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How to create, configure and use YUM repository in RHEL/Cent OS 7.

Whenever you use a base Operating System(OS), you have to install some packages which are very similar to the applications you install in Windows. Once you have installed the packages in RHEL/Cent OS you need to configure it. In RHEL/Cent OS we create repository which is the warehouse of the packages. The packages used in

By |2020-07-20T23:15:50+05:30February 18th, 2017|Categories: Redhat/CentOS 7, Unix and Linux Beginner|Tags: , , , , , |Comments Off on How to create, configure and use YUM repository in RHEL/Cent OS 7.

How to configure BIND for DNS server in RHEL/CentOS 7

DNS(Domain Name System) is very important when you use internet to access any website. With the help of DNS you are able to redirect to domain names to IP. To explain further I would say all the servers are configured with an IP and it is very difficult to remember the IP address of particular

By |2020-07-20T23:15:50+05:30February 12th, 2017|Categories: Redhat/CentOS 7|Tags: , , , , |Comments Off on How to configure BIND for DNS server in RHEL/CentOS 7

How to configure IP address in Redhat/Centos 7

In this blog article I would be sharing how to add or change the IP address in Redhat/CentOS 7. There are two ways of adding or changing the IPADDRESS. [symple_box color="gray" fade_in="false" float="center" text_align="left" width=""] [root@localhost /]# nmtui        # command to open Network Manager Text user interface in which you can add or change

By |2020-07-20T23:15:51+05:30November 15th, 2015|Categories: Redhat/CentOS 7|Tags: , , , , |Comments Off on How to configure IP address in Redhat/Centos 7

How to free the RAM space in RHEL/CentOS 7

Many times we realize that the RAM is taking extra space which may lead to slow performance of the system or server. So we can optimize and free the RAM space with few commands. [symple_box color="gray" fade_in="false" float="center" text_align="left" width=""] [root@localhost /]# free -m        # check the current RAM usage [root@localhost /]# sync; echo

By |2020-07-20T23:15:51+05:30November 15th, 2015|Categories: Redhat/CentOS 7|Tags: , , , |Comments Off on How to free the RAM space in RHEL/CentOS 7

Working with Files and Directories in Unix and Linux

While working with files and directories in Unix and Linux, you will need to use copy paste or move commands which can help you to manage the files more easily. Copying Files $ cp option source target -i: Prevents from accidently overwriting of existing file, gives a yes or no prompt. -r: Include the contents

By |2020-07-20T23:16:21+05:30August 2nd, 2013|Categories: Unix and Linux Beginner|Tags: , , , , , , , |Comments Off on Working with Files and Directories in Unix and Linux