title: conda install -c anaconda gcc_linux-64 not being used
body: <p>I wanted to install updated version of gcc on a server where I do not have root access. I tried
  <code>conda install -c creditx gcc-7</code>
  which was not working. Then I found 
  <code>conda install -c anaconda gcc_linux-64</code>
  in fact installs gccv7.3. But after the successful installation, the conda environment still uses the system gcc at
  <code>/usr/bin/gcc</code></p>
  
  <p>Please help me so that I can use the gcc v7.3 that I just installed.</p>