1.解压到指定目录
tar -zxvf /home/images.tar.gz -C /specific dir
2.yum安装
安装lrzsx
yum -y install lrzsz
3.远程拷贝
scp [参数] [原路径] [目标路径]
scp local_file [email protected]_ip:remote_file
4.安装 example.rpm 包并在安装过程中显示正在安装的文件信息及安装进度
rpm -ivh example.rpm
5.需要卸载的安装包
rpm -e
6.RPM 查询操作
rpm -q
附加查询命令:
a 查询所有已经安装的包以下两个附加命令用于查询安装包的信息;
eg: rpm -qa | grep tomcat8 查看tomcat8是否被安装;
mysql相关
1.登录
mysql -u root -p
2.远程授权登录
给特定IP授权
GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘192.168.1.100‘ IDENTIFIED BY ‘yourpassword‘ WITH GRANT OPTION;
给任意IP授权
GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘yourpassword‘ WITH GRANT OPTION;
3.显示编码
show variables like ‘%character%‘;
4.修改字符集为utf8(修改/etc/my.cnf)
[mysqld]
character_set_server=utf8
init_connect=‘SET NAMES utf8‘
5.重启MySQL服务
systemctl restart mysqld
6.修改密码
ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘yourpassword‘;
或
set password for ‘root‘@‘localhost‘=password(‘yourpassword‘);
防火墙相关(centos7)
1.启动
systemctl start firewalld
2.停止
systemctl stop firewalld
3.禁用
systemctl disable firewalld
4.打开端口
打开3306端口
firewall-cmd --add-port=3306/tcp --permanent
docker相关
1.创建网络
创建网络docker_gwbridge
docker network create --subnet 172.21.0.0/16 --gateway 172.21.0.1 --opt com.docker.network.bridge.name=docker_gwbridge --opt com.docker.network.bridge.enable_icc=false docker_gwbridge
或
创建网络 yournetname
docker network create yournetname --subnet 172.21.0.0/16 --gateway 172.21.0.1