[UNIX] where is, locate command

3個非常有用的指令

1. whereis 找到程式安裝的目錄

語法如下:

whereis <關鍵字>

例如:

whereis java

執行結果範例如下:

[vl77@STIMCAS01 dse-2.1]$ whereis java
java: /usr/bin/java

 

2. updatedb

http://linux.vbird.org/linux_basic/0220filemanager.php#locate

手動更新locate 資料庫

 

3. locate

語法如下:

locate <關鍵字>

例如:

locate Cassandra

執行結果範例如下:

[vl77@STIMCAS01 dse-2.1]$ locate Cassandra
/usr/lib/python2.6/site-packages/cql/cassandra/Cassandra.py
/usr/lib/python2.6/site-packages/cql/cassandra/Cassandra.pyc
/usr/lib/python2.6/site-packages/cql/cassandra/Cassandra.pyo
/usr/local/dse-2.1/interface/gen-py/cassandra/Cassandra-remote
/usr/local/dse-2.1/interface/gen-py/cassandra/Cassandra.py
/usr/local/dse-2.1/resources/cassandra/pylib/cql/cassandra/Cassandra.py
/usr/local/opscenter-2.1/lib/py/telephus/cassandra/Cassandra.py
/usr/local/opscenter-2.1/lib/py/telephus/cassandra/Cassandra.pyc
/usr/local/opscenter-2.1/src/lib/python2.5/site-packages/opscenterd/CassandraService.pyc
/usr/local/opscenter-2.1/src/lib/python2.5/site-packages/opscenterd/events/plugins/CassandraStore.pyc
/usr/local/opscenter-2.1/src/lib/python2.5/site-packages/opscenterd/metricstore/CassandraStore.pyc
/usr/local/opscenter-2.1/src/lib/python2.6/site-packages/opscenterd/CassandraService.pyc
/usr/local/opscenter-2.1/src/lib/python2.6/site-packages/opscenterd/events/plugins/CassandraStore.pyc
/usr/local/opscenter-2.1/src/lib/python2.6/site-packages/opscenterd/metricstore/CassandraStore.pyc
/usr/local/opscenter-2.1/src/lib/python2.7/site-packages/opscenterd/CassandraService.pyc
/usr/local/opscenter-2.1/src/lib/python2.7/site-packages/opscenterd/events/plugins/CassandraStore.pyc
/usr/local/opscenter-2.1/src/lib/python2.7/site-packages/opscenterd/metricstore/CassandraStore.pyc