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Linux Patching for Cloud Servers Managed Cloud Service Level

Linux patching comes directly 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 is the Managed Red Hat Network server. This means that patching delays in Managed Red Hat Network server also delay updates in Managed Cloud Service Level. For example, Red Hat Enterprise Linux v5.5 was delayed for several months after it was released by Red Hat.

Distribution Patching Mechanism Patching Servers Frequency Configuration
unattended-upgrades snet1-[dc].mirror.rackspace.com

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 Linux yum-cron snet1-[dc].mirror.rackspace.com

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


CentOS yum-cron snet1-[dc].mirror.rackspace.com


Nightly between 0000 and 0400 server time /etc/yum-cron


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