防火墙
查看状态
firewall-cmd --state
关闭
systemctl stop firewalld.service<br>
取消开机启动
systemctl disable firewalld.service<br>
SELinux
关闭(需重启)
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
验证
grep SELINUX=disabled /etc/selinux/config<br>
IP
修改
vim /etc/sysconfig/network-scripts/ifcfg-ens33
重启
systemctl restart network.service
关闭IPv6
vim /etc/sysctl.conf
时间
查看
timedatectl status|grep 'Time zone'<br>
设置
硬件时钟调整为与本地时钟一致
timedatectl set-local-rtc 1<br>
时区为上海
timedatectl set-timezone Asia/Shanghai<br>
ntpdate
安装
yum -y install ntpdate<br>
同步
ntpdate -u ntp.aliyun.com<br>
crotab
添加
*/5 * * * * /usr/sbin/ntpdate ntp.aliyun.com > /dev/null 2>&1
java
jdk下载
jdk-8u131-linux-x64.tar.gz
安装
创建目录
mkdir /usr/local/java/
解压
tar -zxvf jdk-8u131-linux-x64.tar.gz -C /usr/local/java/
设置环境变量
添加软连接
ln -s /usr/local/java/jdk1.8.0_131/bin/java /usr/bin/java
sh脚本
增加环境变量引用
#!/bin/bash<br>source /etc/profile
赋予执行权限
chmod +x /root/autostart.sh
设置开机启动
echo "/root/autostart.sh > /dev/null 2>&1" >> /etc/rc.d/rc.local
赋予执行权限
chmod +x /etc/rc.d/rc.local
mysql5.7
检查mysql是否存在
rpm -qa | grep mysql<br>rpm -qa |grep mariadb<br>
yum remove mariadb-libs-5.5.64-1.el7.x86_64
配置阿里云镜像
yum install wget -y<br>wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo<br>yum makecache<br>yum update -y<br>
下载mysql包
wget http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-community-server-5.7.31-1.el7.x86_64.rpm<br>wget http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-community-client-5.7.31-1.el7.x86_64.rpm<br>wget http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-community-common-5.7.31-1.el7.x86_64.rpm<br>wget http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-community-libs-5.7.31-1.el7.x86_64.rpm<br>
安装依赖环境
yum install -y perl.x86_64<br>yum install -y libaio.x86_64<br>yum install -y net-tools.x86_64<br>
安装mysql
rpm -ivh mysql-community-common-5.7.31-1.el7.x86_64.rpm<br>rpm -ivh mysql-community-libs-5.7.31-1.el7.x86_64.rpm<br>rpm -ivh mysql-community-client-5.7.31-1.el7.x86_64.rpm<br>rpm -ivh mysql-community-server-5.7.31-1.el7.x86_64.rpm
重启mysql
service mysqld.service restart
查询默认密码
grep 'temporary password' /var/log/mysqld.log
修改远程密码
set global validate_password_policy=0;<br>set global validate_password_length=4;<br>set password=password('123456');<br>update mysql.user set Host = '%' where Host = 'localhost' and User='root';<br>flush privileges;<br>
