Linux in Big Data projects Post: 302650977

7 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

A Big Problem in LINUX Booting

i have some problem in linux booting will u please help me the problem is i was using federo core 1 on my system everything was fine i made one entry in /etc/fstab file for accessing E drive of WINDOWS XP in that i had given file system as VFAT after rebooting system it was not...

2. Shell Programming and Scripting

Big data file - sed/grep/awk?

Morning guys. Another day another question. :rolleyes: I am knocking up a script to pull some data from a file. The problem is the file is very big (up to 1 gig in size), so this solution: for results in `grep "^\ ... works, but takes ages (we're talking minutes) to run. The data is held...

3. Shell Programming and Scripting

How to cut some data from big file

How to cut data from big file my file around 30 gb I tried "head -50022172 filename > newfile.txt ,and tail -5454283 newfile.txt. It's slowy. afer that I tried sed -n '46467831,50022172p' filename > newfile.txt ,also slow Please recommend me , faster command to cut some data from...

4. Shell Programming and Scripting

Transpose columns to Rows : Big data

Hi, I did read a few posts on the subjects, tried out a few solutions, but did not solve my problem. https://www.unix.com/302121568-post11.html https://www.unix.com/shell-programming-scripting/137953-large-file-columns-into-rows-etc-4.html Please help. Problem very similar to the second link...

5. Shell Programming and Scripting

Sort a big data file

Hello, I have a big data file (160 MB) full of records with pipe(|) delimited those fields. I`m sorting the file on the first field. I'm trying to sort with "sort" command and it brings me 6 minutes. I have tried with some transformation methods in perl but it results "Out of memory". I was...

6. Shell Programming and Scripting

Extract certain columns from big data

The dataset I'm working on is about 450G, with about 7000 colums and 30,000,000 rows. I want to extract about 2000 columns from the original file to form a new file. I have the list of number of the columns I need, but don't know how to extract them. Thanks!

7. What is on Your Mind?

Big Data for System Admins

Hello, I have been working as Solaris/Linux Admin since past 8 years. I am looking options for my profile change, but there is some limitation. I worked as 24x7 support for admin, server support, high availability, etc. But been worked on developing side and scripting part. When I search for Big...

LEARN ABOUT POSIX

projects

projects(1)							   User Commands						       projects(1)

NAME

       projects - print project membership of user

SYNOPSIS

       projects [-dv] [ user]

       projects -l [projectname  [projectname...]]

DESCRIPTION

       The  projects  command prints on standard output the projects to which the invoking user or an optionally specified user belongs. Each user
       belongs to some set of projects specified in the project(4) file and possibly in the associated NIS maps and  LDAP  databases  for  project
       information.

OPTIONS

       The following options are supported:

       -d	Prints only default project.

       -l	Prints verbose info on each project projectname. If no projectnames are given, info on all projects is printed.

       -v	Prints project descriptions along with project names.

OPERANDS

       The following operand is supported:

       projectnaDisplay information for the specified project.

       user	Displays project memberships for the specified user.

EXAMPLES

       Example 1: Displaying Membership for a Specified User

       example$ projects paul
       default beatles wings
       example$ projects ringo
       default beatles
       example$ projects -d paul
       beatles

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       1	A fatal error occurred during execution.

       2	Invalid command line options were specified.

FILES

       /etc/project    Local database containing valid project definitions for this machine.

ATTRIBUTES

       See attributes(5) for a description of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Stability		     |See below.		   |
       +-----------------------------+-----------------------------+

       The invocation is Evolving. The human-readable output is Unstable.

SEE ALSO

       getdefaultproj(3PROJECT), getprojent(3PROJECT), project(4), attributes(5)

SunOS 5.10							    13 May 2004 						       projects(1)