Posts in RHEL

2 Minute Tutorials HOW To's LINUX RHEL February 25, 2017

Configuring NTP using chrony

Chrony provides another implementation of NTP and is designed for systems that are often powered down or disconnected from the network. The main configuration file is /etc/chrony.conf and parameters are similar to those in the /etc/ntp.conf file. – chronyd is the daemon that runs in user space.– chronyc is a command-line program that provides a command prompt and a number of commands. Examples:tracking: Displays system time informationsources: Displays information about current sources. Installing Chrony Install the chrony package by using the following command: # yum install chrony Use the following commands to start chronyd and to… Read More

2 Minute Tutorials HOW To's LINUX RHEL Tutorials February 25, 2017

Create a new swap partition on RHEL system

For the purpose of this post, let’s assume that you do not have any swap configured on your system. /dev/sdc is the drive referenced with no partitions. Since we are going to make a single partition filling the disk, note that any data currently on that disk will be lost. Follow the steps given below to add /dev/sdc1 partition as the new swap partition on the system. 1. Use the fdisk command as root to create a swap partition. # fdisk /dev/sdc A new prompt will appear, type ‘p’ to… Read More