Martin Asked: 2012-10-28 05:23:25 +0800 CST2012-10-28 05:23:25 +0800 CST 2012-10-28 05:23:25 +0800 CST Add comment to existing SSH public key 772 I have an existing SSH key (public and private), that was created with ssh-keygen. How can I add a comment to this existing key? ssh 2 Answers Voted Best Answer cjc 2012-10-28T05:26:33+08:002012-10-28T05:26:33+08:00 Just add a space after the key and put in the comment, e.g.: ssh-dss AAAAB3NzaC1kc3MAAACBAN+NX/rmUkRW7Xn7faglC/pxqbVIohbcVOt41VThMYORtMQr QSqMZugxew2s9iX4qRowHWLBRci6404nSydLiDe1q6/NmpK+oQ8zD1yXekl+fruBAYeno7f6dM7c 2swwwXY6knp4umXkLItxIUki6SXM0WfabJ8BwuNDyA8IrbFAAAAFQCynEN3MYXbs4AA7E/1I03jb B1rewAAAIAztzZUygrUI8XX6eE4zEHdTbv89AHYsAsf7fSAWnPxWc63dV0P5lCPNk58nze6+N+MD X7ZQADT6710fvbOmEFLciTwBGHHLxIV+1iTApJSsQp9T+pdkbFzBZ+mqQamZpSN1hC8fXe/Uty0D SbhnQ1qanwrOdKP1JV7DUgzehSfAAAAIEAwAyNYxUsGil46gZQea6sfhUnrBwyM6JnEbA6ogfGdS T2TDn1U5rfTV9UuNHzfoZ4CplVHclXyUPPhbKqcedpuRPJhHN/lp5MH7Q2tI/UxHvmePNHrXKk86 XYt7RzKHjWbHRxf84GIyTlKa8yfNfFlf9oNXdtBXcsJjHIvNsBk= ThisIsAComment The man page for sshd has a section on the authorized_keys format, where it states that the comment extends to the end of the line. While I haven't tried it, you should be able to put spaces into the comment. W4rlock 2018-02-27T01:10:18+08:002018-02-27T01:10:18+08:00 Just start the line with a # sign, then the whole line will be treated as a comment See the man page of authorized_keys
Just add a space after the key and put in the comment, e.g.:
The man page for sshd has a section on the authorized_keys format, where it states that the comment extends to the end of the line. While I haven't tried it, you should be able to put spaces into the comment.
Just start the line with a
#sign, then the whole line will be treated as a commentSee the man page of authorized_keys