PATH (all upper case) is the name of an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are searched for.

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Recently installed applications missing from $PATH

When I install apps using apt-get or NVM or NPM on Ubuntu, I can type the command and it works. Then I log out of the shell and log back in. Now none of the things I installed work when I ask for ...
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1answer
890 views

How is the path to search for 'man' pages set?

I'm puzzled by how the path used for finding man pages is set. The "right thing" seems to happen magically. For example, if change my PATH from ...
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3answers
408 views

Why can't I call this program using its full path?

I am trying to build a command line wrapper in Python 3 for an exiting command line tool called spooky and I am having a hard time understanding some strange behavior. If I type spooky on the command ...
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2answers
175 views

Basic steps to develop python API in Unix environment

I am developing an API in Unix environment for virtual machines. Most of the modules are developed in python. I have few questions on this. I have the file extension as abc.py. I would like to make ...
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3k views

Why do 'ssh host echo $PATH' and printing the $PATH after ssh'ing into the machine give different results?

On a particular host, when I ssh into the machine and enter echo $PATH I get /home/wxy/bin64:/home/wxy/bin:/usr/kerberos/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/bin:/usr/bin and if I ...
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1answer
65 views

Script not getting executed as per expectation

I have two Perl scripts at a predefined location in Unix. This predefined location is set in path variable ($PATH). Now when i try to run first script (from any location) the script runs successfully ...
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2answers
283 views

open a file using CDPATH and symlink

To quickly move around, I added a path to CDPATH that contains symlinks to different locations. I did this by adding the following line to .bashrc: export CDPATH=~/symlinks When working with ...
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2answers
243 views

Finding program name by wildcard pattern

I am trying to write a script that will attempt to find if a certain program is installed. Lets say that the program is called, myprog. The problem is that the program can be named in different ...
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2answers
2k views

path_helper and zsh

I read that Apple, instead of jamming more and more PATH variable variations to the end of shell profile file, created path_helper binary so that it could expand PATH variable automatically by reading ...
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1answer
3k views

Why I got error: `error while loading shared libraries: libmpich.so.3`?

I installed mpich-3.0.4 not in a default location. I installed it based on the mpich installer's guidance. However when I try to run: mpiexec -n 4 -f machinefile ./mpich-3.0.4/examples/cpi It ...
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1answer
2k views

Find location of sourced shell script

Is it possible that a sourced shell script knows its location? I've read determining path to sourced shell script but the answers focus on bash and tcsh and fail if a POSIX shell is used. $0 is also ...
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1answer
824 views

How to set the path OSX applications use

I'm running Mountain Lion 10.8.4, and have my environment all customized through ~/.profile so that when I run GUI apps like Sublime Text or Eclipse from the command line open /Applications/Sublime\ ...
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2answers
7k views

How does the path enviroment variable work in linux?

I'm confused how does the enviroment path work under linux, I'm a Linux Mint 15 user. First, I read about editing the /home/.bashrc file and doing a PATH=$PATH:/directory, but I also knew about ...
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2answers
3k views

How to fix bash looking for a program in the wrong dir (Issues setting up NPM on Ubuntu 11.10)

This time I ran the "trusting" install script curl http://npmjs.org/install.sh | sudo sh from the dir /. $ which npm /usr/local/bin/npm $ npm bash: /home/steven/local/bin/npm: No such file or ...
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1answer
67 views

Bash ignoring my PATH and it's cache

I have installed pip in my ~/.local/bin/ directory. Here are the outputs of which, type and $PATH $ type pip pip is hashed (/home/bcc/pedros/.local/bin/pip) $ which pip /usr/bin/pip $ echo $PATH ...
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1answer
2k views

ps command not giving output in home directory

I am logging into a solaris server, switching to bash, then switching to another user "sruser" and switching to bash. /home/batch/sruser/ is the home directory of the user "sruser". The issue is ps ...
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3answers
77 views

When to use XPG* version of a command?

I occasionally do work on an older Solaris machine whose default version of grep is non-POSIX-compliant. This causes problems in my rc files because the default grep on the machine doesn't support ...
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1answer
454 views

How to use libraries installed by nix at run-time?

I'm using nix in "single-user mode" in a system where I'm not the root (see below for a description of my nix setup). I wanted to quickly run one of my binaries which is dynamically linked with a ...
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1answer
46 views

Puzzle over sudo and paths

I have a couple of programmes which are in /usr/local/bin which require root privileges to run. If I run sudo my_prog I get sudo: my_prog: command not found I have to write sudo ...
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4answers
2k views

Bash script to output path to USB flash memory stick

How would I return (output) the path to any USB flash memory stick(s) connected to the local computer using bash (Ubuntu and Linux Mint)? Background: I'm providing users with an automated backup ...
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1answer
3k views

Crontab + Ruby on Rails: /usr/bin/env: ruby: No such file or directory

I have a ruby on rails app and I need to schedule a crontab for a rake task. */5 * * * * RAILS_ENV=production /usr/local/bin/rake -f /usr/local/www/mysite-web-production/current/Rakefile ...
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3answers
475 views

Should I use symlinks in /usr/bin or use the PATH variable instead?

I was looking to download some tool and it said to update your PATH variable, but I thought /usr/bin was the "standard".
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3answers
1k views

Preventing duplicate entried in PATH (.cshrc)

I have little experience with Linux, so I will appreciate some help. I need to prepend directories to the path variable in my .cshrc file and I want to make sure that the entries are not repeated when ...
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1answer
115 views

Access PgSQL executables from anywhere

I've installed PgSQL 9.1.2 from PostgreSQL repositories and all it's fine except that I can't execute command from every path in my OS. For example suppose that I want to run the command pg_dump: for ...
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2answers
2k views

$PATH not modified inside LXDE on Raspbian

I have a bin directory in home/pi. This is added to my $PATH when I login (by .profile), but when I go into LXDE and use LXTerminal my bin directory is no longer added to $PATH.
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144 views

$PATH duplication issues

If I do echo $PATH I get the following: ...
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2answers
574 views

Make problem with includes [closed]

I am installing imagick-v3.1.0RC2 package on CentOS 5.5. I have ImageMagick 6.7.9-9 installed as well and have a problem on the make step. Problem is that its cannot find included file: ...
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5answers
11k views

Removing a directory from PATH

I'm trying to compile wxWidgets using MingW, and I have cygwin in my path, which seems to conflict. So I would like to remove /d/Programme/cygwin/bin from the PATH variable and I wonder if there is ...
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4answers
152 views

find command: how to ignore pathname?

I have to find some type of files in a directory and it's subdirectories and I only have to print out the filenames. So here's the main command: find -type f -name "*.c" Now, how could I cut the ...
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2answers
483 views

Select default binary to use

This is the output from which -a autoconf: /usr/bin/autoconf /usr/bin/autoconf /home/amumu/root/bin/autoconf I want to use autoconf in my home directory since it's newer version compare to the ...
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2answers
9k views

Multiple path environment variable setup lines with bash

I have very long export PATH=A:B:C .... Can I make a multiple lines to have more organized one as follows? export PATH = A: B: C:
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1answer
707 views

Why is rsync not found?

rsync -avP /home/user/.profile hpux3:/home/user/.profile bash: rsync: command not found If I did ssh to hpux3 machine rsync version 3.1.1 protocol version 31 Copyright (C) 1996-2014 by Andrew ...
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4answers
680 views

Make WGET available without path

I have ready bash script, which extensively uses wget command. Unfortunately wget is not available at standard path, but available at: /usr/custom/bin/wget I was able to make it usable w/o path in ...
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4answers
816 views

Update Linux Path permanently [duplicate]

Possible Duplicate: How do I set a user environment variable? (permanently, not session) How can I permanently modify the PATH variable in Ubuntu? Is it possible to do it without modifying ...
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1answer
329 views

difference between /var/www and /usr/local

I don't understand the difference between /var/www path and /usr/local path on linux command because for instance at the moment I can see my red5 server folder is in the latter path and within that ...
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2answers
185 views

Change PATH in Debian 7.1.0 for JAVA

I would like to change the PATH of my Debian 7.1.0 system to link the java version I want. If I insert into the terminal: java -version I get: java version "1.6.0_27" OpenJDK Runtime Environment ...
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1answer
2k views

temporary setting the path in an “init” file

I have an "init" file that reads #!/bin/sh export PATH=$PATH:/home/me/morph_numsys/software/bin by which I'd just like to set the path to that folder for only this bash session. However, when I ...
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3answers
6k views

bash: iptables: command not found

How do I fix the iptables: command not found problem that happened to Debian 7.6? batman@gotham:~$ uname -a Linux gotham 3.14-0.bpo.2-amd64 #1 SMP Debian 3.14.13-2~bpo70+1 (2014-07-31) x86_64 ...
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2answers
27k views

How to set environment variable JAVA_HOME that will be saved on exit? [duplicate]

Possible Duplicate: How do I set a user environment variable? (permanently, not session) I use Suse. First was installed jdk7, so JAVA_HOME remains like: /usr/java/jdk1.7.0_05/ After I ...
2
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2answers
107 views

Use alternatives or adding to PATH?

I'm a bit confused about the proper way to make a script globally available from the terminal, like a command. There are two ways, using the alternatives utility, basically making a symlink to ...
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2answers
15k views

Setting PATH vs. exporting PATH in ~/.bash_profile [duplicate]

What's the difference and which is better to use when customizing my bash profile? Documentation on the export command is scarce, as it's a builtin cmd. Excerpt from version 1 of my ~/.bash_profile: ...
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4answers
852 views

Add multiple subdirectories under the same parent directory to PATH

I have installed some tools and put it under $HOME/tools/ and each tool has its own /bin directory that contains the executable program. I now have the path to each individual /bin in my $HOME/.bashrc ...
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4answers
5k views

How can I find out where the firefox bin is?

I am trying to add Firefox to my PATH like in this tutorial. I have Firefox in the Applications folder of my GUI on my mac book air. I am familiar with adding locations to my path. But I don't know ...
2
votes
1answer
102 views

About executing shell script

Suppose I have a shell script file foo.sh. I can do chmod + x foo.sh and change it into an executable file. In Kernighan-Pike: Unix Programming Environment (UP) they show that after this typing ...
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1answer
238 views

$PATH environment variable does not seem to be recognized

I've made a fresh install of Debian Wheezy, and installed zsh to it. Few days after, I've done a vanilla installation of TeX Live 2014, so I added the necessary binary paths to my $PATH. Now I started ...
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1answer
1k views

find does not work on symlinked path?

If I run this command find $HOME/MySymlinkedPath -name "run*.sh" nothing happens, and gives no error ('MySymlinkedPath' is a symlinked path to another hard drive other then my $HOME one). These also ...
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2answers
196 views

How do you add a bash script to your PATH variable using symlinks?

I run a gaming server called PocketMine. So basically I have a folder in my home directory that has a bash script to run the server: ~/PocketMine/start.sh Everytime I want to run the server I either ...
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votes
1answer
94 views

let script find path of itself

I want to have a bash-script discover its own path. The background is that I have a script called process_scanned_text.sh, which itself uses the script curves. I put curves in the same directory as ...
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2answers
199 views

How to add new elements to PATH for daemons (or other best practices)?

I want to add some scripts for custom administrative work to a Linux server (Ubuntu 12.04). Ultimately those scripts are callback scripts from at least one daemon (PostgreSQL in my case but that ...
2
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1answer
140 views

Which is the real PATH variable

On my office computer it seems like I've have two PATH variables. $path : This is delimited by " " (Space) $PATH : This is delimited by ":" (Colon) Though when I update one, the other one ...