Monthly Archives: June 2012

New Redhat/CentOS 6 Kernel – IMPORTANT FOR KVM USERS

  A new kernel was released from RedHat that fixes a lot of KVM bugs and security vulnerabilities.  CentOS has already pushed this kernel to their repositories. You can find the details about this new kernel here. Upgrade your KVM guests and … Continue reading

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CentOS 4 repos back online

CentOS 4 has been EOL since March 2012.  As there is no upgrade path from 4 to 5, many of you may still be running CentOS 4 systems. At the time of the EOL announcement, the yum repository for CentOS … Continue reading

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Understanding Traceroute

Richard Steenbergen has released excellent slides and a technical document on Traceroute from a presentation he gave at a networking conference. You can see the slides here.  Most people will find that they’re the easiest to follow.  However, those that … Continue reading

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Red Hat / CentOS Bind 9 packages

Earlier this week, the Internet Systems Consortium (ISC) released an advisory about two critical security problems in the BIND 9 software.  The first problem is that BIND can keep certain domains in it’s cache that were previously deleted.  The second … Continue reading

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Fedora 17 Released

Notable Changes Linux: New controversial filesystem structure changes (/lib/, /lib64/, /bin/, and /sbin/ directories have been removed and are now under /usr/) EXT4 now support filesystems larger than 16TB Removable disks are no longer mounted under /media/, but instead under/run/media/$USER/ Linux Kernel: Linux 3.3.4 Better power support for Sandy Bridge … Continue reading

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