E: Type 'sudo' is not known on line 10 in source list /etc/apt/sources.list.d/signal-xenial.list
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
46720
sudo apt update error: "Release file is not yet valid"
111046
sudo: /var/lib/sudo/navneet writable by non-owner (040777), should be mode 0700
107312
How to use shell wildcards with sudo?
41384
Some programs not found when used with sudo
69960
What is sudo apt-get -f install?
89652
Lost access to sudo
119015
Sudo doesn't work on Aliases
28333
Why can't sudo redirect stdout to /etc/file, but sudo 'nano' or 'cp' can?
80078
How can I fix broken sudo - sudo: parse error in /etc/sudoers near line 23?
103929
sudo apt upgrade error 18.04 (Broken Packages)
127668
"Unable to locate package sudo" when i try to install sudo on new Debian
141712
Fixing /etc/sudoers file
47119
Sudo comes up with an error, cannot run anything as root
45541
How to fix sudo after "chmod -R 777 /usr/bin"?
31899
" sudo: source: command not found"
58819
Sudo not available in guest login