How do I know my system is broken after chown -R root usr/bin?
3760
What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)
119509
How to check whether systemd is unmounting my device? (and why?)
458
How can I be sure that a directory or file is actually deleted?
85077
How can I tell, from the command line, whether the machine requires a reboot?
52133
Difference between /bin and /usr/bin
66222
'sudo' not working after changing the permissions of '/usr' directory
75275
Ubuntu 17.10 kernel panic not syncing: VFS: unable to mount root fs on unknown-block(0,0)
4096
How to revert chown command?
38815
chown -R root.root /
82144
How to check disks at startup (alternative to chkdsk c: /f on Windows)
54485
How can I detect and delete all lost configuration folders?
45541
How to fix sudo after "chmod -R 777 /usr/bin"?
94401
What's the frequency of filesystem check on boot?
152973
Where to find description of all "/system/bin/service" calls?
100406
Is there any way to figure out which file is changed by chkdsk to replaced bad cluster?
120
How do I restore the default repositories?
5342
How can I check if a package is installed (no superuser privileges)?