How to view IPv6 IP address and ping it on Linux ?
Let us have a look how to view IPv6 addresses in Linux. For this, we can use the same “ifconfig” command. 1. Viewing IPv6 Address [root@ngelinux ]# ifconfig -a enp0s3:...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Use of shebang #!/bin/bash in Linux shell scripts.
#! is known as shebang sequence. It marks the start of every script in linux. It tells the system what interpreter to use when executing the particular code written in...
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Linux: How to Find files modified in last few minutes or hours or days ?
Today we will see how to find the files which are modified recently on our linux system. We will see the files modified in last few minutes, hour, and days....
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How to increase ext3/ext4 disk partition in Linux, which is not on LVM ?
In this post, we will see how to increase ext filesystem partition in Linux manually when the filesystem is created directly on block device instead of LVM. Increase Partition size...
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RHEL 7 or CentOS 7: How to work with XFS filesystem: Backup/Restore/Create/Extend Operations ?
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...
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Solved: xfs_quota: cannot set limits: Function not implemented.
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...
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RHEL 7 or CentOS 7: How to view file extent information for XFS filesystem ?
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...
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Introduction to Systemd, how to start using systemd in RHEL 7 or Centos 7 ?
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...
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Why journalctl logs disappear after reboot and how to make it permanent ?
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...