Jailkit configured incorectly for Ubuntu 64bit
ISPConfig installator does not configure jailkit correctly on 64bit Ubuntu. The sections [uidbasics] and [netbasics] in /etc/jailkit/jk_init.ini should read as follows, with the highlighted paths to the libraries added:
[uidbasics] comment = common files for all jails that need user/group information libraries = /lib/libnsl.so.1, /lib64/libnsl.so.1, [b]/lib/x86_64-linux-gnu/libnsl.so.1[/b], /lib/libnss*.so.2, /lib64/libnss*.so.2, [b]/lib/x86_64-linux-gnu/libnss*.so.2[/b] regularfiles = /etc/nsswitch.conf, /etc/ld.so.conf
[netbasics] comment = common files for all jails that need any internet connectivity libraries = /lib/libnss_dns.so.2, /lib64/libnss_dns.so.2, [b]/lib/x86_64-linux-gnu/libnss_dns.so.2[/b] regularfiles = /etc/resolv.conf, /etc/host.conf, /etc/hosts, /etc/protocols
Otherwise, no program that needs user/group information or any internet connectivity works in the jailed environment. E.g. ssh, wget, etc.
ISPConfig installator needs to have fixed ispconfig3_install/install/tpl/jk_init.ini.master accordingly...