Linux and Unix, Open Source, Linux Howtos
Veritas Cluster (VCS) is the most popular among others because I have seen VCS running on many mission critical systems, especially core banking systems were running on Veritas clusters. In …
How to Create VxVM Volume and Filesystem in Linux Read More
There are situations where we would be required to move a whole volume group from one system to another system for some requirement. As part of this, it also moves …
How to move a Volume Group from one system to another Read More
There are situations where a storage device or LUN must be removed from running system without any issue. This happens for a variety of reasons, but most commonly, when the …
Six Simple Steps to Remove a Storage Device (LUN) from Linux Read More
Disk space on Linux can be expanded by adding a new LUN or resizing an existing LUN on the system. In most cases, the online resizing of the multipath device …
How to Resize an Online Multipath Device on Linux Read More
systemd is a system and service manager for Linux operating systems. When you install any application from a repository, it will drop a service unit file into the systemd directory …
How to create a systemd service unit file in Linux Read More
systemd is the default system manager in most of the major Linux distributions, which comes with a new logging daemon called ‘journald’. For many years, system and kernel logs in …
How to use journalctl to analyze logs 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
PDF stands for Portable Document Format which is widely used among general users for documentation purpose and its usage is primarily for printing, sharing and for large documents. By default, …
The simplest way to edit PDF files in Linux Read More
SSH Secure Shell is an encryption network protocol that provides secure encrypted communications between two hosts. It allows you to connect to a remote machine securely over an insecure network. …
How to Automatically Accept SSH Key Fingerprint Read More
Linux has many GUI applications for viewing images. But have you ever tried a CLI application to view them or do you know if one exists? Fortunately, while working with …
How to view images from Linux terminal Read More