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This page contains information explaining how to upgrade Fedora using {{command|yum}}.

{{admon/caution|Although upgrades with yum have been tested and work, live upgrades are not recommended by the Fedora Project. If you are not prepared to resolve issues on your own if things break, you should probably use the recommended installation methods instead.}}

The recommended installation method is with a boot media with the Anaconda installer as detailed in the [http://docs.fedoraproject.org/install-guide/ Installation Guide]. [[PreUpgrade]] is a slightly different upgrade method where the all packages are downloaded before the system is rebooted into the Anaconda installer.

When upgrading with yum you don't get any help from Anaconda, but if you are lucky you might be able to upgrade systems remotely over ssh and with limited downtime. (You will still need to reboot to get the new kernel and system libraries/services running) Rebooting after such an upgrade is always very exciting.

A live upgrade with yum usually works well with a typical installation and when following the advice below. 

== Participate ==

If you are upgrading using Yum and it shows up any general dependency issues, please file them in http://bugzilla.redhat.com. But please read this page and all references pages and search the mailing list archives before filing bugs. And of course, please help keeping this page updated.

If you want to help make live upgrades work smoothly, join the [[SIGs/LiveUpgrade Live Upgrade Special Interest Group]].

== Instructions to upgrade using yum ==

=== 0.  Back up your system ===

Back up any personal data to an external hard drive or to another machine.  If there is some unrecoverable error that requires a fresh install, you don't want to lose any data.

=== 1. Read about common problems ===

Further down in this page there's a list of common problems for specific versions. Some of them require attention before the upgrade.

General advice on upgrading Fedora can be found on the [[Upgrading]] page. You should also read the [http://docs.fedoraproject.org/install-guide/ Installation Guide] and [http://docs.fedoraproject.org/release-notes/ Release Notes] for the version you upgrade to - they contain important information regarding upgrading issues. Finally, check the list of [[Common {{FedoraVersion|short}} bugs]].

=== 2. Clean Stuff ===

Review and remove all .rpmsave and .rpmnew files before and after upgrading. (And if you have selinux enabled then remember to check security context if you move config files around.)

{{admon/tip|Find unused config files|Merge and resolve the changes found by the following script: <code>for a in $(find /etc /var -name '*.rpm?*'); do diff -u $a ${a%.rpm?*}; done</code>.}}

Now is a good time to remove packages you don't use - especially non-standard packages.

{{admon/tip|Find and review "unused" packages| You can find packages not required by other packages with the tool <code>package-cleanup</code> from the <code>yum-utils</code> package: <code>yum install yum-utils; package-cleanup --leaves</code>. These packages could be candidates for removal, but check if you use them directly or if they are used by applications not backed by rpm packages. Remove them with <code>yum remove package-name-and-version</code>. 
}}

{{admon/tip|Find and review "lost" packages| You can find orphaned packages (ie packages not in the repositories anymore) with: <code>package-cleanup --orphans</code>. This will also show packages which have been partially uninstalled but where the "%postun" script failed.}}

Make sure you have the <code>yum-fastestmirror</code> package installed so that yum uses the "best" mirror.

<pre>
yum install yum-fastestmirror
</pre>

Then remove all traces of the version you are leaving from the yum cache in <code>/var/cache/yum</code>.

<pre>
yum clean all
</pre>

=== 3. Switch repositories ===

Update the packages that decide which yum repositories to use.

<pre>
rpm -Uhv ftp://download.fedora.redhat.com/pub/fedora/linux/releases/<ReleaseNumber>/Fedora/<Arch>/os/Packages/fedora-release-*.noarch.rpm
</pre>

(The architecture doesn't matter for this <code>noarch</code> package.)

'''Note:''' Some users have reported that attempting to download through rpm returns a response 550 and "transfer failed" messages.  If this is the case, you can download the rpms and install locally.  Consider:
<pre>
wget ftp://download.fedora.redhat.com/pub/fedora/linux/releases/<ReleaseNumber>/Fedora/<Arch>/os/Packages/fedora-release-*.noarch.rpm
rpm -Uvh fedora-release-*.noarch.rpm
</pre>

Make sure the new repo files isn't placed as <code>.rpmnew</code> files, perhaps by

<pre>
mv /etc/yum.repos.d/fedora-updates.repo.rpmnew /etc/yum.repos.d/fedora-updates.repo
mv /etc/yum.repos.d/fedora.repo.rpmnew /etc/yum.repos.d/fedora.repo
</pre>

If you have 3rd party repositories configured, you may need to adjust them for the new Fedora version. If you switch from one Fedora release to another there is often nothing that needs to be done.  If you switch to Rawhide from a standard Fedora release (or vice versa) then you most of the time need to install the Rawhide release RPMs from the 3rd party repository as well (or the standard ones, if switching back).

Note that the upgrade is likely to fail if there are outdated dependencies from packages not backed by a yum repository or backed by a repository which isn't ready for the new version.

=== 4. Do the upgrade ===

If using selinux make sure it is in permissive mode - neither disabled nor enforcing.

It is a good idea to do the upgrade outside the graphical environment. Log out of your graphical desktop and then go to a text console

<pre>
ctrl + alt + F2
</pre>

log in as root, and go into runlevel 3

<pre>
telinit 3
</pre>

{{admon/warning|Once a live upgrade is started do not stop the upgrade by rebooting, killing the process, or by any other method until it is complete, doing so will cause the affected system to be in a mixed state. Partially the old release and partially the new release.  In this state the system will not be reliable and will not operate as expected.  The only way to recover from this is to reinstall if it occurs.}}

{{admon/tip|Update important packages first| You can start try to update the update machinery first with <code>yum update rpm\* yum\*</code>. Another idea is to start with <code>glibc</code>. In both cases dependencies might however expand it to an almost full upgrade anyway. And doing a full upgrade might be more safe. YMMV. (In particular, do not upgrade rpm and yum separately if upgrading to a system with a different version of python e.g. 2.4 to 2.5.)
}}

Upgrade all packages with

<pre>
yum upgrade
</pre>

<code>yum</code> might complain about conflicts or requirements. That is probably because you have used non-standard repositories or installed non-standard packages manually. Try to guess which packages cause the problem (or at least is a part of the dependency chain) - uninstall them and try again. Remember to install the packages again if they are essential.

Ensure that all (new) essential packages from the new version is installed with

<pre>
yum groupupdate Base
</pre>

You might want to update other groups too, see

<pre>
yum grouplist
</pre>

For example

<pre>
yum groupupdate "GNOME Desktop Environment" \
"Development Tools" "Server Configuration Tools" \
"Hardware Support" "Sound and Video" \
"Graphical Internet" "Fonts" \
"Games and Entertainment" "Printing Software" \
"Administration Tools" "Office/Productivity" "System Tools"
</pre>

=== 5. Preparing for reboot ===

Before booting you should usually install the bootloader from your new grub by running
<pre>
/sbin/grub-install BOOTDEVICE
</pre>
- where BOOTDEVICE usually is <code>/dev/sda</code> (If you get an error '/dev/sda does not have any corresponding BIOS drive' from that, then try <tt>/sbin/grub-install --recheck /dev/sda</tt>.)

Also, the order of init scripts could have changed from the previous version. A command to reset the order is:
<pre>
cd /etc/rc.d/init.d; for f in *; do /sbin/chkconfig $f resetpriorities; done
</pre>

Again, run <code>package-cleanup --orphans</code> to find packages that hasn't been upgraded.

== Version specific notes ==

=== From pre-release ===

If you are upgrading to a final release from an alpha, beta, preview, or other [[Releases/Rawhide|Rawhide]] release, please see [[Upgrading from pre-release to final]].

{{Anchor|11-12}}
=== Fedora 11 -> Fedora 12 ===

* All Fedora 12 RPM packages use XZ/LZMA compression, which is only supported by the [https://admin.fedoraproject.org/updates/F11/FEDORA-2009-7986 rpm-4.7.1-1 update] (or later) for Fedora 11. Before upgrading from Fedora 11, run <code>yum update rpm</code>.
* It is not possible to update directly from Fedora 10 or earlier with yum. To upgrade from Fedora 10, first update to Fedora 11, and then upgrade from Fedora 11 to Fedora 12. If you are using a release before Fedora 10, use one of the official upgrade methods or backup your data, perform a fresh installation, and restore from backup.
* Upgrades from Fedora 11 might currently fail with missing dependencies (for example related to {{package|totem-gstreamer}} or {{package|PolicyKit-kde}}). The dependencies are ok, but Fedora 11 {{package|yum}} has problems resolving them ([[rhbug:519172|bug 519172]]).
* If your root filesystem does not mount with 'defaults' options, you will need to add the root filesystem's mount options to grub.conf with the kernel flag <code>rootflags</code> - initramfs does not pick up the options the way initrd used to.  e.g. if you mount your root with the flags <code>data=journal,relatime</code> then you would add to the end of the 'kernel' line in grub.conf: <code>rootflags=data=journal,relatime</code> .

{{Anchor|10-11}}

=== Fedora 10 -> Fedora 11 ===

* It is only possible to upgrade to Fedora 11 from an updated Fedora 10. Older systems must be upgraded to Fedora 10 first. The RPM format has been changed for Fedora 11, so the older <code>rpmlib</code> must be updated first.  Otherwise the process will fail with <code>rpmlib(FileDigests)</code> dependency problems. Support for the new format has been backported to Fedora 10 in an update.
<pre>
yum update rpm
</pre>
* New <code>initrd</code> built when installing a new kernel while running Fedora 10 might fail. To solve that boot with an old kernel (to get the new userspace) and (re)install the new kernel.
* Systems with PAE support (indicated by <code>pae</code> in <code>/proc/cpuinfo</code>) should use <code>kernel-PAE.i686</code>. The new kernel must be changed/installed manually: Set <code>DEFAULTKERNEL=kernel-PAE</code> in <code>/etc/sysconfig/kernel</code> and <code>yum install kernel-PAE</code>. Refer to [http://www.codemonkey.org.uk/?p=142 Dave Jones' blog post] for details.
* The yum update step should NOT be run inside a gnome desktop session/gnome-terminal. [[rhbug:494046|494046]] could result in a unusable install when gnome-terminal segfaults during the upgrade. Update should be run in a vty, runlevel 3, or a screen session.
* fedora-release-11-1.noarch changes the yum mirrorlist URL so that it uses a  "metalink", but the version of yum currently in F10 doesn't understand this syntax, leading to yum downloads failing with this error message:
 YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
  Eg. </metalink>/
This is [[rhbug:498720|498720]].  Workaround is to manually edit the URL in /etc/yum.repos.d/fedora.repo as described at https://www.redhat.com/archives/fedora-list/2009-June/msg00783.html
* Some packages in Fedora 10 are regarded as newer than those supplied by Fedora 11 and its updates repository. These include ntpd, ntpdate ([[rhbug:506040|506040]], [[rhbug:504980|504980]]), unique, unique-devel, eclipse-changelog, eclipse-svnkit and svnkit. You may wish to remove these before performing the upgrade, then reinstall them afterwards. Doing so may require <code>--nodeps</code>.
* Some i386 packages in Fedora 10 are replaced with i586, i686 or x86_64 packages in Fedora 11. These include gpm.i386, glibc-2.9-3.i386. You may wish to remove these before performing the upgrade, then reinstall them afterwards. Doing so may require <code>--nodeps</code>.
* mplayer-1.0-0.104.20090204svn.fc10 from the RPM Fusion repository has a dependency on libfaad.so.0 that the depsolve doesn't find, but rpm_check_debug does. You may wish to remove mplayer before performing the upgrade, then reinstall them afterwards. Doing so may require <code>--nodeps</code>.

{{Anchor|9-10}}

=== Fedora 9 -> Fedora 10 ===

* Check the [http://docs.fedoraproject.org/install-guide/f10/en_US/ Fedora 10 Installation Guide] and [http://docs.fedoraproject.org/release-notes/f10/en_US/ Fedora 10 Release Notes]
* <code>fedora-release</code> packages can be found at <code>rpm -Uvh ftp://download.fedora.redhat.com/pub/fedora/linux/releases/10/Fedora/i386/os/Packages/fedora-release-*.noarch.rpm</code>
* GDM starts on tty1 by default, not tty7.
* anaconda by default now refers to encrypted devices by UUID, not by device name, to better handle device name changes. An encrypted device using partition <code>/dev/sda1</code> with UUID <code>12345678-1234-1234-1234-123456789012</code> would now be called <code>/dev/mapper/luks-12345678-1234-1234-1234-123456789012</code> instead of <code>/dev/mapper/luks-sda1</code>. You may wish to make the same changes on your system on upgrade; if you do, make sure to run <code>mkinitrd</code> afterwards.
* If you use non-root encrypted devices, you will need to re-run <code>mkinitrd</code> for any older kernels that you want to still boot on the system.
* It's been reported that there are problems with Pidgin i.e.:
** <code>pidgin-2.5.2-2.fc9.i386 from installed has depsolving problems - Error: Missing Dependency: libedataserver-1.2.so.9 is needed by package pidgin-2.5.2-2.fc9.i386 (installed)</code>
** the fix was to remove Pidgin

{{Anchor|8-9}}
=== Fedora 8 -> Fedora 9 ===

* Check the [http://docs.fedoraproject.org/release-notes/f9/en_US/sn-Installer.html#Upgrade-Related-Issues Installer section in Release Notes])
* After "the incident" you should use updated fedora-release packages from <code>rpm -Uvh ftp://download.fedora.redhat.com/pub/fedora/linux/updates/9/i386.newkey/fedora-release-*.noarch.rpm</code>
* If you are running as a <code>xen</code> Host (Dom0) you should not upgrade to Fedora 9. [http://www.redhat.com/archives/fedora-xen/2008-March/msg00013.html] 
* Upgrading the thunderbird package will [[rhbug:446351|fail]] . The current workaround is <code>yum remove thunderbird; yum install thunderbird></code>.
* If you are upgrading to Fedora 9 and use <code>emacs</code>, you must upgrade to the latest version of <code>emacs</code> for your prior release to ensure a clean upgrade. Fedora 8 users must have <code>emacs-22.1-10.fc8</code> or later, while Fedora 7 users must have <code>emacs-22.1-7.fc7</code>.  Bug report [[rhbug:239745|here]].
* Due to the switch from sysvinit to [http://fedoraproject.org/wiki/Features/Upstart Upstart] , it is recommended that users who do an upgrade on a live filesystem to Fedora 9 reboot soon afterwards. If you do not reboot, you may want to take careful note of any '/etc/inittab.rpmsave' or '/etc/inittab.rpmnew' files. When rebooting after an upgrade then be aware that sysvinit that was used to start the system can't be used to shut it down.
* You may find that after upgrading, you can no longer log in to GNOME. If this is the case, use ctrl-alt-F1 to access command prompt, then check the tail of .xsession-errors. If you see a comment like "(named color or font does not exist)", then you may be able to fix this using http://matthew.peach.net.nz/2008/05/18/how-to-fix-badname-named-color-or-font-does-not-exist-error/.

{{Anchor|7-8}}
=== Fedora 7 -> Fedora 8 ===

* New pulseaudio and flash support packages must be installed manually:

<pre>
yum groupinstall sound-and-video gnome-desktop (if you are using Gnome)
yum groupinstall sound-and-video kde-desktop (if you are using KDE)
yum install libflashsupport paman padevchooser
</pre>

* The Fedora 7 avahi packagage fails to uninstall; remove it manually with

<pre>
rpm -e --noscripts avahi-0.6.17-1.fc7
</pre>

* On 64 bit machines (x86_64) you may have to remove some 32 bit libraries. For example dbus:

<pre>
yum erase dbus.i386
</pre>

* You may find it easier to use the yum shell to stack these commands in a single transaction:

<pre>
yum shell
> erase dbus.i386
> update
> run
</pre>

* A lot of KDE packages are no longer multilib in F8. If you are on x86_64, you will need to erase the i386 versions of these packages by hand, like so:

<pre>
yum erase kde{accessibility{,-devel},base,edu,graphics,multimedia{,-extras},network,sdk,utils{,-devel},webdev}.i386
</pre>

* Various other packages including Beryl are no longer in F8 and not obsoleted:

<pre>
yum erase beryl\*
</pre>

{{Anchor|6-7}}
=== Fedora Core 6 -> Fedora 7 ===

* Fedora 7 replaces the old IDE subsystem with libata. Drive device names which previously started /dev/hd.. will become /dev/sd.. after the upgrade. /dev/hda1 will usually become /dev/sda1, although there may not be a direct relationship between the old and new device names (for example hdd does not necessarily become sdd). Before you reboot be sure to change all references to /dev/hd.. in your config, especially /etc/fstab - where it however may be simpler to refer to filesystems by label (check out the programs blkid, tune2fs, and mlabel). LVM Volume names are not affected. In /boot/grub/device.map change /dev/hd.. to /dev/sd.. before running grub-install - and don't change (hd0). Changing /boot/grub/grub.conf may also be required.

* The libata layer represents all hard disks as SCSI disks, which are limited to 15 partitions in the kernel. IDE hard disks with more than 15 partitions are not supported in Fedora 7.

* On a system which has been upgraded from releases prior to FC6 you may need to remove up2date and rhnlib <code>rpm -e rhnlib up2date</code>

* If you see the message <code>package gpm-1.20.1-84.fc6 (which is newer than gpm-1.20.1-83.fc7) is already installed</code> when performing a <code>yum update</code> uninstall and reinstall the gpm package.

* If you had installed Suns jre it might be removed during upgrade. Be aware that <code>jre-6u1</code>/<code>jre-1.6.0_01-fcs</code> requires <code>compat-libstdc++-33</code>.

* If you get <code>Error: Missing Dependency: python(abi) = 2.4 is needed by package libxml2-python</code> and/or <code>Error: Missing Dependency: python(abi) = 2.4 is needed by package rpm-python</code> during your <code>yum upgrade</code> ensure you have done a <code>yum clean all</code> and check that both the <code>base</code> and <code>updates</code> repositories are available from your mirror. You will need the <code>updates</code> repo for the upgrade to succeed.

* Since Fedora Core 6 uses python 2.4 and Fedora 7 uses python 2.5, do not try and run <code>yum upgrade yum\* rpm\*</code> before upgrading everything else - this succeeds but leaves yum in an unusable state.

=== Fedora Core 5 -> Fedora Core 6 ===

* After upgrading, you cannot use the DVD ISO loopback mounted as a repository directly (e.g. no <code>baseurl=file:///mnt/fc6/</code>) because the repodata files contain URLs of type <code>media://</code>  which yum can't handle.  You can use the loopback-mounted DVD for the initial upgrade from FC5 -> FC6, just not thereafter.  After removing the <code>baseurl=file:///</code> option from your <code>fedora-core.repo</code> file, remember to <code>yum clean all</code>.

=== Fedora Core 4 -> Fedora Core 5 ===

* Before upgrading update your kernel first.

* Make sure you have the latest kernel ABOVE 2.6.14 and uninstall all kernel versions before it, otherwise initscripts and a few other packages will conflict and prevent the ugprade. Use something like the command below

* Install <code>fedora-release</code> in the Fedora Core 5 version. Check our [http://fedora.redhat.com/Download/mirrors.html mirror sites]  for a faster download.

* Update your system

* After upgrading, selinux permissions may be incorrect, causing interesting failures such as metacity not starting. As suggested below, to fix this, run <code>touch /.autorelabel</code> and reboot

=== Fedora Core 3 -> Fedora Core 4 ===

* make sure you're on the latest version of yum for FC3:
<code> yum update yum </code>
* Download fedora-release for FC4:
* wget http://yourmirrorhere/pub/fedora/linux/core/4/$yourarch/os/Fedora/RPMS/fedora-release-4-2.noarch.rpm
* <code>rpm -Uvh /path/to/fedora-release-4-2.noarch.rpm</code>
* yum update ( This will start the upgradation process to FC4)
* Once you have updated, run: <code>yum groupinstall "GNOME Desktop Environment"</code> (change GNOME to KDE if appropriate). That'll get you some new packages that were added in FC4 like Evince and NetworkManager.
* Some new groups were added - <code> yum grouplist </code> - check out Eclipse and Java Development in particular.

Problems:

* Postgres database in FC4 has a newer incompatible format from the previous versions. Manual dump and restoration is required if you using this database. Look at the postgres documentation for more details on this.

* kernel requires kernel-utils (or vice-versa) run:
<pre>
yum update kernel
reboot
yum remove kernel-2.6.11\*FC3\*
yum upgrade
reboot
</pre>

* Takes forever and a day and hangs at:
<code> Reading repository metadata in from local files </code>
This means you have too much crap in your rpmdb and it's taking a while to go through it. Check out how many kernels you have installed: rpm -q kernel kernel-smp and remove the old ones you may also try running: rpm --rebuilddb and see if it helps any. I've found that removing old kernels and rebuilding the rpmdb helped this problem.

* x86_64 upgrade requires removal of certain i386 packages before update
<pre>
yum remove perl.i386
TODO: Add list of bonobo i386 packages to remove here
</pre>
* Error: Missing Dependency: libpython2.3.so.1.0 is needed by package koffice
koffice was removed from Fedora Core and not moved to extras - so there's no way to complete an upgrade to FC4
without removing it. run:
<pre>
yum remove koffice
</pre>
then your update should complete.

* x86_64 systems seems to hang during "Running Transaction Test"

Seems related to bug [[rhbug:155730|155730]]  -- Maybe a update to the "rpm-4.3.3-3.0.fc3" (currently in updates-testing) might solve this. Ugly workaround (to be done as root):
<pre>
: > /var/log/lastlog
</pre>

* GPG check fails with this message :
<pre>
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID db42a60e
public key not available for <some_package>
Retrieving GPG key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora

The GPG key at file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora (0x4F2A6FD2)
is already installed but is not the correct key for this package.
Check that this is the correct key for the "Fedora Core 4 - i386 - Base" repository.
</pre>
Edit /etc/yum.repos.d/fedora.repo and replace the line
<pre>
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
</pre>
with:
<pre>
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY
</pre>

* SELinux gets messed up. I had to redownload the selinux-policy-targeted RPM from my mirror, do a forced uninstall of the old package, clean out the .rpmnew and .rpmsave files then install the new policy. Then I had to run "/sbin/fixfiles relabel" and wait. If I didn't do that, I found I couldn't log in.
* If SELinux does give you problems, it can be disabled on bootup by pressing "a" on the grub bootup menu, then adding "enforcing=off" to the arguments list.

* RPM complains about missing diskspace, but there is a lot free. If you are really sure your diskspace is enough, set
<pre>
diskspacecheck=0
</code> in <code>/etc/yum.conf</code>.
The RPM transaction will need a lot of diskspace temporarily (much more than one might think), so be careful.
Don't forget to remove that later after the upgrade.

* Yum complains about files conflicting in the GCC package.  This system was upgraded from Fedora Core 1.  Remove the gcc32 package:
<pre>
sudo rpm -e gcc32
</pre>

* Some of your modules don't load after the upgrade.  When you investigate modprobe doesn't work as expected.  Run depmod:
<pre>
sudo depmod -ae -F /boot/System.map-[your <code>uname -a</code> kernel version here] 
</pre>

* Yum has been reported to be hanging after upgrading. Updating the pysqlite package might fix it.

=== Fedora Core 2 -> Fedora Core 3 ===

Go here for most of this info:
http://linux.duke.edu/~skvidal/misc/fc2-fc3-update-with-yum.txt

=== Fedora Core 1 -> Fedora Core 2 ===

Just Upgrade using anaconda - save yourself a world of pain. But if you really want to try, there's these hints by Seth Vidal: http://linux.duke.edu/~skvidal/misc/fc1-fc2-yum-hints.txt

[[Category:FAQ]][[Category:How to]][[Category:Documentation]]
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