Sed stands for Stream EDitor - one of the basic tools in the POSIX environment. It processes one or more files according to an editing script and writes the results to standard output. Created in Bell Labs, it has been around since mid-70s.

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Writing to /etc/networking/interfaces at boot using sed/awk?

Newbie here, I'm trying to write to an auto-generated /etc/network/interfaces file of a newely provisioned XEN Ubuntu (12.04/10.04/8.04) DomU server at boot time using (currently) sed. The ...
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Regex matching specific details if first match exists, multiline

I'm struggling to get the correct regex to match specifically 'Contact' and 'User-Agent' only if the 'Contact' address matches 10.0.x.x in ~70GB of SIP messages. The SIP message will always contain a ...
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SED returning error 2 when launched by Wpkg

Case I am deploying a software product using Wpkg over Windows workstations. I need to disable product's faulty automatic update and the best solution in this case is to modify one configuration file ...