idmapd for NFSv4 doesn’t do what you think it does

After wasting a lot of time trying to remap UIDs for an NFS mount using idmapd, I came across this article. In summary: “The problems start when we want to access the file contents or modify a file/directory and suddenly we get ‘permission denied’ type messages. Now NFS itself doesn’t do the security authentication but …

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TXR: data extraction language

TXR is a pragmatic, convenient tool ready to take on your daily hacking challenges with its dual personality: its whole-document pattern matching and extraction language for scraping information from arbitrary text sources, and its powerful data-processing language to slice through problems like a hot knife through butter. Many tasks can be accomplished with TXR “one …

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