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+Autogenerated on 2012-11-29
+from - https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Installation_from_GIT_with_PCRE-JIT
+
+
+Installation from GIT with PCRE-JIT
+
+In this guide will be explained how to install and use the most recent code of
+Suricata on Ubuntu together with PCRE with JIT 8.20-RC1 support. The goal of
+PCRE-JIT is to improve the pcre pattern matching performance of the pcre
+library.
+The easiest way to see performance difference is to create a couple of pcre
+only rules or use for example the SSN rules from ET, and compare the
+performance statistics for rules.
+Installing from GIT on other operating systems is basically the same, except
+that some commands are Ubuntu-specific (like sudo and apt-get). In case you are
+using another operating system, you should replace those commands by your
+operating-specific commands.
+
+Pre-installation requirements
+
+Before you can build Suricata with PCRE-JIT for your system, run the following
+command to ensure that you have everything you need for the installation.
+
+  sudo apt-get -y install build-essential autoconf automake \
+  libtool libpcap-dev libnet1-dev libyaml-0-2 libyaml-dev \
+  zlib1g zlib1g-dev libcap-ng-dev libcap-ng0 \
+  make g++
+  sudo apt-get install git-core
+
+Depending on the current status of your system, it may take a while to complete
+this process.
+
+PCRE with JIT support
+
+Enter the following commands for PCRE JIT installation:
+
+  wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/Testing/pcre-8.20-
+  RC1.tar.gz
+  tar -xzvf pcre-8.20-RC1.tar.gz
+  cd pcre-8.20-RC1
+  ./configure --enable-jit
+
+Make sure you see that JIT compiling support is enabled, see example:
+
+  make
+  sudo make install
+
+
+
+HTP
+
+
+HTP is bundled with Suricata and installed automatically. If you need to
+install HTP manually for other reasons, instructions can be found at HTP
+library_installation.
+
+
+IPS
+
+
+By default, Suricata works as an IDS. If you want to use it as a IDS and IPS
+program, enter:
+
+  sudo apt-get -y install libnetfilter-queue-dev libnetfilter-queue1
+  libnfnetlink-dev libnfnetlink0
+
+
+Suricata
+
+First, it is convenient to create a directory for Suricata. Name it 'suricata'
+for example. Open the terminal and enter:
+
+  mkdir suricata
+
+Followed by:
+
+  cd suricata
+
+Next, enter the following line in the terminal:
+
+  git clone git://phalanx.openinfosecfoundation.org/oisf.git
+  cd oisf
+
+Followed by:
+
+  ./autogen.sh
+
+
+Compile and install
+
+To configure, please enter:
+
+  ./configure --enable-pcre-jit \
+  --with-libpcre-includes=/usr/local/include \
+  --with-libpcre-libraries=/usr/local/lib
+
+After entering the previous, make sure that your screen looks like the
+following example and you have PCRE with JIT support:
+
+  make
+  sudo make install
+
+  sudo ldconfig
+
+To check the build information you can enter:
+
+  suricata --build-info
+
+Please continue with Basic_Setup.
+In case you have already made a map for the most recent code, downloaded the
+code into that map, and want to download recent code again, please enter:
+
+  cd suricata/oisf
+
+next, enter:
+
+  git pull
+
+After that, you start again at running autogen.