Linux and Unix, Open Source, Linux Howtos
There are situations where you want to map storage LUN (Logical Unit Number), Block Device, LVM (LV & VG names) and File System (FS) information for FS expansion or Disaster …
How to map LUN, Disk, LVM and FileSystem in Linux Read More
For some requirements, you may need to find a block device mapped against a logical unit number (LUNs) and filesystem (FS) for FS expansion or disaster recovery (DR) activity. Similar …
How to map SAN LUN, Disk and FileSystem in Linux Read More
In some cases, you may need to find a block device mapped against a logical unit number (LUNs) for filesystem (FS) expansion or disaster recovery (DR) activity. Also, this information …
How to Find SAN disk LUN id in Linux Read More
‘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 …
How to lock & unlock multiple users in Linux Read More
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 …
How to kill all user sessions using shell script in Linux? Read More
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 …
How to check Network Interface details in Linux Read More
If you enabled a password policy on Linux, the password must be changed before it expires, otherwise you will be notified to change the password upon login until the password …
How to check user password expiration date in Linux Read More
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 …
Bash Script to Send eMail With a List of User Accounts Expiring in “X” Days Read More
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 …
How to check long running high CPU and memory consumption processes on linux Read More
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 …
Bash Script to Monitor CPU, Memory and Swap usage on Multiple Linux System With eMail Alert Read More