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How to increase swap by creating a file in Linux ?

Today in this article, we will see how to increase the swap on our Linux system by creating a flat file on some filesystem. The advantage of creating swap this...

By Saket Jain Published April 29, 2022 Linux/Unix
Solved: Veritas Cluster group is not starting on two nodes as expected.

I. Issue: Veritas group is not starting on two nodes as expected by application support teams. ngeuser1@ngeaix027> hagrp -online NGEL-threadpool_cache_now -any VCS NOTICE V-16-1-50735 Attempting to online group on system...

By Saket Jain Published April 5, 2022 AIX, Linux/Unix
Configure OOM Killer in Linux.

1. OOM Killer Introduction OOM(Out of Memory) killer is a process which is called by our system kernel when linux system memory is critically low to recover some memory/RAM. OOM...

By Saket Jain Published December 1, 2018 Linux/Unix

Vishu on How to create full size one partition using parted command in Linux ?: “Thanks a lot. This was exactly what I was looking for. Other blogs are very confusing but this worked for…” Jul 30, 23:26
cccc on Print only usernames from /etc/passwd file using grep, awk or cut commands.: “love it” Oct 18, 16:13
Saket Jain on How to configure and install Nagios Server on Linux ?: “Please check your system resolv.conf/DNS settings, it looks its not able to resolve the hostname. The URL is correct.” Jul 18, 13:37
deepanshu on How to configure and install Nagios Server on Linux ?: “[root@localhost nagios]# wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.5.tar.gz –2023-07-02 19:15:08– https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.5.tar.gz Resolving assets.nagios.com (assets.nagios.com)… failed: Name or service not known. wget: unable to resolve host…” Jul 3, 08:13
aasdasdKEKEK on Solved: subscription-manager – Not supported by a valid subscription.: “You Genius. How do we “verify if we have enough subscription available on redhat support to add this new server.”” May 27, 18:26

Saket Jain is a GNU/Linux sysadmin from Alwar, Rajasthan, India. He works for a worldwide leading consumer product company and takes great pleasure on working with Linux Internals alongwith using FOSS tools to increase productivity in all areas of his daily work.

Achievements
1. He derived NGEL from Centos.
2. Created delete, undelete and deleteperm command.
3. Has more than 8 Years of experience in Linux/Unix System administration and consultation.
4. Certified Yoga Trainer under Govt. of India.
5. Limca Book of Record Certificate Holder in 2012
6. Author of the book "Unix Administration Quick Guide"
7. ITIL 2011 Foundation Certified, and RHCE Certified under RHEL5,6, and 7.
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