This article shows how you can find, sort, and count IP addresses from any log or text file. We will be using the grep command for this purpose. The grep utility searches any given input files, selecting lines that match one or more patterns. We will use the -o option of the grep command. This … Read more
This article shows how you can copy files and folders from your local machine to remote server. Also, how you can copy files and folders from the remote server to your local machine. We will use SCP protocol for this purpose. SCP stands for Secure Copy Protocol. It’s a means of securely transferring computer files. … Read more
Here are some linux commands (pactl and amixer) to increase and decrease volume. You can also use these commands to set keyboard shortcut to increase and decrease volume. pactl pactl command is used to control a running PulseAudio sound server. Increase volume by 10% pactl — set-sink-volume 0 +10% Decrease volume by 10% pactl — … Read more
You can convert any video file to audio format (extract audio from video) with the help of FFmpeg tool. FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec – the leading audio/video codec library. Installing FFmpeg on Ubuntu Linux sudo apt-get install ffmpeg libavcodec-extra-53 Note that you … Read more
Problem: I am using Xubuntu (lightweight version of Ubuntu) and I am unable to type in local language using iBus (an input method (IM) framework for multilingual input in Unix-like operating systems). iBus is already installed. When I go to its ‘Preferences‘ and then click the ‘Input Method‘ tab, I could only see ‘Chinese‘ language … Read more
I am using Xubuntu (an elegant and easy-to-use Linux distribution, based on Ubuntu, using Xfce as the graphical desktop). Xubuntu has shortcut for locking the screen. It is CTRL+ALT+Del. But, there was no shortcut for Suspend action (keeping the computer in Sleep mode). If you would like to add keyboard shortcuts on Ubuntu, you may … Read more
I recently upgraded from Ubuntu 12.10 to Ubuntu 13.04. It went successfully. After I restarted my computer, I get a black screen at the time of login. Hence, I am unable to insert my login to my computer. However, I was able to login in recovery mode. I googled for solutions. Used the keywords like … Read more
VI is a display oriented interactive text editor originally created for the Unix operating system. It is available by default on all UNIX systems. It is supplied with all Linux distributions. Here is a simple and quick VI command tutorial. Note: VI commands are CASE SENSITIVE. Modes There are two modes in vi: command mode … Read more
Shortcut Keys are always very useful for any work. There are many built-in shortcut keys in Ubuntu Linux. Moreover, you can add your own shortcut keys according to your needs and desire. Here is the step-by-step guide to create custom shortcut keys on Ubuntu. I am using the Unity Desktop in Ubuntu. Ubuntu version 12.10. … Read more