Linux and Unix, Open Source, Linux Howtos
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
In some case you may need to install a list of packages from one server to another. For example, you have installed 15 packages on Server-A, and those packages needs …
How to Install & Uninstall a list of Packages from a file Read More
Package installation is become more easier on Ubuntu/Debian based systems when we use apt-clone utility. apt-clone will help you lot , if you want to build few systems with same …
apt-clone : To clone installed packages from one system and restore it on another fresh Ubuntu system Read More
A run level is an operating system state on Linux system.There are seven runlevels exist, numbered from zero to six.A system can be booted into any of the given runlevel. …
Five methods to check your system’s current Runlevel in Linux Read More
A gateway is a router that acts as an access point to pass network data from one network to another. The default gateway is your router’s IP address, which must …
How to Find Default Gateway IP in Linux Read More
Do you know, what tools are used to troubleshoot or monitor real-time disk I / O performance issues on Linux? In General, top command will be used to view system …
How to Monitor Disk I/O performance in Linux Read More