Yum (Yellowdog Update Modified)

Yum (Yellowdog Update Modified) is an RPM Packet Management system for Fedora, CentOS, Red Hat, OpenSuse, etc. Yum, history (list, info, summary, repeat, redo, undo, new) commands is added on the 3.2.25 version. So this works for every Linux Distros, which uses yum 3.2.25 or newer. Yum, history command is really useful in situations where the need to example roll back the latest yum activity or undelete some deletes or just see what is updated lately.
Yum history and Yum history list

yum history lists all the latest yum operations and yum history list all operations or just selected package operations

Listing all operations

[root ~]> yum history
### OR ###
[root ~]> yum history list
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
ID | Login user | Date and time | Action(s) | Altered
————————————————————–
45 | System <unset> | 2010-01-18 09:57 | I, U | 21
44 | User <username> | 2010-01-14 15:31 | Install | 1
43 | System <unset> | 2010-01-14 08:13 | Update | 19
42 | System <unset> | 2010-01-13 10:39 | I, U | 40
41 | System <unset> | 2010-01-11 07:59 | Update | 16
40 | System <unset> | 2010-01-08 07:58 | Update | 38
39 | System <unset> | 2010-01-07 08:39 | I, O, U | 39
38 | System <unset> | 2010-01-05 08:23 | O, U | 18
37 | User <username> | 2010-01-04 15:43 | Install | 1
36 | System <unset> | 2010-01-04 07:56 | Update | 66
35 | User <username> | 2009-12-30 10:07 | Install | 2
34 | User <username> | 2009-12-30 10:01 | Update | 15
33 | User <username> | 2009-12-30 08:14 | Install | 13
32 | System <unset> | 2009-12-29 07:52 | I, U | 26
31 | System <unset> | 2009-12-28 08:31 | E, I, U | 66
30 | System <unset> | 2009-12-23 12:11 | Update | 7
29 | System <unset> | 2009-12-22 13:59 | Update | 36
28 | User <username> | 2009-12-21 13:21 | Install | 1
27 | System <unset> | 2009-12-18 14:59 | Update | 56
26 | User <username> | 2009-12-18 08:46 | Install | 1
history list

Listing Arora browser operations

Yum history info

Show full information by history ID.

Remove Arora browser

[root ~]> yum remove arora
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
Setting up Remove Process
[…]
=====================================================
Package Arch Version Repository Size
=====================================================
Removing:
arora i686 0.10.2-2.fc12 installed 3.7 M

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

Is this ok [y/N]: y
[…]
Running Transaction
Erasing : arora-0.10.2-2.fc12.i686 1/1

Removed:
arora.i686 0:0.10.2-2.fc12

Complete!

Yum history list

Show history info for ID 2

[root ~]> yum history info 2
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
Transaction ID : 2
Begin time : Tue Jan 19 15:10:13 2010
Begin rpmdb : 2431:fe4c2c846fd45c9125fb8ab27542a27b22e0d3df
End time : 15:10:27 2010 (14 seconds)
End rpmdb : 2430:2eeb12b0b0f2ef3fcb31b4447b439e76e92e3866
User : User <username>
Return-Code : Success
Transaction performed with:
Installed rpm-4.7.2-1.fc12.i686
Installed yum-3.2.25-1.fc12.noarch
Installed yum-plugin-fastestmirror-1.1.24-2.fc12.noarch
Packages Altered:
Erase arora-0.10.2-2.fc12.i686
history info

Yum history summary

Shows summary of lates operations.

Yum history repeat

yum history repeat command repeats old operation by history ID.

[root ~]> yum history repeat 2
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
Loading mirror speeds from cached hostfile
* fedora: mirror.cogentco.com
* livna: rpm.livna.org
[…]
Repeating transaction 2, from Tue Jan 19 15:10:13 2010
Erase arora-0.10.2-2.fc12.i686
No package matched to remove
history repeat

Yum history undo

yum history undo simply undo operations by history ID.

Undo Arora browser erase

[root ~]> yum history undo 2
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
Loading mirror speeds from cached hostfile
[…]
Undoing transaction 2, from Tue Jan 19 15:10:13 2010
Erase arora-0.10.2-2.fc12.i686
Resolving Dependencies
–> Running transaction check
—> Package arora.i686 0:0.10.2-2.fc12 set to be updated
–> Finished Dependency Resolution

Dependencies Resolved

=====================================================
Package Arch Version Repository Size
=====================================================
Installing:
arora i686 0.10.2-2.fc12 updates 1.1 M

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

Total download size: 1.1 M
Is this ok [y/N]: y
Downloading Packages:
arora-0.10.2-2.fc12.i686.rpm | 1.1 MB 00:00
[…]
Running Transaction
Installing : arora-0.10.2-2.fc12.i686 1/1

Installed:
arora.i686 0:0.10.2-2.fc12

Complete!

History list after undo

Yum history redo

yum history redo simply redos operation from yum history by ID.

[root ~]> yum history redo 2
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
[…]
Repeating transaction 2, from Tue Jan 19 15:10:13 2010
Erase arora-0.10.2-2.fc12.i686
Resolving Dependencies
–> Running transaction check
—> Package arora.i686 0:0.10.2-2.fc12 set to be erased
–> Finished Dependency Resolution

Dependencies Resolved

=====================================================
Package Arch Version Repository Size
=====================================================
Removing:
arora i686 0.10.2-2.fc12 installed 3.7 M

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

Is this ok [y/N]: y
[…]
Running Transaction
Erasing : arora-0.10.2-2.fc12.i686 1/1

Removed:
arora.i686 0:0.10.2-2.fc12

Complete!

Yum history new

yum history new command delete/clear old history listing.

[root ~]> yum history new
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
history new

[root ~]> yum history
Loaded plugins: dellsysidplugin2, fastestmirror, refresh-packagekit
ID | Login user | Date and time | Action(s) | Altered
————————————————————–
history list

Yum (Yellowdog Update Modified)

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