close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_core.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 4 and Version 5 of Hinet130923/Lab3


Ignore:
Timestamp:
Sep 23, 2013, 10:59:34 AM (12 years ago)
Author:
jazz
Comment:

--

Legend:

Unmodified
Added
Removed
Modified

  • Hinet130923/Lab3

    v4 v5  
    2525}}}
    2626
     27 * 觀察開了哪些 port,綁在哪個 IP 位址
     28{{{
     29### 取得 NameNode 的 java process id
     30user@node1:~/hadoop_labs$ NN=$(jps | grep NameNode | awk '{ print $1 }')
     31user@node1:~/hadoop_labs$ echo $NN
     32### 查詢 NameNode 開了哪些 port
     33user@node1:~/hadoop_labs$ netstat -nap | grep $NN | grep ":" | nl
     34}}}
     35
     36== 實作習題 ==
     37
    2738 <問題 1> 當您下 jps 指令之後,除了 jps 以外,看到幾個 java process ?
    2839{{{
    … …  
    3344    (D) 3
    3445    (E) 4
    35 }}}
    36 
    37  * 觀察開了哪些 port,綁在哪個 IP 位址
    38 {{{
    39 ### 取得 NameNode 的 java process id
    40 user@node1:~/hadoop_labs$ NN=$(jps | grep NameNode | awk '{ print $1 }')
    41 user@node1:~/hadoop_labs$ echo $NN
    42 ### 查詢 NameNode 開了哪些 port
    43 user@node1:~/hadoop_labs$ netstat -nap | grep $NN | grep ":" | nl
    4446}}}
    4547