Install Elastix on Amazon EC2

    文章索引

    SRPM - http://repo.elastix.org/elastix/1.6/base/SRPMS/
    Part 2: Asterisk in a Cloud - http://voxilla.com/2009/02/13/asteri...mazon-ec2-1178
    gcc-4.0.2 - http://ftp.gnu.org/gnu/gcc/gcc-4.0.2/ 

    All we need to do is

    1. Install an fresh CentOS 5.4 operation system
    2. Install all packages(rpm) of Elastix
    3. Compile and install dahdi_dummy module

    Install an fresh CentOS 5.4 operation system

    Please follow this link to complete it
    http://zoetrope.speakermouth.com/200...install-script

    更新:2011-7-24

    安裝預裝好的 CentOS 5.5 AMI (ami-eb807682: CentOS5.5 i386 10G)

    Install all packages(rpm) of Elastix

    Download Elastix ISO
    http://www.elastix.org/en/downloads/main-distro.html

    Prerequisties before intallation starting

    cd /mnt
    wget http://sourceforge.net/projects/elastix/files/Tools/Cent2Elastix%20%28CentOS%205.4%20to%20Elastix%201.6%20stable%29/ElastiXCorE-1.6-i386-22dec2009.iso/download mkdir ISO/ mount -o loop ElastiXCorE-1.6-i386-22dec2009.iso ISO/

    I modified the official install script to be able to complete the installation of all rpms on EC2.

    Turn off firewall

    service iptables stop
    setenforce 0 
    

    Install kernel package
    註:必須安裝 ISO 內的 kernel-2.6.18-164 及 kernel-xen-2.6.18-164,其餘版本不可使用。

    yum remove kernel
    yum remove kernel-xen
    cd /mnt/ISO
    rpm -ivh CentOS/kernel-2.6.18-164.el5.i686.rpm
    rpm -ivh CentOS/kernel-xen-2.6.18-164.el5.i686.rpm 
    vi /etc/yum.repos.d/ElastixCore.repo
    

    ElastixCore.repo:

    [elastix-core]
    name=Elastix RPM Repository for CentOS
    baseurl=file:///mnt/ISO/Elastix
    gpgcheck=0
    enabled=1
    
    [epel-elastix]
    name=EPEL RPM dependencies for Elastix
    baseurl=file:///mnt/ISO/epel
    gpgcheck=0
    enabled=1
    

    Install Elastix Core

    service yum-updatesd stop
    yum clean all
    yum groupupdate "Epel Elastix" 
    yum groupupdate "Elastix Core"
    rm -f /etc/yum.repos.d/ElastixCore.repo

    Clean up and reboot

    rm -f /etc/yum.repos.d/ElastixCore.repo
    umount /mnt/ISO
    reboot
    

    Compile and install dahdi_dummy module

    // Install gcc-4.0.2

    cd /usr/src
    wget http://ftp.gnu.org/gnu/gcc/gcc-4.0.2/gcc-4.0.2.tar.bz2
    tar -xjf gcc-4.0.2.tar.bz2
    cd gcc-4.0.2
    mkdir tmp
    cd tmp
    ../configure --program-suffix=-4.0.2
    make
    make install

    The above will take 20+ minutes, so take a break let's enjoy a coffee.

    // Install kernel source (xen-3.1.0-src-ec2-v1.0)

    yum install ncurses-devel
    cd /usr/src
    wget http://ec2-downloads.s3.amazonaws.com/xen-3.1.0-src-ec2-v1.0.tgz
    tar xzvf xen-3.1.0-src-ec2-v1.0.tgz
    cd xen-3.1.0-src-ec2-v1.0
    make linux-2.6-xenU-config
    
    rm -f /lib/modules/`uname -r`/build
    ln -s /usr/src/xen-3.1.0-src-ec2-v1.0/build-linux-2.6.18-xenU_x86_32 \
          /lib/modules/`uname -r`/build
    rm -f /lib/modules/`uname -r`/source
    ln -s /usr/src/xen-3.1.0-src-ec2-v1.0/linux-2.6.18-xen \
          /lib/modules/`uname -r`/source
    
    cd /usr/src/xen-3.1.0-src-ec2-v1.0
    mv linux-2.6.18-xen/Makefile linux-2.6.18-xen/Makefile.orig
    sed -e 's_^\(HOSTCC.*=\).*_\1 /usr/local/bin/gcc-4.0.2_' \
        -e 's_^\(CC.*=\).*_\1 /usr/local/bin/gcc-4.0.2_' \
        <linux-2.6.18-xen/Makefile.orig >linux-2.6.18-xen/Makefile
    make linux-2.6-xenU-build
    make linux-2.6-xenU-install

    // Install dahdi

    cd /usr/src/digium
    wget http://downloads.digium.com/pub/telephony/dahdi-linux/dahdi-linux-current.tar.gz
    tar xzvf dahdi-linux-current.tar.gz
    cd dahdi-linux*
    make clean
    make all
    make install
    

    // Install dahdi-tools

    cd /usr/src/digium
    wget http://downloads.asterisk.org/pub/telephony/dahdi-tools/dahdi-tools-current.tar.gz
    tar xzf dahdi-tools-current.tar.gz
    cd dahdi-tools*
    ./configure
    make
    make install
    make config
    

    // 設定只啟動 dahdi_dummy 模組

    mv /etc/dahdi/modules /etc/dahdi/modules.orig
    echo '# only launch dahdi_dummy' > /etc/dahdi/modules

    // 測試 dahdi_dummy 運作

    #> service dahdi restart
    #> dahdi_test -v
    
    Opened pseudo dahdi interface, measuring accuracy...
    
    8192 samples in 8198.648 system clock sample intervals (100.081%)
    8192 samples in 8205.841 system clock sample intervals (100.169%)
    8192 samples in 8182.408 system clock sample intervals (99.883%)
    8192 samples in 8190.424 system clock sample intervals (99.981%)
    8192 samples in 8190.352 system clock sample intervals (99.980%)

    Notes: 數值應該要接近 100%

    // 在 EC2 的 Linux 系統環境取得 Public IP

    curl -s -S --user-agent "Mozilla/4.0" http://myip.pbxinaflash.com | awk 'NR==2'
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