rhel

Swap is a space on a disk that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, inactive pages are…

Issue: – How to reduce the size a partition formatted with xfs filesystem? – How can I reduce the size of a LVM partition formatted with xfs filesystem? It is…

In this guide tutorial, we will cover how to reduce an lVM swap partition on a CentOS 7 / RHEL 7 server. Task: Reduce the LVM Swap partition /dev/vg1/swap from…

RHCSA Exam Objectives: Start, stop, and check the status of network services In this lesson we are going to learn how to start, stop, enable, disable and check the status…

Step 1: Add the PostgreSQL 9.6 Repository # sudo yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm -y Step 2: Install PostgreSQL 9.6 – To install PostgreSQL 9.6 just run the below command: # sudo…

Choosing a high-availability solution for MySQL to prevent downtime and data losing, is really one of the important subjects for an IT System Admin to handle. Today, we are going…

Holland is an open source backup framework written in Python. It can be used to back up several different database types using a number of methods based on the plugins…

Lsyncd stands for “Live Syncing Daemon“, lsyncd is used to sync or replicate files and directories locally and remotely after a specific time of interval. Lsyncd uses Rsync and ssh…