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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2answers
399 views

Sudo changes PATH, yet executes the same binary

There are two Python interpreters installed: [user@localhost ~]$ /usr/bin/python -V && /usr/local/bin/python -V Python 2.4.3 Python 2.7.6 Sudo changes PATH when executed: [user@localhost ...
6
votes
3answers
4k views

How do I set the PATH or other environment variables so that X apps can access it?

How can I set env variables so that KDE recognizes them? How do you set the path in a non-shell environment (KDE)? Unlike the above two questions, I want to know how to do this for GNOME. Or better ...
6
votes
2answers
9k views

Adding a folder of jar files to my path

Unix newbie here. I have java tools that I need to use. The tools are in a folder full of jar files. I wanted to add this folder to my path, for the obvious reasons, but after I edit my .bash_profile ...
6
votes
3answers
3k views

Added bin directory to my path, can't execute commands in it with 'sudo command'

I made a bin directory in my home folder where I place all my scripts. Then in my .bashrc I added the following: export PATH=$PATH:/home/myusername/bin So I could access files I placed in there ...
5
votes
3answers
10k views

Adding to path vs. linking from /bin

Our sys admin installed a software application (Maven) on the server and told everyone to add the /usr/local/maven/bin/ folder to their path. I think it could be more convenient to just link the few ...
5
votes
2answers
11k views

How to add home directory path to be discovered by Unix which command?

I have installed node.js at custom location and added the location to the $PATH in .profile file. Hoons-MacBook-Air:npm Eonil$ node --version v0.6.2 Hoons-MacBook-Air:npm Eonil$ which node ...
5
votes
3answers
13k views

Adding directory to PATH through Makefile

I'm having some trouble in exporting the PATH I've modified inside the Makefile into the current Terminal. I'm trying to add to the PATH, the bin folder inside wherever the Makefile directory is. ...
5
votes
4answers
234 views

How do I use which(1) with the system's default $PATH?

I would like to use which with the system's default path, ignoring any embellishments from the user's shell configuration files. Motivation I am attempting to write a script to find the system's ...
5
votes
4answers
8k views

Running python script from Linux Terminal

I have downloaded this script named, pyAES.py and put it in a folder name codes, inside a Desktop directory of my Linux, According to this example, ...
5
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6answers
969 views

List all binaries from $PATH

Is there one-liner that will list all executables from $PATH in bash.
5
votes
2answers
4k views

Problem with $PATH and executable file

I am a complete unix noob so please forgive my simple question. I have a unix executable file located in a directory I generated. I believe I need to get this directory in my $PATH so that the unix ...
5
votes
2answers
618 views

modify path globally

Is there a standard for $PATH and the order of things that are supposed to be in there? out of the box Arch Linux doesn't have /usr/local/bin in the $PATH. I want to add it but I'm not sure if there's ...
5
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2answers
254 views

awk + paste for cleaning up PATH?

I have seen this code in .cshrc init files on a few machines. I went through a few awk tutorials in trying to understand how it works, but I am still unable to decrypt it. setenv PATH `echo $PATH | ...
5
votes
3answers
111 views

Find latest copy of same file in folder structure

I need to get the path of foo.txt in a folder structure. There are multiple foo.txt files in this structure but I need an automated to find the latest. Suggestions?
5
votes
2answers
2k views

Installed sqlite3 v3.8, but mac terminal still runs old version 3.6 by default

I have a Mac running OS X 10.6.8, which comes pre-installed with SQLite3 v3.6. I installed v3.8 using homebrew. But when I type "sqlite3" in my terminal it continues to run the old pre-installed ...
5
votes
3answers
3k views

Add directory to path for all shells and users in SLES 11.1

I'm using a server running Suse Enterprise 11.1. I need to add some locations to the path for all users and for all the shells. Is there a nice and easy way to do this or do I have to modify the ...
5
votes
1answer
3k views

Reloading the $PATH from the GUI terminal

My machine is running Fedora 16 x86_64 I am trying to figure out why I can not get my GUI terminal window to refresh the path. I recently added a new location to the path (in .bash_profile), after ...
5
votes
2answers
209 views

Default preference of executable over built-ins with the same name

I was playing around a bit with the names of some executables, putting them in a folder, ~/bin, which is in my $PATH. Now I'm wondering how I can set the preferences of a bash-3.2 terminal so that it ...
5
votes
1answer
3k views

How to identify executable path with its PID on AIX 5 or more

On AIX 5 or 6, `ps -ef` shows the executable full path randomly. Why and how to determine it? I find many thread through internet and also Unix & Linux and this stack overflow post about finding ...
5
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2answers
5k views

Change user and load entire environment in shell script

I'm having some trouble with an upstart script of ours that changes user and starts up a few ruby daemon processes. In the past i would simply bash -c "do the business" -l someuser making sure to use ...
5
votes
1answer
146 views

Can non-canonicalized forms of filesystem paths be significant? (eg. “foo//bar”, “foo/./bar”, and “foo/../bar”)

I have a script for building a particular flavor of GCC cross-compiler. Throughout the script there are many paths that are not in canonical form, such as duplicate path separators (/xxx/foo//bar/yyy) ...
5
votes
1answer
396 views

zsh - fully expand binary path on <tab>

In my current zsh behaviour, hitting tab after typing "sudo" just adds a space. $ sudo ... What I really want is for the tab to fully expand to the path of the binary it is about to execute when I ...
5
votes
1answer
2k views

Global /etc/profile setenv or export overwriting user settings in .profile

I need to call a modified version of a program in /home/user_name/bin rather than the (older) version in /opt/program_name/current on a CentOS 5.3 cluster. The program creates a tcsh script using ...
4
votes
8answers
276 views

“which” with a little “grep”-like solution?

# which mkdir /bin/mkdir # which mkdi # How can I get the path of the e.g.: mkdir's binary without knowing the name of the binary file? (command). So that which mkdi would output the /bin/mkdir ...
4
votes
2answers
2k views

Basic commands in Unix not working i.e: -bash: ls: No such file or directory

I'm new to Unix and in the process of installing a program for my dissertation I must have played with the PATH for the basic Unix commands such as ls. Every time I type ls and the directory name I ...
4
votes
3answers
1k views

Does sudo a command temporarily change $PATH to be the root's?

When running sudo <command> under a user login session, will that change $PATH to be the root's $PATH during the running of sudo <command>? If <command> relies on the user's $PATH, ...
4
votes
2answers
760 views

What does '//' mean in return from `which`

I have an executable script test under the full path /home/sawa/foo/bar/test. The directory /home/sawa/foo/bar is within $PATH, and has priority over the default ones including /usr/bin. When I do ...
4
votes
2answers
67 views

What does an @ symbol denotes in the beginning of a unix domain socket path in Linux?

When I run netstat --protocol unix or lsof -U I see that some unix socket paths are prepended with @ symbol, for example, @/tmp/dbus-qj8V39Yrpa. Then when I run ls -l /tmp I don't see file named ...
4
votes
2answers
636 views

Compiler cannot find header file, do I add the directory to PATH?

I am trying to work with gtk which is located at /usr/include/gtk-3.0/gtk/ .., but all of the header files in the toolkit have #include <gtk/gtk.h>. Aside from adding /usr/local/gtk-3.0 to ...
4
votes
1answer
291 views

Why isn't this directory being added to my PATH when I use sudo?

Ive just compiled and installed apache webserver from sources, and now I want to add the apachectl script to PATH I know I need to add the directory to the root user's PATH (as the script needs to be ...
4
votes
1answer
278 views

Keep getting the same result after “export PATH”

I am doing this: $ which cabal /usr/bin/cabal $ export PATH=$PATH:$HOME/.cabal/bin $ which cabal /usr/bin/cabal I expect to get /.cabal/bin/cabal for $ which cabal (this path exists) after this. ...
4
votes
1answer
70 views

How to update 'command cache' after change of soft links?

I have changed multiple soft links on my system with ln -f -s. When I view the link with ls -l, I see they point to the right target. However, when I try to run the command, it still tries to use the ...
4
votes
1answer
761 views

Why does root not have /usr/local in path?

I've noticed that the default path for root on my of my vm's and servers do not include /usr/local/bin sudo -s echo $PATH /sbin:/bin:/usr/sbin:/usr/bin Whereas normal users on the server do have ...
4
votes
2answers
1k views

How do you set the path in a non-shell environment (KDE)? [duplicate]

I'd like to override one of the applications set in /usr/bin/. I have created an alternative with the same name in ~/bin/ which in in my PATH (as set both in .bashrc and in .profile). When I start ...
4
votes
2answers
2k views

(G)VIM uses a different $PATH than my system

Because Ubuntu provides no up-to-date packages for TeXLive, I installed it manually. However, some programs need TeXLive as dependency. So what I did is I installed the TeXLive package from the Ubuntu ...
4
votes
1answer
684 views

mpirun fails to recognize program in $PATH

Somehow mpirun fails to acknowledge my $PATH. The program PyroDist, that I have in $PATH, works: $ PyroDist Can't find asked option -in PyroDist - pairwise distance matrix from flowgrams -in ...
4
votes
2answers
1k views

Getting the current path in .desktop EXEC command

Im trying to make a .desktop file run a .sh which is stored in the same directory as the .desktop. The whole directory needs to be portable and moved from machine to machine. my run script is run.sh ...
4
votes
3answers
566 views

What's the right way to set “dynamic” PATH in bash? (for android sdk)

I have android sdk installed, and I want the binaries in build-tools/android-VERSION to be available in PATH, so I add few lines: ...
4
votes
2answers
1k views

How to add a path to system $PATH for all users's non-login shell and login shell on debian

I installed some programs in /opt/my-program/bin, I wanted to add /opt/my-program/bin to system $PATH for all users's non-login shell and login shell. What should I do? Changing /etc/environment is ...
4
votes
2answers
454 views

Inhibit Variable Expansion in Paths

How do I prevent Zshell (and Bash I assume) from expanding environment variables in paths be completed as shown in the following example: $PREFIX/alt/li should expand to $PREFIX/alt/lib and not ...
4
votes
5answers
3k views

A system-wide way to set or get $JAVA_HOME in Ubuntu?

I wonder whether Ubuntu itself provides a system-wide way to find the current JAVA_HOME or whether there is right place for setting JAVA_HOME. Mac OS X does well in this, for /usr/libexec/java_home ...
4
votes
1answer
800 views

Why do Mono applications only start from their own directory?

If I want to run the application monodevelop, I need to chdir to /usr/lib/monodevelop/Bin and then execute ./MonoDevelop.exe. This is the same for all other Mono applications such as banshee, tomboy, ...
3
votes
3answers
193 views

Exporting just a single file

To make scripts accessible from anywhere in the terminal, one can use the following sequence of commands: PATH=$PATH:some_path_here export PATH Which includes all files at the path sent in ...
3
votes
1answer
118 views

Why isn't the first executable in my $PATH being used? [duplicate]

I have a script called jsl in /usr/local/bin. Running which jsl finds it there. I want to temporarily use a different version, and when I echo $PATH I see that /usr/bin is earlier in the path. So I ...
3
votes
2answers
2k views

/etc/ld.so.conf doesn't contain /usr/lib

I am using pkg-config to help supply the correct libs during c++ compilation. As I understand it, it searches in directories supplied by /etc/ld.so.conf. My ld.so.conf references the following lib ...
3
votes
4answers
533 views

Decomposition of path specs into longest-common-prefix + suffix

Given any two absolute Unix path specs1, one could decompose each spec as the concatenation of a longest common prefix and a specific suffix. E.g., /abc/bcd/cdf -> /abc/bcd + cdf ...
3
votes
5answers
104 views

search a command in PATH with the same name of the script

For example, my script is $HOME/bin/sudo. I'd like to search for an executable in $PATH with the same name, sudo, and run it - but not the script $HOME/bin/sudo itself, otherwise I will run into an ...
3
votes
2answers
148 views

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 ...
3
votes
1answer
738 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 ...
3
votes
3answers
404 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 ...