Category: RedHat

How To Add User To A Group In Linux

Posted on 30/10/201830/10/2018 by İsmail Baydan

Linux uses groups in order to share resources in a easy way. In general a resource will have a user, group and other access rights. In this tutorial we will

What Is System Administrator and Duties ?

Posted on 28/10/2018 by İsmail Baydan

Information Technology or IT provides a lot of positions for technical personnel. System Administrator is the most popular position or role in the IT except Programmers or Applications Developers. In

How To Use Regex (Regular Expression) with Grep?

Posted on 28/10/2018 by İsmail Baydan

grep is very popular tool used to match given search patterns in given text. grep provides simple glob search but also provides regexsupport which is very useful for complex search

HTTP Status 503 Error Code and How To Fix It?

Posted on 25/10/2018 by İsmail Baydan

Hypertext Transfer Protocol or HTTP 503 Service Unavaiable server error response code indicates that the server is not ready to handle the request. Also HTTPS protocol will use the same

What Is Linux LVM (Logical Volume Management)?

Posted on 22/10/201822/10/2018 by İsmail Baydan

LVM or Logical Volume Management used to create, manage and delete logical volumes in Linux operating systems. LVM provides RAID like architectures for disk drives. We can create single logical

List of FTP Commands For Linux and Windows with Examples

Posted on 12/10/201812/10/2018 by İsmail Baydan

FTP protocol and tools are used to transfer data over network in a simple manner. There are different FTP tools with GUI support which can provide simple usage without knowing

How To Use Vi Editor?

Posted on 10/10/2018 by İsmail Baydan

vi is very powerful text editor where most of the Linux distributions provides. vim is improved version of the vi editor with more features. Most of the intersecting features complies with vim . In

What is Zenmap and How To Download, Install and Use In Windows, Linux?

Posted on 10/10/201810/10/2018 by İsmail Baydan

Zenmap is an free and open source GUI designed to be used with nmap . Zenmap is multiplatform tool which supports Linux, Ubuntu, Mint, Kali, Fedora, CentOS,.. , Windows, Mac OS X,

What Is Linux nfsd Process and Meaning?

Posted on 10/10/2018 by İsmail Baydan

NFS is Unix and Linux type network based file system. This file system is served over network. In order to serve file system with files and directory nfsd daemon is used.

How To Change Linux Hostname In Ubuntu, Debian, Mint, Kali, CentOS, RedHat?

Posted on 23/09/201823/09/2018 by İsmail Baydan

Hostname is used to name the systems. Normally the computer networks work with IP addresses in order to identify and communicate. But hostname provides human friendly way to name, identify,