yum update
Setting up Update Process
Setting up repositories
updates-released          100% |=========================|  951 B    00:00     
extras                    100% |=========================| 1.1 kB    00:00     
base                      100% |=========================| 1.1 kB    00:00     
Reading repository metadata in from local files
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for glib2 to pack into transaction set.
glib2-2.6.6-1.i386.rpm    100% |=========================| 568 kB    00:10     
http://ftp.ps.pl/pub/linux/fedora-core/updates/4/i386/glib2-2.6.6-1.i386.rpm: [Errno -1] Head
r is not complete.
Trying other mirror.
glib2-2.6.6-1.i386.rpm    100% |=========================| 568 kB    00:07     
http://mirror.phy.olemiss.edu/mirror/fedora/core/updates/4/i386/glib2-2.6.6-1.i386.rpm: [Errn
 -1] Header is not complete.
Trying other mirror.
glib2-2.6.6-1.i386.rpm    100% |=========================| 568 kB    00:08     
http://ftp.ndlug.nd.edu/pub/fedora/linux/core/updates/4/i386/glib2-2.6.6-1.i386.rpm: [Errno -
] Header is not complete.
Trying other mirror.
glib2-2.6.6-1.i386.rpm    100% |=========================| 568 kB    00:04     
http://wftp.tu-chemnitz.de/pub/linux/fedora-core/updates/4/i386/glib2-2.6.6-1.i386.rpm: [Errn
 -1] Header is not complete.
Trying other mirror.
glib2-2.6.6-1.i386.rpm     56% |==============           | 320 kB    00:02 ETA [1]   Killed