How to Remove (Delete) Symbolic Links in Linux
You may have the opportunity to create or remove symbolic links on Linux. If yes, do you know how to do it? Have you already done that? Are you aware of that? If yes...
Category: Linux Advanced Commands
How to Find and Replace a String in File Using the sed Command in Linux
When you are working on text files you may need to find and replace a string in the file. Sed command is mostly used to replace the text in a file. This can be...
Three Ways to Exclude Specific Packages from Yum Update
As part of system update, you may need to exclude few of the packages due to application dependency in Red Hat based system. If so, how to exclude and what are all the ways...
Five Ways to Check How Long a Process Has Been Running in Linux
If you want to figure out how long a process has been running in Linux for some reason. We can easily check with the help of “ps” command. It shows, the given process uptime...
How to delete lines from a file using the sed command
Sed command stands for Stream Editor, It is used to perform basic text transformations in Linux. sed is one of the important command, which plays major role in file manipulations. It can be used...
How to check Linux Operating System (OS) installation Date And Time
Are you curious to check when the Linux Operating System (OS) was installed on your machine ? It could be for various reasons. Recently I had a requirement to find out this information. We...
Three ways to lock and unlock user account in Linux
If password policy is 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 you might need to unlock...
5 Easy ways to free up space (Remove unwanted or junk files) on Ubuntu
Most of us will free up the disk space whenever we face out of disk space on Linux system. It should be performed frequently, to make space for installing any new application and dealing...
How to verify whether 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-sync with accurate time to perform time based jobs in an organization. NTP...
Linux Shell script to monitor CPU utilization with email alert
There are many opensource monitoring tools are available to monitor Linux systems performance which will send an email alert when the system reaches the given threshold limit. It monitors everything such as CPU utilization, Memory...
