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Test your Internet Speed through Command-Line in CentOS 8 - How to do it ?
This article covers the different methods through which you can install the Speedtest utility on your CentOS 8 system.
Also, we have also shown how to test the internet speed through the Speedtest-cli utility and how to generate URLs to share with others.
To Install Speedtest-cli on CentOS 8:
1. Open the terminal to make sure that Python is installed and working properly. Type the following command to check Python version:
$ python --versionIf python is not installed on your system then first you will install python on your system.
For this purpose, you need to run the below-mentioned command on the terminal to install python on CentOS 8.
$ sudo yum install python2
2. Download the speedtest_cli.py file using 'wget' command:
$ wget -O speedtest-cli https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.pyAfter successfully saved the downloaded file, you will type the following command on the terminal:
$ chmod +x speedtest-cli
Install PlayOnLinux on Ubuntu 20.04 LTS - Step by Step Process ?
This article covers how you can install PlayOnLinux on Ubuntu OS using two different ways.
You can opt for any installation method (command line or GUI-based method) that is most convenient for you.
PlayOnLinux will allow you to install your Windows-based software on different virtual drives, which means that there is no interaction between the different applications you install.
So if something doesn't work right, you know it won't affect the rest of your stuff and they can easily uninstall it by removing the virtual drive.
To install PlayOnLinux on Ubuntu:
PlayOnLinux can be found in the Ubuntu software repositories, so you can get it from Ubuntu Software Center or install it with the following command:
$ sudo apt update
$ sudo apt install playonlinuxIt is also recommended to install some dependencies that may be necessary:
# sudo apt-get install winbind
# sudo apt-get install unrar-free p7zip-full
10 Useful Awk Command Examples in Linux
This article covers a few awk commands and scripts.
Awk is a scripting language used for manipulating data and generating reports.
The awk command programming language requires no compiling, and allows the user to use variables, numeric functions, string functions, and logical operators.
AWK Syntax:
$ awk options 'selection _criteria {action }' input-file > output-fileFunctions of AWK:
1. AWK Operations:
(a) Scans a file line by line
(b) Splits each input line into fields
(c) Compares input line/fields to pattern
(d) Performs action(s) on matched lines
2. Useful For:
(a) Transform data files
(b) Produce formatted reports
3. Programming Constructs:
(a) Format output lines
(b) Arithmetic and string operations
(c) Conditionals and loops
Install Redshift on Linux Mint - Step by Step Process ?
This article covers the procedure of installing Redshift- the color temperature adjusting tool on a Linux system.
Also, we have shared with you the procedure of uninstalling this tool from your system if you do not want to use it any longer.
Redshift is a tool that is used to adjust the color temperature of your screen according to your surroundings.
The color temperature adapts to the time of the day.
A different color temperature is set for the night and daytime. It applies a red hue or redness effect to your screen or graphical display.
This helps reduce eye strain and lessen the risk of delayed sleep in case you are working in front of the screen at night.
How does RedShift work?
In the early morning, redshift allows your eyes to gradually adapt over a period of about an hour, as the temperature transitions smoothly from night time until the day.
The color temperature during the day should match the light from outside, typically around 5500K-6500K. The default daytime temperature is 6500K.
At night the color temperature is set to match the lamps in the room.
This temperature is around 3000K-4000K. The default night temperature is 4500K.
To install RedShift on Ubuntu:
1. The most straightforward of installing redshift on Ubuntu 20.04 is using the apt package manager. To install Redshift, execute the following commands:
$ sudo apt update
$ sudo apt install redshift redshift-gtk
Install Android File Transfer for Linux on Ubuntu 20.04 LTS - Step by Step Process ?
This article covers how to install Android File Transfer for Linux on your Ubuntu distribution.
Now you can conveniently transfer files between your android phones and Linux system.
Android File Transfer is an MTP client tool that is used to transfer files from android devices to Linux OS and from Linux OS to Android devices.
It is similar to Android File Transfer that is available for Mac OS and has a very minimalistic and easy to use interface.
To Android file transfer for Linux:
1. Connect your Android device with your computer using a USB cable.
When prompted on Android device for allowing access to the device data, tap on Allow to allow access.
2. Launch Terminal by pressing Ctrl+Alt+T key shortcut.
Then you will need to update our system by adding the PPA to your list of software sources. For this, run the following command in Terminal:
$ sudo add-apt-repository "deb http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu artful main"3. Once completed, run the following command in Terminal to update the repository.
$ sudo apt-get update4. After your local repository is updated, run the following command in Terminal to install Android file transfer:
$ sudo apt install android-file-transfer
Install Imagemagick on Linux Mint 20 - Step by Step Process ?
This article covers how to install Imagemagick on your system very conveniently and use it for editing your images.
However, you can also uninstall this tool from your system very easily at any time by following the tip that we have shared.
ImageMagick is a free and open-source application through which we can manage (i.e. create/edit/convert etc.) raster graphics. ImageMagick is typically used from command line.
Also we can use it from any programming language by using its interface like Magick.NET (.Net),IMagick (PHP), PerlMagick (Perl) etc.
To Install ImageMagick on Ubuntu 20.04 LTS:
1. First, make sure that all your system packages are up-to-date by running these following apt commands in the terminal.
$ sudo apt update$ sudo apt upgrade2. Install ImageMagick on Ubuntu system.
$ sudo apt install imagemagick
