User contributions for Admin

12:4312:43, 25 July 2024 diff hist +2,172 N RestoringCloudFrontendFromBackup Created page with "= Context = In July 2024, we have lost our OpenNebula frontend VM (cloud2) after an attempt to reboot it. It was hosted on domz02, a basic QEMU/KVM standalone hypervizor managed with libvirt. The problem seemed to be that the system was not able to find the partition table in the qcow2 image. As there was no backup of the OpenNebula data and config files, the only solution to recover these things was to attach the image to a new VM and to recreate the partition table in..."
12:0912:09, 25 July 2024 diff hist +86 AdminPage →T2B Cloud current

15:4615:46, 16 July 2024 diff hist +141 ExplainingApel No edit summary
15:3615:36, 16 July 2024 diff hist +104 ExplainingApel →Sending the job and summary records to the remote accounting server
15:3415:34, 16 July 2024 diff hist +1,104 ExplainingApel No edit summary
15:0815:08, 16 July 2024 diff hist +1,273 ExplainingApel No edit summary
14:4914:49, 16 July 2024 diff hist +595 ExplainingApel No edit summary
14:4014:40, 16 July 2024 diff hist +317 ExplainingApel No edit summary
14:3114:31, 16 July 2024 diff hist +372 N ExplainingApel Created page with "= From HTCondor job history files to batch and blah files = Each time a job is finished, a job record is created in the directory /var/lib/condor/history. Thanks to a systemd timer, every hour, a script is run to parse these history records and to generate the blah and batch files from them. The blah and batch files are created in the directory /var/lib/condor-ce/apel."
14:2714:27, 16 July 2024 diff hist +60 AdminPage →Info

14:1414:14, 12 March 2024 diff hist −17 Jupyterlabt2b →How to be able to work with jupyterlab on T2B using Linux personal machine current
14:1114:11, 12 March 2024 diff hist +199 Jupyterlabt2b →On t2b, activate (or create and activate) a virtual environment and install jupyter.
10:4010:40, 12 March 2024 diff hist −1 Jupyterlabt2b →Create file "config" in ~/.ssh directory of your personal machine.
09:3409:34, 12 March 2024 diff hist +1,459 N Jupyterlabt2b Created page with "=== How to be able to work with jupyterlab on T2B using Linux personal machine === == Create file "config" in ~/.ssh directory of your personal machine. == Write into the config file: <pre> Host mlong HostName mlong.iihe.ac.be User your_username ForwardX11 yes ServerAliveInterval 100 LocalForward ???? localhost:????" </pre> ''???? is an identical 4-digit number you can invent yourself.''<br /> Save and close the config file. Now you can connect to..."
09:2209:22, 12 March 2024 diff hist +80 Main Page →Dedicated experiments pages

14:3014:30, 3 January 2024 diff hist −1 HTCondorDebug →What is happening to my running Jobs ?
14:2914:29, 3 January 2024 diff hist +1,440 HTCondorDebug →What is happening to my running Jobs ?
14:1014:10, 3 January 2024 diff hist 0 N File:Htop.png No edit summary current
14:0914:09, 3 January 2024 diff hist +2,258 N HTCondorDebug Created page with "== Why is my job still in queue ? == To see what is happening and why your jobs are not starting, use: <pre>> condor_q -better-analyze 2993001.0 -- Schedd: schedd03.wn.iihe.ac.be : <192.168.10.147:9618?... The Requirements expression for job 2993001.000 is (TARGET.Arch == "X86_64") && (TARGET.OpSys == "LINUX") && (TARGET.Disk >= RequestDisk) && (TARGET.Memory >= RequestMemory) && (TARGET.HasFileTransfer) Job 2993001.000 defines the following attributes: Disk..."
13:1813:18, 3 January 2024 diff hist +1,216 HTCFirstSubmissionGuide No edit summary
12:5712:57, 3 January 2024 diff hist −143 HTCondor No edit summary current

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