Tag: os

How to enable epel repository on RHEL/CentOS 6.x versions ?

In this post, we will see how to enable EPEL repository on RHEL/CentOS 6.x versions. We will take an example of 6.8 version, similarly you can change your version and...

By Saket Jain Published June 22, 2022 Linux/Unix
Steps to Check and install package on Debian OS.

In this article, we will see how to check and install packages on debian OS. Lets see step by step to understand this. 1. Check for installed packages on...

By Saket Jain Published May 22, 2022 Linux/Unix
NTP Issue: How to solve “Stratum 16 Sources Exist.” ?

In this post, we will see a common NTP error “Stratum 16 sources exist” and its solution how to solve it out. I. Error "Stratum 16 Sources Exist." II....

By Saket Jain Published February 3, 2022 AIX, Linux/Unix
Not able to ping a server from an IBM AIX server – Know how to clear DNS cache.

In this post, we will see how to clear DNS cache on an IBM AIX server. It is useful when sometimes we have any outage with any DNS server, or...

By Saket Jain Published January 3, 2022 AIX
How to clear fmadm faults on Solaris server ?

Today in this post we will check how to clear the faults seen on a Solaris server. In case of any hardware or any major issue with a Solaris server,...

By Saket Jain Published November 25, 2021 Linux/Unix
How to see serial number in IBM AIX OS ?

Today we will look at a small yet very useful command of IBM AIX OS. Do you know how to see the serial number of an IBM AIX OS ?...

By Saket Jain Published June 6, 2021 AIX
Unics or Unix, Solaris, FSF and Linux evolution history.

1. History of Unics or Unix History of Unix starts from the development of MULTICS(Multiplexed Information and Computing Service) when the Massachusetts Institute of Technology, AT&T Bell Labs, and General...

By Saket Jain Published August 3, 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