How to Check and Change the Clock Source in CentOS/RHEL 6,7 and 8
An overview on hardware clock and system timer circuits When it comes to talking about a system’s clock, the hardware sits at the very bottom.
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Kernel Boot Parameters "Hpet=disable" v/S "Nohpet"
Kernel boot parameter HPET (High Precision Event Timer) is used for specifying hardware timer/clock source. HPET is not …
Leap Seconds in Linux
What are leap seconds You can read more than you’ll ever want to know on the web, but I recommend the Unix Leap …
Error: 1040, Too Many Connections (MySQL)
Error 1040 occurs when the number of connected clients has reached the value of the max_connections server variable. …
Script to Collection NTP Information in CentOS/RHEL Server
This script collects information about the configuration and the status of a Linux NTP daemon and all system information …
All About RPM Utility
RPM stands for Redhat Package Manager. It is a utility that is used to install, uninstall, update, query, and verify …
Ansible Installation on Linux
Ansible is an open-source automation platform. It is simple to install. The Ansible software only needs to be installed …
How to Copy Files to Remote Server With Sudo Privileges
Today, I come across a situation where I have to push a file to the remote server’s directory which was owned by user …
How to Remove Duplicate Packages in CentOS/RHEL
Today, I come across a situation where, while patching an RHEL server yum update command got interrupted and started …
Not Able to Delete Files When the Number of Files Is Very Large
When we have to do operations on a huge number of files then find command comes to our rescue. There can be situations …
Automate Linux Patching Using Ansible
Ansible comes with a module named YUM with the help of which the activities of package installation, upgrade, and …