A simple Swiss Army knife for HTTP/S troubleshooting and profiling
It’s also a wrapper script around several security tools such as Mozilla Observatory and Nmap NSE.
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Shell
A shell is a command-line tool, designed to be run by the Unix shell.
For the love of pipes
Jessie Frazelle spells out why she loves the | command. Here’s the brief: In brief, the | allows for the output of one program (on the left) to become the input of another program (on the right). It is a way of connecting two commands together. Did you know pipes pre-dated Unix?! 1964! Lots of good stuff in this post, highly worth the click.
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An extendable version manager with support for Ruby, Node, Elixir, etc.
I’m a looooong time rvm user, but I don’t have a similar tool for my Elixir and Node installs. asdf looks like a potentially nice way to unify all of my language/runtime versioning under a single tool.
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10 lines of Ruby can replace most of the CLI tools you use to process text
It’s amazing what a little bit of grease can do to the skids. Put this rb file in your $PATH and get ergonomic access to all of Ruby’s text processing skills. The very first example sold me: docker ps | rb drop 1 | rb -l split[1]` # ubuntu # postgres
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The Shell introduction Max Antonucci wishes he had
Max wrote an excellent intro (for his past self) to using the Shell. He covers what it is, common actions, package managers, dotfiles, aliases, and more. Check this out as a refresher, or send it to a friend who needs a nudge in the right direction. ✊
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What happens when you run `sudo !!`?
Safia Abdalla continues her excellent series of “what happens when” posts, this time tackling sudo !!: One thing I’m sure everyone has done on the command line is to use the !! shortcut to run the command run previously with sudo. Don’t be so sure, Safia. It took me literally years of command-lining around before I learned that trick. I bet you taught more than a few people about its existence with this very article. 👌
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Generate an ASCII network diagram from the route table of a Unix/Linux
Graphpath is a shining example of the Unix philosophy’s virtues. it’s just a shell script using standards tools (route, arp and ifconfig on *BSD and ip on Linux) The results? Super useful.
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Test the DNS performance of major providers with this script
Yesterday’s coverage of CloudFlare’s new DNS service (1.1.1.1) was met with a few cries of “SLOWER FOR ME”! Is it faster or slower in your neck of the woods? You can find out easily by running the linked script. CloudFlare wins easily from where I’m sitting (see below). Off to go change my settings!
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goto – a shell utility allowing navigation to aliased directories
Register an alias like goto -r dev /home/jerod/dev. From then on out, you can just goto dev. Lazarus says: It comes with a nice auto-completion script so that whenever you press the tab key after the goto command, bash or zsh prompts with suggestions for the available aliases.
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