Linux and Unix, Open Source, Linux Howtos
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
You might have already come across ASM, Device Mapper Multipathing (DM-Multipathing) if you are working quit long time as a Linux administrator. There are multiple ways to check these information. …
How to map Oracle ASM Disk against Physical Disk and LUNs 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
We had recently written an article to check whether the port is open on the remote Linux server. It will help you to check for single server.If you want to …
Check whether the port is Open on Multiple Remote Linux Systems using nc Command & shell script Read More
User account creation is one of the basic task for Linux administrator that everyone aware. Here we are going to show you something interesting about the user creation in this …
Three methods to create User accounts in Linux? Read More
Recently we had written an article about password strength and password score check in our website. It will help you to validate your password strength and score. We can manually …
5 Ways to generate a Random/Strong password in Linux terminal Read More