{"id":1450,"date":"2025-02-24T05:10:50","date_gmt":"2025-02-24T05:10:50","guid":{"rendered":"https:\/\/tiemensfamily.com\/timoncs\/?p=1450"},"modified":"2025-03-18T21:25:51","modified_gmt":"2025-03-18T21:25:51","slug":"ssh-path-canonicalization-failed","status":"publish","type":"post","link":"https:\/\/tiemensfamily.com\/timoncs\/2025\/02\/24\/ssh-path-canonicalization-failed\/","title":{"rendered":"SSH path canonicalization failed"},"content":{"rendered":"\n

Yet another “change stuff just to change stuff” explanation and fix.<\/p>\n\n\n\n

Problem: you see “No such file” or “path canonicalization failed” after an scp command line that used to work correctly.<\/p>\n\n\n\n

tim@timub2404:~\/eclipse-work$ scp -r  socialsecurity.git tim@reposerver:\/home\/tim\/\ntim@reposerver's password: \nscp: realpath \/home\/tim\/socialsecurity.git: No such file\nscp: upload \"\/home\/tim\/socialsecurity.git\": path canonicalization failed\nscp: failed to upload directory socialsecurity.git to \/home\/tim\/\n<\/code><\/pre>\n\n\n\n
Fix: add a “-O” argument to your “scp” command line:<\/p>\n\n\n\n
The -O tells scp to use the Original algorithm. <\/p>\n\n\n\n
tim@timub2404:~\/eclipse-work$ scp -r -O socialsecurity.git tim@reposerver:\/home\/tim\/\ntim@reposerver's password: \nHEAD                                          100%   21    11.5KB\/s   00:00    \n0b582a00b112f748f21bb23ffa752914571733        100%  824   319.8KB\/s   00:00    \nfc089c9ada51bd2c992218e71b647639bd1120        100%  845   612.1KB\/s   00:00    \n  <<snip unhelpful>> \nconfig                                        100%  136    98.3KB\/s   00:00    \n<\/code><\/pre>\n\n\n\n
Do you care why you need “-O”?  I know I don’t.  Ubuntu 24.04 upgraded its version of scp, so now you need it.  The current man page says “The legacy SCP protocol (selected by the -O flag) requires execution of the remote user’s shell to perform glob(3) pattern matching. This requires careful quoting of any characters that have special meaning to the remote shell, such as quote characters.”  <\/p>\n\n\n\n
Which, for the above example, is just incorrect.  The command line has no “~” or anything else that requires glob() pattern matching.<\/p>\n\n\n\n
BTW – another valid work-around is to put your directory into a single .tgz file, and scp that without the -r command line argument.<\/p>\n","protected":false},"excerpt":{"rendered":"
Yet another “change stuff just to change stuff” explanation and fix. Problem: you see “No such file” or “path canonicalization failed” after an scp command line that used to work correctly. Fix: add a “-O” argument to your “scp” command … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6,8],"tags":[],"_links":{"self":[{"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/posts\/1450"}],"collection":[{"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/comments?post=1450"}],"version-history":[{"count":2,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/posts\/1450\/revisions"}],"predecessor-version":[{"id":1458,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/posts\/1450\/revisions\/1458"}],"wp:attachment":[{"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/media?parent=1450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/categories?post=1450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tiemensfamily.com\/timoncs\/wp-json\/wp\/v2\/tags?post=1450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}