crate：
下载： https://crate.io/download/thank-you/?download=tar
crash：
下载： https://crate.io/docs/clients/crash/en/latest/getting-started.html
https://crate.io/docs/crate/reference/en/latest/admin/user-management.html#create-user
卸载：
yum list installed
yum info installed
yum remove name
rpm -qa | grep name
rpm -e name
建立crate用户后
useradd crate
安装方法一： (官方方法)
https://crate.io/docs/crate/getting-started/en/latest/install-run/special/linux.html
su crate bash -c "$(curl -L install.crate.io)"
安装方法二：
建立crate用户：
useradd crate
创建密码：
passwd crate
给crate用户赋予sudo权限：
vim /etc/sudoers
crate ALL=(ALL) ALL
进入crate用户：
su crate
sudo yum install epel-release -y
sudo yum update -y
sudo shutdown -r now
启动后进入crate
su crate
sudo rpm --import https://cdn.crate.io/downloads/yum/RPM-GPG-KEY-crate
sudo rpm -Uvh https://cdn.crate.io/downloads/yum/7/noarch/crate-release-7.0-1.noarch.rpm
sudo yum install crate -y
sudo systemctl start crate.service
sudo systemctl enable crate.service
path.repo: /nfs/crate,/nfs/crate/test-a,/crate-copy #如需要做备份nfs共享目录，则添加此配置
注：
[crate@games bin]$ ./crate
ERROR: Couldn't read log4j2.properties configuration file.
如有此报错，检查crate是否已经开启
ps -aux | grep crate
修改配置文件：
vim /etc/crate/crate.yml
license.enterprise: false #不以企业版启动
#auth.host_based.enabled: true #注销登陆验证
network.bind_host:
network.publish_host:
network.host:
transport.tcp.port:
http.port: 4200
重启crate
systemctl status crate
systemctl restart crate
下载crash，
放到/usr/local/，
cd /usr/local
python2.6（2.7以下）
用0.16.2版本 curl -o crash https://cdn.crate.io/downloads/releases/crash_standalone_0.16.2
添加执行权限：
chmod +x crash
启动crash
./crash
连接crate
cr> \c 192.168.x.x:4200