Author Archives: richard

Bashism: Convert the case of a variable

Posted on June 24, 2015 by richard

Following on with more Bash version 4 Shell coding notes, here’s a way (as always with Bash, there’s so many ways to do anything) to ensure a variable is all lowercase characters (or all uppercase): a=Hello echo ${a,,} hello You … Continue reading →

Posted in Network Presence, Rich | Tagged , | Comments Off on Bashism: Convert the case of a variable

MapD: Massive Throughput Database Queries with LLV…

Posted on June 23, 2015 by richard

MapD: Massive Throughput Database Queries with LLVM on GPUs. devblogs.nvidia.com/parallelforall…

Posted in Tweets | Comments Off on MapD: Massive Throughput Database Queries with LLV…

gatling – a high performance web server. http://t….

Posted on June 23, 2015 by richard

gatling – a high performance web server. fefe.de/gatling/

Posted in Tweets | Comments Off on gatling – a high performance web server. http://t….

AIs learn from us: “The best way for AI machines t…

Posted on June 23, 2015 by richard

AIs learn from us: “The best way for AI machines to learn is by feeding them huge data sets of annotated examples” technologyreview.com/view/538616/go…

Posted in Tweets | Comments Off on AIs learn from us: “The best way for AI machines t…

Excellent news that Linux Foundation is funding th…

Posted on June 23, 2015 by richard

Excellent news that Linux Foundation is funding these core Infrastructure open-source projects. linuxfoundation.org/news-media/ann…

Posted in Tweets | Comments Off on Excellent news that Linux Foundation is funding th…

Loads of great Linux Monitoring info from Netflix…

Posted on June 23, 2015 by richard

Loads of great Linux Monitoring info from Netflix Engineers. brendangregg.com/blog/2015-06-2…

Posted in Tweets | Comments Off on Loads of great Linux Monitoring info from Netflix…

The Battle Eternal: “64 Network DO’s and DONT’s fo…

Posted on June 23, 2015 by richard

The Battle Eternal: “64 Network DO’s and DONT’s for Game Engines. Part IV: Great TCP-vs-UDP Debaithare.com/64-network-dos…9n0p

Posted in Tweets | Comments Off on The Battle Eternal: “64 Network DO’s and DONT’s fo…

Use sed to delete lines between text phrases

Posted on June 19, 2015 by richard

How to remove lines from stdin between and including the 2 lines as fields in a sed expression: sed “/textline1/,/textline2/d” This will delete from the input all lines between a line containing the text ‘textline1’ and ‘textline2’. If you have … Continue reading →

Posted in Sales | Tagged , | Comments Off on Use sed to delete lines between text phrases

Good intro/info on CoreOS: The Cloudcast (.NET): T…

Posted on June 18, 2015 by richard

Good intro/info on CoreOS: The Cloudcast (.NET): The Cloudcast #197 – Tectonic Shifts at CoreOS pca.st/e5vE

Posted in Tweets | 1 Comment

Some Bash-isms

Posted on June 18, 2015 by richard

Being a “code daily” type of open-source SysAdmin/Operations Manager, I’ll post here a ‘tricks & tips’ that I’ve found useful when using and programming in the Bash Shell. This one notes how to replace a Bash variable name with another … Continue reading →

Posted in Network Presence, Rich | Tagged , | Comments Off on Some Bash-isms