ssh in network

[Dazed_75]

server needs to be installed on any and all machines you want to ssh TO.
Server is the component/daemon that listens for a request to connect.

On Mon, Apr 2, 2012 at 12:55 PM, Michael Havens <bmike1 at gmail.com> wrote:

> guess what I just found out.... openssh-server wasn't installed  on the
> laptop. So I installed it and now  netstat has the same line on it that
> says port 22
>
>
>   sudo netstat -antp | grep 22
>   tcp        0      0 0.0.0.0:22              0.0.0.0:*
> LISTEN      433/sshd
>
> However, I still can't ssh to the ubuntu. But I scan ssh from  the ubuntu
> to the mint. Yipee!
>
>
>
> On Mon, Apr 2, 2012 at 9:26 AM, Michael Havens <bmike1 at gmail.com> wrote:
>
>> On Sun, Apr 1, 2012 at 7:28 PM, Lisa Kachold <lisakachold at obnosis.com>
>> wrote:
>> >Are you colorblind?
>> ^---------------------------------- only slightly
>>
>> >respond inline.
>>
>> ^---------------------------------------not sure what you mean.
>>
>> >Let's address each item until we resolve things:
>>    On Sun, Apr 1, 2012 at 5:49 PM, Michael Havens <bmike1 at gmail.com>
>> wrote:
>> >>>A route add command is not persistent past a reboot or network restart.
>> >>It seems to have been. I rebooted and still can't ssh from the laptop
>> to the ubuntu.
>> >But you couldn't also ssh BEFORE you did the route add so these are two
>> different things.
>> Yes I could. I could ssh from the laptop to the ubuntu (printserver)
>> until I issued the command ' sudo ip route add 192.168.1.0/24<http://192.168.0.1/24>dev eth0' on the ubuntu on the advice of my google search. Then I tried to
>> delete it and add the proper route (192.168.0.1) but that didn't help any.
>>
>> >Take down your wlan (are you using wicd?)
>>
>> ^-----------Wireless is now off. I don't know what Mint uses... it
>> doesn't say.
>> >>>Verify that both boxes have a listening ssh daemon:
>>
>> >># sudo netstat -antp | grep 22
>>
>> >>tcp        0      0 0.0.0.0:22              0.0.0.0:*
>> LISTEN      433/sshd
>>
>> >><ubuntu>
>>
>> >>tcp        0      0 0.0.0.0:139             0.0.0.0:*
>> LISTEN      12243/smbd
>>
>> >>tcp        0      0 0.0.0.0:445             0.0.0.0:*
>> LISTEN      12243/smbd
>>
>> >><laptop>
>>
>> >Good you have sshd listening on port 22 on ubuntu.
>>
>> >You do NOT have sshd (daemon) listening on your laptop.
>>
>> >Be sure you have started it if you want to ssh to the laptop from ubuntu:
>>
>> ># sudo /etc/init.d/ssh start
>>
>> >In order to make sure ssh starts at boot in Ubuntu:
>>
>> ># sudo update-rc.d ssh defaults <-------------done
>>
>> >Reference:  https://help.ubuntu.com/community/UbuntuBootupHowto
>>
>> >>Make sure you haven't installed DenyHosts or iptables that limits your
>> connections:
>>
>> >># locate Deny |more
>>
>> >># sudo iptables-save |more
>>
>> >sudo locate Deny|more <------------------no respose
>>
>> >sudo locate iptables-save|more
>>
>> >/sbin/iptables-save
>>
>> >/usr/share/man/man8/iptables-save.8.gz
>>
>> >enter
>>
>> ># sudo iptables-save
>>
>> >You are looking to see if your iptables is up and configured to firewall
>> ssh.  Dump the response in here.
>>
>>  bmike1 at Michaels-PC:~$ sudo locate iptables-save
>> /sbin/iptables-save
>> /usr/share/man/man8/iptables-save.8.gz
>> bmike1 at Michaels-PC:~$
>>
>>
>> >Oops, sorry wrong link! ddclient is for opendns dynamic dns entries,
>> that logs into your provider and resets a public ip when needed.  Turn it
>> down for now:*
>> # sudo /etc/init.d/ddclient stop*
>>
>> ^-----------------done
>>
>>
>> >Here's how to set it up (once you get ssh setup); it requires an opendns
>> account.
>> >http://ubuntuforums.org/showthread.php?t=1264710
>> <http://ubuntuforums.org/showthread.php?t=1264710>
>>  ^--if you can remember please remind me later<http://ubuntuforums.org/showthread.php?t=1264710>
>>
>>  <http://ubuntuforums.org/showthread.php?t=1264710>
>> >your system is updated, if it runs?  Correct?
>> ^------------ Correct
>>
>> >Check your /etc/nsswitch.conf file to be sure it has
>> >"hosts: files dns" Reference:
>> http://www.faqs.org/docs/securing/chap6sec71.html
>> I'm not sure what you want here. Here is the file:
>> # /etc/nsswitch.conf
>> passwd: compat
>> group: compat
>> shadow: compat
>> hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
>> networks: files
>> protocols: db files
>> services: db files
>> ethers: db files
>> rpc: db files
>> netgroup: nis
>>
>> >Then ping each server before trying to reconnect with ssh.<--- they ping
>> both ways.
>>
>> >I am pretty sure that this will work now that you have them both on the
>> same network. Be sure you don't
>> >have any iptables running denying your port 22 on both servers! iptables
>> -L doesn't have any deny rules in it
>>
>> I don't see any deny rules in my iptables.
>> --
>> :-)~MIKE~(-:
>>
>
>
>
> --
> :-)~MIKE~(-:
>
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-- 
Dazed_75 a.k.a. Larry

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