“A Book is a Journey” Bookplate found at Vons in West Lafayette, Indiana. I somehow did not take a photo of the cover but I believe it was a 1950’s or earlier Math Dictionary or Encyclopedia. Wonderful, tight passageway in the basement of Von’s. I also found it notable t hat Von’s has a whole …
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OPZ midi sequencing
Note: Any track can be used for midi sequencing. Ensure midi out is enabled on the opz: Hold the screen button and press the metronome button three times, then pressing the “3” key to turn midi out on/off. You may also use the app to turn midi on and off Set the midi channel for …
How to backup the OPZ
All MFB products
I came across the MFB 602 sequencer today which I was not previously aware of. This has inspired this page – a record of all the MFB products I come across. MFB 602 MFB Step 64 $350 usd (last price listed on analogue haven) MFB 601 Sequencer from a Reverb auction: MFB 712 + 601 …
The wonderful, perplexing MFB-503
Ah, MFB. Maker of wonderful instruments and usually bewildering user interfaces. Today we look at the MFB-503 Drumcomputer To start, press play. My unit seems to sometimes set the tempo of empty patterns to zero causing the pattern to appear to not play. Each pattern has an a and a b section. To select a …
Booting an Asus x200ca from USB
Here is the procedure to boot an Asus x200 (x200ca in my case) from USB (ie. to install Linux on it). While booting, press F2 to enter the bios Go to the “Security” tab and disable “secure boot” In the boot tab, enable CMS and Enable PXE boot In the boot tab, disable fast boot …
Modifying and rebuilding an RPM from source
This is a topic covered over and over on the internet and yet I can never find the quick guide I need. Here for my notes are how to modify and rebuild an RPM from source. First, download the SRPM and install it: You may see some errors about groups, you can ignore these. You …
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Finding an expired certificate
I had a strange issue today regarding a particular expired certificate on a webserver. The problem was that the server in question was an nginx reverse proxy that proxied many domains and contained many hundreds of certificates. For various, um, “technical reasons”, I could not locate the exact cert that was bad. I only knew …
Creating a simple, quick Borg backup
Here is how to create a simple borg backup. Something more along the lines of a zip file than a careful backup system. I’m using this method for long term storage. The primary benefits are de-duplication and compression. Again, to clarify – these are not backups meant to be updated each day/week/month. These are simply …
Using a private key file with sftp over lftp
I ran into a few issues trying to use a non-default private key file with lftp. Here is how I got it to work: inside ~/.lftprc put The important items are what is passed to the -i option – this should be the private key you want to use. In my example I’m also using …
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