Daily Archives: November 2, 2012

yum update failure: Cannot retrieve repository metadata

Posted on November 2, 2012 by Thomas Cokelaer

Sometimes, using “yum update”, the process fails with an error message similar to:: Error: Cannot retrieve repository metadata (repomd.xml) for repository: rpmfusion-free-updates. Please verify its path and try again Error: Cannot retrieve repository metadata (repomd.xml) for repository: rpmfusion-free-updates. Please verify … Continue reading →

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SED: insert text at the top of a bunch of files

Posted on November 2, 2012 by Thomas Cokelaer

at a line at the top of a file Imagine, you have a set of files ending in .txt, and you want to add the statement #header at the top of each of them. Then, simply type: ls *.txt | … Continue reading →

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