Yum stands for Yellowdog Updater Modified, using this tool installing, removing, updating software packages on RHEL, CentOS, Fedora and etc.

Whenever you may received following error while installing package or update in your CentOS or Fedora,

You may get an error when you run yum update command. There was a problem importing one of the Python modules required to run yum. The error leading to this problem was, No module named pycurl.

There is an easily way to check whether your server is vulnerable by the following command,

If you have received an error when you update your system packages or a install any new package using yum command, rpmdb: Failed Thread Died in Berkeley DB Library in Linux

When you updating server packages or install any software in your Linux system shows below error,

We able to download the packages by YUM command without any installing it. There are two ways,