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[root@localhost ~]# echo $LANG
zh_CN.UTF-8
[root@localhost ~]# date "+%x %X"
2020年04月02日 17时08分29秒
[root@localhost ~]# env LANG=en_US.UTF-8 date "+%x %X"
04/02/2020 05:08:32 PM
# 不影响当前LANG环境变量
[root@localhost ~]# echo $LANG
zh_CN.UTF-8

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# 配置数据库信息
spring.datasource.url=jdbc:mysql://localhost:3306/test1
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

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# 查看官方文档 获取 [用户名] [密码] 并配置环境变量

HOST=https://dav.jianguoyun.com/dav/
USER=<用户名>
SECRET=<密码>
MOUNT_PATH=$HOME/<保存路径>
# 1. 安装davfs2
sudo apt install -y davfs2

# /sbin/mount.davfs: mounting failed; the server does not support WebDAV
# 直接修改 /etc/davfs2/davfs2.conf 配置文件解注释并改为：ignore_dav_header 1
echo "ignore_dav_header 1" | sudo tee -a /etc/davfs2/davfs2.conf

# 2. 配置密码文件 修改文件权限
mkdir ~/.davfs2
echo "$HOST $USER $SECRET" > ~/.davfs2/secrets
chmod 0600 ~/.davfs2/secrets

# 3. 配置fstab
echo "$HOST $MOUNT_PATH davfs user,noauto,uid=`whoami`,file_mode=600,dir_mode=700 0 1" | sudo tee -a /etc/fstab

# 4. 创建挂载目录,添加用户组到davfs2
mkdir $MOUNT_PATH
sudo usermod -a -G davfs2 `whoami`

# 退出,重新登录使新加的组生效

# 5. 创建文件夹, 挂载 环境变量失效需要重新设置,或者不用变量
mount $MOUNT_PATH

# 6. 取消挂载
# umount $MOUNT_PATH

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yum groupinstall "Development tools"
yum install https://centos7.iuscommunity.org/ius-release.rpm
yum install dkms
yum install kernel-devel
reboot

# 安装centos扩展包
# 地址: https://fedoraproject.org/wiki/EPEL
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

# 下载VirtualBox rpm包
# 地址: https://www.virtualbox.org/wiki/Linux_Downloads
yum install -y VirtualBox-6.1-6.1.4_136177_el7-1.x86_64.rpm
 

# 如果kernel-headers版本不对 则下载和kernel版本一样的版本
# 下载地址: https://linuxsoft.cern.ch/cern/centos/7/updates/x86_64/repoview/kernel-devel.html
yum install -y kernel-devel-3.10.0-957.10.1.el7.x86_64.rpm

# 配置vbox
sudo /sbin/vboxconfig

# 验证安装
VBoxManage --version