https://hpcwiki.uark.edu/ 2026-05-27T11:01:36+00:00 https://hpcwiki.uark.edu/ https://hpcwiki.uark.edu/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-05-20T21:49:12+00:00 dchaffin (dchaffin@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=reopening05-26&rev=1779313752&do=diff Cluster reopening 05/20/26 See hpcportal1_login,ssh_2fa for REQUIRED STEPS to use two-factor identification to login with ssh. All passwords are invalidated and replaced with Cirrus login and ssh keys to be regenerated from the OOD portal. Non-UA-Fayetteville or UA-system users may be delayed for a day or two, initially UAF VPN and UA system login is requred. text/html 2026-05-20T18:34:26+00:00 dchaffin (dchaffin@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=start&rev=1779302066&do=diff Arkansas HPCC User Support Wiki Return to AHPCC Web Site reopening05-26 Get Started: Get an Account | Portal Login | SSH Password-less Login | Off-campus Access | 2FA for SSH | System Etiquette Run Jobs: Selecting Resources | Slurm Scripts * Slurm scheduler: Pinnacle/Karpinski Pinnacle | Karpinski | Queues | Interactive Data: Filesystem/Quotas/Backups | Moving Data | File Permissions | Compression Software: Application Software | Environment Modules | Using MPI | Compiling… text/html 2026-05-10T21:46:54+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=off_campus_new&rev=1778449614&do=diff Off UofA Campus Network SSH Access Secure Shell (SSH) access to Pinnacle from the University of Arkansas, Fayetteville campus network and the local broadband provider in Fayetteville (Ozarks Go) is not restricted. To enable SSH access from outside of these networks you must take an additional step to register your source IP address and add it to the list of IPs allowed to access the SSH server on Pinnacle. text/html 2026-05-10T21:45:14+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=ssh_2fa&rev=1778449514&do=diff 2FA SSH Access Two Factor Authentication (2FA) is an additional layer of security that can be configured automatically for Secure Shell (SSH) access for your account on Pinnacle. To enable it 1. log into the web portal at: <https://hpc-portal2.hpc.uark.edu> 2. In the top menu go to text/html 2026-05-10T21:44:23+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=ssh_login_nopass&rev=1778449463&do=diff SSH Password-less Login The secure shell (SSH) server on hpc-portal2.hpc.uark.edu does not accept passwords as an authentication method. Instead, SSH key files are used for access. A public SSH key file is stored in your account on Pinnacle. A matching private key (pinnacle.key) file has to be supplied as a parameter to the ssh command on the client to log in. text/html 2026-05-10T21:41:43+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?id=hpcportal1_login&rev=1778449303&do=diff Web Portal Login <https://hpc-portal2.hpc.uark.edu> is an OpenOnDemand web portal, a graphical interface to the scheduler running on the AHPCC cluster. It uses a new authentication procedure which no longer relies on the UofA's locally maintained LDAP or Active Directory services. <https://hpc-portal2.hpc.uark.edu> Users from any of the University of Arkansas System (UASys) text/html 2026-04-29T21:20:39+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth8.png&ns=0&rev=1777497639&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=ea1dc2&amp;media=hpc-portal1-auth8.png" alt="hpc-portal1-auth8.png" loading="lazy" width="500" height="500" /> text/html 2026-04-29T21:19:17+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth7.png&ns=0&rev=1777497557&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=45a5be&amp;media=hpc-portal1-auth7.png" alt="hpc-portal1-auth7.png" loading="lazy" width="500" height="500" /> text/html 2026-04-29T14:33:49+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth6.png&ns=0&rev=1777473229&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=6835e2&amp;media=hpc-portal1-auth6.png" alt="hpc-portal1-auth6.png" loading="lazy" width="500" height="500" /> text/html 2026-04-28T23:56:01+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth4.png&ns=0&rev=1777420561&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=fc8540&amp;media=hpc-portal1-auth4.png" alt="hpc-portal1-auth4.png" loading="lazy" width="500" height="500" /> text/html 2026-04-28T23:46:50+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth5.png&ns=0&rev=1777420010&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=0abd71&amp;media=hpc-portal1-auth5.png" alt="hpc-portal1-auth5.png" loading="lazy" width="500" height="500" /> text/html 2026-04-28T20:57:19+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth3.png&ns=0&rev=1777409839&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=35cfb7&amp;media=hpc-portal1-auth3.png" alt="hpc-portal1-auth3.png" loading="lazy" width="500" height="500" /> text/html 2026-04-28T20:56:59+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth2.png&ns=0&rev=1777409819&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=360e91&amp;media=hpc-portal1-auth2.png" alt="hpc-portal1-auth2.png" loading="lazy" width="500" height="500" /> text/html 2026-04-28T20:55:58+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=hpc-portal1-auth1.png&ns=0&rev=1777409758&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=cf7eea&amp;media=hpc-portal1-auth1.png" alt="hpc-portal1-auth1.png" loading="lazy" width="500" height="500" /> text/html 2023-08-24T17:57:10+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=cirrusbridge1.png&ns=0&rev=1692899830&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=0e0566&amp;media=cirrusbridge1.png" alt="cirrusbridge1.png" loading="lazy" width="500" height="500" /> text/html 2023-08-24T17:57:09+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=cirrusbridge2.png&ns=0&rev=1692899829&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=1f0aa5&amp;media=cirrusbridge2.png" alt="cirrusbridge2.png" loading="lazy" width="500" height="500" /> text/html 2023-08-24T17:57:09+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=cirrusbridge3.png&ns=0&rev=1692899829&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=29bdf5&amp;media=cirrusbridge3.png" alt="cirrusbridge3.png" loading="lazy" width="500" height="500" /> text/html 2023-08-24T17:57:09+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=cirrusbridge-g1.png&ns=0&rev=1692899829&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=c461e2&amp;media=cirrusbridge-g1.png" alt="cirrusbridge-g1.png" loading="lazy" width="500" height="500" /> text/html 2023-08-24T17:57:08+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=cirrusbridge-g2.png&ns=0&rev=1692899828&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=b28578&amp;media=cirrusbridge-g2.png" alt="cirrusbridge-g2.png" loading="lazy" width="500" height="500" /> text/html 2023-08-21T20:25:21+00:00 pwolinsk (pwolinsk@undisclosed.example.com) https://hpcwiki.uark.edu/doku.php?image=ssh-cert2.png&ns=0&rev=1692649521&tab_details=history&media_do=diff&do=media <img src="https://hpcwiki.uark.edu/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=0f79be&amp;media=ssh-cert2.png" alt="ssh-cert2.png" loading="lazy" width="500" height="500" />