In this post, i will share the simple command to display the CentOS and Redhat Enterprise linux(RHEL) ip address. This command has been tested on Linux CentOS 5.8 server and may working on other CentOS and RHEL version as well. There are two alternative command to display ip address : 1. Display ip address using […]
grep is a command line text search utility originally written for Unix or linux. In linux you can grep multiple lines before or after matching the keywords. This examples has been tested on linux CentOS 6.2, but it may workings on other linux version such as Redhat Enterprise Linux 5 (RHEL5) or (RHEL6). Get grep […]
SWAT is the Samba Web Administration Tool that enable us to configure Samba from Web browser. In this post i will show simple steps to get Samba SWAT running on your CentOS 5.5 server. With SWAT, you can easily manage your samba server without messing with command line. You just need to install xinetd first, […]
Question : How to open a file on read only mode on linux? Answer : This command has been tested on Redhat Enterprise linux 6 (RHEL6) server. To open the file with vim in read only mode on linux, you need to run “vim -R” as below. Vim is enhanced version of vi editor that […]
In this post i will show on how to display logged in user information and terminal number on Linux server. This post provides practical examples for future references. This steps has been tested on Redhat Linux Enterprise server 6 and may working CentOS server as well. 1. “who am i” command is use to display […]
vmstat command is a utility that will provides interesting information abaout processes, memory, i/O and CPU activity. When you run vmstat utility command without any arguments, you will see the output as below. This post will guide you on how to check memory and I/O with vmstat on Linux CentOS 5/CentOS 6/RHEL 5/RHEL 6 server […]
Top command is utility to monitor system activity interactively. When you run top from shell window, it will display all the activity processes and updates the screen. In this post i will show the usage of top command on CentOS 5/CentOS 6/RHEL 5/ RHEL 6 server to keep track system activity and to optimize the […]
In this post, i will share on how to backup and restore MySQL database on Linux server. I have tested this on my CentOS and RHEL servers. MySQLDump — A Database Backup Program, Click for more info. The mysqldump client is a backup program originally written by Igor Romanenko. It can be used to dump […]
Question : When i try to perform the troubleshooting using telnet command, the following error appeared. How to fix this ? [root@centos62 ~]# telnet localhost 25 -bash: telnet: command not found Answer : Simply install telnet using this command : [root@centos62 ~]# yum install telnet Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * […]
In this post, i will show you on how to install gcc package. The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages. The compiler is designed to support multiple front-ends and multiple back-ends by translating first into Register Transfer Language and from there into assembly code […]
This post will guide you on how to modify date and time stamps using “touch” command. The touch command is easy to use and there are two reason to use it. 1. To create a file. 2. To update a file’s modification date. The touch command is part file utilities package and has several options. […]
This post will guide you on how to create a file using “touch” command. The touch command is easy to use and there are two reason to use it. 1. To create a file. 2. To update a file’s modification date. The touch command is part file utilities package and has several options. How to […]