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en:aktuelles [2021-08-06 15:09] – Thomas Thiel | en:aktuelles [2024-01-05 09:43] (current) – Thomas Thiel | ||
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====== News and Service Indications ====== | ====== News and Service Indications ====== | ||
- | Here you will find recent Information and service indications | + | Here you will find recent Information and Service Indications |
- | ---- | + | |
- | ===== 2021-08-06: unscheduled downtime of overleaf ==== | + | |
- | + | ||
- | Due to inconsistencies in the DB backend, the overleaf instance of the C.S.Dept. is down at the moment.\\ | + | |
\\ | \\ | ||
- | |||
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- | ===== 2021-07-27: unscheduled downtime of BigBlueButton, | + | ===== 2023-12-11: Eduroam was out or order ===== |
- | ** Update: All central services are by now fully available again. ** | + | < |
- | Due to problems with the storage backend of an older virtualization cluster, there are currently massive problems when using some VMs, in particular: | + | < |
- | + | ||
- | * BigBlueButton Load Balancer (bbb.informatik.uni-bonn.de) | + | |
- | * a central file server of the B-IT | + | |
- | + | ||
- | as well as the machines | + | |
- | + | ||
- | * vm-wuebbel-01 | + | |
- | * sentry | + | |
- | * mail-info4 | + | |
- | * bbb4mm | + | |
- | * leonov | + | |
- | * inf1-srv-01 | + | |
- | * login.bit.uni-bonn.de | + | |
- | + | ||
- | The affected systems are immediately shut down completely in order to accelerate the repair of the affected storage backend. After repairs have been completed, the systems will be moved to a newer cluster in the short to medium term. | + | |
- | + | ||
- | The central BigBlueButton IT service | + | |
- | + | ||
- | I apologize for the inconvenience, | + | |
+ | Members and students of the Computer Science department and the B-IT can also use our own [[en: | ||
+ | \\ | ||
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+ | ===== 2023-12-12/ | ||
- | ===== 2021-06-07 External Connectivity Issues ===== | + | < |
+ | </ | ||
- | Last night and today in the morning we had some connectivity issues due to a problem with our uplink to the Hochschulrechenzentrum (HRZ). The HRZ has issued a maintenance report regarding this incident: | + | This semester' |
- | https://www.hrz.uni-bonn.de/de/ | + | < |
- | + | If you still need your data, please read them out before. This will also be possible afterwards, of course, </del>\\ | |
- | The problem has been solved by now. | + | \\ |
---- | ---- | ||
- | ===== 2021-05-31 Loss of All Network Connectivity. ===== | + | ===== 2023-08-07: Change |
- | There has been a complete breakdown of all network connections | + | Today we did renew the certificate for our wifi infrastructure. At the same time we switched over to the new certification authority hosted by the DFN (GEANT, just like the HRZ did some days before, you may remember the mail about eduroam). |
- | within computer science at about ~17:00 due to an error in the | + | |
- | Stack communication of our central router. Individual stack participants | + | |
- | got into repetitive reboot loops. We could find the source of the problem | + | |
- | and eliminate it. All services should be available again. | + | |
- | ---- | + | This means that all wifi configurations of your devices that are used to |
- | ===== 2021-05-14 Downtime Staffhomes I/II/ | + | connect to the computer science dept. or the b-it (eduroam-cs and |
+ | 802.1X) have to be reconfigured to check for the new certificate/and | ||
+ | or CA. | ||
- | The staffhomes on these filesystems are available again, e.g. on login-staff: | + | You will find the current |
- | + | ||
- | * /home/I | + | |
- | * /home/II | + | |
- | * /labor/II | + | |
- | * /home/IV | + | |
- | * /home/V | + | |
- | * / | + | |
- | + | ||
- | ===== 2021-03-30: Overleaf Instance in the C.S.Dept./ | + | |
- | + | ||
- | For all users of the c.s. Dept and the B-IT, we are now maintaining an overleaf instance for collaborative publishing. | + | |
- | + | ||
- | More Informations about this [[en:overleaf|can be found here]]... | + | |
- | + | ||
- | ---- | + | |
- | ===== 2021-03-01: New SSH Login Servers | + | |
- | + | ||
- | We deployed two new ssh login servers for you: | + | |
- | + | ||
- | for staffers: login-staff.informatik.uni-bonn.de | + | |
- | for students: login-stud.informatik.uni-bonn.de | + | |
- | + | ||
- | The new fingerprints are available | + | |
- | https:// | + | |
- | + | ||
- | The old servers will be available for you until friday (2021-03-05, | + | |
- | 9:00am). At that time we will shut them down and redirect their DNS | + | |
- | names to the new servers for some time to aid your migration there. | + | |
+ | The VPN service is *not* affected by these changes.\\ | ||
+ | \\ | ||
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