Linux Commands

Linux mpstat Command - Reports Processors Related Statistics

linux mpstat command

You may find a situation when your cpu utilization is high but you feel that you don't run anything. On Linux system, you can monitor this activity using mpstat. Mpstat is used to monitor cpu utilization on your system. It [...]

Bobbin Zachariah 11:41 pm

Linux w Command to See Who is Logged In And What Doing

w version

As system Administrator, you must manage the users who logged in into your Linux system. I am not sure why this command called “w”. Just a simple letter. But behind the simplicity of its name, w give us a valuable information. [...]

Pungki Arianto 3:00 am

How to Display and Set Hostname in Linux

hostname command linux

With more and more computer connected to the network, the computer needs to have an attribute to make it different from each other. Same as a human in the real world, the computer also has an attribute named hostname. From [...]

Pungki Arianto 9:49 am

20 Basic Linux Cat Command for File Management with Examples

linux cat command

In Linux operating system most of the configuration files, logs even shell scripts are in text file format. There is why we have numbers of text editors in Linux. When you just need to see the content of those files, [...]

Pungki Arianto 10:44 am

How to RPM Query for Packages on Linux

We will explain the options that can be added to the rpm command (Redhat Package Manager) in order to query packages in Linux. The following elements of the article will be explained: How to query the whole RPM database? How [...]

Deep 4:08 am

How to Check Memory Usage of Process with Linux pmap Command

The Linux pmap command displays the memory usage map of a process or multiple processes. Pmap reports information about the address space or memory usage map of a process. Pmap is actually a Sun OS command and Linux supports only very [...]

Bobbin Zachariah 9:29 am

How Chown Recursively Change File/Directory Ownership in Linux

The chown command in Linux is used to change the ownership and group ownership of a files/directories. In Linux, all files, directories and processes (which are again files) are owned by users. The group is a set of users that share [...]

Raghu 9:16 am

Linux Sort Command Examples and Sorted Outputs

Sorting in Linux can be performed with a simple utility command sort.   It takes input from STDIN by default but can sort files when file names are provided as an argument and it can also sort numerically as well. In [...]

Raghu 8:11 am

Find Linux Sed Command and Its Various Options

Linux Sed command is a stream editor that can perform basic text transformation on input stream. It can be used for editing in shell scripts for non-interactive editing. Other command line editors like vi, nano or emcs are big text [...]

Bobbin Zachariah 8:57 am

How to Limit Process at User Level on Linux

Ulimit  - as the name signifies, its the user resource limits defined by users for their respective processes, it provides control over the resources available to the shell and to processes started by it, on systems that allow such control. [...]

Bobbin Zachariah 12:33 pm

Learn Linux Nmap Command With Examples

NMAP, well, we here are talking of network mapping, this tool is a celebrity tool that also appeared in one of my favorite trilogy, yes, the Matrix series, in the movie , its used to scan the whole Matrix ecosystem [...]

Bobbin Zachariah 8:00 am

4 Commands to Shutdown Linux from Terminal

How can you shut down your system successfully using a command? According to the manual page of shutdown command, shutting down a system means bringing the system down in a secure way. This article discusses the commands you can use [...]

Bobbin Zachariah 11:22 pm

Example How To Use Linux nohup Command

The signal in Linux or other UNIX like operating systems is a notification or message sent to a process to notify it that some event has occurred. Most of the commands executed by a user are run by his/her shell. [...]

Bobbin Zachariah 11:01 pm

How to Use SCP Command for A File/Directory Transfer in Linux

scp examples linux

SCP is a secure copy program in Linux copies files/directories between hosts on the network. It uses SSH to transfer the data. Same as SSH, Scp uses the port 22 by default. It provides the same security and uses the [...]

Bobbin Zachariah 10:52 pm