root@app-01:~# whoami 2>/dev/null
root
root@app-01:~# ps aux 2>/dev/null | head -15
PID TTY TIME CMD
1 ?...... 00:00:02 /sbin/init
445 ?...... 00:00:01 /usr/sbin/sshd -D
534 ?...... 00:00:03 /usr/sbin/nginx: master process
623 ?...... 00:00:00 /usr/sbin/cron -f
712 ?...... 00:00:01 /usr/sbin/mariadbd
845 ?...... 00:00:00 php-fpm: master process
925 ?...... 00:00:00 php-fpm: pool www
926 ?...... 00:00:00 php-fpm: pool www
1523 pts/0.. 00:00:00 -bash
root@app-01:~# cat /proc/net/dev 2>/dev/null | head -10
cat: /proc/net/dev: No such file or directory
root@app-01:~# ls -la / 2>/dev/null
d????-??-? 1 root root 12288 Jan 1 2024 bin
d????-??-? 1 root root 4096 Jan 1 2024 boot
d????-??-? 1 root root 4096 Jan 1 2024 dev
d????-??-? 1 root root 4096 Jan 1 2024 etc
d????-??-? 1 root root 4096 Jan 1 2024 home
d????-??-? 1 root root 4096 Jan 1 2024 lib
d????-??-? 1 root root 4096 Jan 1 2024 lib64
d????-??-? 1 root root 4096 Jan 1 2024 media
d????-??-? 1 root root 4096 Jan 1 2024 mnt
d????-??-? 1 root root 4096 Jan 1 2024 opt
d????-??-? 1 root root 4096 Jan 1 2024 proc
d????-??-? 1 root root 4096 Jan 1 2024 root
d????-??-? 1 root root 4096 Jan 1 2024 run
d????-??-? 1 root root 4096 Jan 1 2024 sbin
d????-??-? 1 root root 4096 Jan 1 2024 srv
d????-??-? 1 root root 4096 Jan 1 2024 sys
d????-??-? 1 root root 4096 Jan 1 2024 tmp
d????-??-? 1 root root 4096 Jan 1 2024 usr
d????-??-? 1 root root 4096 Jan 1 2024 var
root@app-01:~# cat /proc/mounts 2>/dev/null || mount | head -10
cat: /proc/mounts: No such file or directory
root@app-01:~# cat /proc/version 2>/dev/null
cat: /proc/version: No such file or directory
root@app-01:~# cat /etc/shadow 2>&1 | head -1
root:$6$fakehash$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:20494:0:99999:7:::
root@app-01:~# hostname 2>/dev/null || cat /proc/sys/kernel/hostname 2>/dev/null || cat /etc/hostname 2>/dev/null
app-01
root@app-01:~# pwd 2>/dev/null
/root
root@app-01:~# history 10 2>/dev/null || cat ~/.bash_history 2>/dev/null | tail -10
1 ls -la /var/www/
2 cat /etc/nginx/nginx.conf
3 systemctl status nginx
4 df -h
5 tail -f /var/log/nginx/access.log
6 ps aux | grep php
7 uptime
8 who