Tag: network

Solution for ip_conntrack: table full, dropping packet.

Today, I was working on a brand new  (apache) server, hosting a website with 3000 concurrent visitors. The load on the server was very low while the website was dropping network connections. I ran dmesg and the following message was repeating over and over: ip_conntrack: table full, dropping packet.   It seems that ip_conntrack keeps […]

Difficulties with setting up your network in Ubuntu

Today I had some problems with setting up the network in Ubuntu. Restarting the network resulted in the following error message: # /etc/init.d/networking restart * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces… /etc/network/if-up.d/upstart: 43: cannot create /run/network/ifup.eth0: Directory nonexistent run-parts: /etc/network/if-up.d/upstart exited with return code […]

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