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Category Archives: Linux

Linux: Display or change a pre-login message .

Open file /etc/issue and change the text:

You can use this to add some new infos or ascii image. The images can be transform into ascii image by using convert image to ascii. One example to convert a picture into ASCII TEXT,HTML is this website: picascii.com The main problem can be if you have […]

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Bash: Get IP and IPv6 address and interfaces.

First use this commands to see your IP and IPv6 address and interfaces.

Now if you want to use this every day, just open your .bashrc file from your home folder. Add this functions to the .bashrc file:

Now open a new terminal shell and use it:

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Linux: How to fix the Shellshock vulnerability.

About the Shellshock vulnerability you can read here. Run this command:

If you see this:

The you have a Shellshock vulnerability, to fix use this:

Thank’s.

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Bash: Changing extension to multiple files

To change file extension from *.txt file to *.text file use this command into your shell:

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Useful commands for linux – part 001.

Today I will come with some useful commands for your linux. Some commands need to be install into your linux, like ImageMagick. With ImageMagick software you can generate an animated GIF:

This command of ImageMagick will resize to 50% all your png files from your folder:

Use this command to put top command […]

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