{"id":161177,"date":"2021-08-10T10:19:30","date_gmt":"2021-08-10T10:19:30","guid":{"rendered":"\/forum\/forums\/topic\/cant-get-passwordless-ssh-to-work-windows-10-client-rhel-cluster\/"},"modified":"2022-05-01T16:42:20","modified_gmt":"2022-05-01T16:42:20","slug":"cant-get-passwordless-ssh-to-work-windows-10-client-rhel-cluster","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cant-get-passwordless-ssh-to-work-windows-10-client-rhel-cluster\/","title":{"rendered":"Can&#8217;t get Passwordless SSH to work &#8211; Windows 10 Client \/ RHEL Cluster"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hi All,<\/p>\n<p>I&#039;m hoping someone can help me!<\/p>\n<p>We&#039;re currently facing an issue where we cannot initiate a Fluent run using passwordless SSH using the native Windows 10 SSH implementation.<\/p>\n<p>Info of the setup:<\/p>\n<ul>\n<li>Windows 10 20H2 client desktop with lastest ANSYS installation (2021 R2)<\/li>\n<li>Linux Cluster with 5 nodes\n<ul>\n<li>RHEL 7.9 (full up to date)<\/li>\n<li>ANSYS 2021 R2 installed in default path \/ansys_inc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>I have setup passwordless SSH on the client to all of the nodes (all have the same shared \/home directory via NFS) &#8211; this works absolutely fine via SSH from the Windows command prompt\/PowerShell. For testing purposes, I am just using the first node via &quot;Distributed Memory on a Cluster&quot; option.<\/p>\n<p>However, when I try to use the Fluent launcher, I get the following error message:<\/p>\n<pre class=\"code codeBlock\" spellcheck=\"false\">Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).\nError: It seems using ssh requires password for sdlpmcfd01. Please enable passwordless login and try again!\n<\/pre>\n<p>Here is the remote command we&#039;re using to spawn the run (username removed for privacy):<\/p>\n<pre class=\"code codeBlock\" spellcheck=\"false\">ssh -l&nbsp; username\n<\/pre>\n<p>I have made sure the .ssh\/authorized_keys on the nodes have the correct permissions (if this wasn&#039;t correct, the passwordless SSH connection via the Windows command prompt would fail).<\/p>\n<p>Any ideas or thoughts? <\/p>\n<p>I am happy to try a different connection method for SSH e.g. PuTTY or CygWin.. just need to get this working. We used to have a CentOS client for this which worked without issue.. not sure if the Windows implementation of SSH isn&#039;t compatiable.<\/p>\n<p>Cheers,<\/p>\n<p>Jake<\/p>\n","protected":false},"template":"","class_list":["post-161177","topic","type-topic","status-closed","hentry","topic-tag-fluent","topic-tag-passwordless-1","topic-tag-ssh-1","topic-tag-windows"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["1327"],"_bbp_likes_count":["0"],"_bbp_subscription":["235991"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["161177"],"_bbp_forum_id":["27796"],"_bbp_engagement":["20956","22555","58136"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["188594"],"_bbp_last_active_id":["188594"],"_bbp_last_active_time":["2022-05-01 16:42:20"]},"test":"jake-bloomfieldstirling-dynamics-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/161177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/161177\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=161177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}