php5/ext/pcre/php_pcre.h:29:18: fatal error: pcre.h: No such file or directory while installing php zip

I was trying to use ZipArchive, but i got an error:

Fatal error: Class 'ZipArchive' not found

Then I started to Google how to install zip extension on my Ubuntu Apache 2 server. I have PHP version 5.3.10 and in configuration it says, that zip is enabled. This information you can get with these 2 simple commands:

After update of VirtualBox virtual linux cannot see eth0 or eth1 network card devices. No connection, how to fix it?

 I have a local network with my virtual machine. I have updated VirtualBox and my network with virtual linux crashed. No network devices were found, nothing helped. The problem was with old configuration of network card's MAC addresses.