How to Create a User Account Without useradd Command in Linux?
There are three commands are available in Linux to create an user account. Did you ever tried to create a user account in Linux using manual method? I mean to say without using an...
Author: Magesh Maruthamuthu
Bash Script to Monitor Messages Log (Warning, Error and Critical) on Linux
There are many open source monitoring tools are currently available in market to monitor Linux systems performance. It will send an email alert when the system reaches the specified threshold limit. It monitors everything...
How to Manually Install Security Updates on Debian/Ubuntu?
Installing a package in Linux from command line is a simple task. In a single command or combining of multiple commands could make you to complete your task easily. The same can be done...
Bash Script to Monitor Memory Usage on Linux
There are many open source monitoring tools are currently available in market to monitor Linux systems performance. It will send an email alert when the system reaches the specified threshold limit. It monitors everything...
Three Ways to Lock and Unlock User Account in Linux
If password policy had already implemented in your organization, then you no need to look for this options. However, if you had set up lock period for 24 hours, in this case you might...
5 Easy Ways To Free Up Space (Remove Unwanted or Junk Files) on Ubuntu
Most of us may perform this action whenever we fall into out of disk space on system. Most of us may perform this action whenever we are running out of space on Linux system...
How To Verify NTP Setup (Sync) is Working or Not In Linux?
NTP stand for Network Time Protocol, which synchronize the clock between computer systems over the network. NTP server keep all the servers in your organization in-sync with an accurate time to perform time based...
Linux Shell Script To Monitor CPU Utilization And Send Email
There are many opensource monitoring tools are available to monitor Linux systems performance. It will send an email alert when the system reaches the given threshold limit. It monitors everything such as CPU utilization,...
Two Methods To Check Or List Installed Security Updates on Redhat (RHEL) And CentOS System
We had wrote two articles in the past about this topic and each articles were published for different requirements. If you would like to check those articles before getting into this topic. Navigate to...
Four Ways To Install Security Updates On Red Hat (RHEL) And CentOS Systems?
Patching of the Linux server is one of important and routine task of Linux admin. Keeping the system with latest patch level is must. It protects your system against unnecessary attack. There are three...
