[Lxc-users] Ubuntu sshd template

[Gary Ballantyne]

On 2/1/2011 11:05 PM, Daniel Lezcano wrote:
> On 02/01/2011 12:16 AM, Gary Ballantyne wrote:
>> Hi
>>
>> Would greatly appreciate any help getting the sshd template working on
>> my Ubuntu 9.1 host.
>>
>> I can ssh to and from the container and host when the container is
>> generated by:
>>
>> lxc-execute -n foo2 -f /usr/share/doc/lxc/examples/lxc/lxc-veth-gb.conf
>> /bin/bash
>>
>> Here I have slightly modified the example conf file:
>>
>> # Container with network virtualized using a pre-configured bridge named
>> br0 and
>> # veth pair virtual network devices
>> lxc.utsname = gb1
>> lxc.network.type = veth
>> lxc.network.flags = up
>> lxc.network.link = br0
>> lxc.network.ipv4 = 10.89.233.15/24
>>
>> Also, I can create a sshd template using "./lxc-sshd create" (ip =
>> 10.89.233.13/24).
> 
> What version of lxc are you using ?

Sorry, stupid thing to leave out: 0.6.3-1 (installed with apt-get).

>> However, the container doesn't appear to start (or, at least, persist)
>> with the suggested command:
>>
>> # lxc-execute -n sshd /usr/sbin/sshd&
>> [1] 7612
>> # lxc-info -n sshd                  'sshd' is STOPPED
>> [1]+  Exit 139                lxc-execute -n sshd /usr/sbin/sshd
>>
>> But, I can start the container with:
>>
>> # lxc-start -n sshd&
>> [1] 7623
>> # lxc-info -n sshd
>> 'sshd' is RUNNING
>>
>> And I can ping the container:
>>
>> root at haulashore1:/usr/share/doc/lxc/examples# ping 10.89.233.13
>> PING 10.89.233.13 (10.89.233.13) 56(84) bytes of data.
>> 64 bytes from 10.89.233.13: icmp_seq=1 ttl=64 time=9.81 ms
>> 64 bytes from 10.89.233.13: icmp_seq=2 ttl=64 time=0.049 ms
>>
>> But, I can't ssh to the container:
>>
>> # ssh 10.89.233.13
>> ssh: connect to host 10.89.233.13 port 22: Connection refused
> 
> What is the output of lxc-ps --lxc ?

# lxc-start -n sshd &
[1] 8727

# lxc-ps --lxc
CONTAINER    PID TTY          TIME CMD
sshd        8728 ?        00:00:00 init

>> (And, I can't connect with lxc-console)
>>
>> # lxc-console -n sshd
>> lxc-console: failed to connect to the tty service
> 
> Yeah, with the sshd template you can't because there is only the sshd
> daemon running inside, no mingetty respawned by an init process and the
> console configuration is not set for this template.
>