switch-netns

Simple & secure C utility to change network namespaces without being root. A wrapper around setns() syscall, with permission checks and command line parsing.

Usage:

$ whoami
ussur
$ switch-netns --by-name my_netns -- whoami
ussur
$ switch-netns --by-name my_netns -- echo 'Hello from other network namespace!'
Hello from other network namespace!

You can also specify namespace --by-file (for example, /run/netns/my_netns or /proc/1234/ns/net), and --by-pid.

Build and install

Via AUR:

yay -S switch-netns

Manually:

Installation:

$ make build
$ sudo make install

Uninstallation:

$ sudo make uninstall

Dependencies

• libcap,
• gengetopt (build dependency),
• a C compiler.