Fedora23 officially released and how to upgrade from 22nd

For more information about the improvement of this Fedora23 release, refer to the previous reports on Beta or Alpha. With the introduction of a more robust cross-version upgrade mechanism, Fedora23 makes full use of the features introduced by dnf and systemd. If you are currently using Fedora22, you only need to upgrade to the new version in three steps: Install the dnf plug-in: sudodnfinstalldnf-plugin-system-upgrade.

For more information about the improvement of this Fedora 23 release, refer to the previous report on Beta or Alpha on this site.

With the introduction of a more robust cross-version upgrade mechanism in Fedora 23dnfAndsystemdIntroduced features. If you are currently using Fedora 22, you only need to upgrade it to the new version in three steps:

1. Install the dnf Plugin:sudo dnf install dnf-plugin-system-upgrade. This plug-in replaces the previousfedup.
2. Run the system-upgrade plug-in and download the upgrade package:sudo dnf system-upgrade download --releasever=23. Pay attention to carefully check the software packages that cannot be upgraded because they do not meet the dependency in the list to be downloaded. If they are not important, you can continue to wait until the upgrade is completed.
3. After all the above software packages are downloaded and verified, restart and start the upgrade:sudo dnf system-upgrade reboot

Is it easy? The time it takes depends on your network speed and the number of installed software packages.

Cross-version upgrade (hei) History of Fedora

Compared with other releases, Fedora is more pursuing the latest open-source technology. The negative impact of this technology is not only the difficulty of cross-version upgrade. For example, the latest official cross-version upgrade ToolpreupgradeUsing a hot upgrade method similar to a software package upgrade may cause the system to behave abnormally after the upgrade due to the large differences in configuration files between the new and old versions.

In the introduction of Fixation/usrYou have to use it to develop new applications.systemdUpgrade Toolfedup.fedupSubmit the upgrade processsystemdIt is executed after the restart, greatly improving the reliability. HoweversystemdIt is also in the early stage of application,fedupThe Hack method also causes a small number of abnormal behaviors after the upgrade. At the same time, the dependency analysis process based on yum is quite long.

The system-upgrade introduced by Fedora 23 is more robust in theory. On the one hand, the open API exists in the form of dnf plug-ins, and its dependency analysis speed has been greatly improved; on the other hand, the system-upgrade introduced by Fedora 23 is more robust in theory.systemdStable API and behavior consistency are ensured.

On the other hand, Fedora has always been used.yumOrdnfBut this is especially risky.

How to upgrade Fedora 22 Server to Fedora 23 Beta Server http://www.linuxidc.com/Linux/2015-09/123612.htm

Fedora 23 Workstation new features introduction http://www.linuxidc.com/Linux/2015-11/124802.htm

How to install Fedora 22 in VirtualBoxHttp://www.linuxidc.com/Linux/2015-08/121808.htm

Fedora 23 official edition now provides download http://www.linuxidc.com/Linux/2015-11/124779.htm

For more information about Fedora, see Fedora topics page http://www.linuxidc.com/topicnews.aspx? Tid = 5

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