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Re^11: [OT] A New Everything ?

by afoken (Canon)
on Sep 25, 2020 at 06:30 UTC ( #11122189=note: print w/replies, xml ) Need Help??


in reply to Re^10: [OT] A New Everything ?
in thread [OT] A New Everything ?

Aldebaran is telling you that /home/fred does not exist.

You are right, I misread that part.

Update: I misread "home" as $ENV{HOME} instead of /home, and I used "home" in my previous answer to mean $ENV{HOME}, not /home.

Alexander

--
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

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Re^12: [OT] A New Everything ?
by Aldebaran (Deacon) on Sep 25, 2020 at 07:07 UTC
    Aldebaran is telling you that /home/fred does not exist.

    That did throw me for my first of many "what the heck" moments. I soon created barney with the right command. I misunderstood a good handful of things in trying to get barney's ssh squared away, so I moved on to wilma. I needed to have directories and files set with proper ownership, e.g. wilma needs to own .ssh . One thing I was reading wrong was that I thought authorized_keys was a directory that contained files. Not so.

    We're getting deep down into the weeds of this thread, and I've gotten a lot of great help on a nebulus and moving target, but we get fewer eyes down here, and I don't want to punish the people who are helping me by keeping it going forever. I'm close with wilma and I think I'm gonna get over on betty. Here's my latest attempt with wilma:

    Thanks all for comments.

      root@third:/home/wilma/.ssh# echo id_rsa.pub >>authorized_keys

      The authorized_keys file is not a list of filenames; it is a list of keys themselves. At this point you should just have done something akin to

      $ cat id_rsa.pub > authorized_keys

      HTH.


      🦛

        better >> than > to avoid clobbering. Alternatively ssh-add might be available.

      You'd have saved yourself a lot of time and effort if you'd read the DigitalOcean tutorials on this subject.

        You'd have saved yourself a lot of time and effort if you'd read the DigitalOcean tutorials on this subject.

        Maybe. I wouldn't say the time was wasted when I needed to read up so much with unix again, along with a new vendor to me, DigitalOcean. Also, I just had to make half a dozen big mistakes on my own time, but success was achieved 12 days after my first droplet formed. I may have twisted my arm off patting my own back when I used vi correctly, but ALL THREE TIMES, I locked myself out. Somewhere along the line, I found the button for "send me a new root password."

        Furthermore, I wouldn't call the process as linear as digital ocean might make it seem with their hyperlinks. set-up-ssh-keys has many pointers, but I don't think it has anything about chown'ing and chmod'ing .ssh and authorized_keys. Many hyperlinks don't make the search more specific.

        The above gives this line of code, which I could never get to work:

        cat ~/.ssh/id_rsa.pub | ssh username@remote_host "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"

        Similarly, I couldn't get this to work, and not for lack of trying:

        ssh-copy-id -i id_rsa.pub wilma@143.110.153.42

        What did work was doing it from scratch. From my laptop:

        scp id_rsa.pub root@164.90.158.33::/home/fred/.ssh

        Log-in as root one last time:

        root@fourth:/home/fred# cd .ssh/ root@fourth:/home/fred/.ssh# ls -al total 12 drwx------ 2 fred fred 4096 Sep 26 23:38 . drwxr-xr-x 3 fred fred 4096 Sep 26 23:36 .. -rw-r--r-- 1 root root 419 Sep 26 23:38 id_rsa.pub root@fourth:/home/fred/.ssh# cat id_rsa.pub > authorized_keys root@fourth:/home/fred/.ssh# chown fred:fred authorized_keys root@fourth:/home/fred/.ssh# chmod 600 authorized_keys -rw------- 1 fred fred 419 Sep 26 23:43 authorized_keys -rw-r--r-- 1 root root 419 Sep 26 23:38 id_rsa.pub root@fourth:/home/fred/.ssh#

        And finally, log-in as fred:

        fred@fourth:~/.ssh$ ls -al total 16 drwx------ 2 fred fred 4096 Sep 26 23:43 . drwxr-xr-x 4 fred fred 4096 Sep 26 23:46 .. -rw------- 1 fred fred 419 Sep 26 23:43 authorized_keys -rw-r--r-- 1 root root 419 Sep 26 23:38 id_rsa.pub fred@fourth:~/.ssh$ .. fred@fourth:~$ ls -al total 32 drwxr-xr-x 4 fred fred 4096 Sep 26 23:46 . drwxr-xr-x 3 root root 4096 Sep 26 20:57 .. -rw-r--r-- 1 fred fred 925 Sep 26 23:39 .bash_aliases -rw-r--r-- 1 fred fred 220 Sep 26 20:57 .bash_logout -rw-r--r-- 1 fred fred 3771 Sep 26 20:57 .bashrc drwx------ 2 fred fred 4096 Sep 26 23:46 .cache -rw-r--r-- 1 fred fred 0 Sep 26 20:57 .cloud-locale-test.skip -rw-r--r-- 1 fred fred 807 Sep 26 20:57 .profile drwx------ 2 fred fred 4096 Sep 26 23:43 .ssh fred@fourth:~$

        Thanks all for criticisms and comments,

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