Memory
LVM Space
lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
Quest agent
apt install qemu-guest-agent -y
Disable resolver
systemctl disable systemd-resolved.service
systemctl stop systemd-resolved
Sudoers
user ALL=(ALL) NOPASSWD:ALL
Update and upgrade packages
apt-get update
apt-get upgrade -y
apt-get dist-upgrade -y
apt-get autoremove -y
Install some packages
apt-get install curl htop mc screen mtr tmux git vim build-essential zsh net-tools fail2ban mlocate -y
fzf
git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
~/.fzf/install
Samba, NFS
apt install cifs-utils -y
apt install nfs-common -y
Firewall
ufw allow http
ufw allow https
ufw allow ssh
ufw enable
ufw status
Docker
apt-get install apt-transport-https ca-certificates software-properties-common -y
curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
usermod -aG docker dock
Docker Compose
curl -L "https://github.com/docker/compose/releases/download/v2.16.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
Purge all uninstalled
apt-get purge $(dpkg -l | grep '^rc' | awk '{print $2}')
ZSH Prompt
PROMPT='%{$fg[$NCOLOR]%}%B%n%b@%m%{$reset_color%}:%{$fg[blue]%}%B%c/%b%{$reset_color%} $(git_prompt_info)%(!.#.$) '
