Sunday 29 September 2019

How to Install CentOS 8.0 Minimal Step by Step



The CentOS Project is recently released CentOS 8.0 for Linux users. It is a new community version of RHEL 8 and has many new features such as multiple versions of packages are available in CentOS 8 Base repository and App Stream for the additional user space applications.

How to change Hardware Clock date and time Using hwclock



The hardware clock also known as BIOS clock. It is independent operating system clock and it works even when shut down the system. hwclock utility is used to check current time of hardware clock and adjust the hardware clock time.

Saturday 28 September 2019

How to Enable Software Collections (SCL) yum repository on CentOS 7



The Software Collection is an additional package repository that allow users to easily and safely install most recent versions of applications and configure online environments without compromising the performance of the existing system. It is reliable, community edition and provides useful software packages that are not included in the official CentOS 7 default repositories.

How to install and configure Tomcat 9 on CentOS 7/RHEL 7



Apache Tomcat open source and free binary deployed by Apache Foundation. It is commonly used to run Java programs/applications for web and servlet container hosting.

How to install Java8/jdk1.8 using yum command on Centos 7



By default Java packages are available in CentOS 7 base repositories and it can be installed using yum command. This article describes how to install Java8/jdk1.8 using yum command on CentOS 7.

Sunday 22 September 2019

How to install and configure Open vSwitch with NIC bonding on CentOS 7



Open vSwitch is a multi layer software switch which is free and open source software released under Apache 2 license. In this tutorial we are going to setup Open vSwitch with NIC bonding. NIC Bonding enables two or more network interfaces to act as one interface, to provide higher data rates and as well as link fail over.

Saturday 21 September 2019

How to use yum command to update and patch Centos 7



Centos 7 is a major release of Centos release. Yum command can used to check latest updates and install security updates and patches on Centos systems from internet. Since, Centos 7 is major release of Centos the yum command can upgrade to the latest minor release (Centos 7.7).

Saturday 14 September 2019

How to check routing table on CentOS 7



The routing table is displays the different sub nets and their routes details. Also the table provides information about default route and other routes and their matrices. This article describes various commands that displays routing table in CentOS 7.

How to resolve “-bash: /usr/sbin/ifconfig: No such file or directory” on CentOS 7



The ifconfig command deprecated in CentOS 7 minimal installation and most of the Linux distributions. The ip a command can used instead of ifconfig command. The following steps describes installation of ifconfig command on CentOS 7.

How to resolve “-bash: route: command not found” on CentOS 7



The route command deprecated in CentOS 7 minimal installation and most of the Linux distributions. The ip command can used instead of route command. The following steps describes installation of route command on CentOS 7.