I've had the same problem described in bug:156558 (i marked it as duplicate of this one):
$ sudo apt-get install ebox-network ... Setting up ebox-network (0.9.3-0ubuntu3) ... Can't call method "setIfaceStatic" on an undefined value at /usr/share/ebox-network/ebox-netcfg-import line 87, <FD> line 10. ... $ cat /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address x.x.x.152 netmask 255.255.255.224 broadcast x.x.x.159 gateway x.x.x.129 $ ps aux | grep gconf ctenar 9385 0.0 1.3 7192 3448 ? S Oct22 0:02 /usr/lib/libgconf2-4/gconfd-2 11 ebox 9892 0.0 0.5 6804 1504 ? S Oct22 0:00 /usr/lib/libgconf2-4/gconfd-2 19 ctenar 15331 0.0 0.2 2984 760 pts/1 R+ 08:13 0:00 grep gconf Note that each gconfd2-4 is running as a different user, I don't know what that means. I killed both. $ sudo apt-get install ebox-network ... Setting up ebox-network (0.9.3-0ubuntu3) ... Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. Use of uninitialized value in string eq at /usr/share/perl5/EBox/Types/Select.pm line 92. An error happened trying to set the default gateway. Make sure the gateway you specified is reachable.dpkg: error processing ebox-network (--configure): subprocess post-installation script returned error exit status 255 ... (same error even after restart) -- ebox-network fails to configure https://bugs.launchpad.net/bugs/127745 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs