- caching proxy for software package downloads
apt-cacher-ng [-c confdir] [-h] [optname=optvalue ...]
Apt-Cacher NG is a caching proxy for software packages which are downloaded by
Unix/Linux system distribution mechanisms from mirror servers accessible via
The command-line options supported by apt-cacher-ng
- -c confdir
- Scan the specified configuration directory and interpret
configuration files find there.
- Short option summary
- The options from the configuration can be passed on the
command line as key=value pairs.
Apt-Cacher NG is configured by a multi-config directory, i.e. the configuration
is split into many configuration files having names with suffix .conf
and stored in a single directory. Variables can override previously configured
settings from other files, sometimes that settings are merged (depending on
The configuration directory is typically /etc/apt-cacher-ng
but it can be
adjusted with the -C option (see systemd service file for details or wherever
the init system starts the daemon).
On Debian systems, there are at least three files installed by default:
acng.conf (containing documented examples), security.conf (containing sensible
data and only readable for special users) and zz_debconf.conf (containing
popular settings which are set by the Debian Configuration mechanism).
Only few signals are handled in non-default ways.
closes and reopens log files.
close log files and stop the daemon.
For more information on Apt-Cacher NG, read the User Manual which can be found
either in the doc/pdf directory of the software source package or installed in
the documentation directory of apt-cacher-ng by your distribution.