Author Archives: squinney

New SSH server

On Monday 3rd April we will replace the SSH server named schiff which hosts ssh.inf.ed.ac.uk and student.ssh.inf.ed.ac.uk with a machine named bruegel. All that will happen is that at about 08:00 on Monday we will change the DNS aliases to … Continue reading

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NX service upgrade

On Thursday 26th January we plan to upgrade the NX remote desktop service. All that will happen is that at about 09:00 we will change the DNS aliases (nx.inf and staff.nx.inf) to point to the new machines. This change can … Continue reading

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Linux “Dirty COW” vulnerability

On 20th October 2016 it was announced that a serious security hole had been discovered in the Linux kernel which was already being actively exploited. This vulnerability has been dubbed "Dirty COW" due to the exploit using a race condition … Continue reading

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SSH Server Upgrade

We need to upgrade the general access SSH server (schiff) to SL7. We plan to start this work at 9am on Tuesday 16th August. We expect the service to be unavailable for approximately 2 hours, we will send out another … Continue reading

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Staff SSH server upgrade

We need to upgrade the staff SSH server (brendel) to SL7. We plan to do this at 9am on Tuesday 9th August. We expect the service to be unavailable for most of that morning, we will send out another message … Continue reading

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SL7 Software Collections

We have recently added support for the Redhat Software Collections (2.1) on SL7 DICE machines. Redhat describes these as: For certain applications, more recent versions of some software components are often needed in order to use their latest new features. … Continue reading

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Scientific Linux 7.2 Update

The 2nd minor update to ScientificLinux 7 (which is based on RHEL7) is now ready for deployment to the Informatics SL7 DICE office machines. At this point the update will NOT be deployed in the student labs, they will remain … Continue reading

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SL7 desktop reboots

If you have a DICE SL7 desktop you will be prompted to reboot over the next few days. This is required to make an important configuration change which can only be safely applied at boot time. We understand that reboots … Continue reading

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Scientific Linux 6.6 Update

The 6th minor update to ScientificLinux 6 (which is based on RHEL6) is now ready for deployment to the Informatics SL6 DICE office and student lab machines. A minor update like this provides us with the opportunity to update important … Continue reading

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DICE desktop reboots

In order to maintain the integrity of our systems we need to reboot all DICE desktops over the next few days. We understand that reboots can be very inconvenient so you can be assured that we will only ever schedule … Continue reading

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