Archive:

Month: August 2022


NFS_v4 stall, how to rescure without reboot

By: | Post date: August 19, 2022 | Comments: No Comments

Posted in categories: Computer Tips, Work related

Sometimes your NFS mount stopped response. You cannot umount normally, if you use umount -l to unmount it, you cannot mount it again, Mounting attempt stalls too. The suggestion on the interenet was to just reboot the client. But you may have important jobs or services on it and you really do not want to. […]

dnf install/update fail with error rpmdbNextIterator skipping Header V3 RSA/SHA1 Signature BAD

By: | Post date: August 9, 2022 | Comments: No Comments

Posted in categories: Computer Tips, Work related

Sometimes when an dnf update was unexpectedly terminated like a power failure, the system may leave an inconsistent rpm database. If this happens, in most case by rebuilding rpm database (rpmdb –rebuilddb), and to use (package-cleanup –cleandupes), it could be fixed. For some severe case, after both, when you are trying to run (dnf update […]