Mastering Linux Security and Hardening - Second Edition

View your sudo privileges

Are you unsure of what sudo privileges that you possess? Not to worry, you have a way to find out. Just run this command:

sudo -l

When I do this for myself, I first see some of the environmental variables for my account, and then I see that I have full sudo privileges:

donnie@packtpub1:~$ sudo -l [sudo] password for donnie: Matching Defaults entries for donnie on packtpub1: env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin  User donnie may run the following commands on packtpub1: (ALL : ALL) ALL donnie@packtpub1:~$

When Frank, my formerly feral flamepoint Siamese cat, does this for his account, he sees that he can only do the fdisk -l command:

frank@packtpub1:~$ ...