BASH Script IPv6 address validation
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Here’s a simple function to validate IPv6 address space within a bash script
Category Archives: Musings
Parallel execution in Bash example
Below is an example I vibe coded up with Grok which provides parallel execution of tasks within Bash 4.3+ and later. It leverages internal bash features as well as external temporary tracking files for output capture. It seems to work … Continue reading
SC23
Lots of neat stuff at the HPC trade show this year “SC23” Continue reading
Oneplus 6 phone dialing issues
When your OP6 phone dialing dies, check this as a possible solution. Continue reading
Extremely useful .htaccess ReWrite validator
So as I was working on one of my many web projects, I needed / wanted a faster way to validate my Apache web servers URL rewrite rules. This site did the trick and worked great: https://htaccess.madewithlove.com/
less Tips and Tricks
The less tool can open multiple files in order, I find this useful when comparing sets of logs. For instance Which will open the first file it finds and hold the rest in reserve, switching forward and backwards through this … Continue reading
AT&T, 3G shutdown and the Oneplus 6
Ugh, AT&T, Oneplus 6 and the looming 3G shutdown. Continue reading
Understanding Lists in the Perl programming language — great read!
Perl’s aggregate data types are the array and the hash. Each is constructed from a list. The actual definition of a list covers quite a lot of cases—a lot of ways in which these can be constructed. However, the basic … Continue reading
Imagemagick
Imagemagick can calculate the best resolution and quality for JPEG type files with the -define jpeg:extent=SIZE optional argument. An example of this would be to reduce the size of a multi-megapixel image by half and targeting a desired maximum file … Continue reading
Microsoft Outlook 2016… Sigh…
As part of my day to day work I find my self forced into a Windows 7, Microsoft Office environment. This is already painful enough having to slog through the crippling security restrictions imposed on me by corporate InfoSec and … Continue reading