null yum 重新 安裝jdk databases rep 目錄權限 方式 mct

# linux環境部署

## 步驟
-----------------------------
- 配置系統DNS
- 重啟網絡服務
- 安裝jdk
- 新建日誌目錄設置權限
- 停止防火墻
- 啟動後臺服務

### 配置系統dns
-----------------------------
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DNS1=
‘重啟網絡服務
systemctl restart network

## 安裝jdk
-----------------------------
yum install java-1.8.0-openjdk -y

## 建立日誌目錄權限設置任意

-----------------------------
mkdir /data/logs
chmod -R 777 /data/logs

## 後臺服務方式運行jar
-----------------------------
nohup java -jar testservice.jar > /dev/null &

## 停止防火墻
-----------------------------
systemctl stop firewalld

## 安裝mysql5.7數據庫
-----------------------------
wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm

rpm -ivh mysql57-community-release-el7-8.noarch.rpm
yum install mysql-server -y
mysql5.7默認生成一個隨機密碼在/var/log/mysql.log.
mysql -uroot -p***** 登錄修改密碼
set password = password(‘123456‘)
exit;
重新登錄查看
show databases; 查看數據庫

## 更換yum源
-----------------------------
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum makecache

## 安裝epel
-----------------------------
yum install epel-release -y

## 安裝redis
-----------------------------
yum install redis -y
systemctl start redis 啟動服務
redis-cli 訪問

linux環境部署