How to lock & unlock multiple users in Linux
‘usermod’ & ‘passwd’ commands are used to lock or unlock one user account at a time, but you may need to write some small shell scripts to perform this action …
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How to kill all user sessions using shell script in Linux?
System administrator task can be automated in various ways in Linux. It drastically reduces the human efforts and saves reasonable time which can be utilized for other productive tasks. shell …
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How to check Network Interface Card information in Linux
Server primary interface would be configured as part of the server build activity, but sometimes you may need to configure an additional network interface in Linux for several reasons. An …
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How to check user password expiration date in Linux
If you enabled a password policy on Linux. The password must be changed before it expires, if not, you will be notified when log in to the system until expire. …
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Bash Script to Send eMail With a List of User Accounts Expiring in “X” Days
The password enforcement policy is common to all operating systems and applications. If you want to implement a password enforcement policy on Linux, go to the following article. The password …
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Bash Script / Linux / Linux Commands / Shell Script / System Diagnostic Tool / System Performance Monitoring Tools
How to check long running high CPU and memory consumption processes on linux
In the past, we have written three different articles to identify this using Linux commands. You can access them immediately by going to the relevant URLs below. How to Find …
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Bash Script to Monitor CPU, Memory and Swap usage on Multiple Linux System With eMail Alert
You have a small infrastructure and want to check multiple system performance simultaneously for some reason. This script will help you to create a report for you. You can use …
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Bash Script to Check Successful and Failed User Login Attempts on Linux
One of the typical tasks of Linux administrators is to check successful and failed login attempts in the Linux system. This ensures that there are no illegal attempts at the …
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Bash Script to View System Information on Linux Every Time You Log into Shell
There are several commands in Linux to obtain system information such as processor information, manufacturer name, and serial number, etc,. You may need to run several commands to collect this …
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How to quickly check if a website is up or down
Linux users can easily test a websites availability from the command line by obtaining the status codes from the web server. The below HTTP response status codes will tell you …
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