5.3監(jiān)控apache nginx
5.3.1準(zhǔn)備工作
1.網(wǎng)絡(luò)規(guī)劃:
cacti:10.10.54.50
##在同一臺(tái)機(jī)器上nginx和apache不能同時(shí)開啟,因?yàn)槎紴?0端口。
nginx && apche:10.10.54.54
2.軟件下載
服務(wù)器器端:
wget http://ftqzy-it-code.googlecode.com/files/ApacheStats_0.8.2.zip
wget http://autosetup1.googlecode.com/files/cacti-nginx.tar.gz
yum -y install perl-libwww-perl
yum install cacti
客戶端:
yum install -y snmpd
wget http://nginx.org/download/nginx-1.4.5.tar.gz
yum install -y httpd
3.修改配置文件
在做監(jiān)控apache和nginx服務(wù)之前,需要能夠?qū)崿F(xiàn)對(duì)遠(yuǎn)程主機(jī)的監(jiān)控
[root@xiao54 ~]# vim /etc/snmp/snmpd.conf
===============================================
# sec.name source community
com2sec notConfigUser 10.10.54.50 public
# group context sec.model sec.level prefix read write notif
access notConfigGroup "" any noauth exact all none none
## incl/excl subtree mask
view all included .1 80
proc mountd
proc ntalkd 4
proc sendmail 10 1
disk / 10000
load 12 14 14
=======================================================
簡(jiǎn)要說明:
ExtendedStatus On表示的是訪問時(shí)能看到詳細(xì)的請(qǐng)求信息,
注意:該設(shè)置僅能用于全局設(shè)置,不能在特定的虛擬主機(jī)中打開或關(guān)閉。
啟用擴(kuò)展?fàn)顟B(tài)信息將會(huì)導(dǎo)致服務(wù)器運(yùn)行效率降低。
Deny from表示禁止訪問的地址;
Allow from表示允許訪問的地址;
4.重啟服務(wù)
/etc/init.d/snmpd restart
5.3.2監(jiān)控apache
//客戶端:
1.安裝http
yum install -y httpd
2.修改配置文件
[root@xiao54 ~]# vim /etc/httpd/conf/httpd.conf
============================================
LoadModule status_module modules/mod_status.so
ExtendedStatus On
<Location /server-status>
SetHandler server-status
Order deny,allow
Deny from all
Allow from 10.10.54.0/255.255.255.0
</Location>
===========================================
3.重啟服務(wù)
[root@xiao54 ~]# /etc/init.d/httpd stop
[root@xiao54 ~]# /etc/init.d/httpd start
4.測(cè)試頁(yè)面
//服務(wù)器端
1.解壓插件包
[root@xiao50 softs]# tar xvf ApacheStats_0.8.2.zip
2.復(fù)制解壓插件到腳本目錄
[root@xiao50 ApacheStats_0.8.2]# cp ss_apache_stats.php /web/vhosts/cacti/scripts/
3.更改目錄權(quán)限
[root@xiao50 ~]# chmod 755 /web/vhosts/cacti/scripts/
//cacti管理界面
1.導(dǎo)入模板
2.新建apache主機(jī)
點(diǎn)擊create.
2.添加監(jiān)控選項(xiàng)
5.3.3監(jiān)控nginx
//客戶端
1.安裝nginx
1)解壓
[root@xiao54 softs]# tar xvf nginx-1.4.5.tar.gz
2)編譯
[root@xiao54 nginx-1.4.5]# ./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_stub_status_module
--with-http_gzip_static_module --with-http_ssl_module
make
make install
3)啟動(dòng)服務(wù)
[root@xiao54 ~]# /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
2.修改配置文件
[root@xiao54 ~]# vim /usr/local/nginx/conf/nginx.conf
==================================================
user nginx nginx;
worker_processes 2;
error_log logs/error.log info;
pid logs/nginx.pid
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
access_log logs/access.log;
sendfile on;
tcp_nopush on;
keepalive_timeout 65;
gzip on;
server {
listen 80;
server_name localhost;
location / {
root html;
index index.html index.htm;
}
location /NginxStatus {
stub_status on; --啟用狀態(tài)監(jiān)測(cè)
access_log off; --關(guān)閉訪問日志
}
===============================================
killall -s HUP nginx (令Nginx配置生效)
3.測(cè)試
瀏覽器輸入:http://10.10.54.54/NginxStatus
顯示Nginx的運(yùn)行狀態(tài)頁(yè)面
Active connections: 2
server accepts handled requests
2 2 1
Reading: 0 Writing: 1 Waiting: 1
對(duì)上面顯示結(jié)果的分析:
active connection--所有打開的連接,包括連接到后端的服務(wù)器的。
server accepts handled requests--nginx已經(jīng)接受2個(gè)連接(第一個(gè)位置),處理了2個(gè)連接(第二個(gè)位置),請(qǐng)求的數(shù)量(1個(gè)連接對(duì)應(yīng)著1個(gè)請(qǐng)求)
reading--讀取的請(qǐng)求頭
writing--讀取的請(qǐng)求主體,處理的請(qǐng)求或者寫入的應(yīng)該。
waiting--keepalive連接數(shù),等于active-(reading+writing)。
//服務(wù)器端
1.解壓插件包
[root@xiao50 softs]# tar xvf cacti-nginx.tar.gz
2.復(fù)制解壓插件到腳本目錄
[root@xiao50 cacti-nginx]# cp get_nginx_clients_status.pl /web/vhosts/cacti/scripts/
[root@xiao50 cacti-nginx]# cp get_nginx_socket_status.pl /web/vhosts/cacti/scripts/
3.更改目錄權(quán)限
[root@xiao50 ~]# chmod 755 /web/vhosts/cacti/scripts/
4. 驗(yàn)證
[root@xiao50 ~]# /web/vhosts/cacti/scripts/get_nginx_clients_status.pl http://10.10.54.54/NginxStatus
##error
no (LWP::UserAgent not found)
solution:
yum -y install perl-libwww-perl
再次驗(yàn)證:
[root@xiao50 ~]# /web/vhosts/cacti/scripts/get_nginx_clients_status.pl http://10.10.54.54/NginxStatus
nginx_active:1 nginx_reading:0 nginx_writing:1 nginx_waiting:0
[root@xiao50 ~]# /web/vhosts/cacti/scripts/get_nginx_socket_status.pl http://10.10.54.54/NginxStatus
nginx_accepts:4 nginx_handled:4 nginx_requests:4
//cacti管理界面
1.導(dǎo)入模板
Console -> Import Templates
從本機(jī)選取:
cacti_graph_template_nginx_clients_stat.xml
cacti_graph_template_nginx_sockets_stat.xml
->Import
-----待完善-----
當(dāng)前名稱:cacti監(jiān)控apachenginx
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