There are times when you want to connect to the Internet through unknown and/or insecure networks such as a wifihotspot. If you aren’t careful, you might make it all too easy for someone to sniff your connection.
There are times when you want to connect to the Internet using your remote machine’s (US) IP address. Because [...]
If you want to connect to a remote machine’s OpenSSH server from your locale Linux/Debian/Ubuntu machine using Gnome Terminal, Nautilus or gFTP, you need the openssh-client package. This package provides the ssh, scp and sftp clients, the ssh-agent and ssh-add programs to make public key authentication more convenient, and the ssh-keygen, ssh-keyscan, ssh-copy-id and ssh-argv0 utilities.
If [...]
If you setup a restricted OpenSSH sftp server you can restrict users to any directory (eg. their home directory). Also you can set your system where the restricted users are not able to login to your system, but they just are able to connect to the sftp server and transfer files via sftp. These settings [...]