Issue with login as regular user

Rocky Linux General
21

Ok, I have regular user being part of wheel and able to sudo commands
but now this:

> sudo dnf install rpmfusion-free-release
> Downloading Packages:
***> rpmfusion-free-release-8-0.1.noarch.rpm 79 kB/s | 9.7 kB 00:00 ***
> ----------------------------------------------------------------------------------------------
***> Total 20 kB/s | 9.7 kB 00:00 ***
> [Errno 13] Permission denied: '/bin/rpmkeys’

Or should I use YUM for this?

22

yum is dnf. Same program, two names.

Try sudo rpm --restore -a
(Haven’t used it, but it should reset permissions, uids, and caps of files back to what they should be according to the packages they came from.)

23

What are the permissions of /bin/rpmkeys ?

24

$ sudo rpm --restore -a
exec failed

25

root read and write
root group read only
others read only

26

you see why it can not work? no execution permissions. I would like to see the output of ls -l /bin/ to see if another permissions are mangled too, but maybe it’s a little too much for this thread, I don’t know.

27

ls -l /bin/

its all root and root
except one item root tty

28

OK, same permission problem with /bin/rpm ?

29

rpm has the same permissions as rpmkeys

$ ls -l /bin/
total 290296
-rwxr-xr-x. 1 root root 54992 Oct 21 03:28 ‘[’
lrwxrwxrwx. 1 root root 6 Apr 12 2021 a2x → a2x.py
-rwxr-xr-x. 1 root root 37017 Apr 12 2021 a2x.py
-rwxr-xr-x. 1 root root 30472 Apr 12 2021 ac
…

should I

chmod -R 755 /bin

as root?

30

The permissions from this output looks ok. not as you described the permissions of rpm or rpmkeys.

Fix the permissions manually.

# chmod +x /bin/rpm
# chmod +x /bin/rpmkeys

then you could try the command from jlehtone
btw. you can manually find files with no execution bit set with

$ find /bin/ -not -perm /111

maybe you want to get this list first (instead of ls -l /bin/)

31

Isn’t /bin just a symlink to /usr/bin? I’d rather fix in the latter.

32

[Errno 13] Permission denied: ‘/bin/rpmkeys’
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing ‘dnf clean packages’.
$ ls -l /bin/rpm
-rwxr-xr-x. 1 root root 21304 Nov 9 15:34 /bin/rpm
$ ls -l /bin/rpmkeys
-rwxr-xr-x. 1 root root 17232 Nov 9 15:34 /bin/rpmkeys

$ sudo chmod +x /bin/rpm
]$ sudo rpm --restore -a
exec failed

$ find /bin/ -not -perm /111
/bin/clevis-luks-common-functions
$ ls -l /bin/clevis-luks-common-functions
-rw-r–r–. 1 root root 31709 Oct 28 2020 /bin/clevis-luks-common-functions

$sudo chmod +x /usr/bin/rpm
$ sudo chmod +x /usr/bin/rpmkeys
$ sudo rpm --restore -a
exec failed

33

It doesn’t matter, does it?

34

This one is ok. your permissions seem OK.

35

But I still get
[Errno 13] Permission denied: ‘/bin/rpmkeys’
from
$ sudo dnf install rpmfusion-free-release
and
$ sudo dnf install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpm
regardless

36

Yes, but not because the file permissions. I don’t know what’s going on.
Some ideas for next steps:

check the permissions of directories /usr/bin and /usr
look for selinux AVCs
try without sudo but with root
maybe try without the non default polyinstantiation, turn it off again.
try other rpm commands like $ rpm -qa … does this fail too?
check for errors in the log, e.g.:

# journalctl -p err
37

Thanks, I’ll try next year