原創:OSSLab Alang
Amazon EC2 http://aws.amazon.com/ec2/
為一虛擬VM 租用服務.租用之後
Amazon現有365天99.95%可用性的服務層級協定(SLA)。
穩定度非常高.價格也有彈性
理論上可以做 IP PBX 某種備援狀況.
以下面方式安裝並上線使用
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
- Install an fresh CentOS 5.4 operation system
- Install all packages(rpm) of Elastix
- 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
Install all packages(rpm) of Elastix
I modified the official install script to be able to complete the installation of all rpms on EC2.
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
// 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/2.6.18-xenU-ec2-v1.0/build
ln -s /usr/src/xen-3.1.0-src-ec2-v1.0/build-linux-2.6.18-xenU_x86_32 \
/lib/modules/2.6.18-xenU-ec2-v1.0/build
rm -f /lib/modules/2.6.18-xenU-ec2-v1.0/source
ln -s /usr/src/xen-3.1.0-src-ec2-v1.0/linux-2.6.18-xen \
/lib/modules/2.6.18-xenU-ec2-v1.0/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 make install
// 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 http://169.254.169.254/latest/meta-data/public-ipv4
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