HOW TO : Search which package contains a filename
If you are using a Linux system that uses yum for package management (like Fedora, Centos, RHEL), you can use the following command to find out...
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HOW TO : count lines in windows command line
Say you are using netstat to checl all established network connections on a windows machine (confirmed to work on windows 7+ and windows server 2008+) and...
HOW TO : Add cookies in Google Chrome Browser without a plugin/extension
Literally copying this post/note from a blog post by Nate Good http://nategood.com/quickly-add-and-edit-cookies-in-chrome If you want to inset a cookie into a website request in Google Chrome,...
HOW TO : Use grep to search for content at end of line
If you want to search for a pattern at the end of a line, you can use tail -f logfile | grep -v “0$” breaking down...
HOW TO : Query varnishlogs for requests with 404 responses
varnishlog, one of the tools provided with varnish cache, uses VSL Query Expressions (https://www.varnish-cache.org/docs/trunk/reference/vsl-query.html) to provide some powerful insights into the requests and responses. Here is...
HOW TO : Enable wildcard domains in Squid
We were trying to modify some ACL (access control lists) in squid to allow traffic to certain websites. Instead of adding each individual hostnames in a...