Linux and Unix, Open Source, Linux Howtos
There are many open source monitoring tools are currently available in market to monitor Linux systems performance.Those will send an email alert when the system reaches the specified threshold limit …
Bash script to automatically start a services when it goes down on Linux Read More
There are many open source monitoring tools are currently available in market to monitor Linux systems performance.which will send an email alert when the system reaches the specified threshold limit. …
Bash script to send a mail when new user account is created in system Read More
There are many open source monitoring tools are currently available in market to monitor Linux systems performance which will send an email alert when the system reaches the specified threshold limit. …
Bash script to monitor messages log (Warnings, Errors and Critical) in Linux Read More
There are many open source monitoring tools are currently available in market to monitor Linux systems performance which will send an email alert when the system reaches the specified threshold …
Bash script to monitor memory usage on Linux Read More
If a password policy is pre-implemented in your organization, then there is no need to verify this, as locked accounts will auto-unlock according to the configuration. However, manual unlock is …
Four ways to lock & unlock a user account in Linux Read More
CPU performance is one aspect of measuring the performance of a system, which is essential to measure the overall system-performance. When a Linux system CPU is occupied by multiple processes, …
Linux Shell script to monitor CPU utilization with an email alert Read More
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 …
Two methods to check or list out installed security updates on Redhat (RHEL) & CentOS system Read More
In some cases, you may need to find a block device mapped against an ASM disks and logical unit number (LUNs) for ASM disk addition or disaster recovery (DR) activity. …
How to map ASM disks to Physical disks in Linux Read More
It is an important task for Linux administrators to monitor disk space usage on any system that’s used for hosting critical applications, in order to prevents the system from becoming …
How to monitor disk space usage with shell script Read More
Linux groups are organization units used to manage user accounts in Linux. It has unique numerical identification number for each users and groups in the Linux system. It’s called a …
Four methods to add an User to specific group in Linux Read More