Net/Repo/Alias/Arc

ifconfig -a | grep ether | gawk '{print $2}'

curl ifconfig.me

hostname -I

nmap -sn 192.168.1.0/24 | grep "Nmap scan report for" | awk '{print $NF}' | tr -d '()'

sudo systemd-resolve --flush-caches

с 8000 порта уд.сервера на локальный порт 8000

ssh -i ~/.ssh/<key> <ip> -lroot -L 8000:127.0.0.1:8000

sudo systemctl list-units --type=service --all | grep <name>

dpkg -l | grep <name>

sudo apt remove --purge package_name
sudo apt autoremove

sudo yum install yum-plugin-remove-with-leaves
sudo yum remove package_name  --remove-leaves

sudo sh -c "echo 'clean_requirements_on_remove=1' >> /etc/yum.conf"
sudo yum remove "package_name*"
sudo yum autoremove

# Debian
sudo apt-add-repository --r ppa:nilarimogard/webupd8

# Redhat
sudo rm /etc/yum.repos.d/"repo_name*"

sudo apt-key list
sudo apt-key del '1641 6B76 CB22 062C 8A2A  5F99 F4A7 CFE6 A3FA 5D6A'

# Создать Alias [временный]
alias name='command'

# Удалить Алиас
unalias name

# Создать Alias [постоянный]
echo alias name='command' >> ~/.bashrc
exit

# Применить bashrc без перезагрузки
. ~/.bashrc