8. 特定软件包
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The following sections contain information regarding software packages that have undergone significant changes for Fedora 9. For easier access, they are generally organized using the same groups that are shown in the installation system.
8.1. Perl
Fedora 9 now includes Perl 5.10.0, the first "major" release update in perl5 in some time. The Perl interpreter itself is faster with a smaller memory footprint, and has several UTF-8 and threading improvements. The Perl installation is now relocatable, a blessing for systems administrators and operating system packagers. Perl 5.10.0 also adds a new smart match operator, a switch statement, named captures, state variables, and better error messages.
更多信息，请参考
8.2. Yum 的变化
The installonlyn plugin functionality has
been folded into the core yum package. The
installonlypkgs and
installonly_limit options are used by default to
limit the system to retain only two kernel packages. You can
adjust the package set or the number of packages, or disable the
option entirely to match your preferences. More details are
available in the man page for yum.conf.
命令 yum 探测到锁定时将重试。这个功能在有守护进程检测更新时，或者如果同时运行 yum 和图形前端时会用到。
The yum command now understands a cost
parameter in its configuration file, which is the relative cost of
accessing a software repository. It is useful for weighing one
software repository's packages as greater or less than any other.
The cost parameter defaults to 1000, with lower costs given
priority.
8.3. pam_mount
The pam_mount facility now uses a
configuration file written in XML. The
/etc/security/pam_mount.conf file will be
converted to /etc/security/pam_mount.conf.xml
during update with
/usr/bin/convert_pam_mount_conf.pl, which
removes all comments. Any per-user configuration files must be
converted manually, with the conversion script if desired. A
sample pam_mount.conf.xml file with detailed
comments about the available options appears at
/usr/share/doc/pam_mount-*/pam_mount.conf.xml.
8.4. TeXLive
TeXLive is a replacement for the old, unmaintained TeX package. It offers new style packages and fixes many security problems with the old distribution.
8.5. 工具包
软件包 i810switch 被移除。它的功能可以完全由 xorg-x11-server-utils 软件包中的 xrandr 命令实现。
The evolution-exchange package replaces evolution-connector , and provides a capability under the old name.
The system-config-firewall and system-config-selinux packages replace system-config-security-level . The system-config-selinux package is part of the policycoreutils-gui package.