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ubuntu18.04安装zabbix教程
1. 更新国内镜像源
备份原有的apt镜像源文件
cp /etc/apt/sources.list /etc/apt/sources.list.bak
删除镜像源文件
rm -rf cp /etc/apt/sources.list
重新创建镜像源文件，在文件中重新写入如下内容，保存后更新源：apt update
vim /etc/apt/sources.list
#阿里源
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
#网易源
deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse
#清华源
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
##中科大源
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/mysql/apt/ubuntu bionic mysql-5.7 mysql-8.0 mysql-tools
2. 卸载已有mysql
检查是否存在mysql dpkg --list | grep mysql，如果存在，则大概如下图所示，如果没有输出，表示没有mysql安装。
移除mysql-common：apt remove mysql-common
可以卸载并清除mysql5.7：apt autoremove --purge mysql-server-5.7
清除残留数据：dpkg -l | grep ^rc| awk '{print$2}'| sudo xargs dpkg -P 如果显示如下或者没有输出表示已清除干净
再次检查是否还有mysql信息：dpkg --list | grep mysql如果不为空，继续执行下面代码：
apt autoremove --purge mysql-apt-config
3. 安装mysql8.0
下载存储库软件包：wget -c https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb
安装软件包：dpkg -i mysql-apt-config_0.8.10-1_all.deb
更新软件包：sudo apt-get update，如果存在如下错误，需要更新key
解决方案：
查看签名列表：apt-key list
删除过期的签名（基本都一样）:sudo apt-key del dsa1024
重新添加新的签名：
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
这里的key需要填写报错部分的内容
继续执行更新命令：apt update
安装mysql，看看版本是不是8.0，如果是，按Y继续执行，否则重复上面的步骤
apt-get install mysql-server
安装完成后查看是否安装成功，可以登录到mysql看看mysql -uroot -p，输入安装时候填的密码即可
4. 安装zabbix-6.0
参考：zabbix官网安装教程
5. 卸载zabbix
卸载zabbix组件
apt-get --purge remove zabbix-server-mysql
apt-get autoremove zabbix-server-mysql
apt-get --purge remove zabbix-frontend-php
apt-get autoremove zabbix-frontend-php
apt-get --purge remove abbix-apache-conf
apt-get autoremove abbix-apache-conf
apt-get --purge remove zabbix-agent 删除软件其配置
apt-get autoremove zabbix-agent 删除软件依赖包
清理数据
dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P
删除apt-get上下载的软件包
apt-get autoclean
删除缓存的所有软件包
apt-get clean
6. 修改mysql8允许远程登录
允许用户远程登录
update user set host='%' where user='zabbix';
修改密码策略，mysql8默认的密码策略是：caching_sha2_password
alter user 'zabbix'@'%' identified with mysql_native_pasword by 'zabbix'
允许用户远程访问数据库，如果把zabbix.换为.*则表示可以访问所有数据库；
grant all privileges on zabbix.* to 'zabbix'@'%';
刷新权限
flush privileges;
7. centos安装zabbix-agent
7.1 rpm安装
# 1.下载rpm包
wget https://mirrors.aliyun.com/zabbix/zabbix/6.0/rhel/7/x86_64/zabbix-agent-6.0.12-release1.el7.x86_64.rpm?spm=a2c6h.25603864.0.0.4a7e7a10yQa5Nh
# 2.安装rpm包
rpm -ivh zabbix-agent-6.0.12-release1.el7.x86_64.rpm
# 3.配置zabbix-agent允许root启动
vim /etc/zabbix/zabbix_agent.conf
Allowroot=1
Server=127.0.0.1，x.x.x.x # 服务端的IP地址
ServerActive=127.0.0.1 # 服务端IP地址
Hostname=controller # hostname，每台机器配置自己的hostname
# 4.修改用户为root
vim /usr/lib/systemd/system/zabbix-agent.service
user=root
group=root
# 5.重新加载守护进程并启动
systemctl daemon-reload
systemctl restart zabbix-agent
# TIPS：这种方式安装可能会缺少依赖
7.2 yum源安装
# 1.创建zabbix.repo镜像源
vim /etc/yum.repos.d/zabbix.repo
[zabbix]
name=Zabbix Official Repository
baseurl=http://repo.zabbix.com/zabbix/6.0/rhel/7/x86_64/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
# 2.更新镜像源
yum clean all
yum makecache
# 3.安装zabbix-agent
yum install -y zabbix-agent
# 4.修改配置
vim /etc/zabbix/zabbix_agentd.conf
Allowroot=1
Server=127.0.0.1，x.x.x.x # 服务端的IP地址
ServerActive=127.0.0.1 # 服务端IP地址
Hostname=controller # hostname，每台机器配置自己的hostname
# 5.修改用户为root
vim /usr/lib/systemd/system/zabbix-agent.service
user=root
group=root
# 6.启动服务
systemctl start zabbix-agent
systemctl enable zabbix-agent
systemctl status zabbix-agent