Scala环境搭建_scala-intellij-bin-CSDN博客网友收藏

Scala环境搭建_scala-intellij-bin-CSDN博客

文章浏览阅读439次。Scala环境搭建1)安装步骤(1)首先确保 JDK1.8 安装成功(2)下载对应的 Scala 安装文件 scala-2.12.11.zip(3)解压 scala-2.12.11.zip,我这里解压到 D:\Tools(4)配置 Scala 的环境变量注意 1:解压路径不能有任何中文......
阅读全文
shell 切换用户_su -s /bin/sh-CSDN博客网友收藏

shell 切换用户_su -s /bin/sh-CSDN博客

文章浏览阅读1.9k次。# For SELinux we need to use ‘runuser‘ not ‘su‘if [ -x "/sbin/runuser" ]; then SU="/sbin/runuser -s /bin/sh"else SU="/bin/su -s /bin/sh"fi如果想要切换用户并且执行一些组件的shell应该使用以下的命令/bi..._su -......
阅读全文
Spark安装初次启动时:failed to launch: nice -n 0 /soft/spark/bin/spark-class org.apache.spark.deploy..._failed to launch: nice -n 0 /opt/spark/bin/spark-c-CSDN博客网友收藏

Spark安装初次启动时:failed to launch: nice -n 0 /soft/spark/bin/spark-class org.apache.spark.deploy..._failed to launch: nice -n 0 /opt/spark/bin/spark-c-CSDN博客

文章浏览阅读7.1k次,点赞5次,收藏6次。目录1.节点访问logs目录时 有 Permission denied 的警告2.failed to launch: nice -n 0 /soft/spark/bin/spark-class org.apache.spark.deploy.worker.Worker...3.ERROR Worker: Failed to create work directory /soft/sp..._failed to launch: nice ......
阅读全文