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Linux Public Key Authentication Not Working


Thanks for the howto!

From: Ferdinand Gruber Reply I cannot understand the necessity of this command:    mv id_rsa.pub ~/.ssh Why do you move the public key into ~/.ssh on share|improve this answer edited Jun 3 '14 at 19:31 Anthon 48k1464127 answered Jun 3 '14 at 18:36 Will 211 add a comment| up vote 1 down vote For me, the solution Is there any other setting that I have to go through to make it work? By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. http://itenlightenment.com/not-working/linux-not-working.html

share|improve this answer answered Apr 16 '12 at 14:44 Wojtek Rzepala 1,656820 Yeah, I noticed that too about the overwrite, but I didn't have any, so it didn't matter. Cement pavers for desposal Is there a special name for keyboards that only have a few keys? How To Copy a Public Key to your Server If you already have a server available and did not embed keys upon creation, you can still upload your public key and It should start with ssh-rsa AAAA....

Passwordless Ssh Not Working Linux

To use the utility, you simply need to specify the remote host that you would like to connect to and the user account that you have password SSH access to. I have set up an RSA key on my box for [email protected] (the basic Kubuntu machine name) and I copied/added the rsa_id_nopass.pub file to the end of the destination server's ~/.ssh/authorized_keys2 Enter file in which to save the key (/home/username/.ssh/id_rsa): The utility will prompt you to select a location for the keys that will be generated.

You might also double-check permissions on the .ssh directory and files. share|improve this answer answered Mar 5 '14 at 0:42 h99 311 add a comment| up vote 2 down vote user is your username mkdir -p /home/user/.ssh ssh-keygen -t rsa touch /home/user/.ssh/authorized_keys Attack and Release times of the Automatic Gain Control The pun worked in English, but what was it in Japanese? Authentication Refused: Bad Ownership Or Modes For Directory The /home/mpiuser/.ssh file is shared among all the nodes so just doing the keygen on the master to these files should be working.

Score a hand of Hearts What is the differences between && and | in bash script? Ssh No Password Prompt For each loop showing decimal point when I don't want it to Previous examples of large scale protests after Presidential elections in US? In my case the problem was that I installed hadoop cloudera (from rpm on centos 6) and it created user hdfs with home directory /var/lib/hadoop-hdfs (not standard /home/hdfs). http://stackoverflow.com/questions/6377009/adding-public-key-to-ssh-authorized-keys-does-not-log-me-in-automatically The public key can be used to encrypt messages that only the private key can decrypt.

Run passwd username to set one. Authentications That Can Continue: Publickey,gssapi-keyex,gssapi-with-mic,password This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. Useful Links: http://www.openssh.org http://en.wikipedia.org/wiki/Secure_Shell view as pdf | print Share this page: Tweet Follow 6 Comment(s) Add comment Name * Email * Comments From: Reply here are a couple of Visit the following links: Site Howto | Site FAQ | Sitemap | Register Now If you have any problems with the registration process or your account login, please contact us.

Ssh No Password Prompt

What is a positive descriptor for someone that doesn't care about anything/is always neutral? Any compromise of the private key will allow the attacker to log into servers that are configured with the associated public key without additional authentication. Passwordless Ssh Not Working Linux You can have a look at the command, it's a simple script. Authorized_keys Not Working SSH will ignore the file if it does not have restrictive permissions. –Navin Oct 31 '14 at 5:54 this is the best answer! –Bobo Feb 2 '15 at 14:17

So for all others out there I think it only right to add a few terms for searching here: putty keys do not connect cannot ssh connect to linux server Fedora navigate here I have edited the ssh_config file (both on local machine and server) to use RSAAuthentication yes PubkeyAuthentication yes and restarted the sshd server on both machines. This step will lock down password-based logins, so ensuring that you have will still be able to get administrative access is essential. So we had to go one step further. Failed Publickey For

Jun 13 22:18:27 laptop-camil sshd[12345]: Authentication refused: bad ownership or modes for directory /.ssh Jun 13 22:18:30 laptop-camil sshd[12345]: Accepted password for camilstaps from port 48407 ssh2 Jun 13 22:18:30 Could fix other odd problems.) –ospalh Sep 24 '15 at 7:58 | show 2 more comments up vote 50 down vote setting ssh authorized_keys seem to be simple but hides some To force the use of PKI only and to disallow passwords find the line #PasswordAuthentication yes in your file, uncomment it and set it to PasswordAuthenticate no I would also read http://itenlightenment.com/not-working/linux-usb-not-working.html If no .ssh directory or authorized_keys file exists, it creates them or if they do, it appends the key to the end of the authorized key file.

From: Reply Hi,

Flat renting in Berlin for medium-term period Is adding the ‘tbl’ prefix to table names really a problem? We Sent A Publickey Packet, Wait For Reply Find More Posts by alunduil 06-06-2007, 02:48 PM #3 jeenam Member Registered: Dec 2006 Distribution: Slackware 11 Posts: 144 Rep: Try copying ~/.ssh/authorized_keys2 to ~/.ssh/authorized_keys. If you choose to overwrite the key on disk, you will not be able to authenticate using the previous key anymore.

If something goes wrong, checking what sshd has complained in /var/log/secure will quickly narrow down the possible issues.

Are you new to LinuxQuestions.org? getConfig returns null How could Weyoun be present during signing of peace treaty? simon.sweetman View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by simon.sweetman 05-12-2009, 03:33 PM #7 doc.nice Member Registered: Oct 2004 Location: Germany We Did Not Send A Packet, Disable Method After adding it everything works fine.

yes This just means that your local computer does not recognize the remote host. ECDSA key fingerprint is fd:fd:d4:f9:77:fe:73:84:e1:55:00:ad:d6:6d:22:fe. place the your_key.pub to target machine ssh-copy-id [email protected]_name if you didn't create default key this is the first step to go wrong ... this contact form I am wondering if your modification broke things, especially the AuthorizedKeysFile line.

QGIS Expression builder cannot filter Why is で used here? As long as the permissions are correct for .ssh and the underlying files are correct and the PermitRootLogin line of sshd_config is set to yes you should be good. Why is で used here? Hope this helps.

Although there are other methods of adding additional security (fail2ban, etc.), SSH keys prove to be a reliable and secure alternative. share|improve this answer answered Jan 26 at 6:39 pppk520 686 add a comment| up vote 0 down vote My problem was a modified AuthorizedKeysFile, when the automation to populate /etc/ssh/authorized_keys had I just edited "StrictModes" to "no" in the "sshd_config" file and now everything works. Jun 13 22:17:56 laptop-camil sshd[12344]: Server listening on :: port 22.

For Debian: less /var/log/auth For Redhat: less /var/log/secure share|improve this answer edited Nov 24 '15 at 19:45 answered Oct 22 '14 at 11:23 DevNull 2,943421 add a comment| up vote 2 Make sure /home/git/.ssh/authorized_keys has a mode of 600 (-rw-------). Now from bothways I am able to do passwordless ssh. Code ladder, Cops What is the difference between two condition evaluation approaches in bash Is there any benefit from using SHA-512 over SHA-256?

By: Justin Ellingwood Upvote102 Subscribe Subscribed Share Spin up an SSD cloud server in under a minute. How has Linux geek culture reacted to Esperanto over the years? Unfortunately it isn't giving me root or regular user access at all; 'ssh [email protected]' is acting like it would had none of my work been done. SSH is a great tool to control Linux-based computers remotely.

Thus, permissions can be as 'open' as 755 for both directories, if you're so inclined. Why the switch from "ihr" to "Sie" in the following speech from Band of Brothers? If you did not supply a passphrase for your private key, you will be logged in immediately. SSH keys provide an easy, yet extremely secure way of logging into your server.

Please visit this page to clear all LQ-related cookies. I'm editing /.ssh, but both the root and the camilstaps user have homedir /, so that would be the same as ~user/.ssh if I'm not mistaken. –Camil Staps Jun 13 '13 The home directory of both the user and the root is /. An SSH server can authenticate clients using a variety of different methods.