You can use the hadoop command line utility to access the file system. You
can specify the namenode to use via the hadoop fs -fs property.
$ hadoop fs --help
-help: Unknown command
Usage: java FsShell
[-ls <path>]
[-lsr <path>]
[-df [<path>]]
[-du <path>]
[-dus <path>]
[-count[-q] <path>]
[-mv <src> <dst>]
[-cp <src> <dst>]
[-rm [-skipTrash] <path>]
[-rmr [-skipTrash] <path>]
[-expunge]
[-put <localsrc> ... <dst>]
[-copyFromLocal <localsrc> ... <dst>]
[-moveFromLocal <localsrc> ... <dst>]
[-get [-ignoreCrc] [-crc] <src> <localdst>]
[-getmerge <src> <localdst> [addnl]]
[-cat <src>]
[-text <src>]
[-copyToLocal [-ignoreCrc] [-crc] <src> <localdst>]
[-moveToLocal [-crc] <src> <localdst>]
[-mkdir <path>]
[-setrep [-R] [-w] <rep> <path/file>]
[-touchz <path>]
[-test -[ezd] <path>]
[-stat [format] <path>]
[-tail [-f] <file>]
[-chmod [-R] <MODE[,MODE]... | OCTALMODE> PATH...]
[-chown [-R] [OWNER][:[GROUP]] PATH...]
[-chgrp [-R] GROUP PATH...]
[-help [cmd]]
Generic options supported are
-conf <configuration file> specify an application configuration file
-D <property=value> use value for given property
-fs <local|namenode:port> specify a namenode
-jt <local|jobtracker:port> specify a job tracker
-files <comma separated list of files> specify comma separated files to
be copied to the map reduce cluster
-libjars <comma separated list of jars> specify comma separated jar files
to include in the classpath.
-archives <comma separated list of archives> specify comma separated
archives to be unarchived on the compute machines.
The general command line syntax is
bin/hadoop command [genericOptions] [commandOptions]
Here's more details with examples
http://hadoop.apache.org/common/docs/r0.18.3/hdfs_shell.html
Alternatively you can look into using Fuse to mount dfs as a standard file
system
http://wiki.apache.org/hadoop/MountableHDFS
On 10/17/10 10:06 PM, "[email protected]"
<[email protected]> wrote:
> From: siddharth raghuvanshi <[email protected]>
> Date: Sat, 16 Oct 2010 21:46:49 +0530
> To: <[email protected]>
> Subject: Unable to access hdfs file system from command terminal
>
> Hi,
>
> Can I access the hadoop filesystem from the terminal like
> hdfs://cs-sy-230.cse.iitkgp.ernet.in:54310/user/user/blog-hadoop
>
> It should be noted that I am able to open the following link using firefox
> web browser
> http://cs-sy-230.cse.iitkgp.ernet.in:50075/browseDirectory.jsp?dir=%2Fuser%2Fu
> ser%2Fblog-hadoop&namenodeInfoPort=50070
>
> Regards
> Siddharth
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