Linux and Unix, Open Source, Linux Howtos
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
Patching of the Linux server is one of the important and routine task of Linux admin. Keeping the system with latest patch level is must. It protects your system against …
Four ways to install security updates on Red Hat (RHEL) & CentOS systems Read More
Based on your organization policy you may need to push only security updates due to various reasons. In most cases, it could be an application compatibility issues. Is it possible …
How to check available security updates on Red Hat (RHEL) and CentOS system Read More
Based on your organization standard policy, you may need to allow only the list of users or user groups who are allowed to access the Linux system. How to achieve …
How to Enable/Disable SSH access for a particular user or user group in Linux 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
We all know about sosreport is used to collect system information that can be used for diagnostic. Redhat support advise us to provide a sosreport when we raise a case with them …
xsos – Tool to read SOSReport in Linux Read More
User management is one of the important task of Linux system administration.There are many aspect involved in this and implementing the strong password policy is one among them. Navigate to …
How to set password complexity on Linux Read More
We have recently published an article about bulk package installation. While doing that, I struggled to get the installed package information and did a small google search and found few …
How to check whether the given package is already installed in Debian/Ubuntu systems. 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