Jul 122012

I had a few virtualboxes running centos 5.7 that I hadn’t updated in a while.  They were used for testing.  Today I went to update them and couldn’t because the 5.7 repo’s had been deprecated and were not longer available.  I found a quick way to do this, and this got my virtualboxes updated to 5.8……which is what I needed anyways.

To fix:

sed -i 's/$releasever/5.8/g' /etc/yum.repos.d/CentOS-Base.repo

After you update to 5.8, then you need to reboot and change it back:

sed -i 's/5.8/$releasever/g' /etc/yum.repos.d/CentOS-Base.repo

And run yum updates again

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