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Author Archives: pb22
Purge of legacy automount information
It is believed that the last systems using the old “indirect” autofs LDAP tables have been shut down or moved to use “direct” filer mounts, so the information is no longer included in the LDAP data. If anyone observes failure … Continue reading
Xen Server problems – please report anomalies
We have had a number of problems with one of our Xen pools. If any VMs appear to be behaving oddly, please contact sys-admin.
CentOS5 (Linux server) network service problems.
A Redhat package problem caused CentOS 5 machines (Linux Servers) to loose access to certain network services. One of our two mail servers may have rejected email between 04:15 and 04:30, when the problem was spotted and the failing MTA … Continue reading
DNS resolvers now validating
The CL DNS resolvers have DNSSEC validation enabled. Please report any DNS problems to sys-admin.
Posted in Local IT systems
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CentOS 5.7 released – kernel lock bug fixed
Although not yet announced on the CentOS web site, CentOS 5.7 has been released, which includes a new kernel which fixes the bug which caused the machine to OOPS if an NFS file lock was attempted. As such, there will … Continue reading
New package signing key
A new key (3294FB03) has been generated to sign all Lab packages (RPMs and .debs). This has been installed on most Lab managed machines. Private machines which use the Lab repositories will need to register the new key.
World IPv6 day – 2011/06/08 – possible network service problems
On world IPv6 day there is a possibility of disruption of network services due to machine with dual stack not working correctly. Although we will be making small changes, most of the changes are outwith our control.
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svn services changes
As mentioned in centos-5-machines-upgrading-to-5-6 CentOS machines have upgraded. They now run svn 1.6.11, so the svn-1-6-6-serv service is being withdrawn.
CentOS 5 machines upgrading to 5.6
CentOS 5 machines (mostly servers rather than user workstations) are automatically upgrading to 5.6. It should be mostly transparent, but the mailer (exim) has a security fix, so the old config file causes email to fail, including email saying that … Continue reading
WordPress upgraded
The old WordPress software used for these pages has been upgraded. The theme has changed, but other things should be much the same.