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351 lines
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351 lines
13 KiB
Plaintext
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ngIRCd - Next Generation IRC Server
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http://ngircd.barton.de/
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(c)2001-2014 Alexander Barton and Contributors.
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ngIRCd is free software and published under the
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terms of the GNU General Public License.
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-- INSTALL --
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I. Upgrade Information
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~~~~~~~~~~~~~~~~~~~~~~
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Differences to version 20.x
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- Starting with ngIRCd 21, the ciphers used by SSL are configurable and
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default to HIGH:!aNULL:@STRENGTH (OpenSSL) or SECURE128 (GnuTLS).
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Previous version were using the OpenSSL or GnuTLS defaults, DEFAULT
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and NORMAL respectively.
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- When adding GLINE's or KLINE's to ngIRCd 21 (or newer), all clients matching
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the new mask will be KILL'ed. This was not the case with earlier versions
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that only added the mask but didn't kill already connected users.
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Differences to version 19.x
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- Starting with ngIRCd 20, users can "cloak" their hostname only when the
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configuration variable "CloakHostModeX" (introduced in 19.2) is set.
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Otherwise, only IRC operators, other servers, and services are allowed to
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set mode +x. This prevents regular users from changing their hostmask to
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the name of the IRC server itself, which confused quite a few people ;-)
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Differences to version 17
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- Support for ZeroConf/Bonjour/Rendezvous service registration has been
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removed. The configuration option "NoZeroconf" is no longer available.
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- The structure of ngircd.conf has been cleaned up and three new configuration
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sections have been introduced: [Limits], [Options], and [SSL].
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Lots of configuration variables stored in the [Global] section are now
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deprecated there and should be stored in one of these new sections (but
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still work in [Global]):
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"AllowRemoteOper" -> [Options]
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"ChrootDir" -> [Options]
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"ConnectIPv4" -> [Options]
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"ConnectIPv6" -> [Options]
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"ConnectRetry" -> [Limits]
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"MaxConnections" -> [Limits]
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"MaxConnectionsIP" -> [Limits]
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"MaxJoins" -> [Limits]
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"MaxNickLength" -> [Limits]
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"NoDNS" -> [Options], and renamed to "DNS"
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"NoIdent" -> [Options], and renamed to "Ident"
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"NoPAM" -> [Options], and renamed to "PAM"
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"OperCanUseMode" -> [Options]
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"OperServerMode" -> [Options]
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"PingTimeout" -> [Limits]
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"PongTimeout" -> [Limits]
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"PredefChannelsOnly" -> [Options]
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"SSLCertFile" -> [SSL], and renamed to "CertFile"
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"SSLDHFile" -> [SSL], and renamed to "DHFile"
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"SSLKeyFile" -> [SSL], and renamed to "KeyFile"
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"SSLKeyFilePassword" -> [SSL], and renamed to "KeyFilePassword"
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"SSLPorts" -> [SSL], and renamed to "Ports"
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"SyslogFacility" -> [Options]
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"WebircPassword" -> [Options]
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You should adjust your ngircd.conf and run "ngircd --configtest" to make
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sure that your settings are correct and up to date!
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Differences to version 16
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- Changes to the "MotdFile" specified in ngircd.conf now require a ngircd
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configuration reload to take effect (HUP signal, REHASH command).
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Differences to version 0.9.x
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- The option of the configure script to enable support for Zeroconf/Bonjour/
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Rendezvous/WhateverItIsNamedToday has been renamed:
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--with-rendezvous -> --with-zeroconf
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Differences to version 0.8.x
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- The maximum length of passwords has been raised to 20 characters (instead
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of 8 characters). If your passwords are longer than 8 characters then they
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are cut at an other position now.
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Differences to version 0.6.x
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- Some options of the configure script have been renamed:
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--disable-syslog -> --without-syslog
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--disable-zlib -> --without-zlib
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Please call "./configure --help" to review the full list of options!
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Differences to version 0.5.x
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- Starting with version 0.6.0, other servers are identified using asynchronous
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passwords: therefore the variable "Password" in [Server]-sections has been
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replaced by "MyPassword" and "PeerPassword".
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- New configuration variables, section [Global]: MaxConnections, MaxJoins
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(see example configuration file "doc/sample-ngircd.conf"!).
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II. Standard Installation
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~~~~~~~~~~~~~~~~~~~~~~~~~
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ngIRCd is developed for UNIX-based systems, which means that the installation
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on modern UNIX-like systems that are supported by GNU autoconf and GNU
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automake ("configure") should be no problem.
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The normal installation procedure after getting (and expanding) the source
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files (using a distribution archive or GIT) is as following:
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0) Satisfy prerequisites
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1) ./autogen.sh [only necessary when using GIT]
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2) ./configure
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3) make
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4) make install
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(Please see details below!)
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Now the newly compiled executable "ngircd" is installed in its standard
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location, /usr/local/sbin/.
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The next step is to configure and afterwards starting the daemon. Please
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have a look at the ngircd(8) and ngircd.conf(5) manual pages for details
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and all possible options -- and don't forget to run "ngircd --configtest"
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to validate your configuration file!
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If no previous version of the configuration file exists (the standard name
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is /usr/local/etc/ngircd.conf), a sample configuration file containing all
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possible options will be installed there. You'll find its template in the
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doc/ directory: sample-ngircd.conf.
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0): Satisfy prerequisites
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When building from source, you'll need some other software to build ngIRCd:
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for example a working C compiler, make tool, GNU automake and autoconf (only
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when not using a distribution archive), and a few libraries depending on the
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features you want to compile in (like IDENT support, SSL, and PAM).
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If you are using one of the "big" operating systems or Linux distributions,
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you can use the following commands to install all the required packages to
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build the sources including all optional features and to run the test suite:
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* RedHat / Fedora based distributions:
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yum install \
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autoconf automake expect gcc glibc-devel gnutls-devel \
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libident-devel make pam-devel tcp_wrappers-devel telnet zlib-devel
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* Debian / Ubuntu based distributions:
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apt-get install \
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autoconf automake build-essential expect libgnutls-dev \
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libident-dev libpam-dev libwrap0-dev libz-dev telnet
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1): "autogen.sh"
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The first step, autogen.sh, is only necessary if the configure-script isn't
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already generated. This never happens in official ("stable") releases in
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tar.gz-archives, but when using GIT.
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This step is therefore only interesting for developers.
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autogen.sh produces the Makefile.in's, which are necessary for the configure
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script itself, and some more files for make. To run autogen.sh you'll need
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GNU autoconf and GNU automake: at least autoconf 2.61 and automake 1.10 are
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requird, newer is better. But don't use automake 1.12 or newer for creating
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distribution archives: it will work but lack "de-ANSI-fication" support in the
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generated Makefile's! Stick with automake 1.11.x for this purpose ...
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So automake 1.11.x and autoconf 2.67+ is recommended.
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Again: "end users" do not need this step and neither need GNU autoconf nor GNU
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automake at all!
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2): "./configure"
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The configure-script is used to detect local system dependencies.
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In the perfect case, configure should recognize all needed libraries, header
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files and so on. If this shouldn't work, "./configure --help" shows all
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possible options.
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In addition, you can pass some command line options to "configure" to enable
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and/or disable some features of ngIRCd. All these options are shown using
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"./configure --help", too.
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Compiling a static binary will avoid you the hassle of feeding a chroot dir
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(if you want use the chroot feature). Just do something like:
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CFLAGS=-static ./configure [--your-options ...]
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Then you can use a void directory as ChrootDir (like OpenSSH's /var/empty).
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3): "make"
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The make command uses the Makefiles produced by configure and compiles the
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ngIRCd daemon.
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4): "make install"
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Use "make install" to install the server and a sample configuration file on
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the local system. Normally, root privileges are necessary to complete this
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step. If there is already an older configuration file present, it won't be
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overwritten.
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These files and folders will be installed by default:
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- /usr/local/sbin/ngircd: executable server
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- /usr/local/etc/ngircd.conf: sample configuration (if not already present)
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- /usr/local/share/doc/ngircd/: documentation
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- /usr/local/share/man/: manual pages
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III. Additional features
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~~~~~~~~~~~~~~~~~~~~~~~~
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The following optional features can be compiled into the daemon by passing
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options to the "configure" script. Most options can handle a <path> argument
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which will be used to search for the required libraries and header files in
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the given paths ("<path>/lib/...", "<path>/include/...") in addition to the
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standard locations.
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* Syslog Logging (autodetected by default):
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--with-syslog[=<path>] / --without-syslog
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Enable (disable) support for logging to "syslog", which should be
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available on most modern UNIX-like operating systems by default.
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* ZLib Compression (autodetected by default):
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--with-zlib[=<path>] / --without-zlib
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Enable (disable) support for compressed server-server links.
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The Z compression library ("libz") is required for this option.
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* IO Backend (autodetected by default):
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--with-select[=<path>] / --without-select
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--with-poll[=<path>] / --without-poll
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--with-devpoll[=<path>] / --without-devpoll
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--with-epoll[=<path>] / --without-epoll
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--with-kqueue[=<path>] / --without-kqueue
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ngIRCd can use different IO "backends": the "old school" select() and poll()
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API which should be supported by most UNIX-like operating systems, or the
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more efficient and flexible epoll() (Linux >=2.6), kqueue() (BSD) and
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/dev/poll APIs.
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By default the IO backend is autodetected, but you can use "--without-xxx"
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to disable a more enhanced API.
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When using the epoll() API, support for select() is compiled in as well by
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default to enable the binary to run on older Linux kernels (<2.6), too.
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* IDENT-Support:
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--with-ident[=<path>]
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Include support for IDENT ("AUTH") lookups. The "ident" library is
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required for this option.
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* TCP-Wrappers:
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--with-tcp-wrappers[=<path>]
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Include support for Wietse Venemas "TCP Wrappers" to limit client access
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to the daemon, for example by using "/etc/hosts.{allow|deny}".
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The "libwrap" is required for this option.
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* PAM:
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--with-pam[=<path>]
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Enable support for PAM, the Pluggable Authentication Modules library.
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See doc/PAM.txt for details.
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* SSL:
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--with-openssl[=<path>]
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--with-gnutls[=<path>]
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Enable support for SSL/TLS using OpenSSL or gnutls libraries.
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See doc/SSL.txt for details.
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* IPv6:
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--enable-ipv6
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Adds support for version 6 of the Internet Protocol.
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IV. Useful make-targets
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~~~~~~~~~~~~~~~~~~~~~~~
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The Makefile produced by the configure-script contains always these useful
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targets:
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- clean: delete every product from the compiler/linker
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next step: -> make
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- distclean: the above plus erase all generated Makefiles
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next step: -> ./configure
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- maintainer-clean: erase all automatic generated files
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next step: -> ./autogen.sh
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V. Sample configuration file ngircd.conf
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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In the sample configuration file, there are comments beginning with "#" OR
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";" -- this is only for the better understanding of the file.
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The file is separated in five blocks: [Global], [Features], [Operator],
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[Server], and [Channel].
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In the [Global] section, there is the main configuration like the server
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name and the ports, on which the server should be listening. Options in
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the [Features] section enable or disable functionality in the daemon.
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IRC operators of this server are defined in [Operator] blocks, remote
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servers are configured in [Server] sections, and [Channel] blocks are
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used to configure pre-defined ("persistent") IRC channels.
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The meaning of the variables in the configuration file is explained in the
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"doc/sample-ngircd.conf", which is used as sample configuration file in
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/usr/local/etc after running "make install" (if you don't already have one)
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and in the ngircd.conf(5) manual page.
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VI. Command line options
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~~~~~~~~~~~~~~~~~~~~~~~~
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These parameters could be passed to the ngIRCd:
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-f, --config <file>
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The daemon uses the file <file> as configuration file rather than
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the standard configuration /usr/local/etc/ngircd.conf.
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-n, --nodaemon
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ngIRCd should be running as a foreground process.
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-p, --passive
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Server-links won't be automatically established.
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-t, --configtest
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Reads, validates and dumps the configuration file as interpreted
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by the server. Then exits.
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Use "--help" to see a short help text describing all available parameters
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the server understands, with "--version" the ngIRCd shows its version
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number. In both cases the server exits after the output.
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Please see the ngircd(8) manual page for complete details!
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