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AWS troubleshooting: how to fix a broken EBS volume (bad superblock on xfs)
As great as EBS volumes are on Amazon Web Services, they can break and not ever mount again, even though your data could still be there intact, a simple corruption on the filesystem structure can cause a lot of damage. On this post I teach you how to move all that data onto a new […]
Bash Alias – “svn_diff_counter”: Count lines added and removed
I love to know how many lines I’ve added and deleted before making a commit. This is why I created this alias: alias svn_diff_counter=’svn diff | egrep “^[+|-].*” | egrep -v “(+++)|(—)” > .tmp_diff_counter ; added=`egrep “(^+)” .tmp_diff_counter | wc -l`; removed=`egrep “(^-)” .tmp_diff_counter | wc -l`; rm .tmp_diff_counter; echo “Lines Added vs. Line Removed […]