/latest/quick-start.html使用已有的hadoop用户登录 1.安装JDK,配置Java环境; 2.安装Scala注意Scala和Spark的版本对应关系 sudo apt.../spark4.运行测试使用自带的Python Shell测试: cd /usr/local/spark/bin ./pyspark lines = sc.textFile("/usr scala
【经验分享】Ubuntu server下使用gcp出现“dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11”问题的解决方法 gcp是增强版的cp实现,最大的优势在于它可以显示实时的速度和整体的进度。关于gcp的详细介绍见这里https://linux.cn...
If you are in a shared hosting environment, thesudo,aptandgcccommands will be disabled by default. Try to issue thegcc --versioncommand in your terminal. shell gcc --version If you get the error"Permission denied", then you havegccinstalled but you don't have the necessary permissions to...
【经验分享】Apache2如何设置文件的Content-Type值? 例如,我想给所有的*.pem证书文件,都设置Content-Type为"pplication/x-x509-ca-cert"。 经查,可以使用ForceType指令,示例如下: <FilesMatch "\.pem$"> ForceType application/x-x509-ca-cert </FilesMatch> 特别说明:该文章为鲲鹏数据原创内容...