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[hadoop@iZ94cjwg86gZ ~]$ uname -a
Linux iZ94cjwg86gZ 2.6.32-220.23.2.al.ali1.1.alios6.x86_64 #1 SMP Sun Jan 4 15:01:53 CST 2015 x86_64 x86_64 x86_64 GNU/Linux
[hadoop@iZ94cjwg86gZ ~]$ java -version
java version "1.6.0_22"
OpenJDK Runtime Environment (IcedTea6 1.10.4) (rhel-1.41.1.10.4.5.alios6-x86_64)
OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode)
[hadoop@iZ94cjwg86gZ ~]$ python --version
Python 2.6.6
[hadoop@iZ94cjwg86gZ ~]$
Hey, 兄弟,真不赖,什么Java/Python安装起来也不轻松。不用操心,太好了。
检查下, Java中的JPS工具是否有,后面会依赖这个工具。这个时候,你会纳闷,咦,怎么检查呢,Java目录在哪里呢?
这个时候,你会发现两个命令可以帮你,一个是find, 当然,另外一个就是rpm。这里就不介绍这些命令了。(如果有问题,大家搜索下就了解了)
rpm -qa|grep java
[hadoop@iZ94cjwg86gZ ~]$ rpm -qa|grep java
libvirt-java-0.4.7-1.3.alios6.noarch
java-1.6.0-openjdk-devel-1.6.0.0-1.41.1.10.4.5.alios6.x86_64
libvirt-java-devel-0.4.7-1.3.alios6.noarch
tzdata-java-2011l-4.4.alios6.noarch
java-1.6.0-openjdk-1.6.0.0-1.41.1.10.4.5.alios6.x86_64
[hadoop@iZ94cjwg86gZ ~]$ rpm -ql java-1.6.0-openjdk-1.6.0.0-1.41.1.10.4.5.alios6.x86_64|grep bin
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/java
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/keytool
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/orbd
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/pack200
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/policytool
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/rmid
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/rmiregistry
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/servertool
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/tnameserv
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin/unpack200
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/libinstrument.so
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/zi/Asia/Harbin
哦, maybe /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/就是java的主目录啦~~~~~~~~~
[hadoop@iZ94cjwg86gZ bin]$ pwd
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/bin
[hadoop@iZ94cjwg86gZ bin]$ ls jps
jps
[hadoop@iZ94cjwg86gZ bin]$
[hadoop@iZ94cjwg86gZ bin]$ rpm -qa|grep rsync
rsync-3.0.6-5.4.alios6.1.x86_64
[hadoop@iZ94cjwg86gZ bin]$
Fortunately, Java环境, Python环境, rsync 都是ok的。
另外,就是集群管理,毫无疑问, PSSH需要有一个的,不然, 一台机器一台机器操作, 没有人愿意。
安装setuptools,即easy_install。
wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz#md5=7df2a529a074f613b509fb44feefe74e
tar zxf setuptools-0.6c11.tar.gz
cd setuptools-0.6c11 & python setup.py install
然后, easy_install pssh, 就这样,基础工具就这样准备好啦。
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