dh_installifupdown - Linux
Overview
dh_installifupdown is a utility used in Debian packaging to manage the installation and removal of ifupdown interfaces during package installation and removal. It facilitates the creation and deletion of network interfaces defined in /etc/network/interfaces when the corresponding package is installed or removed.
Syntax
dh_installifupdown [options] [interface]...
Options/Flags
- -a, –add-pkg-hook
- Add a hook to the
postinstandprermscripts of the debian package to configure ifupdown interfaces.
- Add a hook to the
- -r, –remove-pkg-hook
- Remove the hook from the debian package’s
postinstandprermscripts.
- Remove the hook from the debian package’s
- -v, –verbose
- Enable verbose output, providing more details about the process.
- –interface=
INTERFACE- Specify the network interface to be configured. Multiple interfaces can be specified.
Examples
Install and configure an interface:
dh_installifupdown eth0
Install and configure multiple interfaces:
dh_installifupdown eth0 eth1 wlan0
Remove configuration for an interface:
dh_installifupdown -r eth0
Common Issues
Error: Failed to add hook to postinst script
- Ensure you have write permissions to the package’s
postinstscript.
Error: Interface not found in /etc/network/interfaces
- Verify that the interface is correctly defined in
/etc/network/interfaces.
Integration
Combine with ifupdown:
dh_installifupdown can be used together with ifupdown to manage network interfaces. For example:
dh_installifupdown eth0
ifup eth0
Related Commands
dh_installdebdebhelperifupdown