root@beaglebone:~/debian-wheezy-minimal-armhf-2012-03-29# opkg install util-linux-mkfs
Upgrading util-linux-mkfs on root from 2.20.1-r2 to 2.21-r5...
Downloading http://feeds.angstrom-distribution.org/feeds/core/ipk/eglibc/armv7a/base/util-linux-mkfs_2.21-r5_armv7a.ipk.
wget: server returned error: HTTP/1.1 404 Not Found
Collected errors:
 * opkg_download: Failed to download http://feeds.angstrom-distribution.org/feeds/core/ipk/eglibc/armv7a/base/util-linux-mkfs_2.21-r5_armv7a.ipk, wget returned 1.
 * opkg_install_pkg: Failed to download util-linux-mkfs. Perhaps you need to run 'opkg update'?
 * opkg_install_cmd: Cannot install package util-linux-mkfs.
root@beaglebone:~/debian-wheezy-minimal-armhf-2012-03-29#