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Display all open ports in linux using netstat. commands: sudo netstat -anltp sudo netstat -anltp | grep "LISTEN" Youtube Link: ▶️ DTube ▶️ IPFS

How to use systemd to manage services in ubuntu Linux. commands: sudo systemctl start mysqld sudo systemctl stop mysqld sudo systemctl restart mysqld sudo systemctl enable mysqld sudo systemctl disable

How to cancel a shutdown in Linux Terminal. commands: shutdown +10 shutdown -c Youtube Link: ▶️ DTube ▶️ IPFS

Run a command or shell script even after you log out in Linux Terminal. Command: nohup xed Yourube Link: ▶️ DTube ▶️ IPFS

List all shell builtin commands in Linux Terminal Youtube Link: ▶️ DTube ▶️ IPFS

Search in whole manual pages in Linux Terminal. Command: man -k rename Youtube Link: ▶️ DTube ▶️ IPFS

How to make a file unrecoverable in Linux. Commands: shred -zuv test Youtube Link: ▶️ DTube ▶️ IPFS

How to kill a process in Linux using Terminal. Commands: pidof xed # output: 8768 sudo kill -KILL 8768 Youtube Link: ▶️ DTube ▶️ IPFS

Find if there are files containing a particular text using grep in Bash Terminal. Command: sudo grep -ir "AMD Radeon" /var/ Youtube Link: ▶️ DTube ▶️ IPFS

How to empty a file without deleting it. Explain: Use right arrow character before the file name. Youtube Link: ▶️ DTube ▶️ IPFS

Copy and paste in Bash Terminal. Commands: CTRL + SHIFT + C CTRL + SHIFT + V Youtube Link: ▶️ DTube ▶️ IPFS

Reuse the last item from the previous command in bash Terminal. Commands: ls Pictures/ cd !$ Youtube Link: ▶️ DTube ▶️ IPFS

Reading a log file that is changing in real time. Command: tail -f syslog Youtube Link: ▶️ DTube ▶️ IPFS

Running multiple command in one single command. Commands: ls du -sh date ls ; du -sh ; date Youtube Link: ▶️ DTube ▶️ IPFS

Bring a suspended program to the foreground. Commands: sudo find /usr/ -name "something*" Press CTRL + Z fg Youtube Link: ▶️ DTube ▶️ IPFS

Change to the directory you were last in, Linux Bash Terminal. Commands: cd /etc/NetworkManager/ cd - cd - Youtube Link: ▶️ DTube ▶️ IPFS