Yum is not working anymore in scientific linux after python update
<p>Im using a scientific linux on a remote machine. I tried to install python 2.7 on it. After that the yum and some other python packages are not working (it says "no module named yum"). I searched it online and it seems I should not have touched the system python as it breaks some of the system tools. Is there a way to reinstall the previous python (which was 2.6). I already tried to install python 2.6 by downloading the package but still yum is not working.</p>

<p>Once you get your system back to normal, add Python 2.7 as a Software Collection - it installs "along side" the original Python 2.6 rather than replace it so both are available without collision.  Get 2.7 and others from softwarecollections.org.</p>

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