XFS stand for Extents File System. XFS was first created by Silicon Graphics INC in 1993. In 2001, its support in included in Linux kernel. Till RHEL 6, we have...
Today we will look solution of an error message below. Solution Usually we use remount option with quota command to enable quota which doesn’t work and generates the error...
In ext2, ext3, or ext4 filesystems, we used the command filefrag. However for xfs filesystem, the filefrag command shows the offset values and the exact file extent values are not...
With introduction or RHEL7 or CentOS 7, we have a new concept introduced known as systemd. Personally i don’t liked the new concept as its a little bit complex to...
By default, Journald logs gets stored in /run/log/journal directory and disappear once the system gets rebooted. I. Default Journald configuration [root@localhost ~]# date Wed Mar 13 10:50:29 PDT 2019 [root@localhost...
I. Introduction to C Groups Control Groups or CGroups were introduced in the Linux kernel by Google starting from 2006 onwards. Control group as its name implies can set a...
Today we will look at an interesting topic how to manage services in CentOS/RHEL 6 and 7. We will look these step by step to understand it better. 1. List...
Today we will look at an interesting topic of alias or aliases in Redhat or Centos Linux. 1. List current aliases. alias and “alias -p” commands are synonym to each...