CentOS7下部署開(kāi)源網(wǎng)絡(luò)監(jiān)控系統(tǒng)LibreNMS

西北望msm66g9f 2021-01-12

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一、LibreNMS簡(jiǎn)單介紹

LibreNMS是一款開(kāi)源的，功能強(qiáng)大且功能豐富的自動(dòng)發(fā)現(xiàn)的網(wǎng)絡(luò)監(jiān)控系統(tǒng)，基于PHP,使用SNMP協(xié)議。它支持廣泛的操作系統(tǒng)，包括Linux，F(xiàn)reeBSD以及思科，Juniper，Brocade，F(xiàn)oundry，HP等網(wǎng)絡(luò)設(shè)備。

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二、CentOS7下部署LibreNMS

參考官方配置文檔完成

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https://docs./Installation/Installation-CentOS-7-Nginx/

1、關(guān)閉SELINUX，配置yum源

setenforce 0
sed -i 's/^SELINUX=.*$/SELINUX=disabled/' /etc/selinux/config
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

2、配置remi-php73源，安裝LibreNMS所需的組件

yum install -y yum-utils
yum localinstall http://rpms./enterprise/remi-release-7.rpm
yum-config-manager --enable remi-php73
yum install composer cronie fping git ImageMagick jwhois mariadb mariadb-server mtr MySQL-python net-snmp net-snmp-utils nginx nmap php-fpm php-cli php-common php-curl php-gd php-mbstring php-process php-snmp php-xml php-zip php-memcached php-mysqlnd python-memcached rrdtool python3 python3-pip python3-devel

3.git下載lirenms最新版本

cd /opt
git clone https://github.com/librenms/librenms.git

useradd librenms -d /opt/librenms -M -r
usermod -a -G librenms nginx
chown -R librenms:librenms /opt/librenms
chmod 770 /opt/librenms
chgrp apache /var/lib/php/session/

4、切換到librenms用戶，配置php環(huán)境

su - librenms
./scripts/composer_wrapper.php install --no-dev
exit

5、配置數(shù)據(jù)庫(kù)

systemctl start mariadb
mysqladmin -u root password 'MySQL@2021'

mysql -u root -pMySQL@2021
登錄數(shù)據(jù)庫(kù)并創(chuàng)建如下數(shù)據(jù)庫(kù)表
CREATE DATABASE librenms CHARACTER SET utf8 COLLATE utf8_unicode_ci;
CREATE USER 'librenms'@'localhost' IDENTIFIED BY 'librenms@2021';
GRANT ALL PRIVILEGES ON librenms.* TO 'librenms'@'localhost';
FLUSH PRIVILEGES;
exit

vi /etc/my.cnf
[mysqld]下加入如下兩行
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

systemctl enable mariadb
systemctl restart mariadb

6、配置php環(huán)境

vi /etc/php.ini
修改時(shí)區(qū)配置如下
date.timezone = Asia/Shanghai

vi /etc/php-fpm.d/www.conf
修改成如下行
;user = apache
user = nginx

group = apache   
;keep group as apache

;listen = 127.0.0.1:9000
listen = /run/php-fpm/php-fpm.sock

listen.owner = nginx
listen.group = nginx
listen.mode = 0660

systemctl enable php-fpm
systemctl restart php-fpm

7、配置nginx

vi /etc/nginx/conf.d/librenms.conf

server {
listen      80;
server_name librenms.example.com;
root        /opt/librenms/html;
index       index.php;

charset utf-8;
gzip on;
gzip_types text/css application/javascript text/javascript application/x-javascript image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon;
location / {
  try_files $uri $uri/ /index.php?$query_string;
}
location /api/v0 {
  try_files $uri $uri/ /api_v0.php?$query_string;
}
location ~ \.php {
  include fastcgi.conf;
  fastcgi_split_path_info ^(.+\.php)(/.+)$;
  fastcgi_pass unix:/run/php-fpm/php-fpm.sock;
}
location ~ /\.ht {
  deny all;
}
}

并刪掉/etc/nginx/nginx.conf中server段默認(rèn)配置

systemctl enable nginx
systemctl restart nginx

8、snmpd配置

cp /opt/librenms/snmpd.conf.example /etc/snmp/snmpd.conf

vi /etc/snmp/snmpd.conf中團(tuán)體名，例如librenms
com2sec readonly  default      librenms
curl -o /usr/bin/distro https://raw./librenms/librenms-agent/master/snmp/distro
chmod +x /usr/bin/distro
systemctl enable snmpd
systemctl restart snmpd

9、crond配置與logrotated配置

cp /opt/librenms/librenms.nonroot.cron /etc/cron.d/librenms
cp /opt/librenms/misc/librenms.logrotate /etc/logrotate.d/librenms

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10、登錄web界面，添加監(jiān)控設(shè)備，功能界面體驗(yàn)

監(jiān)控設(shè)備的snmpd可以參考之前文章

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