I'm using virtualenvwrapper-win and want to use the postactivate hook of virtualenvwrapper to set environment variables. However it seems virtualenvwrapper-win doesn't include a postactivate file, and I haven't been able to get it to work by creating my own. Does anybody know how to get the postactivate hook to work with virtualenvwrapper-win?
I want to include this in postactivate to set an environment variable: SET APP_SETTINGS="example.setting"
I actually solved it myself. You can put any environment variables in the activate.bat file in the Scripts folder of your virtualenv.
If you have already defined your VIRTUALENVWRAPPER_HOOK_DIR variable, just add this line to workon.bat.
call "%VIRTUALENVWRAPPER_HOOK_DIR%\postactivate.bat"
Just make sure you put it above :END
Related
I am trying to use go get which means I have to set the go path. I have tried this through a ton of ways, so please do not mark this as a duplicate unless that solution works. I have tried almost every solution on SO I could find.
My chef code
package 'golang-go'
directory '/work-disk/go' do
owner consul_user
group consul_user
mode '0755'
action :create
end
bash 'go' do
user consul_user
code <<-EOH
export GOPATH=/work-disk/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
EOH
action :run
end
I had export GOPATH=$HOME/go before but that seemed to fail so I created a directory to test with and explicitly said the directory but still no luck
Error message
cannot download, $GOPATH not set. For more details see: go help gopath
This is not how environment variables work. Setting them in a subprocess on affects that subprocess.
everyone.
I had a basic question want to consult, about the environment variable setting.
After closed my one existed terminal which could execute compile(make) and do customed(mksdboot) command, i can't do mksdboot command anymore(I had execute a predefined setting environment variable shell script i.e. $ . ./arndale_envsetup.sh again) in the new terminal.
Cause i am a beginner in Linux, i am not very clearly about the environment variable setting rules.
i had tried to 'su' or 'sudo' to execute mksdboot, but no luck:(
ps. I had another project needs to compile in my PC(i didn't export PATH to .bashrc, only execute export PATH when i open a new terminal every time), may it efforts the original project's environment variable?
thanks.
[UPDATED]
i tried using $source ./arndale_envsetup.sh, relative commands worked finally.
but i still did't figure out the reason between work or not work. >"<
The command
history
will list what your previous commands where.
This might give you a pointer what set the path in the way you needed it.
You could also try to see where you command is via
locate mksdboot
Background: I am trying to run a windows-installed version of python from within cygwin, rather than the cygwin version (some packages I am using prefer the non-cygwin version). The following post got me up and running: Using Windows Python from Cygwin. However, I am now having an issue.
Problem: The PYTHONPATH variable does not seem to be working for me. I try "import module1" when I am using python in an arbitrary directory. module1 is located here: c:\cygwin\home\mcsefl\testFolder\module1.py. And my PYTHONPATH variable is set in my .bashrc file in the following way: "export PYTHONPATH=$PYTHONPATH:/home/mcsefl/testFolder". However I still get a "No module named..." error.
Alternate tries: Since I am running the Windows Python, I thought perhaps python did not care about the cygwin environment variables (not sure if this is true..?) So, I also tried to set the windows PYTHONPATH env variable in the control panel of windows with no luck as well.
Thanks in advance
I deleted the line in my .bashrc file that tried to set the PYTHONPATH variable and just let it be set by Windows. This corrects the problem.
Side note: The title for this Question is a misnomer now that I re-read it. My issue was resolved without addressing that overall question
I installed libffi-3.0.11, because another program needs that. But after the installation the other program (by calling the comand ./configure)don't recognize that libffi is installed. Do I have to set a environment variable? Or are all variables set automatically?
usually there is a LIBPATH, you should try to include the directory where your lib resided into this path. In addition, if you have a default bash
export LIBPATH=/your/libffi/path:$LIBPATH
I highly recommend to put this into a script and load it whenever you login automatically so that you don't need to repeat this step
/home/yourhome/.profile <- make sure you insert it into this file and its loaded automatically
Here is a guide how to do the task:
http://archive.linuxfromscratch.org/lfs-museum/5.1-pre1/LFS-BOOK-5.1-PRE1-HTML/chapter06/glibc.html
The parameter you probably need is the following:
./configure --libexecdir=/usr/lib:
If you have installed the libffi library properly this should completely solve your problem.
It depends, if you install libffi on /usr/local you should probably set the includes dir of the app you want to configure to /usr/local.
For the new app, try ./configure --prefix=/usr/local. To see the options of configure, use ./configure --help. Can you show the example of what is not running ?
i have trying to use some global variable in my ant file.
when i do login through terminal. i can access those variable like JAVA_HOME
but when i am trying to access variable through the ant command i am not able to find them.
global variable declared in .cshrc
setenv JAVA_HOME jdk_full_path
ant code using variable.
<property environment="env"/>
<property name="ear" value= "true"/>
<property name="home" value="${env.HOME}"/>
<property name="java_home" value="${env.JAVA_HOME}"/>
i can access home variable but i am not able to find JAVA_HOME variable ,i am executing this ant through eclipse
Please suggest me where should i declare the variable so i can access them
The problem is probably that Eclipse doesn't have JAVA_HOME in its environment.
Try logging out and back in again, then run Eclipse.
Alternatively, open a terminal, and run Eclipse from there.
The .cshrc file is only run when you start a new C shell, it is not for global variables. Since you are not starting Eclipse from the C shell it will not see any variables you set there.
Try the ~/.login file or the /etc/profile file in case eclipse starts up using bash. Both of these files are only loaded once when the user logs on so they should effect everything. You may require a restart or even a reboot for changes to these files to take effect.
Environment variables are inherited through process execution, they are not global. So, when you edit your shell's RC file to add a variable, it only takes effect for shells executed AFTER that modification, and for programs executed from those shells. If you started Eclipse from KDE/Gnome, and KDE/Gnome was started before you made that change, then KDE/Gnome never had the definition and therefore Eclipse did not either.
I recommend logging out and back in. Also, depending on your default shell setting, you may find that KDE/Gnome is being started through bash or something else, meaning that you'll need to modify .bashrc instead of .cshrc.
You should define this variables at one of the following files:
~/.profile or ~/.bash_profile runs only with login shells i.e when you first log in into system.
~/.bashrc file runs every time you open a new non-login bash shell such as xterm
So, you should add to this files the line:
export JAVA_HOME=jdk_full_path
You must re-login for the changes take efect