企業級監控工具cacti安裝配置全過程

基礎信息:

OS：RHEL 5.8

SOFT： apr-util-1.4.1.tar.bz2  cmake-2.8.6.tar.gz  libmcrypt-2.5.8.tar.gz  php-5.4.36.tar.bz2

             rrdtool-1.4.7.tar.tar    apr-1.4.6.tar.bz2     cacti-0.8.8c.tar.gz       httpd-2.4.2.tar.bz2 

             mysql-5.5.22.tar.gz    php-5.4.5.tar.bz2
首先編譯安裝LAMP平臺，建議卸載掉對應rpm包，否則在各程序協作的時候可能會有問題。

1. install apr and apr-util：

2. tar xf apr-1.4.6.tar.bz2   

   cd apr-1.4.6 

   ./buildconf 

   ./configure --prefix=/usr/local/apr 

   make 

   make install 

    

   tar xf apr-util-1.4.1.tar.bz2 

    

   cd apr-util-1.4.1   

   ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr 

   make 

   make install 

3. install apache：

    yum -y install pcre-devel 

   tar xf httpd-2.4.2.tar.bz2  

   cd httpd-2.4.2 

   ./configure --prefix=/usr/local/apache --sysconfdir=/etc/httpd --enable-so --enable-suexec --enable-ssl --enable-rewrite --enable-rewrite --with-zlib --with-pcre --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --enable-modules=most --enable-modules-shared=most --enable-mpms-shared=all  

   make 

   make install 

    

   echo "PATH=\$PATH:/usr/local/apache/bin" >> /etc/profile 

   export PATH=$PATH:/usr/local/apache/bin 

   echo "MANPATH  /usr/local/apache/man " >> /etc/man.config 

   ln -sv /usr/local/apache/include /usr/include/httpd

4. install cmake:

   tar xf cmake-2.8.8.tar.gz 

   cd cmake-2.8.8 

   ./bootstrap 

   make 

   make install

5. install mysql

   groupadd -r mysql 

   useradd -g mysql -r -d /data/mysql mysql 

   tar xf mysql-5.5.22a.tar.gz 

   cd mysql-5.5.22a 

   cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/data/mysql -DSYSCONFDIR=/etc -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1  -DWITH_READLINE=1 -DWITH_SSL=system -DWITH_ZLIB=system -DWITH_LIBWRAP=0 -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DENABLE_PROFILING=1   

   make 

   make install 

    

6. cd /usr/local/mysql 

chown -R :mysql . 

mkdir -pv /data/mysql 

chown -R mysql:mysql /data/ 

cp /usr/local/mysql/support-files/my-large.cnf /etc/my.cnf 

cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld 

chmod +x /etc/rc.d/init.d/mysqld 

chkconfig --add mysqld 

scripts/mysql_install_db --user=mysql --datadir=/data/mysql 

sed -i '/\[mysqld\]/a \datadir = /data/mysql' /etc/my.cnf

sed -i '/\[mysqld\]/a \basedir = /usr/local/mysql' /etc/my.cnf

sed -i 's/thread_concurrency = 8/thread_concurrency = 2/g' /etc/my.cnf 

echo "PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile

export PATH=$PATH:/usr/local/mysql/bin 

echo "MATHPATH /usr/local/mysql/man" >> /etc/man.config 

ln -sv /usr/local/mysql/include /usr/include/mysql 

echo " /usr/local/mysql/lib " >> /etc/ld.so.conf.d/mysql.conf 

ldconfig 

service  mysqld start 

6.install php

安裝php之前有可能會要求安裝libmcrypt，我直接在chinaunix下載的源碼 編譯安裝即可，然後編譯PHP時加上 --with-mcrypt=DIR

tar xf  php-5.4.4.tar.bz2 

cd  php-5.4.4 

./configure --prefix=/usr/local/php --with-mysql=/usr/local/mysql --with-openssl --with-mysqli=/usr/local/mysql/bin/mysql_config --enable-mbstring --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml  --with-apxs2=/usr/local/apache/bin/apxs --with-mcrypt  --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d --with-bz2 --enable-sockets   

make 

make install   

cp php-5.4.4/php.ini-production /etc/php.ini 

echo "AddType application/x-httpd-php  .php " >> /etc/httpd/httpd.conf 

echo "AddType application/x-httpd-php-source  .phps" >> /etc/httpd/httpd.conf 

sed -i 's/DirectoryIndex index.html/DirectoryIndex index.php index.html/g' /etc/httpd/httpd.conf 

上面所有操作無錯誤執行完以後可以建個測試php頁測試下是不是OK，如果沒問題，開始裝cacti部分：

 1.我爲cacti直接建立的虛擬主機：

首先修改httpd.conf添加:include /etc/httpd/extra/httpd-vhosts.conf

然後修改http-vhosts.conf：

<VirtualHost *:80>
    DocumentRoot "/usr/local/apache/htdocs/cacti
    ServerName cacti.jerry.com
    ErrorLog "logs/cacti-error_log"
    CustomLog "logs/cacti-access_log" common
</VirtualHost>

2.安裝rrdtool：

tar xf rrdtool-1.4.7.tar.gz 

cd rrdtool-1.4.7 

./configure --prefix=/usr/local/rrdtool 

make 

make install 

echo "MANPATH  /usr/local/rrdtool/share/man" >> /etc/man.config 

echo "PATH=$PATH:/usr/local/rrdtool/bin " >> /etc/profile 

export PATH=$PATH:/usr/local/rrdtool/bin 

ln -sv /usr/local/rrdtool/include /usr/include/rrdtool 

echo "/usr/local/rrdtool/lib" >> /etc/ld.so.conf.d/rrdtool.conf 

ldconfig

3.yum安裝net-snmp、net-snmp-util並設置自動運行，此處不給詳細命令了

4.安裝cacti

爲cacti創建數據庫，並初始化所需要表：

mysqladmin create cacti      //此時的密碼爲mysql的密碼
cd /usr/local/apache/htdocs/cacti
mysql cacti < cacti.sql

創建mysql用戶，使用cacti能訪問其cacti數據庫

mysql -e "GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'cactiuser'";

//創建了用戶cactiuser 密碼也爲cactiuser
mysqladmin -p flush-privileges
mysql -ucactiuser -p          //驗證一下是否正確

接着創建系統用戶cactiuser，以之運行cacti的數據獲取和日誌記錄等工作

useradd cactiuser
chown -R cactiuser:cactiuser /usr/local/apache/htdocs/cacti/{log,rra}

以cactiuser用戶的身份，每5鍾獲取一次數據：

echo '*/5 * * * *  /usr/local/php/bin/php /usr/local/apache/htdocs/cacti/poller.php &> /dev/null' > /var/spool/cron/cactiuser

修改php時區：

vim /etc/php.ini
date.timezone = Asia/Shanghai

編輯cacti的配置文件include/config.php啓用並修改如下行：
//$url_path = "/cacti/";
我們這裏將之修改爲：
$url_path = "/";

而後在瀏覽器中打開http://cacti.jerry.com，按提示一步步配置即可完成安裝。
密碼第一次輸入的時候，會讓修改密碼，用戶默認爲admin 密碼爲admin