This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.
Step 1 - Enable NBD on the Host
modprobe nbd max_part=8
by default,openwrt do not allow ssh access from wan, here are two method to change that: | |
1.login into your wrt from a lan host.issue the following command: | |
iptables -F | |
the command "flush away" all the firewall rules,including the one that rejects ssh request from wan. | |
now you can try ssh from anywhere. | |
aware that the firewall deactivation leads to highly security risk.and after the wrt restarts ,all default firewall configuration comes back.you hava to "flush" the rules once again. |