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 Automatically Accept SSH Key Fingerprint?
SSH Secure Shell is an encryption network protocol that provides secure encrypted communications between two hosts. It allows you to connect to a remote machine securely over an insecure network. …
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How to check Network Interface details 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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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 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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Bash Script to Monitor Disk Space Usage on Multiple Remote Linux Systems With eMail Alert
Some time ago, we had wrote Bash script to monitor disk space usage on a Linux system with an email alert. That script works on a single machine, and you …
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Bash Script to Generate Patching Compliance Report on CentOS/RHEL Systems
If you are running a large Linux environment you may have already integrated your Red Hat systems with the Satellite. If yes, there is a way to export this from …
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