It's not able to upgrade from x86_64 SL40 to SL41 by yum. The error message is "Header is not complete". rpmdb-SL-41-0.20050808.x8 100% |=========================| 4.3 kB 00:00 ftp://ftp.scientificlinux.org/linux/scientific/41/x86_64/SL/RPMS/rpmdb-SL-41-0.20050808.x86_64.rpm: [Errno -1] Header is not complete. Trying other mirror. Error: failure: rpmdb-SL-41-0.20050808.x86_64.rpm from sl-base: [Errno 256] No more mirrors to try. I follow the steps of upgrade HOWTO URL https://www.scientificlinux.org/documentation/howto/upgrade 1. rpm -Uvh ftp://ftp.scientificlinux.org/linux/scientific/41/x86_64/SL/RPMS/yum-conf-41-4.SL.noarch.rpm 2. yum update yum **** Updated: yum.noarch 0:2.2.2-1.SL Complete! 3. yum upgrade ****** rpmdb-SL-41-0.20050808.x8 100% |=========================| 4.3 kB 00:00 ftp://ftp.scientificlinux.org/linux/scientific/41/x86_64/SL/RPMS/rpmdb-SL-41-0.20050808.x86_64.rpm: [Errno -1] Header is not complete. Trying other mirror. Error: failure: rpmdb-SL-41-0.20050808.x86_64.rpm from sl-base: [Errno 256] No more mirrors to try. Regards Blade Tank Administrator Connie Sieh ´£¨ì: >Scientific Linux 4.1 for x86_64 Release Candidate 2.75 August 8, 2005 > >Located at > >ftp://ftp.scientificlinux.org/linux/scientific/41/x86_64/ >ftp://ftp.scientificlinux.org/linux/scientific/41/iso/x86_64/ > > >ITEMS that have changed since last 40rolling for x86_64 >----------------------------------------------------------------------------- >fontconfig had to be recompiled so the the md5sum of fonts-conf matched >for both i386 and x86_64, since they both were the same file otherwise there >were yum install problems. > > fontconfig-2.2.3-7.SL4.i386.rpm > fontconfig-2.2.3-7.SL4.x86_64.rpm > fontconfig-devel-2.2.3-7.SL4.x86_64.rpm > >ERRATA since last 40rolling >----------------------------------------------------------------------------- > irb-1.8.1-7.EL4.1.x86_64.rpm > ruby-1.8.1-7.EL4.1.x86_64.rpm > ruby-devel-1.8.1-7.EL4.1.x86_64.rpm > ruby-docs-1.8.1-7.EL4.1.x86_64.rpm > ruby-libs-1.8.1-7.EL4.1.x86_64.rpm > ruby-libs-1.8.1-7.EL4.1.i386.rpm > ruby-mode-1.8.1-7.EL4.1.x86_64.rpm > ruby-tcltk-1.8.1-7.EL4.1.x86_64.rpm > squirrelmail-1.4.3a-12.EL4.noarch.rpm > >-Connie Sieh >-Troy Dawson > >