linux kill 特定名称

ps -ef | grep java | grep -v grep | cut -c 9-15 | xargs kill -9

sourcetree避免输入密码方法

git config --global credential.helper store

linux磁盘扩容

e2fsck -f /dev/vdb1  resize2fs /dev/vdb1

druid数据库密码配置文件加密

java -cp .\\druid-1.0.31.jar com.alibaba.druid.filter.config.ConfigTools ******

mac下csv乱码解决办法

到csv目录下， 用终端执行以下命令:

iconv -f UTF8 -t GB18030 a.csv >b.csv

MySQL修改密码

ALTER USER 'root'@'localhost' IDENTIFIED BY '******';

CREATE USER 'nextcloud'@'localhost' IDENTIFIED BY '******';

CREATE DATABASE IF NOT EXISTS nextcloud CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

GRANT ALL PRIVILEGES ON nextcloud.* TO 'nextcloud'@'localhost';
FLUSH PRIVILEGES;