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How to delete group in Linux using groupdel command

Posted: 06 May 2020 08:27 PM PDT


{Updated} I am a new Linux system user and sysadmin too. How can I delete a group in Linux operating system using the command line option? How do I remove a group from Linux? Can you tell us command to delete group in Linux?

The post How to delete group in Linux using groupdel command appeared first on nixCraft.

How To Secure Apache with mod_md Let’s Encrypt on Ubuntu 20.04 LTS

Posted: 06 May 2020 02:21 PM PDT

How do I secure Apache with mod_md Let's Encrypt on Ubuntu 20.04 and obtain a free TLS/SSL certificate? How do I secure Apache 2 with Let's Encrypt on Ubuntu 20.04 LTS server?

The post How To Secure Apache with mod_md Let’s Encrypt on Ubuntu 20.04 LTS appeared first on nixCraft.

Regular expressions in grep ( regex ) with examples

Posted: 06 May 2020 11:32 AM PDT


{Updated} The grep command is used to locate information stored anywhere on your server or workstation. Let us see fundamental of regex and how to use regular expressions in the Linux and Unix like systems.

The post Regular expressions in grep ( regex ) with examples appeared first on nixCraft.

How to install man pages on Ubuntu Linux

Posted: 06 May 2020 07:42 AM PDT

I installed the minimal Ubuntu Linux 20.04 LTS cloud server, and now man pages are missing from my image. How do I install man pages on Ubuntu Linux 16.04/18.04/20.04 LTS server?

The post How to install man pages on Ubuntu Linux appeared first on nixCraft.