5 ways to check Ubuntu version of system (commands and GUI)
In this article we will learn about 5 different ways to find the Ubuntu version of your system. Knowing the Ubuntu version of your Operating System is also important
Understanding Linux Internal vs External Commands
Do you know when you run the Linux / Unix command it could be Internal or External ? In this article, we will learn about Linux Internal and External command. For identifying and understand on command type, here we have article for you. Linux/Unix has so many commands. If you know these commands, your Linux…
Essential Linux Commands Every Beginner Should Know | With Examples
In this Linux tutorial post, we are writing on all Linux basic commands with examples which every Linux beginner should know. It will help you to kickstart on any Linux Operating System. We expect, you have already installed the Linux Operating System in your system and we are ready to start the command in terminal….
setfacl: Option -m: Invalid argument near character 3
When you work with lots of server and setting permission with setfacl command, you may encounter with this error – “setfacl: Option -m: Invalid argument near character 3”.
Convert website page to pdf and image
To convert website page to pdf and image is very useful for various reasons. This kind of requirement you may have seen while making any report and we need to convert website page to pdf or image. Recently, we got requirement to create website page to pdf for some report. Actually the report was displaying…
print new line character in Unix / Linux
This is quick post on print new line character in Unix / Linux. Here, we will share two methods of print / echo new line character. Generally , when we do bash/shell scripting most of the time we require this. Let’s start this essential basic of bash/shell scripting. echo command : new line character In…
Find Linux Operating System architecture installed on system
In this post we will quickly share the commands, which will help to find linux operating system architecture installed on system. Most of the time system admin or linux user requires to know which Linux OS architecture is installed. Mostly , while installing or developing the package or software we need this information. Whereas it…
tr command to convert lines to space , tab and vertical tab
In this post , we are explaining how to use tr command to convert lines or rows to space , tab , vertical tab and vertical tab. In our last post we have explained converting lines to space by using sed command. This time we will use tr command, which translate, squeeze, and/or delete characters…
smbpasswd command not found on CentOS 7 and RHEL 7
While setting up the Samba Server on CentOS 7, I met with this message on termial that is ” -bash: smbpasswd: command not found “. The smbpasswd is mainly use for setting the password for user in samba server. How to get smbpasswd commad on system To get smbpasswd commad on system ,use the below…
Solution : semanage command not found
This time again I stuck with -bash: semanage: command not found on CentOS 7 and RHEL 7 (Red Hat Enterprise Linux 7) . I mostly use the minimal installed CentOS/RHEL Servers. I got the same issue with semanage command not found on CentOS 6/RHEL 6 Quick Introduction: semanage semanage is SELinux Policy Management tool. Fix:…
Unix / Linux : How to print duplicate lines from file
In this post I am sharing a small tip which is very useful while for system admins. The tip is about how to print duplicate lines from file. Sometimes we get the big file with lot of contents.And there may be chances of duplicate lines. To find the duplicate lines from file, use the below…
yum : how to find rpm package which has certain command or file
With this post you will also learn, how to find RPM packages which has certain command or files. You may have encounter with the error like “netstat command not found” on Red Hat based operating system. This time, on exploring and using CentOS 7, I found many changes. Generally I prefer to go with minimal…
Linux : clear command and its keyboard shortcut
Today, in this post we will explain about linux clear command and its keyboard shortcut. Like cls command on Windows, on linux we use clear command.clear command is available on all Unix like Operating System. clear command clears output and command on console or terminal window. In short words, clear command clear the screen. But…
FAQ on CentOS 7 / RHEL 7 : Alternate of ifconfig command
Question : Recently CentOS 7 and RHEL 7 is released. After doing minimal installation, I have not find ifconfig command. Do we have alternate of ifconfig command ? Let me describe the problem – After installation, I have to connect my system to internet. But ifconfig command is not found . I read your previous…
How to print particular line number by using sed command
This is a single line sed command to illustrate the example of , ” How to print particular line number by using sed command ” . sed command are the ultimate stream line editor. Often we generally share sed related tips. Given below is content of file called test. Absolute path is /tmp/test This is…