xerjava的专栏

1. ssh-keygen -t rsa #Press enter for each line 2. cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 3. chmod og-wx ~/.ssh/authorized_keys

1、安装Hadoop：brew install Hadoop 2、ssh 免密登陆：见上篇博客 3、修改Hadoop配置文件： 3.1 hadoop-env.sh文件 进入安装目录cd /usr/local/Cellar/hadoop/2.8.0/libexec/etc/hadoop，找到并打开 hadoop-env.sh 文件，将 export HADOOP_OPTS="$HADOOP_...

  卸载MySQL（dmg安装） 命令： sudo rm /usr/local/mysql sudo rm -rf /usr/local/mysql* sudo rm -rf /Library/StartupItems/MySQLCOM sudo rm -rf /Library/PreferencePanes/My* sudo vim /etc/hostconfig (Vim指令，复制上述命...