Linux patching comes straight from vendors or distribution communities. The exception is Red Hat Enterprise Linux which feeds updates through a data center specific proxy server. The proxy's authoritative data (need to reword this) is the Managed RHN server. This means that patching delays in Managed also delay updates in Managed Cloud. For example, RHEL v5.5 was delayed for several months after it was released by Red Hat.
|Distribution||Patching Mechanism||Patching Server(s)||Frequency||Configuration|
snet2-[dc].mirror.rackspace.com Howbackup:archive.ubuntu.com, security.ubuntu.com
|Nightly between 0000 and 0400 server time||/etc/apt/apt.conf.d/02periodic
|Red Hat Enterprise
snet2-[dc].mirror.rackspace.com (for epel and ius) proxy1.[dc].slicehost.com, proxy2.[dc].slicehost.com (Example: proxy1.dfw1, proxy2.ord1, etc)
|Nightly between 0000 and 0400 server time||/etc/yum-cron
|Nightly between 0000 and 0400 server time||/etc/yum-cron|
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