I've got a fairly simple question I guess. I'm working on a Ruby on Rails app.
I'm trying to switch to PostgreSQL thanks to Heroku.
In my database.yml file it states:
Install PostgreSQL and put its /bin directory on your path.
My question is how do I put PostgreSQL's /bin directory on my path? Exactly which file do I modify and how?
I imagine this is my issue since when I run the "rails db" command i get:
"Couldn't find database client: psql,psql.exe. Check your $PATH and try again."
Thanks everyone!
Robin.
Append the directory to system PATH (not user PATH) by Environment Variables, using a semicolon to separate it from the previous entry.
You can find it from control pannel -> system -> Advanced -> Environment Variables
Ran into the same issue and tried the solution mentioned here
[user#host user]$
psql
bash: psql: command not found
[user#host user]$
echo $PATH
/bin:/usr/bin:/usr/local/bin:/usr/bin/X11:/usr/X11R6/bin
[user#host user]$
export PATH=$PATH:/usr/local/pgsql/bin
[user#host user]$
psql testdb
Should do the trick.
You need to install Postgres first then add the path to system properties > environment variables > in system variables section you will see PATH variable
This is my preferred way of adding a new location to the PATH environment variable (on modern Red-Hat-based systems):
echo 'export PATH="/usr/pgsql-9.3/bin:$PATH"' | sudo tee /etc/profile.d/pgsql.sh
PATH is a colon : separated list of directories that are search, in order, for a called program.
Profile configurations under /etc are persistent for all users (but require the active shell to source them to take effect).
The version number is tacked on to the PostgreSQL directory when it is installed from their repository.
Related
It seems like I have it set up, I have my database.yml using postgres, and I can connect the database with pgadmin III, but when I tried using the psql command to test what version, it says that is is not recognized? Any idea what I should be doing?
I'm using windows and using command prompt with Ruby on Rails. Using PostgreSQL 9.2 installed with the EnterpriseDB one-click installer.
Assuming you installed PostgreSQL on Windows with the PostgreSQL "One-click" installer packaged by EnterpriseDB, psql is not added to the PATH automatically. That's partly because adding it to the path could otherwise cause confusion when people have multiple versions of PostgreSQL installed.
You need to specify the full explicit path to psql, eg:
"%PROGRAMFILES%\Postgresql\9.2\bin\psql.exe"
or add psql to the user PATH environment variable, see eg this guide.
Open Command Line
psql --version
if on above line psql version is not displayed, then follow below steps
(For Windows 7 OS)
Mycomputer->Properties->Advanced System Settings->EnvironmentVariables->Path->Edit->
(Donot remove any existing Path)
Add this
;C:\Program Files\PostgreSQL\9.5\bin;C:\Program Files\PostgreSQL\9.5\lib
save it then
Reopen Command Prompt and repeat
psql --version
C:\Users\rumi>psql --version
psql (PostgreSQL) 9.5.0
it is because there should not be space between the ; and your psql path so it should be like *****;C:\Program Files\PostgreSQL\9.2\bin\.
If there is a space after ******; then it will not work. You can actually type %PATH%in your cmd prompt and see how your environment variable and space looks like. I tried both cases for you, the first with space had the same error you mentioned and the second without space worked.
You need to set both the bin AND the lib path in your PATH environment variable separated by semicolons:
%PROGRAMFILES%\Postgresql\9.2\bin;%PROGRAMFILES%\Postgresql\9.2\lib
I'm trying to setup a new app with postgresql so I can deploy with Heroku. However, when I run the app using 'rails server' my welcome to rails screen gives this error:
PG::Error
could not connect to server: Permission denied Is the server running
locally and accepting connections on Unix domain socket
"/var/pgsql_socket/.s.PGSQL.5432"?
I'm sure this is the same issue as is covered here:
Repairing Postgresql after upgrading to OSX 10.7 Lion
But the fix by John Wang doesn't work.
I've tried adding 'export PATH=/usr/local/bin:$PATH' to the .bash_profile, .bashrc and .zshrc, none of which change the outcome. Calling which psql always returns /usr/bin/psql.
What am I doing wrong here? Any help would be much appreciated!
edit
Running /usr/local/bin/psql gives the same error and running echo $PATH gives:
/opt/local/bin:/opt/local/sbin:/Users/dave/.rvm/gems/ruby-1.9.3-p194/bin:/Users/dave/.rvm/gems/ruby-1.9.3-p194#global/bin:/Users/dave/.rvm/rubies/ruby-1.9.3-p194/bin:/Users/dave/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Users/dave/.rvm/bin
What happens if you run your locally installed psql directly?
/usr/local/bin/psql ...
If that works then it's the path you need to change. You can just try running the export in a terminal, then which psql. If that doesn't pick up the right psql then check the export worked with
echo $PATH
I'm not sure which .xxrc file you'll need to update then - not got a mac to hand I'm afraid, but at least you'll know the command will work.
Oh - I keep several different versions of PostgreSQL around and find it useful to have some aliases set up:
alias psql90='/usr/local/pgsql90/bin/psql -p 5490'
alias psql84='/usr/local/pgsql84/bin/psql -p 5484'
alias pg_dump90=...
Your $PATH is just a list of directories to check separated by ":". It starts /opt/local/bin rather than /usr/local/bin and if you look further along you'll see /usr/bin coming before /usr/local/bin. So - we need to do two things:
Find out which psql we actually want
Make sure we can edit our PATH
Firstly - find your postgresql.conf file and check what port you are running on. There are three items of interest: listen_addresses, port and unix_socket_directory. Then we'll see if there's a socket there.
ls -a <your unix_socket_directory>
You should see a "file" something like ".s.PGSQL.5432" where the 5432 is the port number from your config file. If there's no such file, it's not running and it's time to get it running. You may need to change the port number in the config file if it matches Apple's existing usage.
Then find what psql installations exist
find /usr -type f -name psql
find /opt -type f -name psql
Try and figure out which one you need, perhaps add --version to help.
Then, let's see about editing your PATH. You must have some changes in your settings file anyway, so let's see if we can find where that setting is.
grep -l 'local/bin' ~/.*rc
That should list filenames containing local/bin - have a look and see if they are editing your PATH.
Trying to get a rails server running nicely.
downloaded ruby 1.8.7 using link from rails page.
did ./configure/make/install, installed it fine.
tried ruby -v , got nothing.
tried ./ruby -v from the folder and it worked.
I feel like i've gone from understanding something about unix, to completely lost. Clearly ruby is working as a 'daemon', but not running as it should. Any help would be MUCH appreciated. Losing too much hair through this process :(
J.
can you see where make install put the ruby executeable?
if you do, check if this dir is in your $PATH by
echo $PATH
In general, unix needs to know where to find the executable file to be able to run it. It uses $PATH to find this executable file.
So if you type "ruby" it will go look at you $PATH and then look in each of those directories for a file named "ruby". If it can't find it in any of those directories it should then also look in the current directory.
So, this whole process will fail if:
a) the directory that contains the executable ruby file is not in any of the directories in $PATH AND
b) the executable is not in the current directory
... one more alternative is that is is available in one of these directories... but is not actually marked as being executable by you. You can check this by making sure you're int e directory with the ruby file and typing "ls -l ./ruby"
That will list the ruby file along with all its permissions and who owns it.
It should be something like:
lrwxrwxrwx 1 root root 7 2010-02-14 10:45 ./ruby
Notice the rwx. If your ruby doesn't have x then you'll need to add executable permission using chmod eg: "chmod 755 ./ruby"
Also note the "root root" - that means it's owned by root - in general, this means that only root can run it. In this particular example it has eXecute permission for everyone so everybody can run it, but if you do not have execute permission set like this, then it means that if you are trying to run it as yourself, you won't have permission, and you should either add full permissions or try running it using: "sudo ruby"
However - by the sounds of it - the most likely problem is that you just don't have the ruby executable's directory in your $PATH. You will need to fix this even if you get it running right now - because, in future, you will need to run ruby from directories other than the current one.
You will need to google for instructions on adding things to your $PATH - because it differs depending on your version of linux and your current shell, but it's not very difficult.
Which shell are you running? If tcsh, you may need a "rehash". Otherwise, as leifg says, add the directory containing the ruby executable to your path.
I have Ruby and GIT installed on my windows box. To run GIT commands I am utilizing the GIT Bash. To run Ruby commands I am using the command line.
I have not been successful running GIT commands from the CMD line nor can I seem to run Ruby commands from inside the GIT Bash. I would love to be able to run commands for both GIT and Ruby from the GIT Bash (ideal) or at the least from the CMD line.
What is the best way to go about this?
I run git commands from the CMD session all the time.
Make sure your PATH environment variable includes the 'cmd' directory from a msysgit distro:
Path=C:\Path\To\Git\1.7.1\cmd
If not, add it in your session:
set PATH=%PATH%;C:\Path\To\Git\1.7.1\cmd
and you are done. Git and Ruby commands in your CMD shell.
The reverse (Ruby commands) is possible in a Git bash, by adding to the PATH a value like /c/path/to/Ruby/186-27/bin
To elaborate on VonC's answer of making Ruby available in Git-Bash.
All you have to do is add the path to your Ruby bin folder in your windows environment variables. It doesn't have to be in the format /c/path/to/ruby, it can be C:\Ruby193\bin.
Step by step for Windows 7:
Start
Search programs and files (default textbox after hitting the Start icon), Search for 'environment'
Select 'edit the system environment variables'
Click 'Environment Variables' (bottom right of the form)
Add to the 'System Variables' 'PATH' the following ';C:\Ruby193\bin' (without the single quotes)
Restart your shell
Make sure to close your git-bash shell and restart it to pick up the new environment variable.
Go to My Computer -> Properties -> Advanced system settings ->
Environment Variables
Add a New System variable. Variable name = RUBY_BIN. Variable
value = C:\Ruby193\bin (path may vary).
Add a New System variable. Variable name = MSYSGIT_BIN. Variable
value = C:\msysgit\bin (path may vary).
Append ;%RUBY_BIN%;%MSYSGIT_BIN% to Path variable, under System variables.
Restart shell.
This will allow you to run ruby, git or sh (Git Bash) commands from Command Prompt, as well as Ruby from Git Bash.
My personal setup uses msysgit and tortoisegit. I've found that using TortoiseGit's Pageant manager for the keys lets me use everything from any command line, including powershell. The only annoyance is I have to have pageant running with the keys added, which seem to clear on every reboot. Fortunately I don't reboot often.
The combined answer for VonC and Rots helped me to achieve the desired results.
However, since I was not familiar with editing environment variables, I must have accidentally overwritten the path for my nodejs files.
As a result my solution included adding the ruby path and the nodejs path to my user variables instead of the system.
I'm using a Windows 7 machine.
while installing ruby installer, select the option "Add ruby executables to your path" . Then all git/ruby commands will run from git bash.
Passenger says:
Ruby on Rails application could not be started
...
Command 'exiftool' not found (MiniExiftool::Error)
When I login with ssh and I type exiftool in any directory the command works properly.
I have the follwing line in both .bash_profile and .bashrc
export PATH=$PATH:$HOME/bin
Is it possible that Rails (MiniExiftool plugin) does not recognize that bash command? How can I fix this behaviour?
The PATH for the user your server runs as does not include the directory that exiftool is in. You can either add it to that user's path, or you can refer to exiftool using its full path. I'd recommend this second approach for reasons of security. There are a number of attacks that involve putting trojan horses in a user's path ahead of the directories where the real binaries live.