apt update && apt -V upgrade && apt autoremove
apt install tmux mc wget curl chrony sudo duf htop -y
echo 'export LS_OPTIONS="--color=auto"' >> /root/.bashrc
echo 'eval "$(dircolors)"' >> /root/.bashrc
echo 'alias ls="ls $LS_OPTIONS"' >> /root/.bashrc
echo 'alias ll="ls $LS_OPTIONS -l"' >> /root/.bashrc
echo 'alias l="ls $LS_OPTIONS -lA"' >> /root/.bashrc
echo 'export PATH=$PATH:/usr/sbin' >> /root/.bashrc
echo 'LS_COLORS="$LS_COLORS:di=1;33:"; export LS_COLORS' >> /root/.bashrc #yeloow color dir
timedatectl set-timezone 'Europe/Kiev'
echo 'server time.ntp.org.ua iburst' >>/etc/chrony/chrony.conf
echo 'server pool.ntp.org.ua iburst' >>/etc/chrony/chrony.conf
systemctl start chrony && systemctl enable chrony
sudo sed -i '/^# User privilege specification$/a exch_adm ALL=(ALL) NOPASSWD: ALL' /etc/sudoers
source ~/.bashrc
echo 'export HISTSIZE=10000' >> ~/.bashrc
echo 'export HISTTIMEFORMAT="%h %d %H:%M:%S "' >> ~/.bashrc
echo 'PROMPT_COMMAND="history -a"' >> ~/.bashrc
echo 'export HISTIGNORE="ls:ll:history:w:htop:pwd"' >> ~/.bashrc
echo "PS1='${debian_chroot:+($debian_chroot)}\u@NAME:\w\$ '" >> ~/.bashrc
C - осознаный комментарий | f - путь и имя файла с ключем
ssh-keygen -t ed25519 -C "My Debian"
ssh-keygen -t ed25519 -f ~/.ssh/mykey -C "My Debian"
Скопировать ключ на удаленный сервер
ssh-copy-id -i ~/.ssh/id_ed25519.pub root@server2
или
cat ~/.ssh/id_ed25519.pub >> ~/.ssh/authorized_keys
cat ~/.ssh/id_ed25519
apt install cockpit sysstat dstat htop iftop ifstat gdisk -y
cockpit ip:9090