control tool that is installed and activated by default in such Linux distributions like RHEL (Red Hat Enterprise Linux), CentOS and Fedora.
If you've setup a new system, or installed some new application and it is not working, then you have to check SELinux, because it may be the cause of the problem.
In this article you'll learn how to check the current status of SELinux, how to disable or enable SELinux temporarily or permanently.
Locales are used in Linux to define which language and character set (encoding) the user uses.
In this article I'll show you how to :
This article describes how to log into the remote computer (server) using SSH and run a GUI (graphical) application that requires screen. The GUI program will be displayed on the physical monitor, connected to that remote machine.
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