在运行yum update的时候，我经常会看到chkconfig这样的软件包需要更新，我想知道这个更新是什么，我的意思是这样的软件包已经存在很长时间了，我无法想象会发生什么变化做到了。 这些安全性，性能或什么的更新？
通常，他们是小的变化，错误修正和兼容性更新…
您可以使用rpm -q --changelog packagename来查询软件包的更新日志。
Por ejemplo：
[root@xt ~]# rpm -q --changelog chkconfig * Wed Feb 01 2012 Bill Nottingham <[email protected]> 1.3.49.3-2 - fix another regression, this one in 'install_initd' (#696305) * Tue Jan 17 2012 Bill Nottingham <[email protected]> 1.3.49.2-1 - backport fix for regression introduced in last set of fixes (#782152) * Wed Jan 04 2012 Bill Nottingham <[email protected]> 1.3.49.1-1 - backport LSB fixes from head - fixes: #693202/#771455, #649227/#771452, #750446/#771454, #701573/#771741, #696305 (<[email protected]>)
如果你安装了yum-plugin-changelog软件包，你可以直接从yum进行查询。
[root@xt ~]# yum changelog all zfs Loaded plugins: changelog, fastestmirror, security, versionlock Listing all changelogs ==================== Installed Packages ==================== zfs-0.6.1-1.el6.x86_64 installed * Fri Mar 22 07:00:00 2013 Brian Behlendorf <[email protected]> - 0.6.1-1 - First official stable release. ==================== Available Packages ==================== zfs-0.6.2-1.el6.x86_64 zfs * Wed Aug 21 07:00:00 2013 Brian Behlendorf <[email protected]> - 0.6.2-1 - Released 0.6.2-1 * Fri Mar 22 07:00:00 2013 Brian Behlendorf <[email protected]> - 0.6.1-1 - First official stable release. changelog stats. 2 pkgs, 2 source pkgs, 3 changelogs