Fedora Rules

There is a selinux issues in Yum Extender 2.9.x in Fedora 12 (Beta) and F11.

It will give problems when installing new kernels

you will get messages like this

13:33:46 : YUM: /sbin/new-kernel-pkg: line 292: /sbin/depmod: Permission denied
13:34:05 : YUM: /usr/bin/ldd: line 118: /sbin/udevd: Permission denied

It is caused by /usr/share/yumex/yumex-yum-backend is not labeled correctly.

Run the following commands as root to fix it.

chcon system_u:object_r:rpm_exec_t:s0  /usr/share/yumex/yumex-yum-backend
restorecon -r /usr/share/yumex

I have requested it to be added to standard SELinux policy in Fedora.

https://bugzilla.redhat.com/show_bug.cgi?id=527528

To fix an already installed kernel in F12.

$ rpm -q kernel-PAE --scripts | grep -e '--install'
/sbin/new-kernel-pkg --package kernel-PAE --mkinitrd --dracut --depmod .......

copy the /sbin/new-kernel-pkg command and run it as root.

/sbin/new-kernel-pkg --package kernel-PAE --mkinitrd --dracut --depmod .......

if you are using a non PAE system then substitute ‘kernel-PAE’ with ‘kernel’ in the rpm -q command.

yum in Fedora 12 Beta contain a new cool history feature that make it posible to
see what happed in part transaction and redo/undo past transaction.

Example 1: Showing the past transaction

# yum history
Loaded plugins: presto, refresh-packagekit
ID     | Login user             | Date and time    | Action(s)      | Altered
-------------------------------------------------------------------------------
    17 | Tim Lauridsen     | 2009-10-26 15:43 | Erase          |    1
    16 | Tim Lauridsen     | 2009-10-26 15:30 | Install        |    1
    15 | Tim Lauridsen     | 2009-10-26 15:27 | Install        |    3
    14 | Tim Lauridsen     | 2009-10-26 15:25 | Erase          |    1
    13 | Tim Lauridsen     | 2009-10-26 15:09 | Install        |    1
    12 | Tim Lauridsen     | 2009-10-26 13:17 | Install        |    6
    11 | Tim Lauridsen     | 2009-10-26 13:13 | I, U           |   28
    10 | Tim Lauridsen     | 2009-10-24 18:50 | Install        |  122
     9 | Tim Lauridsen     | 2009-10-24 18:40 | Update         |   11
     8 | Tim Lauridsen     | 2009-10-23 19:39 | Install        |    2
     7 | Tim Lauridsen     | 2009-10-23 19:30 | Install        |   26
     6 | Tim Lauridsen     | 2009-10-23 18:51 | Install        |    1  <
     5 | Tim Lauridsen     | 2009-10-23 18:49 | Install        |   42 ><
     4 | Tim Lauridsen     | 2009-10-23 18:46 | Install        |    5 >
     3 | Tim Lauridsen     | 2009-10-23 18:34 | I, U           |  189
     2 | Tim Lauridsen     | 2009-10-23 18:14 | Install        |    3
     1 | System          | 2009-10-23 16:35 | Install        | 1136

Example 2: Showing transaction containing the yumex package

# yum history list yumex
Loaded plugins: presto, refresh-packagekit
ID     | Login user             | Date and time    | Action(s)      | Altered
-------------------------------------------------------------------------------
     2 | Tim Lauridsen     | 2009-10-23 18:14 | Install        |    3

Example 3: Show details about a transaction id.

# yum history info 2
Loaded plugins: presto, refresh-packagekit
Transaction ID : 2
Begin time     : Fri Oct 23 18:14:05 2009
Begin rpmdb    : 1136:908205640b70e31c5b163c091392b42ba71352d5
End time       :            18:14:11 2009 (6 seconds)
End rpmdb      : 1139:711687a3c9f18d3899a1dc5a6285cc4bed4cc037
User           : Tim Lauridsen 
Return-Code    : Success
Transaction performed with:
    Installed    rpm-4.7.1-6.fc12.i686
    Updated      yum-3.2.24-9.fc12.noarch
    Installed    yum-metadata-parser-1.1.2-14.fc12.i686
Packages Altered:
    Install      pexpect-2.3-4.fc12.noarch
    Install      python-enum-0.4.3-6.fc12.noarch
    Install      yumex-2.9.3-1.fc12.noarch

Example 4: Redo a transaction

# yum history info 16
Loaded plugins: presto, refresh-packagekit
Transaction ID : 16
Begin time     : Mon Oct 26 15:30:03 2009
Begin rpmdb    : 1355:1bc4615c42e3a0e781915a708df4880b262d60b5
End time       :            15:30:06 2009 (3 seconds)
End rpmdb      : 1356:d21998bce69db64bb12a14c3abe84e182fd4a19b
User           : Tim Lauridsen 
Return-Code    : Success
Transaction performed with:
    Installed    rpm-4.7.1-6.fc12.i686
    Installed    yum-3.2.25-1.fc12.noarch
    Installed    yum-metadata-parser-1.1.2-14.fc12.i686
    Installed    yumex-2.9.3-1.fc12.noarch
Packages Altered:
    Install      0xFFFF-0.3.9-4.fc12.i686

# yum history redo 16
Loaded plugins: presto, refresh-packagekit
Repeating transaction 16, from Mon Oct 26 15:30:03 2009
    Install      0xFFFF-0.3.9-4.fc12.i686
Resolving Dependencies
--> Running transaction check
---> Package 0xFFFF.i686 0:0.3.9-4.fc12 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package          Arch           Version                Repository         Size
================================================================================
Installing:
 0xFFFF           i686           0.3.9-4.fc12           rawhide            40 k

Transaction Summary
================================================================================
Install       1 Package(s)
Upgrade       0 Package(s)

Total download size: 40 k
Is this ok [y/N]: y
Downloading Packages:
Setting up and reading Presto delta metadata
Processing delta metadata
Package(s) data still to download: 40 k
0xFFFF-0.3.9-4.fc12.i686.rpm                             |  40 kB     00:00
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : 0xFFFF-0.3.9-4.fc12.i686                                 1/1 

Installed:
  0xFFFF.i686 0:0.3.9-4.fc12                                                    

Complete!

Example 5: Undo a transaction

# yum history undo 16
Loaded plugins: presto, refresh-packagekit
Undoing transaction 16, from Mon Oct 26 15:30:03 2009
    Install      0xFFFF-0.3.9-4.fc12.i686
Resolving Dependencies
--> Running transaction check
---> Package 0xFFFF.i686 0:0.3.9-4.fc12 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package         Arch          Version                 Repository          Size
================================================================================
Removing:
 0xFFFF          i686          0.3.9-4.fc12            installed          100 k

Transaction Summary
================================================================================
Remove        1 Package(s)
Reinstall     0 Package(s)
Downgrade     0 Package(s)

Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing        : 0xFFFF-0.3.9-4.fc12.i686                                 1/1 

Removed:
  0xFFFF.i686 0:0.3.9-4.fc12                                                    

Complete!

The have been some discussions on the fedora-devel list on the latest Thunderbird 3 Beta 4 release, because it introduce some new features there make things look and feel different.  It looks like there is 2 kind of opinions.

a). This kind of changes should never enter a stable release of fedora as an update.

b).  Let me have the latest and greatest as long as my system don’t blow up.

I feel most for b), if I was feeling for a),  I would use RHEL/Centos, instead of Fedora.

One of the reasons I use Fedora, is because it evolves over time, not only between releases, but many of the applications also evolves on the current release and of cause we can’t change the low level parts of the system on the current release and use too unstable components, because it will make peoples systems blow up and we don’t want that. But that don’t mean that we can’t evolve and discover new grounds.

If you don’t like some changes in a application like thunderbird, then don’t beat up the maintainer, take it upstream. It is one of Fedora values to follow upstream and if upstream make a change like disable ‘Ctrl-Alt-Backspace’ in X, then Fedora will follow. You can always enable it on your system, if you like an easy way to kill your GUI in a moment of anger.

One of the great things about Fedora and Linux is you have a lot of choices and if you don’t like something, then turn it off or use some other applications there better fits you needs.