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Ubuntu18使用
2019-11-14 07:41:48
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## **添加8080端口进防火墙** ``` iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT iptables-save > /etc/iptables.up.rules #保存iptables规则 ``` ## **更改redis访问IP方式** ``` vi /usr/local/redis/etc/redis.conf bind 127.0.0.1 #改成bind 0.0.0.0，保存 service redis-server restart #重启生效 ``` ## **msyql添加一个用户名为db_user，密码为db_pass，授权为本机localhost对db_name数据库所有权限，命令如下** ``` 如：添加一个用户名为db_user，密码为db_pass，授权为% （%表示所有外围IP能连接）对db_name数据库所有权限，命令如下 # mysql -uroot -p MySQL [(none)]> grant all privileges on db_name.* to db_user@'%' identified by 'db_pass'; #授权语句，特别注意有分号 MySQL [(none)]> flush privileges; MySQL [(none)]> exit; #退出数据库控制台，特别注意有分号 ``` ## ## **java变量或者其它变量切换角色后没用了** ### 在~/.bashrc 末尾添加 `source /etc/profile` ``` # 更新 source /etc/profile ``` ## **ubuntu路径太长** ``` $ vi ~/.bashrc :set nu 在62行 if [ "$color_prompt " = yes ]; then PS1 ='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\W \[\033[00m\]\$ ' else PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ ' # 这里的小写w修改为大写的W $ source ~/.bashrc ```
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