After ubuntu server upgrade, it has error with commandline "iptables -L"

after I upgrade ubuntu server to Ubuntu 1404 , Linux 3.16.0-23-generic #30-Ubuntu SMP Thu Oct 16 13:22:53 UTC 2014 i686 i686 i686 GNU/Linux, it has error when run command “iptables -L”, errors:

modprobe: ERROR: …/libkmod/libkmod.c:556 kmod_search_moddep() could not open moddep file ‘/lib/modules/3.16.0-23-generic/modules.dep.bin’ iptables v1.4.21: can’t initialize iptables table `filter’: Table does not exist (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded.

Actually there is no folder named 3.16.0-23-generic under folder /lib/modules/, there is folder named 3.13.0-40-generic

anyone can help me about this?

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Run the following command and then reboot your droplet to fix it:

sudo apt-get install linux-image-$(uname -r) That should install your Droplet’s kernel and the corresponding modules on the Droplet.

I found this solution at:

Thank you

sudo apt-get install linux-image-$(uname -r)

and rebooting worked for me

I had resized the droplet and ran into a couple of these strange behaviors …

if it didnt work, try to execute the command :

sudo apt-get install --reinstall linux-image-3.13.0

and just remember, this is only for ubuntu 14.04