E: Type 'sudo' is not known on line 2 in source list /etc/apt/sources.list.d/balena-etcher.list
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
117623
Why do I need root-privileges to update my package manager's package list?
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/
58819
Sudo not available in guest login
135331
I changed /etc/sudoers, and now I can't run as sudo
118864
What exactly does sudo apt-get -f install do?
38110
Error sudo: add-apt-repository: command not found
23275
What is the correct output of cat /etc/apt/sources.list?
7525
Why isn't this sudo mv operation with wildcard working?
45541
How to fix sudo after "chmod -R 777 /usr/bin"?
95283
E: Malformed entry 54 in list file /etc/apt/sources.list (Component)
47738
Error after sudo-ing "sudo: must be setuid root"
146833
What does the error "X is not in the sudoers file. This incident will be reported." philosophically/logically mean?
35910
Why does sudo ignore aliases?
4711
Can't execute terminal commands: "the command 'sudo' is available in '/usr/bin/sudo'"
16116
How to modify an invalid '/etc/sudoers' file?
115722
Apt sources.list problem , packages not found?