Search Results

Search found 4834 results on 194 pages for 'dr unix'.

Page 20/194 | < Previous Page | 16 17 18 19 20 21 22 23 24 25 26 27 | Next Page >

C Programming Language and UNIX Pioneer Passes Away

According to a statement given to the New York Times by Ritchie's brother Bill, Dennis Ritchie was living alone at his home in Berkeley Heights, New Jersey, prior to his death. Richie's health had reportedly deteriorated, and his last years were made difficult by the after effects of treatments for prostate cancer and heart disease. In addition…

Read the article
Parsing stdout with custom format or standard format?

- by linquize

To integrate with other executables, a executable may launch another executable and capture its output from stdout. But most programs writes the output message to stdout in custom format and usually in human readable format. So it requires the system integrator to write a function to parse the output, which is considered trouble and the parser…

Read the article
Need some advice on CLI design, I need to provide simple but powerful command line options

- by howtechstuffworks

I am writing a utility that runs on RHEL5 command line. I need my command line options to be simple but powerful. I looked at the various UNIX utilities to get an idea of how simple command line utilities have to be. Do you guys suggest any documents/links that talk about command line etiquette? I am modelling my utility on top of LVM (that's…

Read the article
10 Tools To Add Some Spice To Your UNIX Shell Scripts

<b>NixCraft:</b> "There are some misconceptions that shell scripts are only for a CLI environment. You can easily use various tools to write GUI and/or network (socket) scripts under KDE or Gnome desktops."

Read the article
Nginx/puma rhel unix socket permission error?

- by Kevin Brown

When I try to start my puma server, I get the error: /.rvm/gems/ruby-2.1.1/gems/puma-2.9.0/lib/puma/binder.rb:275:in `initialize': Permission denied - connect(2) for "/var/run/nvhbase.sock" (Errno::EACCES) My sites-available/nvhbase.conf file: upstream nvhbase { server unix:/var/run/nvhbase.sock; } server { listen 80 default_server;…

Read the article
Symbolic link modification for HP unix

- by kalpesh

Hi David Zaslavsky, Recently i was working on modifying the Symbolic links ... for a particular files.. while searching on internet i saw your post ... I am trying to use this script which you had posted .. find /home/user/public_html/qa/ -type l \ -lname '/home/user/public_html/dev/*' -printf \ 'ln -nsf $(readlink %p|sed s/dev/qa/)…

Read the article
Unix: how to have delimiter as "\t&\t" in paste-tool?

- by HH

Results are in clean files. I want to get them to latex-table format with paste. So how can I have a delimiter "\t&\t"? or is there some Latex tool? Pasting Columnwise to have \t&\t delimiter $ paste -d'\t\&\t' d d_powered_-2 rad 5.0 400.0&384.5 7.5 204.1&184.5 10.0 100.0&115.5 15.0 …

Read the article
UNIX Parse HTML Page Display Contents of a Tag - One Liner?

- by NJTechie

I have an HTML file and I am interested in the data enclosed by <pre> </pre> tags. Is there a one-liner that can do achieve this? Sample file : <html> <title> Hello There! </title> <body> <pre> John Working Kathy Working Mary Working Kim N/A </pre> </body>…

Read the article
(Unix/Linux) How to execute different commands with same name?

- by colorfulgrayscale

I have a two seperate files on my computer, which execfile /usr/local/bin/ /usr/bin/ so, i have two files with the same name in two different directories. How can I specify exactly which command to run? Thanks.

Read the article
How can I kill a list of processes on Unix using grep?

- by codeninja

I want to kill all the processes that have a certain name pattern ps -A | grep php* and then I want to pass the PID to the kill command how do i do that?

Read the article
How do I write to a file and print to a terminal cuncurrently in Unix?

- by bias

I have a little bash function to log my Macports outputs to a file (since installs often spew little tidbits that are easy to lose in terminal noise), then I just cat the file to the terminal: function porti { command sudo port install $@ >> $1.log 2>&1; cat $1.log } Is there a way to do this…

Read the article
How do I email all users and their relevant domains in a UNIX system?

- by Marc Behiels

I need to mail all users on my shared hosting platform. I need to be able to do this on a regular basis. Any thoughts?

Read the article
difference betwen who and finger command in Unix/Linux? [closed]

- by trojanwarrior3000

Both commands look like have same purpose but their output is different. what is the difference?

Read the article
Unix: millionth number in the serie 2 3 4 6 9 13 19 28 42 63 ... ?

- by HH

It takes about minute to achieve 3000 in my comp but I need to know the millionth number in the serie. The definition is recursive so I cannot see any shortcuts except to calculate everything before the millionth number. How can you fast calculate millionth number in the serie? Serie Def n_{i+1} = \floor{ 3/2…

Read the article
How do you assign the value of a parameter to a variable in UNIX?

- by codeninja

#!/bin/bash if [ ! $1 ] then echo "no param" else set FAV_COLOR=$1 echo "My fav color is ${FAV_COLOR}" fi This is not working how i expected: >favcol.sh blue My fav color is FAV_COLOR=blue any thoughts?

Read the article
unix How to compare two files and get results to third file?

- by Martin Mocik

I have two files 1st file is like this: www.example.com www.domain.com www.otherexample.com www.other-domain.com www.other-example.com www.exa-ample.com 2nd file is like this (numbers after ;;; are between 0-10): www.example.com;;;2 www.domain.com;;;5 www.other-domain;;;0 …

Read the article
Easiest way to get current unix timestamp via XSL

- by Andrew G. Johnson

What is the easiest way to get current unix timestamp via XSL

Read the article
UNIX FIFO: How to allow only one writer/reader pair to use a FIFO?

- by Max Krug

Hi! I've written two programs: the first, the "writer", creates a FIFO and writes data into it. The second one, the "reader" runs in background and looks for data in the FIFO. Once data is there, the reader reads it out. If I start e.g. two writers and two readers, they all can write/read…

Read the article
How can I wrap an executable on UNIX (SunOS) so that it is never run more than once at the same time

- by user332815

I have an executable (no source) that I need to wrap, to make sure that it is not called more than once at a time. I immediately think of some sort of queue wrapper, but how do I actually make it so that my wrapper is called instead of the executable itself? Is there a better way to do…

Read the article
How do I daemonize an arbitrary script in unix?

- by dreeves

I'd like a daemonizer that can turn an arbitrary, generic script or command into a daemon. There are two common cases I'd like to deal with: I have a script that should run forever. If it ever dies (or on reboot), restart it. Don't let there ever be two copies running at once…

Read the article
How do I extract lines from a file using their line number on unix?

- by monkeyking

Using sed or similar how would you extract lines from a file? If I wanted lines 1,5,1010,20503 from a file, how would I get these 4 lines? What if I have a fairly large number of lines I need to extract? If I had a file with 100 lines, each representing a line number that I…

Read the article
how to escape slashes in perl command in unix script?

- by understack

end_date=$(date +"%m/%d/%Y") /usr/bin/perl -pi -e "s/_end_date_/${end_date}/g" filename I want to replace string '_end_date_' with current date. Since current date has slashes in it(yes I want the slashes), I need to escape them. How can I do this? I've tried several ways…

Read the article
How can I set a default value when incorrect/invalid input is entered in Unix?

- by user2889968

i want to set the value of inputLineNumber to 20. I tried checking if no value is given by user by [[-z "$inputLineNumber"]] and then setting the value by inputLineNumber=20. The code seems to be working correct when no value is given but I also receive ./t.sh: [-z: not…

Read the article
C Minishell Command Expansion Printing Gibberish

- by Optimus_Pwn

I'm writing a unix minishell in C, and am at the point where I'm adding command expansion. What I mean by this is that I can nest commands in other commands, for example: $> echo hello $(echo world! ... $(echo and stuff)) hello world! ... and stuff I think I have…

Read the article
Pairing Sony bluetooth headphones with my PC, under Windows 7

- by jonathanconway

Hi there, I have the Sony DR-BT50 wireless headphones. I've been able to successfully pair them to my iPhone and play music through them, but no such luck with my PC. I can add it to the bluetooth devices, but when the "Driver Software Installation" screen comes…

Read the article

< Previous Page | 16 17 18 19 20 21 22 23 24 25 26 27 | Next Page >