How do I know if I'm in a jail, container, snapshot, etc. environment?
125289
Ubuntu user disappeared from machine
136607
Simple jail for user with open-ssh
11734
How to check for file lock?
49852
How do I know if I'm working on a Virtual Machine or not?
12538
How do I detect that an iOS app is running on a jailbroken phone?
9004
How to list files installed by a snap package?
120413
How can I detect if the shell is controlled from SSH?
93277
How to find out what init mode system is using?
122787
How to check whether a Storage item is set?
21136
How to know what program is listening on a given port?
53439
How do I know which file a program is trying to access?
30228
How do I check which shell I am using?
64083
How can I tell which release my org is running?
151411
How can I know if a virtual package is "installed" on a Debian system?
96491
check storage engine from shell
95193
Find out current working directory of a running process?
41325
How to find exe listening on port?