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2009 年 05 月 11 日技术合集

Centos5.2下Cacti安装配置

  一、编译安装基本环境
  使用 yum 程序安装所需开发包(以下为标准的 RPM 包名称)
  #rpm –import http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
  #yum -y install ntp vim-enhanced gcc gcc-c++ gcc-g77 flex bison utoconf automake bzip2-devel curses-devel zlib-devel ibjpeg-devel libpng-devel libtiff-devel freetype-devel libXpm-devel gettext-devel pam-devel kernel
  二、 编译安装软件包
  源码编译安装所需包(Source)
  1) GD2
  # cd /usr/local/src
  # tar xvf gd-2.0.35.tar.gz
  # cd gd-2.0.35
  # ./configure –prefix=/usr/local/gd2
  # make
  # make install
  2) LibXML2
  # cd /usr/local/src
  # tar xvf libxml2-2.6.29.tar.bz2
  # cd libxml2-2.6.29
  # ./configure –prefix=/usr/local/libxml2
  # make
  # make install
  3) LibMcrypt
  # cd /usr/local/src
  # tar xvf libmcrypt-2.5.8.tar.bz2
  # cd libmcrypt-2.5.8
  # ./configure –prefix=/usr/local/libmcrypt
  # make
  # make install
  4). OpenSSL和OpenSSH
  # cd /usr/local/src
  # tar xvf openssl-0.9.8g.tar.gz
  # cd openssl-0.9.8g
  # ./config –prefix=/usr/local/openssl
  # make
  # make test
  # make install
  # cd ..
  # tar xvf openssh-5.0p1.tar.gz
  # cd openssh-5.0p1
  # ./configure \
  ”–prefix=/usr” \
  ”–with-pam” \
  ”–with-zlib” \
  ”–sysconfdir=/etc/ssh” \
  ”–with-ssl-dir=/usr/local/openssl” \
  ”–with-md5-passwords”
  # make
  # make install
  配置:
  1) 禁用 SSH V1 协议
  # vi /etc/ssh/ssh_config
  找到#Protocol 2,1改为:Protocol 2
  2) 禁用服务器端GSSAPI
  找到以下两行,并将它们注释:
  GSSAPIAuthentication yes
  GSSAPICleanupCredentials yes
  3) 禁用 DNS 名称解析
  找到:#UseDNS yeas改为:UseDNS no
  4)禁用客户端 GSSAPI
  # vi /etc/ssh/ssh_config 找到:
  GSSAPIAuthentication yes
  将这行注释掉。
  最后,确认修改正确后重新启动 SSH 服务
  # service sshd restart
  # ssh -v
  确认 OpenSSH 以及 OpenSSL 版本正确。
  三、编译安装A.M.P环境
  1.下载软件编译安装
  1)下载软件
  # cd /usr/local/src
  httpd-2.2.8.tar.gz
  mysql-5.0.51b.tar.gz
  php-5.2.6.tar.bz2
  2) 安装MySQL
  查看分析你的CPU型号:
  http://gentoo-wiki.com/Safe_Cflags 查找您的GCC编译参数.
  确定系统CPU类型:
  # cat /proc/cpuinfo | grep “model name”
  执行后会看到系统中CPU的具体型号,记下CPU型号。
  # tar xvf mysql-5.0.51b.tar.gz
  # cd mysql-5.0.51b
  # vi mysql.sh
  CHOST=”i686-pc-linux-gnu”
  CFLAGS=”-march=prescott -O2 -pipe -fomit-frame-pointer”
  CXXFLAGS=”${CFLAGS}”
  ./configure \
  ”–prefix=/usr/local/mysql” \
  ”–localstatedir=/data/mysql/data” \
  ”–with-comment=Source” \
  ”–with-server-suffix=-LinuxTone” \
  ”–with-mysqld-user=mysql” \
  ”–without-debug” \
  ”–with-big-tables” \
  ”–with-charset=gbk” \
  ”–with-collation=gbk_chinese_ci” \
  ”–with-extra-charsets=all” \
  ”–with-pthread” \
  ”–enable-static” \
  ”–enable-thread-safe-client” \
  ”–with-client-ldflags=-all-static” \
  ”–with-mysqld-ldflags=-all-static” \
  ”–enable-assembler” \
  ”–without-isam” \
  ”–without-innodb” \
  ”–without-ndb-debug”
  make && make install
  mkdir -p /data/mysql/data
  useradd mysql -d /data/mysql -s /sbin/nologin
  /usr/local/mysql/bin/mysql_install_db –user=mysql
  cd /usr/local/mysql
  chown -R root:mysql .
  chown -R mysql /data/mysql/data
  cp share/mysql/my-huge.cnf /etc/my.cnf
  cp share/mysql/mysql.server /etc/rc.d/init.d/mysqld
  chmod 755 /etc/rc.d/init.d/mysqld
  chkconfig –add mysqld
  /etc/rc.d/init.d/mysqld start
  cd /usr/local/mysql/bin
  for i in *; do ln -s /usr/local/mysql/bin/$i /usr/bin/$i; done
  #sh mysql.sh 即可开始编译.
  3) 编译安装Apache
  # cd /usr/local/src
  # tar xvf httpd-2.2.8.tar.gz
  # cd httpd-2.2.8
  ./configure \
  ”–prefix=/usr/local/apache2″ \
  ”–with-included-apr” \
  ”–enable-so” \
  ”–enable-deflate=shared” \
  ”–enable-expires=shared” \
  ”–enable-rewrite=shared” \
  ”–enable-static-support” \
  ”–disable-userdir”
  make
  make install
  echo ‘/usr/local/apache2/bin/apachectl start ‘ >> /etc/rc.local
  4).编译安装PHP
  # cd /usr/local/src
  # tar xjvf php-5.2.6.tar.bz2
  # cd php-5.2.6
  ./configure \
  ”–prefix=/usr/local/php” \
  ”–enable-discard-path” \
  ”–enable-force-cgi-redirect” \
  ”–with-config-file-path=/usr/local/php/etc” \
  ”–enable-zend-multibyte” \
  ”–with-mysql=/usr/local/mysql” \
  ”–with-mysqli=/usr/local/mysql/bin/mysql_config” \
  ”–with-libxml-dir=/usr/local/libxml2/bin” \
  ”–with-xmlrpc” \
  ”–with-gd=/usr/local/gd2″ \
  ”–with-jpeg-dir” \
  ”–with-png-dir” \
  ”–with-bz2″ \
  ”–with-freetype-dir” \
  ”–with-zlib-dir ” \
  ”–with-openssl=/usr/local/openssl” \
  ”–with-mcrypt=/usr/local/libmcrypt” \
  ”–enable-sysvsem” \
  ”–enable-inline-optimization” \
  ”–enable-soap” \
  ”–enable-gd-native-ttf” \
  ”–enable-ftp” \
  ”–enable-mbstring” \
  ”–enable-exif” \
  ”–disable-debug” \
  ”–disable-ipv6″ \
  ”–enable-sockets” \
  ”–with-snmp”
  make
  make install
  mkdir /usr/local/php/etc
  cp php.ini-dist /usr/local/php/etc/php.ini
  2、整合Apache与PHP及系统初化配置.
  1)整合Apache与PHP
  # vi /usr/local/apache2/conf/httpd.conf
  找到:
  AddType application/x-gzip .gz .tgz
  在该行下面添加
  AddType application/x-httpd-php .php
  找到:
  <IfModule dir_module>
  DirectoryIndex index.html
  </IfModule>
  将该行改为
  <IfModule dir_module>
  DirectoryIndex index.html index.htm index.php
  </IfModule>
  找到:
  #Include conf/extra/httpd-mpm.conf
  #Include conf/extra/httpd-info.conf
  #Include conf/extra/httpd-vhosts.conf (虚拟主机配置文件存放目录.)
  #Include conf/extra/httpd-default.conf
  去掉前面的”#”号,取消注释。
  注意:以上 4 个扩展配置文件中的设置请按照相关原则进行合理配置!
  修改完成后保存退出。
  # /usr/local/apache2/bin/apachectl restart
  2)查看确认L.A.M.P环境信息
  在网站根目录放置 info.php 脚本,检查phpinfo中的各项信息是否正确。
  <?php
  phpinfo();
  ?>
  3)配置虚拟主机:
  #vi /usr/local/apache2/conf/extra/httpd-vhosts.conf
  NameVirtualHost *:80
  <VirtualHost *:80>
  ServerAdmin hamgua@gmail.com
  DocumentRoot “/data/www/wwwroot”
  ServerName cacti.test.comServer
  Alias cacti.test.cn
  # ErrorLog “logs/dummy-host.example.com-error_log”
  # CustomLog “|/usr/sbin/cronolog /data/logaccess_www.linuxtone.org.%Y%m%d” combined
  </VirtualHost>
  四、安装采集工具
  SNMP全名是简单网络管理协议,几乎所有的网络设备(交换机、路由器等)和操作系统默认安装了认都安装了snmp服务。
  Cacti 系统所在的服务器并不一定要安装SNMP服务,但是Cacti系统采集数据要用到Net-SNMP包里面的几个工具,所以最好也在Cacti服务器上安装 SNMP服务。我们可以直接在系统中运行snmpwalk和snmpget看是否有该命令,如果有则无需安装了。
  如果操作系统没有安装SNMP,可以到本文最后的资源里的Net-SNMP官方网站上下载源码或二进制包进行安装。
  #yum -y install net-snmp*
  #rpm -qa|grep snmp
  net-snmp-libs-5.3.1-24.el5_2.2
  net-snmp-perl-5.3.1-24.el5_2.2
  net-snmp-utils-5.3.1-24.el5_2.2
  net-snmp-5.3.1-24.el5_2.2
  net-snmp-devel-5.3.1-24.el5_2.2
  五、安装rrdtool
  我这里使用的是rpm包安装
  #wget
  ftp://rpmfind.net/linux/fedora/updates/9/i386.newkey/rrdtool-1.3.4-2.fc9.i386.rpm
  #rpm -ivh rrdtool-1.3.4-2.fc9.i386.rpm
  warning: rrdtool-1.3.4-2.fc9.i386.rpm:
  Header V3 DSA signature: NOKEY, key ID 6df2196f
  error: Failed dependencies:
  dejavu-lgc-fonts is needed by rrdtool-.3.4-2.fc9.i386
  #yum -y install dejavu-lgc-fonts
  #rpm -ivh rrdtool-1.3.4-2.fc9.i386.rpm
  warning: rrdtool-1.3.4-2.fc9.i386.rpm: Header V3 DSA signature: NOKEY, key ID 6df2196f
  Preparing… ###########################################[100%]
  1:rrdtool ########################################### [100%]
  六、安装配置cacti
  下载cacti的源码包
  #wget http://www.cacti.net/downloads/cacti-0.8.7b.tar.gz
  #tar zvxf cacti-0.8.7b.tar.gz
  #mv cacti-0.8.7b /data/www/wwwroot/cacti
  #cd /data/www/wwwroot/cacti
  配置帐号及mysql:
  groupadd cactiuser
  add -g cacti cactiuser
  mysql -uroot -p
  mysql> create database cactidb;
  mysql> grant all on cactidb.* to root;
  mysql> grant all on cactidb.* to root@localhost;
  mysql> grant all on cactidb.* to cactiuser;
  mysql> grant all on cactidb.* to cactiuser@localhost identified by ‘123456’;
  mysql> flush privileges;
  mysql> exit
  Catci配置:
  # mysql cactidb -uroot -p < cacti.sql
  # chown -R cactiuser rra/ log/
  # chmod -R 777 rra/ log/
  # vi include/config.php
  $database_type = “mysql”;
  $database_default = “cactidb”;
  $database_hostname = “localhost”;
  $database_username = “cactiuser”;
  $database_password = “123456”;
  $database_port = “3306”;
  配置让系统每五分钟去取一次snmp数据:
  #crontab -u cactiuser -e //注意要用cactiuser就是你刚刚建立的那个帐号去运行crontab
  */5 * * * * /usr/local/php/bin/php /data/www/wwwroot/cacti/poller.php > /dev/null 2>&1
  七、客户端snmp配置
  #yum -y install net-snmp*
  #vi /etc/snmp/snmpd.conf
  # SNMP configfile for Linux servers
  com2sec local 127.0.0.1 public
  com2sec local 192.168.22.0/24 public
  group MyROGroup v1 local
  group MyROGroup v2c local
  group MyROGroup usm local
  view all included .1 80
  access MyROGroup “” any noauth exact all none nones
  yslocation (/etc/snmpd/snmpd.conf)
  syscontact Me <hamgua@gmail.com>
  #service snmpd restart
  八、配置完成
  打开浏览器输入
  http://ip/cacti
  输入用户名密码,默认的是admin,admin
  然后提示修改密码
  好了配置结束
  尽情的去享受cacti吧!

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