Deadly Linux Terminal Commands part 3
150Breaking Ubuntu Linux with some deadly commands: Sinkhole tmp to /dev/null, Crashing the Linux kernel with Magic System Request Key, Enigma Terminal (more of an April fools joke), Invert sudoers groups, and Delete your sudo rights.
0:54 Sinkhole tmp to Null
sudo rm -R /tmp
sudo ln -s /dev/null /tmp
1:47 Magic System Request Key
https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html
echo i ＞ /proc/sysrq-trigger
echo c ＞ /proc/sysrq-trigger
2:53 Enigma Terminal
nano ~/.bashrc
while true; do echo -ne $(tr -cd '[:alnum:]' ＜ /dev/urandom | fold -w1 | head -n1); read -rsn 1; done;
4:00 Invert Sudoers
sudo sed -i ‘s/%/%:/g’ /etc/sudoers
5:08 Delete yourself from Sudo
sudo deluser $(whoami) sudo
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