Is it possible to create CentOS 5.9 LiveCD on CentOS 6.4 system? I am trying but getting following errors (rpmdb related): <snip> Installing: cups-pdf ################### [ 692/1011] semodule: SELinux policy is not managed or store cannot be accessed. rpmdb: /var/lib/rpm/Packages: unsupported hash version: 9 error: cannot open Packages index using db3 - Invalid argument (22) error: cannot open Packages database in /var/lib/rpm Installing: bluez-utils-cups ################### [ 693/1011] <snip> Installing: firefox ################### [ 868/1011] warning: google-earth-stable-6.0.3.2197-0.i386: Header V4 DSA/SHA1 Signature, key ID 7fac5991: NOKEY Installing: google-earth-stable ################### [ 869/1011] rpmdb: /var/lib/rpm/Packages: unsupported hash version: 9 error: cannot open Packages index using db3 - Invalid argument (22) error: cannot open Packages database in /var/lib/rpm error: /tmp/google.sig.G17031: import failed. [ OK ] atd: [ OK ] job 1 at 2013-05-18 06:53 <snip> Installing: pam_passwdqc ################### [1010/1011] Installing: rdist ################### [1011/1011] rpmdb: Program version 4.7 doesn't match environment version 0.128 error: db3 error(-30971) from dbenv->open: DB_VERSION_MISMATCH: Database environment version mismatch error: cannot open Packages index using db3 - (-30971) error: cannot open Packages database in /var/tmp/imgcreate-NYkHAD/install_root/var/lib/rpm Program version 4.7 doesn't match environment version 0.128 Program version 4.7 doesn't match environment version 0.128 umount: /var/tmp/imgcreate-NYkHAD/install_root/proc: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) lazy umount succeeded on /var/tmp/imgcreate-NYkHAD/install_root//proc umount: /var/tmp/imgcreate-NYkHAD/install_root: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) Unmounting directory /var/tmp/imgcreate-NYkHAD/install_root failed, using lazy umount lazy umount succeeded on /var/tmp/imgcreate-NYkHAD/install_root loop: can't delete device /dev/loop10: Device or resource busy Traceback (most recent call last): File "/usr/bin/livecd-creator", line 150, in <module> sys.exit(main()) File "/usr/bin/livecd-creator", line 133, in main creator.install() File "/usr/lib/python2.6/site-packages/imgcreate/creator.py", line 666, in install ayum.runInstall() File "/usr/lib/python2.6/site-packages/imgcreate/yuminst.py", line 215, in runInstall ret = self.runTransaction(cb) File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 1596, in runTransaction self.verifyTransaction(resultobject, vTcb) File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 1625, in verifyTransaction if not self.rpmdb.contains(po=txmbr.po): File "/usr/lib/python2.6/site-packages/yum/packageSack.py", line 127, in contains return bool(self.searchNevra(name=name, arch=arch, epoch=epoch, ver=ver, rel=rel)) File "/usr/lib/python2.6/site-packages/yum/rpmsack.py", line 1197, in searchNevra return self._search(name, epoch, ver, rel, arch) File "/usr/lib/python2.6/site-packages/yum/rpmsack.py", line 1271, in _search mi = ts.dbMatch('name', name) _rpm.error: rpmdb open failed -- Ljubomir Ljubojevic (Love is in the Air) PL Computers Serbia, Europe StarOS, Mikrotik and CentOS/RHEL/Linux consultant