root@ubuntu:/dpkg_install/archives# dpkg -i ettercap-gtk_1%3a0.7.3-1.2ubuntu4_i386.deb (Reading database ... 101163 files and directories currently installed.) Preparing to replace ettercap-gtk 1:0.7.3-1.2ubuntu4 (using ettercap-gtk_1%3a0.7.3-1.2ubuntu4_i386.deb) ... Unpacking replacement ettercap-gtk ... Setting up ettercap-gtk (1:0.7.3-1.2ubuntu4) ... Processing triggers for menu ... Processing triggers for man-db ... fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied fopen: Permission denied /usr/bin/mandb: can't create index cache directory /var/cache/man/de.UTF-8: Permission denied fopen: Permission denied fopen: Permission denied