Linux Automatic upgrade update problem

For Redhat, a patch is found in www.redhat.com/corp/support/errata/, and a later version of 6.1 comes with a tool up2date that can determine which RPM packages need to be upgraded and then automatically download and complete the installation from the Redhat site.

Upgrade RPM In addition to kernel:

Up2date–u

Upgrade RPM including Kernel:

Up2date-u–f

The latest redhat and fedora can use the Yum command or the Yumex graphical front-end to upgrade the update.

Gentoo Upgrade Method

Update Portage Tree:

Emerge–sync

Update/install package: emerge [package name] (such as install Vim:emerge vim)

Debian and other distributions are still very different, with http://www.aliyun.com/zixun/aggregation/33836.html ">debian to do server maintenance more convenient." Debian Upgrade Software:

APT Update
APT Upgrade

Prerequisite: Configure network and/etc/apt/sources.list, also can use Apt-setup setting.