(TIL) Nix: Determine The IP Address Of A Domain
The dig (domain information grouper) command can be used to get more information about a domain name. To discover the IP address for a given domain, invoke d...
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(TIL) Nix: Curling For Headers
If you want to inspect the headers of a response from some endpoint, look no further than a quick curl command. By including the -I flag, curl will return ju...
(TIL) Nix: Curling With Basic Auth Credentials
I often use curl to take a quick look at the responses of particular endpoints. If I try to curl a URL that is secured with HTTP Basic Authentication, this i...
(TIL) Nix: Convert tabs to/from spaces
The command expand in GNU coreutils converts tabs in each input file to spaces. The command unexpand does the reverse, converting spaces in each input files ...
(TIL) Nix: Convert file contents to lower case with tr
To convert the contents of a file to all lower case, you can use: