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Information Technology Articles
Page 10 of 10
Reset the root user password on rhel7 xcentos7 x
This article will be helpful if we forget the root password on Centos 7.x or RHEL 7.x. In the previous version of RHEL, we can easily break the root password, as by default SE-Linux is enabled. Also note that, RHEL has brought many special new features.Resting the Root PasswordReboot/Restart the system.Press ‘e‘ at the grub boot menu to edit the default boot menu.This screen looks like this for RHEL 7.x –Press us thr down arrow key to find the line which contains similar to the ‘linux16 …… rhgb quit …..” and replace the ‘rhgb quiet’ words with ‘init=/bin/bash’. Once we ...
Read MoreHow to configure and setup postfix mail transfer agent on ubuntu
In this article, we will learn how to configure and install the most popular open source MTA (Mail Transfer Agent) Postfix, which can be used to route email delivery of the Linux Systems. Based on industry usage and estimates, most of the public mail servers are currently running on Postfix.Installing the Software on LinuxSince, Postfix is a default package in the Ubuntu repositories, we can install it easily by using the ‘apt-get’ command. Before we install the packages, we need to update the system. We can do this by using the below command.Here is a sample demo, I used hanuman.com ...
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