Re: K12OSN Digest, Vol 123, Issue 1

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2014-12-21 18:00 GMT+01:00 <[email protected]>:

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> Today's Topics:
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>    1. ldm ssh login failing (Barry R Cisna)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 21 Dec 2014 07:34:40 -0600
> From: Barry R Cisna <[email protected]>
> To: K12LTSP <[email protected]>
> Subject: [K12OSN] ldm ssh login failing
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="UTF-8"
>
> Hello All,
>
> Fresh install of CentOS 6.6 with the latest ltsp build.
>
> Problem:
> When logging in a client machine the user gets a hang of about 30
> seconds,after entering password  verifying password disappears,of a
> solid blue screen then drops back to long in screen.
> Never see the "restarting server" routine on this one.
> This is the same for root as well, for completeness.
>
> Troubleshooting stuff:
> After wrangling with this for 3 days off and on,I allowed only a shell
> login and the machine will come up to a root shell fine.
>
> I have re-installed the client build from scratch a second time and come
> with same situation.
>
> I have done the ltsp-update-sshkeys & ltsp-update-kernels umpteen times
> as well.
>
> Logs:
>  What is very odd at the user(testuser) login ., the secure logs it
> shows the username is accepted  by pam_unix , then directly after that
> there are many line of  "failed password for root from
> serveripaddress".
> I never remember seeing the root password in logs before,or maybe
> because logins have always worked in all previous builds for me?
>
>
> ----------------------------------------------------------------------------
>
> Dec 19 13:39:57 wc19 sshd[5072]: Accepted password for testuser from
> 172.28.12.5 port 45076 ssh2
> Dec 19 13:39:57 wc19 sshd[5072]: pam_unix(sshd:session): session opened
> for user testuser by (uid=0)
> Dec 19 13:39:58 wc19 sshd[5097]: Failed password for root from
> 172.28.12.5 port 45077 ssh2
> Dec 19 13:39:58 wc19 sshd[5097]: Failed password for root from
> 172.28.12.5 port 45077 ssh2
> Dec 19 13:39:58 wc19 sshd[5099]: Connection closed by 172.28.12.5
> Dec 19 13:39:58 wc19 sshd[5100]: Failed password for root from
> 172.28.12.5 port 45078 ssh2
> Dec 19 13:39:58 wc19 sshd[5100]: Failed password for root from
> 172.28.12.5 port 45078 ssh2
> Dec 19 13:39:58 wc19 sshd[5102]: Connection closed by 172.28.12.5
> Dec 19 13:39:59 wc19 sshd[5103]: Failed password for root from
> 172.28.12.5 port 45079 ssh2
> Dec 19 13:39:59 wc19 sshd[5103]: Failed password for root from
> 172.28.12.5 port 45079 ssh2
> Dec 19 13:39:59 wc19 sshd[5105]: Connection closed by 172.28.12.5
> Dec 19 13:39:59 wc19 sshd[5106]: Failed password for root from
> 172.28.12.5 port 45080 ssh2
> Dec 19 13:39:59 wc19 sshd[5106]: Failed password for root from
> 172.28.12.5 port 45080 ssh2
> Dec 19 13:39:59 wc19 sshd[5109]: Connection closed by 172.28.12.5
> Dec 19 13:39:59 wc19 sshd[5110]: Failed password for root from
> 172.28.12.5 port 45081 ssh2
> Dec 19 13:39:59 wc19 sshd[5110]: Failed password for root from
> 172.28.12.5 port 45081 ssh2
> Dec 19 13:39:59 wc19 sshd[5112]: Connection closed by 172.28.12.5
> Dec 19 13:40:00 wc19 sshd[5113]: Failed password for root from
> 172.28.12.5 port 45082 ssh2
> Dec 19 13:40:00 wc19 sshd[5113]: Failed password for root from
> 172.28.12.5 port 45082 ssh2
> Dec 19 13:40:00 wc19 sshd[5115]: Connection closed by 172.28.12.5
> Dec 19 13:40:00 wc19 sshd[5116]: Failed password for root from
> 172.28.12.5 port 45083 ssh2
> Dec 19 13:40:00 wc19 sshd[5116]: Failed password for root from
> 172.28.12.5 port 45083 ssh2
> Dec 19 13:40:00 wc19 sshd[5118]: Connection closed by 172.28.12.5
> Dec 19 13:40:00 wc19 sshd[5119]: Failed password for root from
> 172.28.12.5 port 45084 ssh2
> Dec 19 13:40:00 wc19 sshd[5119]: Failed password for root from
> 172.28.12.5 port 45084 ssh2
> Dec 19 13:40:00 wc19 sshd[5121]: Connection closed by 172.28.12.5
> Dec 19 13:40:01 wc19 sshd[5122]: Failed password for root from
> 172.28.12.5 port 45085 ssh2
> Dec 19 13:40:01 wc19 sshd[5122]: Failed password for root from
> 172.28.12.5 port 45085 ssh2
> Dec 19 13:40:01 wc19 sshd[5124]: Connection closed by 172.28.12.5
> Dec 19 13:40:02 wc19 sshd[5075]: Received disconnect from 172.28.12.5:
> 11: disconnected by user
> Dec 19 13:40:02 wc19 sshd[5072]: pam_unix(sshd:session): session closed
> for user testuser
> Dec 19 13:45:44 wc19 sshd[5333]: Accepted password for testuser from
> 172.28.12.5 port 45087 ssh2
>
> -----------------------------------------------------------------------
>
> Thank You,
> Barry
>
>
>
>
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> End of K12OSN Digest, Vol 123, Issue 1
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