I recently updated the kernel my VPS was running and it resulted in an unbootable system.
From the recovery console
You should then be able to see /dev/xvda1. You can mount this to read the data off your partition
mkdir tmp-root mount /dev/xvda1 /tmp-root
In my case I needed to edit the /etc/rc.conf file and add the following to the MODULES section
xen-platform-pci xen_netfront xen-blkfront xen-pcifront xenfs
Save the file and reboot and exit out of the recovery console and it’ll hopefully continue to boot.
After this things seem to be working ok, but I’m unable to reboot the server without having to login to the console and modprobe xen-blkfront again. Simply doing that 1 thing and ten exiting the recovery console allows the system to boot again. I’m assuming that there’s a kernel module that I need to compile in somewhere but am unsure where exactly.
I’ve been testing out amanda recently and got stuck when trying to test the ‘amrecover’ program. I was constantly getting a ‘connection refused’ error and the following output in the debug log
1330398284.772118: amrecover: connect_portrange: Connect from 0.0.0.0.516 failed: Connection refused 1330398284.772130: amrecover: connect_portrange: connect to 172.16.2.134.10080 failed: Connection refused 1330398284.772145: amrecover: stream_client: Could not bind to port in range 512-1023.
The solution to this was to edit the server and change the /etc/xinetd.conf/am* files with the following settings
socket_type = stream wait = no protocol = tcp
Restart xinetd and you should be able to get further along. Now to find out why I’m getting an EOF error sigh
Took me a while to figure this out but it’s simple to do. In snmpd.conf add the following
This will make snmpd listen on all interfaces on port 8080. 8080 can be changed to whatever port you feel like (so long as something else isn’t using it).
Full source is available on GitHub – https://gist.github.com/1848992
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