I'm unable to run yum command on my Linux machine.I'm getting the following errors:dispsim:~$ yumFailed to set locale, defaulting to CLoading rhnplugin pluginLoading security pluginerror: cannot open Packages index using db3 - Invalid argument (22)error: cannot open Packages database in /var/lib/rpmTraceback (most recent call last):  File /usr/bin/yum, line 29, in ?    yummain.main(sys.argv[1:])  File /usr/share/yum-cli/yummain.py, line 85, in main    base.getOptionsConfig(args)  File /usr/share/yum-cli/cli.py, line 163, in getOptionsConfig    disabled_plugins=self.optparser._splitArg(opts.disableplugins))  File /usr/lib/python2.4/site-packages/yum/__init__.py, line 164, in _getConfig    self._conf = config.readMainConfig(startupconf)  File /usr/lib/python2.4/site-packages/yum/config.py, line 685, in readMainConfig    yumvars['releasever'] = _getsysver(startupconf.installroot, startupconf.distroverpkg)  File /usr/lib/python2.4/site-packages/yum/config.py, line 752, in _getsysver    idx = ts.dbMatch('provides', distroverpkg)TypeError: rpmdb open failedRedhat-release is Red Hat Enterprise Linux Server release 5.2 (Tikanga)dispsim-1:~$ uname -aLinux dispsim 2.6.18-92.el5 #1 SMP Tue Apr 29 13:16:12 EDT 2008 i686 i686 i386 GNU/LinuxI also tried the following steps:1. su2. rm /var/lib/rpm/__db.00*3. rpm --rebuilddbBut this didn't resolve the issue. Any suggestions on this please?
'yum' command fails with 'TypeError: rpmdb open failed' in Red Hat 5.2
linux;rhel;yum