Error message while installing python packages

gistfile1.txt

* Error msg one
```
-error-command-x86-64-linux-gnu-gcc-failed-with-exit-status 1
```
* Fix
```
sudo apt install libpq-dev python-dev libxml2-dev libxslt1-dev libldap2-dev libsasl2-dev
```

* Error msg two
```

	

I am working on Django project with virtualenv and connect it to local postgres database. when i run the project is says,

ImportError: No module named psycopg2.extensions

then i used this command to install

pip install psycopg2

then during the installation it gives following error.

Downloading/unpacking psycopg2==2.4.4
  Downloading psycopg2-2.4.4.tar.gz (648kB): 648kB downloaded
  Running setup.py (path:/home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2/setup.py) egg_info for package psycopg2

    Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.

    Complete output from command python setup.py egg_info:
    running egg_info

creating pip-egg-info/psycopg2.egg-info

writing pip-egg-info/psycopg2.egg-info/PKG-INFO

writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt

writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt

writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'

warning: manifest_maker: standard file '-c' not found



Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.



----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2
Storing debug log for failure in /home/muhammadtaqi/.pip/pip.log


```

* solution
```
sudo apt-get install postgresql
sudo apt-get install python-psycopg2
sudo apt-get install libpq-dev
```