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Learn, how to configure raw disk as an ASM disk in Linux.

As Linux administrator, we always use chmod command to change file permissions in Linux. It may happens many times in a day, it depends on your environment size and team size. In this tutorial , learn how to change bulk file permissions recursively in Linux.

If you want to figure out how long a process has been running in Linux for some reason; yes, it is possible and can be done with help of ps command.

2DayGeek: sed command allows you to do lot of magic for file manipulation in Linux.

Learn, how to monitor Apache (httpd) web server performance in Linux.

2DayGeek: It's mandatory for Linux admin to understand /etc/shadow file format. If you don't know, check out this article now.

One of an important task for Linux admins to make the system up-to-date. It’s keep your system more stable and avoid unwanted access and attack. Installing a package in Linux is a piece of cake. In the similar way we can update security patches as well. This is a simple tutorial that will show you to configure your system to receive automatic security updates.

This tutorial help you to check when the Linux Operating system was installed on your system.

2DayGeek: This article will help you to upgrade from Linux Mint 19.1 (Tessa) to Linux Mint 19.2 (Tina).

2DayGeek: Learn, what is Reverse DNS (rDNS) and how to check.

Debian 10 “Buster” was released on July 06th 2019, after 25 months of development with lot of new features and updated packages. This article will help you to upgrade from Debian 9 (Stretch) to Debian 10 (Buster).

systemd default parameters allow you to start a service automatically after a crash.

LinuxTechNews: This bash script keeps your services are up and running.

2DayGeek: It's mandatory for Linux admin to understand /etc/passwd file format. If not, check out this article now.

This bash script will trigger an email once in a day with newly created users information.

It helps you to re-check that you have missed any characters or typed any extra characters in password.

The netstat and ss commands allow us to count Apache concurrent connections in Linux.

2DayGeek: Linux admin should understand the /etc/fstab file format, that helps them in many ways.

2DayGeek: Learn, how to use rm (remove) command in Linux

Canonical introduced Live patch Service in Ubuntu 14.04 LTS system. Live patching service allows you to install and apply critical Linux kernel security updates without rebooting your system. You can enable Canonical Live patch in both variants desktop and server, through the command line.