Does Ubuntu store sudo password in cache?
45275
sudo credential caching on by default
134935
Root access that can't change root password?
20355
Sudo is also user login password - why? how to change?
140231
How to get back sudo on Ubuntu?
111479
How do you keep the password hidden when invoked during the su command?
109370
Password not working in Graphical Applications (gksu)? Works with sudo
78141
Sudo vs root; any actual differences?
90669
How to make super-user permissions last longer than using sudo?
137008
How do I run a sudo command needing password input in the background?
23792
How to enter password only once in a bash script needing sudo
109241
How to set a short password on Ubuntu?
71851
How to temporarily disable sudo credentials timestamp timeout?
150103
How can I retrieve an entry from /etc/passwd for a given username?
125940
sudo with password in one command line?
99370
Why does Ubuntu force users to create a password upon installation?
145864
How do I get Ubuntu to ask me for a password at login again?
14331
Cache the password if SSH-keys are forbidden