no_pubkey apt-get update
I just installed a virtual machine using Ubuntu linux and got NO_PUBKEY error messages when tried to update my Ubuntu installation using "apt-get update" command. To fix this you'll need to install some gpg key:
gpg --keyserver wwwkeys.eu.pgp.net --recv 9AA38DCD55BE302B gpg --export --armor 9AA38DCD55BE302B | apt-key add -
Xen VPS modprobe: QM_MODULES: Function not implemented
I got this problem on one of Debian VPS when tried to run iptables command
modprobe: QM_MODULES: Function not implemented modprobe: QM_MODULES: Function not implemented modprobe: Can't locate module ip_tables iptables v1.3.6: can't initialize iptables table `filter': iptables who? (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded.
To fix this you'll need to run these commands:
Xen Debian VPS Problem With nash-hotplug Using 100% CPU Resource
Recently I setup a Debian 4.0 VPS using xen image from jailtime.org, once the VM running I noticed that the load goes 1.0 all the time which make the VM very slow. From top command you’ll see the nash-hotplug process is the cause.
First you can kill it by execute the ‘kill -9 <process id>’ command (without the quotes), where <process id> is the process id of nash-hotplug. Then to automate killing the nash process every time you reboot the VPS run these commands: