Do you know what your Proxmox server is actually running?
Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.
The SSHStalker Linux botnet has ensnared 7,000 systems, deploying various scanners and malware, an IRC bot, and multiple kernel exploits.
Enable the Linux terminal on any Android device, and you can create or practice your bash scripting on the go.