I must preface this post with the posit that if you’re doing anything interactive() with Amazon Athena you should seriously consider just using their free ODBC drivers as it’s the easiest way to wire them up to R DBI- and tidyverse-wise. I’ve said as much in previous posts. Drop a note in the comments if… Continue reading
Post Category → Linux
Moving From system() calls to Rcpp Interfaces
Over on the [Data Driven Security Blog](http://datadrivensecurity.info/blog/posts/2014/Apr/making-better-dns-txt-record-lookups-with-rcpp/) there’s a post on how to use `Rcpp` to interface with an external library (in this case `ldns` for DNS lookups). It builds on [another post](http://datadrivensecurity.info/blog/posts/2014/Apr/firewall-busting-asn-lookups/) which uses `system()` to make a call to `dig` to lookup DNS `TXT` records. The core code is below and at both… Continue reading
Securing ‘su’ with Google Authenticator
Google’s new do-it-yourself two-factor authentication (Google Authenticator) enables you to setup stronger logins on your linux system. Nick Wilkens (@nwilkens) has a good/quick tutorial up on his company’s blog for acquiring, compiling and setting up Google Authenticator for ssh sessions. NOTE: On the Ubuntu VPS I was doing testing on, I had to add the… Continue reading
Backup Workflow
I was trying to convey my backup workflow/setup to @joeday in 140 and it just wasn’t working very well. Twitter – as one might expect – is not exactly the place for detailed technical discussions, but it does provide fertile ground to spark ideas and dialogue. I told @geekshui that I’d blog my setup and that turned… Continue reading