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Problems after ubuntu upgrade from 7.10 to 8.04 LTS [message #35987] Sun, 10 May 2009 02:29 Go to next message
lifeforms is currently offline  lifeforms
Messages: 2
Registered: May 2009
Junior Member
Hi guys
i've upgraded my ubuntu 7.10 to 8.04 inside VE (i have no access to the host machine) and something is wrong - i cant access ssh.
through hypervm panel i've checked, using 'command center', if venet0 is up, and it seems properly configured so, anyone has any tips what could be wrong? /etc/network/interfaces and others look good (same as they were before upgrade) and every other network service runs smoothly, only that damned ssh tends to get me crazy. There is nothing unusual in /var/log/syslog nor in /var/log/messages

edit:
there is nothing in my iptables and i'm not using any firewalls.

[Updated on: Sun, 10 May 2009 02:34]

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Re: Problems after ubuntu upgrade from 7.10 to 8.04 LTS [message #35988 is a reply to message #35987] Sun, 10 May 2009 06:53 Go to previous messageGo to next message
kir is currently offline  kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia
Senior Member

I guess there are no tty devices in /dev that are needed by sshd. See http://wiki.openvz.org/Container_enter_failed -- it should help. Those /dev/ttyp* and /dev/ttyp* devices should be available.

Or, you have to have /dev/ptmx device plus devpts fs mounted on /dev/pts.


Kir Kolyshkin
http://static.openvz.org/userbars/openvz-developer.png
Re: Problems after ubuntu upgrade from 7.10 to 8.04 LTS [message #35989 is a reply to message #35988] Sun, 10 May 2009 10:47 Go to previous messageGo to next message
lifeforms is currently offline  lifeforms
Messages: 2
Registered: May 2009
Junior Member
i've listed & grepped /dev using command center of hypervm panel and it gave me this:

tty
tty0
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
ttyp0
ttyp1
ttyp2
ttyp3
ttyp4
ttyp5
ttyp6
ttyp7
ttyp8
ttyp9
ttypa
ttypb
ttypc
ttypd
ttype
ttypf


also there is ptmx device listed and

ptyp0
ptyp1
ptyp2
ptyp3
ptyp4
ptyp5
ptyp6
ptyp7
ptyp8
ptyp9
ptypa
ptypb
ptypc
ptypd
ptype
ptypf


so what else may be wrong?
Re: Problems after ubuntu upgrade from 7.10 to 8.04 LTS [message #36006 is a reply to message #35989] Mon, 11 May 2009 19:07 Go to previous message
kir is currently offline  kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia
Senior Member

Do I get it right that you are actually HyperVM customer? In that case why don't you try their support?

Still, more reasons for your problem that comes from the top of my head:

— shortage of numpty resource
— not mounted devpts fs (mentioned before but you haven't said anything about it)
— some problem specific to sshd (check logs)


Kir Kolyshkin
http://static.openvz.org/userbars/openvz-developer.png
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