noraj (Alexandre ZANNI) - Cybersecurity engineer & Pentester

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How to change OpenSSH port on CentOS 7

đź”—Before beginning These are the steps to do on the SSH server. Be sure to do all the steps before exiting SSH connection if you are connected via SSH. This config was tested for default CentOS 7 iso.

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Disable NetBIOS in CLI with WMIC

NetBIOS is a very old protocol wich is no more interesting today except in some particular cases. But it has a large number of security flaws. We can use WMIC (Microsoft Windows Management Instrumenta

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Disable NetBIOS via Windows register

NetBIOS is a very old protocol wich is no more interesting today except in some particular cases. To disable it with the Windows register there are only a few steps : Launch the register editor (rege

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Qwant Lite : a refined version

The lite version of Qwant is avaible here. It' a version without JavaScript and without CSS3 so it's more retro-compatible as possible.

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How to change of terminal in command-line with Linux

Changing of TTY (TeleTYpewriter), text console or text terminal without keyboard shortcut may be useful for remote administration or virtualization. So to change of TTY in CLI (Command-Line Interface)

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Install Oh-my-zsh on openSUSE

Install zsh zypper in zsh and git zypper in git. Then install oh-my-zsh wget --no-check-certificate http://install.ohmyz.sh -O - | sh. Then define zsh as your default shell: chsh -s /bin/zsh.

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Learn Linux: Help

What is the man? Let's see what it says itself: 1234$ man -f manman (1) - an interface to the on-line reference manualsman (7) - macros to format man pagesman (1p)

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Variables type size and formaters in C

đź”—Variables Type Size Min Max signed char 8 bits -128 +127 unsigned char 8 bits 0 +255 short 16 bits -32,768 +32,767 unsigned short 16 bits 0 +65,535 int 16 bits -32,768 +32,767 unsig