Currently i have a server running Ubuntu 14.04 on a LEMP stack, i was trying to enable UFW following this tutorial.
But after i run ** sudo ufw allow ssh**
I’m getting the following error: ERROR: initcaps [Errno 2] modprobe: ERROR: …/libkmod/libkmod.c:556 kmod_search_moddep() could not open moddep file ‘/lib/modules/3.13.0-36-generic/modules.dep.bin’ ip6tables v1.4.21: can’t initialize ip6tables table `filter’: Table does not exist (do you need to insmod?) Perhaps ip6tables or your kernel needs to be upgraded.
Any ideas?
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Run the following command and then reboot your droplet to fix it:
That should install your Droplet’s kernel and the corresponding modules on the Droplet.
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It appears that you might have upgraded the kernel without rebooting. Try rebooting the server and trying again. If that fails, let me know.