Amahi 8 Troubleshooting
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After performing the upgrade, the dhcp and dns server are not functional.
To verify if the service is functional do the following from a command line:
sudo systemctl status dnsmasq.service
If its not working you will get a message similer to below with a failed status:
- dnsmasq.service - DNS caching server.
- Loaded: loaded (/usr/lib/systemd/system/dnsmasq.service; enabled)
- Active: failed (Result: exit-code) since Tue 2015-09-08 10:38:40 MST; 6s ago
- Process: 7798 ExecStart=/usr/sbin/dnsmasq -k (code=exited, status=2)
- Main PID: 7798 (code=exited, status=2)
During the upgrade libvirtd was installed. libvirtd uses dnsmasq for virtual machines. This caused a conflict. To verify this is the issue do the following commands:
sudo lsof -i :53
- COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
- dnsmasq 1308 nobody 6u IPv4 20640 0t0 UDP localhost.localdomain:domain
- dnsmasq 1308 nobody 7u IPv4 20641 0t0 TCP localhost.localdomain:domain (LISTEN)
ps -ef| grep <number in bold above>
- nobody 1308 1 0 10:04 ? 00:00:00 /sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --dhcp-script=/usr/libexec/libvirt_leaseshelper
- root 1309 1308 0 10:04 ? 00:00:00 /sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --dhcp-script=/usr/libexec/libvirt_leaseshelper
if you see something like --conf-file=/var/lib/libvirt/dnsmasq/default.conf then you can fix the dnsmasq problem by issuing the following command and then rebooting.
sudo systemctl disable libvirtd
sudo reboot
