Tag: tasks

Ansible commands cheatsheet

Ansible Cheatsheet Today we will look at various frequently used Ansible commands that i used to refer everytime. We are connecting to remote users via username “john” 1. Get...

By Saket Jain Published September 3, 2022 Ansible, Linux/Unix
Solved: Why Linux Server rebooted when all LUN paths failed ?

Today in this article, we will see an interesting issue what i faced on one of the production server which got rebooted automatically during a SAN switch replacement activity. ...

By Saket Jain Published July 9, 2021 Linux/Unix
What is hung task and how to panic our RHEL/centos system when a task remains hanged for specific period of time ?

The hung task is detected by linux kernel by parsing processes with uninterruptible sleep state(which are waiting for some event or resource and is usually not going to move forward)...

By Saket Jain Published July 8, 2021 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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