Epics Installation At Raspberry Pi From Scratch Clear Log And Ssh

Introduction

ssh_

• delete and regenerate global keys
  

([ -f /var/log/regen_ssh_keys.log ] && sudo rm /var/log/regen_ssh_keys.log || : ; ) && 
                  sudo rm /etc/ssh/ssh_host* && 
                  sudo ssh-keygen -A
                 

• check ~/.ssh/authorized_keys
  • optionally delete it :
    [ -f ~/.ssh/authorized_keys ] && rm ~/.ssh/authorized_keys
• check ~/.ssh/known_hosts
  • optionally delete it :
    [ -f ~/.ssh/known_hosts ] && rm ~/.ssh/known_hosts

clear logs

• Before creating the next image,
  • Remove zipped files,
    clear all logs:, and
    history
    

    sudo su -c '(find /var/log -name "*.gz" -delete && for item in $(find /var/log/ -type f | grep -v git-daemon | grep -E -v '\.1$' ); do sudo cat /dev/null > $item;  done && history -c )'
       

    history -c