Installation

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There are several possibilities to install ZNC on your machine. The latest version is always available using the source tarball from http://znc.in/releases.

A ChangeLog is available in the wiki. You can also read more about ZNC's portability.

Which way should I choose for installing ZNC?

If you don't have root access, the only way is to use source tarball. You'll need to use ./configure --prefix=$HOME/znc as described.

If you have root access, you can use either source tarball or the convenient way for your distro. Check section about your distro for details, but be aware that these may contain old versions of ZNC!

Once you have installed ZNC, you can create a config file with znc --makeconf.

Development Versions

Read the git page if you want to get the current development version. Beware that this might have more bugs, more features, be a little unstable and eat your first born. You have been warned!

Source Tarball

Official source tarballs can be found here.

If you want to compile ZNC with OpenSSL support, you need the OpenSSL development package. On Debian/Ubuntu this is called libssl-dev, on CentOS/Fedora/Red Hat it's openssl-devel.

1. Download the latest source tarball
2. tar -xzvf znc*.*gz
3. cd znc*
4. ./configure
   (use --prefix=$HOME/znc if you don't want a system wide installation or simply don't have root access; use --with-openssl=/path/to/openssl if you have a non-standard SSL path)
   (use --help to see other configure options)
5. make
   (if you are on a dedicated server and your CPU has more than one core, you can use make -jX where X is the number of CPU cores to speed up compilation)
6. make install

Please note that compiling can take 5-10mins or more.

Once you have installed znc, you can use znc --makeconf to make a configuration file for ZNC. This config is stored in ~/.znc under the user you run it as. You should create a dedicated non root user to run znc under.

ZNC is run by just executing znc under the dedicated znc user, at which stage it goes to background. It does not make an init.d service for itself nor does it need to be run in screen or something similar.

See the FAQ page if you encounter problems.

Linux

Debian

Debian provides ZNC packages which may be installed using:

aptitude install znc

If you want to build znc from source to get a newer version than Debian provides, you may need the following packages:

build-essential
libssl-dev
libperl-dev

To include c-ares support, also install:

pkg-config
libc-ares-dev

You can use the command

aptitude build-dep znc

to install build dependencies automatically. Note that sometimes these build-depedencies are outdated and won't work with the current version of ZNC.

Fedora

Fedora provides ZNC packages which may be installed using

yum install znc

and

yum install znc-extra

CentOS/Red Hat Enterprise Linux

ZNC packages are available in the Extra Packages for Enterprise Linux repository (EPEL).

To install the EPEL repository, lookup the appropriate EPEL package at http://mirrors.fedoraproject.org/publiclist/EPEL/ then execute the following commands:

rpm -Uvh <link to your package name/architecture>/epel-release-5-4.noarch.rpm
yum update

Once you have EPEL installed, execute:

yum install znc znc-extra

Ubuntu

Ubuntu's ZNC packages

If you want to build znc from source to get a newer version than Ubuntu provides, you need the following packages:

build-essential
libssl-dev
libperl-dev
pkg-config
libc-ares-dev

You can also run the command

sudo apt-get build-dep znc

if you want to get the build dependencies installed automatically.

Ubuntu 12.04

ZNC 1.0 was backported to Ubuntu Precise (12.04). To install it, run the following from the command line:

sudo apt-get install znc/precise-backports znc-dbg/precise-backports znc-dev/precise-backports znc-extra/precise-backports znc-perl/precise-backports znc-python/precise-backports znc-tcl/precise-backports

Ubuntu 12.10

ZNC 1.0 was backported to Ubuntu Quantal (12.10). To install it, run the following from the command line:

sudo apt-get install znc/quantal-backports znc-dbg/quantal-backports znc-dev/quantal-backports znc-extra/quantal-backports znc-perl/quantal-backports znc-python/quantal-backports znc-tcl/quantal-backports

(Open)SuSE

ZNC is part of the official repositories. To install, use the YaST GUI or install via commandline by typing

yast -i znc

Gentoo

Gentoo provides ZNC packages which may be installed using:

emerge -av net-irc/znc

Several USE Flags can be used for znc:

• ares (global/local): enables using the c-ares library (for stable versions predating 1.0 only; deprecated in favor of dns-threads)
• debug (global): enable debug
• dns-threads (local): use threads for DNS resolving (for v1.0)
• extras (global/local): enable additional modules
• ipv6 (global): adds support for ipv6
• perl (global): adds support for writing perl modules
• python (global): adds support for writing python 3 modules
• ssl (global): enable secure socket layer connections
• sasl (global): sasl support
• tcl (global): adds support for writing tcl modules

equery uses znc -a

Will print you a list of USE flags that will be used for znc

Slackware

Latest Slackware SBo Slackbuild

Archlinux

ZNC is part of the archlinux package repository, and can be installed with the following:

pacman -S znc

Additionally you can install the following optional dependencies to add support for additional modules.

• cyrus-sasl - saslauth module
• perl - modperl module
• python - modpython module
• tcl - modtcl module

rc.d scripts (deprecated)

You may also be interested in rc.d scripts for znc which can be installed with:

pacman -U https://github.com/downloads/kylef/znc-arch/znc-system-wide-1.0-1-any.pkg.tar.xz

You can read more about these scripts here. As of November 2012, initscripts support is being phased-out and expected to be totally deprecated in early 2013. Systemd scripts are already distributed in the package. The Archlinux wiki has some helpful information for new users who are getting started with znc.

Unstable/Testing

You can install the latest git snapshot from the Arch User Repository.

FreeBSD

ZNC is in FreeBSD ports, just do:

cd /usr/ports/irc/znc
make config
make install clean

or

pkg_add -r znc

Mac OS X

There are two ways to install ZNC on OS X, either using a package manager such as Homebrew or installing it yourself from source. See this blog post for a tutorial on how to compile ZNC from source.

• NOTE: If you are running on PPC architecture and cannot make the ./configure && make && sudo make install dance work, you'll want to do the following:

1. Make sure that you're using the --disable-perl switch for configure. Hence: ./configure --prefix=/usr/local --disable-perl
2. If this still doesn't work, fetch and compile c-ares from source.

Homebrew

Installing Homebrew

For more information about Homebrew see here. The following command will install Homebrew to /usr/local

 ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)"

Homebrew requires Xcode and Mac OS X >= 10.5

Installing znc with Homebrew

 brew install znc

Installing znc with MacPorts

 port install znc

Cygwin

Download Cygwin, and install. In the setup, do a search for the following packages and install them:

Getting the ZNC source code:

 git 
 wget

Compiling:

 automake
 gcc4-g++
 make
 mpfr
 pkg-config
 openssl-devel
 zlib-devel

Debugging:

 gdb

After installing these packages proceed to source tarball section (or git)

Unofficial, user contributed binaries

The following installation sources are created and maintained by users!

RPM

Veit Wahlich created RPM packages and yum repositories for RedHat-based Linux distributions (RHEL/CentOS and Fedora). Version 0.052 is available at http://home.ircnet.de/cru/znc

Microsoft Windows

ZNC as a native Windows program, compiled with Microsoft Visual C++ Includes the main program and around 40 modules. Supports SSL and IPv6.