I installed SL6 (i386) tonight in a virtual machine for testing and I decided to run a yum update and was surprised that it failed because it was having trouble contacting the repos. Below is a snippet of what I'm talking about. What repos are valid and why am I seeing this? Total download size: 132 M Is this ok [y/N]: y Downloading Packages: http://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp1.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp2.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. ftp://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-autoipd-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp1.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-autoipd-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp2.scientificlinux.org/linux/scientific/6.0/i386/updates/security/avahi-autoipd-0.6.25-11.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. (2/52): avahi-autoipd-0.6.25-11.el6.i686.rpm | 33 kB 00:00 (3/52): avahi-glib-0.6.25-11.el6.i686.rpm | 19 kB 00:00 (4/52): avahi-libs-0.6.25-11.el6.i686.rpm | 53 kB 00:00 (5/52): avahi-ui-0.6.25-11.el6.i686.rpm | 30 kB 00:00 (6/52): dbus-1.2.24-4.el6_0.i686.rpm | 210 kB 00:00 (7/52): dbus-libs-1.2.24-4.el6_0.i686.rpm | 127 kB 00:00 (8/52): dbus-x11-1.2.24-4.el6_0.i686.rpm | 38 kB 00:00 (9/52): dhclient-4.1.1-12.P1.el6_0.4.i686.rpm | 334 kB 00:00 (10/52): firefox-3.6.17-1.el6_0.i686.rpm | 14 MB 00:08 (11/52): gdm-2.30.4-21.el6_0.1.i686.rpm | 1.0 MB 00:01 (12/52): gdm-libs-2.30.4-21.el6_0.1.i686.rpm | 93 kB 00:00 (13/52): gdm-plugin-fingerprint-2.30.4-21.el6_0.1.i686.r | 95 kB 00:00 (14/52): gdm-user-switch-applet-2.30.4-21.el6_0.1.i686.r | 104 kB 00:00 (15/52): glibc-2.12-1.7.el6_0.5.i686.rpm | 4.3 MB 00:03 (16/52): glibc-common-2.12-1.7.el6_0.5.i686.rpm | 14 MB 00:08 (17/52): kernel-2.6.32-131.2.1.el6.i686.rpm | 21 MB 00:16 (18/52): kernel-firmware-2.6.32-131.2.1.el6.noarch.rpm | 2.5 MB 00:02 (19/52): krb5-libs-1.8.2-3.el6_0.7.i686.rpm | 689 kB 00:01 (20/52): libpurple-2.7.9-3.el6.i686.rpm | 6.1 MB 00:03 (21/52): libtiff-3.9.4-1.el6_0.3.i686.rpm | 337 kB 00:00 (22/52): livecd-tools-0.3.6-4.el6.i686.rpm | 59 kB 00:00 (23/52): logrotate-3.7.8-12.el6_0.1.i686.rpm | 52 kB 00:00 (24/52): nss-3.12.8-3.el6_0.0.sl6.i686.rpm | 750 kB 00:01 (25/52): nss-sysinit-3.12.8-3.el6_0.0.sl6.i686.rpm | 25 kB 00:00 (26/52): openldap-2.4.19-15.el6_0.2.i686.rpm | 232 kB 00:00 (27/52): openssl-1.0.0-10.el6.i686.rpm | 1.4 MB 00:01 (28/52): perl-5.10.1-119.el6.i686.rpm | 9.7 MB 00:07 (29/52): perl-Module-Pluggable-3.90-119.el6.i686.rpm | 36 kB 00:00 (30/52): perl-Pod-Escapes-1.04-119.el6.i686.rpm | 28 kB 00:00 (31/52): perl-Pod-Simple-3.13-119.el6.i686.rpm | 208 kB 00:00 (32/52): perl-libs-5.10.1-119.el6.i686.rpm | 589 kB 00:00 (33/52): perl-version-0.77-119.el6.i686.rpm | 47 kB 00:00 (34/52): pidgin-2.7.9-3.el6.i686.rpm | 1.4 MB 00:01 (35/52): policycoreutils-2.0.83-19.8.el6_0.i686.rpm | 669 kB 00:00 (36/52): polkit-0.96-2.el6_0.1.i686.rpm | 156 kB 00:00 (37/52): polkit-desktop-policy-0.96-2.el6_0.1.noarch.rpm | 5.7 kB 00:00 (38/52): postfix-2.6.6-2.2.el6_1.i686.rpm | 2.0 MB 00:01 ftp://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/python-2.6.6-20.el6.i686.rpm: [Errno 14] FTP Error 425 : ftp://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/python-2.6.6-20.el6.i686.rpm Trying other mirror. http://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/python-2.6.6-20.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp1.scientificlinux.org/linux/scientific/6.0/i386/updates/security/python-2.6.6-20.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp2.scientificlinux.org/linux/scientific/6.0/i386/updates/security/python-2.6.6-20.el6.i686.rpm: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. (40/52): python-imgcreate-0.3.6-4.el6.i686.rpm | 82 kB 00:00 (41/52): python-libs-2.6.6-20.el6.i686.rpm | 602 kB 00:00 (42/52): rdesktop-1.6.0-8.el6_0.1.i686.rpm | 144 kB 00:00 (43/52): rsync-3.0.6-5.el6_0.1.i686.rpm | 328 kB 00:00 (44/52): selinux-policy-3.7.19-54.el6_0.5.noarch.rpm | 719 kB 00:00 (45/52): selinux-policy-targeted-3.7.19-54.el6_0.5.noarc | 2.3 MB 00:02 (46/52): sudo-1.7.4p5-5.el6.i686.rpm | 412 kB 00:00 (47/52): thunderbird-3.1.10-1.el6_0.i686.rpm | 29 MB 00:22 (48/52): tigervnc-1.0.90-0.15.20110314svn4359.el6_1.1.i6 | 267 kB 00:00 (49/52): tigervnc-server-1.0.90-0.15.20110314svn4359.el6 | 1.1 MB 00:01 (50/52): tzdata-2011g-1.el6.noarch.rpm | 444 kB 00:00 (51/52): xorg-x11-server-utils-7.4-15.el6_0.2.i686.rpm | 126 kB 00:00 (52/52): xulrunner-1.9.2.17-4.el6_0.i686.rpm | 9.2 MB 00:06 Error Downloading Packages: avahi-0.6.25-11.el6.i686: failure: avahi-0.6.25-11.el6.i686.rpm from sl-security: [Errno 256] No more mirrors to try. python-2.6.6-20.el6.i686: failure: python-2.6.6-20.el6.i686.rpm from sl-security: [Errno 256] No more mirrors to try. [root@test ~]# yum install fastest-mirror Loaded plugins: refresh-packagekit http://ftp.scientificlinux.org/linux/scientific/6.0/i386/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp1.scientificlinux.org/linux/scientific/6.0/i386/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp2.scientificlinux.org/linux/scientific/6.0/i386/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. ftp://ftp.scientificlinux.org/linux/scientific/6.0/i386/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp.scientificlinux.org/linux/scientific/6.0/i386/updates/security/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. http://ftp1.scientificlinux.org/linux/scientific/6.0/i386/updates/security/repodata/repomd.xml: [Errno 14] PYCURL ERROR 56 - "" Trying other mirror. Kevin