$ ssh -i ~/.ssh/id_ed25519 root@lax.cn2.example
The authenticity of host 'lax.cn2.example (192.0.2.42)' can't be established.
ED25519 key fingerprint is SHA256:XkJ8aP9q3vRtKL5wMnB8/uH7zV2cD4fE6gH8iJ0kL1m
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'lax.cn2.example' (ED25519) to the list of known hosts.
[+] handshake complete · curve25519-sha256 · 256-bit AES-GCM
[+] authenticated as root via publickey (ed25519)
Last login: Wed May 9 14:21:33 2026 from 10.0.0.42
Welcome to Ubuntu 24.04.1 LTS (GNU/Linux 6.8.0-31-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/pro
System load: 0.86 Processes: 151
Usage of /: 42.8% of 78.65GB Users logged in: 1
Memory usage: 49% IPv4 address for eth0: 10.0.4.18
Swap usage: 0% IPv4 address for docker: 172.17.0.1
[!] 47 updates can be applied immediately.
[!] 18 of these updates are standard security updates.
root@lax-cn2:~# uptime
14:23:11 up 47 days, 3:12, 1 user, load average: 0.86, 0.42, 0.18
root@lax-cn2:~# free -h
total used free shared buff/cache available
Mem: 15Gi 7.2Gi 4.1Gi 256Mi 3.7Gi 7.6Gi
Swap: 2.0Gi 0B 2.0Gi
root@lax-cn2:~# docker ps
CONTAINER ID IMAGE STATUS PORTS NAMES
8f00a8b2c1d4 nginx:alpine Up 12 days 0.0.0.0:80->80/tcp, :443/tcp edge-proxy
af02c2ce5612 redis:7.2 Up 8 days 6379/tcp cache-1
b7c3d9012abc postgres:16 Up 47 days 5432/tcp db-primary
e4a89102fb45 node:20-alpine Up 3 hours 0.0.0.0:3000->3000/tcp api-server
root@lax-cn2:~# top -bn1 | head -8
top - 14:23:21 up 47 days, 3:13, 1 user, load average: 0.86, 0.42, 0.18
Tasks: 218 total, 1 running, 217 sleeping, 0 stopped, 0 zombie
%Cpu(s): 3.5 us, 0.7 sy, 0.0 ni, 95.6 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 15843.4 total, 4128.9 free, 7298.2 used, 3812.4 buff/cache
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1024 root 20 0 812456 98432 12784 S 2.3 0.6 4:32.17 nginx
2048 redis 20 0 216584 42816 3920 S 0.7 0.3 1:18.42 redis-server
3072 postgres 20 0 1248192 152384 98208 S 0.3 1.0 18:42.81 postgres
root@lax-cn2:~# ls -la /var/log/nginx/
total 24K
drwxr-xr-x 2 root root 4.0K May 9 14:00 .
drwxr-xr-x 14 root root 4.0K May 9 06:25 ..
-rw-r----- 1 root adm 8.4K May 9 14:23 access.log
-rw-r----- 1 root adm 1.2K May 9 14:00 error.log
root@lax-cn2:~# █
[ EOF // ~ ]