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<b style="color: inherit; font-family: inherit; font-size: 14pt; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; background-color: ;">Certificate Expiration and Renewal</b><br>
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<span style="font-family: Arial, Helvetica, sans-serif;">Scientific Computing users should run the following command on an interactive machine prior to January 27th to ensure that they have an up-to-date certificate. This needs to be done to renew certificates
created prior to Nov. 11, 2019 that used an expiring certificate authority. </span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255)"><span style="margin: 0px; font-family: Consolas, Courier, monospace; background-color: rgb(255, 255, 255); display: inline !important;"><b><br>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255)"><span style="margin: 0px; font-family: Consolas, Courier, monospace; background-color: rgb(255, 255, 255); display: inline !important;"><b>jcert
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<span style="font-size: 14pt;"><b>Farm Upgrade and Auger default Operating System</b></span></div>
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The farm upgrade from CentOS 7.2 to CentOS 7.7 is nearing completion, and the majority of the farm's CPU resources are now on CentOS 7.7 nodes. As a result, jobs that require the remaining 7.2 nodes will queue longer than 7.7 jobs. </div>
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<span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">Auger jobs submitted after Tuesday morning, January 21st will default to CentOS 7.7. </span></div>
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To get the shortest wait time in the queue, Auger users may choose to run jobs on without regard to the OS version specifying the Auger OS tag as
<b><i>general</i></b>, for example:</div>
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<span style="font-family: Consolas, Courier, monospace;">PROJECT: MyProject</span></div>
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<div><span style="font-family: Consolas, Courier, monospace;">TRACK: MyTrack</span></div>
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<div><span style="font-family: Consolas, Courier, monospace;"><b>OS: general</b></span></div>
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<div><span style="font-family: Consolas, Courier, monospace;">JOBNAME: MyJob</span></div>
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<div><span style="font-family: Consolas, Courier, monospace;">MEMORY: 300 MB</span></div>
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<span style="font-family: Consolas, Courier, monospace;">COMMAND: ls -alF</span></div>
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<div style=""><font color="#000000" face="Arial, Helvetica, sans-serif"><span style="font-size: 12pt;">Jobs that require
</span>either<span style="font-size: 12pt;"> centos72 or centos77 should be submitted with the specific OS tag. The more generic centos7 tag is deprecated and is equivalent to centos72.</span></font><br>
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<div style=""><font color="#000000" face="Arial, Helvetica, sans-serif"><span style="font-size: 14pt;"><b>Interactive Farm Upgrade to CentOS 7.7</b></span></font></div>
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<div style=""><font color="#000000" face="Arial, Helvetica, sans-serif"><span style="font-size: 12pt;">On Tuesday, January 21st the
<i style="font-weight: bold;">ifarm.jlab.org</i> alias will be pointed to CentOS 7.7 hosts only. ifarm1801 will be upgraded to CentOS 7.7. After that change, the interactive farm will consist of ifarm1801 and ifarm1802 running Intel Skylake processors, and
ifarm1901 run AMD Epyc "Rome" processors. The older ifarm1401 and ifarm1402 systems will remain at CentOS 7.2 until the farm is completely transitioned, at which point they will be retired. </span></font></div>
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<div style=""><font color="#000000" face="Arial, Helvetica, sans-serif"><span style="font-size: 12pt;">--Bryan</span></font></div>
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