baumi's blog

baumi's personal blog … Linux, OS X, Windows, Random things, …

printing bing ads invoices with cups / lp: white pages

tried printing Microsoft’s BingAds invoices with lp/cups. Result: prints blank pages 😉 Solution: run through imagemagick’s “convert”. gives a warning (see below), but works: ATTENTION: New, better solution (way faster!). The old solution stopped working (upgraded to Ubuntu 16.04 und changed cups printer setup. can’t tell what exactly was breaking it): pdftk “$infile” output “$outfile” […]

chan_dongle for asterisk 13.9.x (works on GNU/Linux Ubuntu 16.04 LTS)

install asterisk 13.9.x: apt-get install aclocal automake autoconf libsrtp-devel wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz aclocal autoconf automake -a ./configure make make menuselect #make sure res_srtp is enabled! make install Asterisk TLS/ZRTP setup: Specifically for blink: https://wiki.asterisk.org/wiki/display/AST/Secure+Calling+Tutorial install chan_dongle (hint: setting the branch “asterisk13” is crucial!): git clone -b asterisk13 https://github.com/oleg-krv/asterisk-chan-dongle.git cd asterisk-chan-dongle aclocal autoconf automake -a ./configure make […]

localtunnel.me

https://localtunnel.me/ Localtunnel allows you to easily share a web service on your local development machine without messing with DNS and firewall settings. Localtunnel will assign you a unique publicly accessible url that will proxy all requests to your locally running webserver. You will receive a url, for example https://gqgh.localtunnel.me, that you can share with anyone […]

Linux Prozesse pausieren/fortfahren je nach produzierter Photovoltaik Sonnenenergie – Solar PV Controller KOSTAL PIKO 5.5

TL;DR Aktuell produzierte Watt von der PV Anlage (KOSTAL PIKO 5.5 Wechselrichter) auslesen und anhand der Werte Linux Prozesse steuern. Pause/Resume, bei GPGPU Servern ist der Wattverbrauch weitgehend frei steuerbar indem man die MHz Clock Speeds der GPU’s entsprechend anpasst. Langversion: Letztes Jahr (2015) hatte ich einen sehr ressourcenintensiven Serverprozess, der aber nicht rund um […]

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