archlinux 升级到最新版后
ssh-copy-id 命令确实会有这个问题

/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/michael/.ssh/id_rsa.pub"
/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
/bin/ssh-copy-id: line 251: warning: here-document at line 251 delimited by end-of-file (wanted `EOF')
/bin/ssh-copy-id: line 250: warning: here-document at line 250 delimited by end-of-file (wanted `EOF')
/bin/ssh-copy-id: line 254: /dev/null`: Permission denied
/bin/ssh-copy-id: line 260: EOF: command not found

https://bbs.archlinux.org/viewtopic.php?id=259559
看到fedora也有：
https://bugzilla.redhat.com/show_bug.cgi?id=1884231