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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/.local" 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/.local" 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

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.

!!!!!! Please note that prior to Debian Sid(Testing) including Wheezy, Squeeze, and Lenny; The ZNC packages are extremely old in the package manager. There could be security issues and even bugs in the code. If you are having issues with ZNC from your debian package manager prior to Sid it is recommended to uninstall that package and build from source. !!!!!!

Fedora/CentOS/Red Hat Enterprise Linux

Fedora has znc packaged in it's main repository and their Extra Packages for Enterprise Linux (EPEL) repository provides them for CentOS/RHEL.

If using RHEL install the EPEL repository by downloading the appropriate package linked on EPEL's website.

Once you have EPEL installed (or are on Fedora), execute:

sudo yum install znc

Once installed you can configure znc by running:

sudo -u znc znc --makeconf # this creates /var/lib/znc/.znc

Then finally to start it you can run:

sudo systemctl start znc # or enable if you want it to autostart

Ubuntu

This page lists all of the ZNC packages in the Ubuntu repositories.

You can either build ZNC from source, or use a PPA that was made by a community member to contain pre-built ZNC packages for all supported Ubuntu releases. Note that the PPA does not contain packages for every Ubuntu release, and the support dates for various Ubuntu versions is detailed here. If the release of Ubuntu you are on is not supported on the PPA, you will have to compile it from source yourself.

Build From Source

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

You can also run the command

sudo apt-get build-dep znc

if you want to get the build dependencies installed automatically.

After you have done this, you can follow the instructions on this page for compiling from the source tarball.

Install via PPA

A Personal Package Archive (PPA) has been created by Thomas W., and contains the latest stable ZNC release as exists in Debian. It contains packages for all releases of Ubuntu that are currently supported. It does not contain packages for versions of Ubuntu that are past their end of life dates. Click here if you wish to see the details of the packages in the PPA. NOTE: This PPA contains packages for only certain Ubuntu releases, as detailed here.

The version currently available in the PPA is detailed on this page.

First, make sure you have the python-software-properties package installed:

sudo apt-get install python-software-properties

Then, add the PPA to your sources, and update the apt information:

sudo add-apt-repository ppa:teward/znc
sudo apt-get update

Then, install the znc packages:

sudo apt-get install znc znc-dbg znc-dev znc-perl znc-python znc-tcl

ZNC is now installed. You can create the configuration normally with this, when run on the user that you want to run ZNC as:

znc --makeconf

(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:

  • daemon (local): (not offically supported) Allow znc to run as a system-wide service. Installs an init script and creates a znc user:group.
  • debug (global): enable debug
  • 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

Alpine Linux

To install znc from the package manager, enter the following command:

sudo apk add znc znc-modperl znc-modtcl

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

sudo apk add autoconf automake gettext-dev g++ make openssl-dev pkgconfig zlib-dev 

If you want to run git, Debugging, perl, (requires swig), tcl, or cyrus then install the packages that correspond:

sudo apk add git gdb perl-dev swig tcl-dev cyrus-sasl-dev

Note: Python3 does not exist in Alpine.

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

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
 gcc-g++
 libicu-devel
 make
 mpfr
 pkg-config
 openssl-devel
 zlib-devel

Debugging:

 gdb

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

Raspberry Pi (cross-compilation)

Install fuse-sshfs on the host:

   sudo <pkg-manager> install fuse-sshfs

Mount the target sysroot over SSHFS:

   mkdir -p ~/rpi/sysroot
   sudo sshfs pi@192.168.0.123:/ ~/rpi/sysroot/ -o transform_symlinks -o allow_other

Get RPi cross-compiler (~325mb):

   git clone git://github.com/raspberrypi/tools.git ~/rpi/tools

Create ~/rpi/rpi-g++.sh (chmod +x) with the following content (drop "-x64" if the host is 32-bit):

   exec ~/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++ --sysroot=$HOME/rpi/sysroot "$@"

Check that the cross-compiler works:

   ~/rpi/rpi-g++.sh -v
   gcc version 4.8.3 20140303 (prerelease) (crosstool-NG linaro-1.13.1+bzr2650 - Linaro GCC 2014.03)

Configure, build & install ZNC (prefix must be an absolute path on the target):

   CXX=~/rpi/rpi-g++.sh ./configure --prefix /home/pi/znc --host x86_64
   make -j4
   DESTDIR=~/rpi/sysroot make install

Missing support for SSL, ICU, Perl, Python...? Install the corresponding development packages on the target and re-configure ZNC.

Finally, unmount the sysroot:

   fusermount -u $HOME/rpi/sysroot

Thanks to:

Unofficial, user contributed binaries

The following installation sources are created and maintained by users!

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.