ls: cannot access '/usr/bin/sudo': No such file or directory ls: cannot access '/usr/bin/pkexec': No such file or directory -rwsr-xr-x 1 root root 44664 Nov 29 2022 /bin/su uid=1837244(iqcent__iqnschoolsnru__pz) gid=601(newcustomers) groups=601(newcustomers),2236(iqcent) lrwxrwxrwx 1 root root 9 Oct 25 2018 /usr/bin/python3 -> python3.6 -rwxr-xr-x 2 root root 4526456 Mar 10 2023 /usr/bin/python3.6 -rwxr-xr-x 2 root root 4526456 Mar 10 2023 /usr/bin/python3.6m -rwxr-xr-x 2 root root 4852896 Dec 9 2021 /usr/bin/python3.7 -rwxr-xr-x 2 root root 4852896 Dec 9 2021 /usr/bin/python3.7m lrwxrwxrwx 1 root root 10 Oct 25 2018 /usr/bin/python3m -> python3.6m ls: cannot access '/usr/bin/gcc*': No such file or directory