effective uid is not 0, is sudo installed setuid root?
787
Why is "chmod -R 777 /" destructive?
24354
Create user ID `root` to force `gedit` to create user configuration file
135035
How to fix the UUID in Grub after restore from another machine?
140231
How to get back sudo on Ubuntu?
18926
Type 'sudo' is not known in source list
133789
Why does `sudo -i` but not `sudo` remove newline characters?
79330
what does "sudo apt-get install aptitude" do?
86511
How do Ubuntu and Debian manage $HOME for users with sudo privileges?
117067
How can I lower the delay after incorrectly entered login and sudo passwords?
123450
How to fix Terminal error DYLD_ environment variables being ignored because main executable (/usr/bin/login) is setuid or setgid?
22069
What is the difference between sudo X and running X as root?
157360
Is there ever a good reason to run sudo su?
67038
I can use sudo but I can't use su due to a password Authentication failure, shouldn't both be the same password?
50724
Why doesn't "sudo su" in a shell script run the rest of the script as root?
66647
How do I add a user to the "sudo" group?
119015
Sudo doesn't work on Aliases
35910
Why does sudo ignore aliases?