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workshops:20200629_discussions
====== 29th June 2020 Discussion ====== Mick Mick had a crashed HDD: backup/recovery using TIMESHIFT rsync and supports btrfs after checking SMART system logs logs had shown it had used all available error sectors..... disk had no reserve 20% space that SSD's need. new LTSP Unix server project. remote access - reverse VNC session..... type this on the technical computer end.... 9:16 Mick vncviewer -listen port forward 5500 to your notebook through the home firewall On the CLIENT's machine type this: sudo apt-get --yes install x11vnc; x11vnc -connect sudo mlug-au.org ================================================================================= as a comparison to dwservice.net - reverse-vnc is POINT-to-POINT..... and could be wraped in an SSL encryption. ================================================================================= systemD auto-mounts for a variety of on-the-fly access situation. ================================================================================== NetFLIX would benefit from blackVPN but downloading Lathe manuals is no big deal ..... the data is encrypted so who would know..... ================================================================================== Rpi and brewing beer - Indian Pale Ales are the go. PS: after 10 years of fermentation, there is NO YEAST in Glenfiddich =================================================================================== Danny/Michael Unhappiness of using DOCKER but Mick has a trick of using a thin Debian 8 set of libraries with DOCKER to get a primitive set of old DOCKER tools up and running. useful for running a LEGACY system use this set of scripts to assist. https://pastebin.com/C9cuwp4g =================================================================================== Mick's weekend weather station project Hooking up sensors equally fun: DHT22 (temp/humidity), Light Sensors, Rain Sensors, WIFI (ESP8266), RTC, Magnet sensor, & BME680 for gas & such. https://www.altronics.com.au/p/z6502-dfrobot-dfr0091-3-wire-serial-128-x-64-lcd-module-for-arduino AJ uses: http://www.visualsynth.com/misc/?p=Rpi_OLED Jaycar waterproof boxes https://www.ebay.com.au/i/312760286280?chn=ps&norover=1&mkevt=1&mkrid=705-139619-5960-0&mkcid=2&itemid=312760286280&targetid=892923817136&device=c&mktype=pla&googleloc=9071314&poi=&campaignid=10101784967&mkgroupid=102311923580&rlsatarget=aud-786643580126:pla-892923817136&abcId=1145981&merchantid=7364522&gclid=Cj0KCQjwoub3BRC6ARIsABGhnyYJFcjMM7dO0VCFLQOwhL00_na_T2gkAQFkcrpkVbtDqBqQTp5slkEaAgx-EALw_wcB ================================================================================== Journal files need to be samller than the default 4GB!!! So set it down to something nice like 100M Change in /etc/systemd/journald.conf SystemMaxUse=100M /var/log/ =================================================================================== Bob - experience in having to rebuild his whole system after a disaster..... ANSIBLE scripts are the go, for rebuilding all your favourite tools again.... AND export your 'installed' packages to have a list of things to rebuild later.... My scripts to cheat off: https://github.com/map7/ansible_recipes SNAP FLATPAK https://medium.com/@uncertainquark/how-to-install-flatpak-apps-on-ubuntu-20-04-lts-6c3f632cc605 ==================================================================================== https://ubuntu.com/appliance OpenHAB huge range of supported equipment that can be interfaced https://www.openhab.org/ Danny PLEX Mick https://plex.tv ==================================================================================== Apple changing architecture - so what will be the ramifications of 'architectures' around the world..... even the impact on RPi for instance... https://www.apple.com/newsroom/2020/06/apple-announces-mac-transition-to-apple-silicon/ Cupertino, California — In a historic day for the Mac, Apple today announced it will transition the Mac to its world-class custom silicon to deliver industry-leading performance and powerful new technologies. https://www.parallels.com/au/products/desktop/http "across multiple OSes in a virtual machine for Mac" https://www.darlinghq.org/ Darling goes MAC to LINUX....... but is there a way of doing the reverse??? LINUX to MAC scenario...... Danny compiles everything JAVASCRIPT first and transfers.... Danny is compiling gcc code under LINUX .... into binaries to run under WINE (compile the assets under WINE) ==================================================================================== WINE runs a Windows app on Linux darlinghq runs a OSx app on Linux but what allows you to prepare an app ON a Linux, that is targeted for OS-x ? Mick suggests: https://github.com/tpoechtrager/osxcross WHAT IS THE GOAL OF OSXCROSS? The goal of OSXCross is to provide a well working OS X cross toolchain for Linux, FreeBSD, OpenBSD and Android (Termux). but will OSXCROSS support the transition the Mac to its world-class custom silicon Cross compiling Rust from Linux to macOS https://wapl.es/rust/2019/02/17/rust-cross-compile-linux-to-macos.html ==================================================================================== AJ query: text-to-Speech solutions anyone? 'Festival' from 2002! (SayText "hello dave, you don't want to do that dave") install male or female Amercian voices..... mbrola-en1mbro mbrola-us1 $ festival Festival Speech Synthesis System 2.5.0:release December 2017 Copyright (C) University of Edinburgh, 1996-2010. All rights reserved. clunits: Copyright (C) University of Edinburgh and CMU 1997-2010 clustergen_engine: Copyright (C) Carnegie Mellon University 2005-2017 hts_engine: All rights reserved. For details type `(festival_warranty)' festival> (SayText "hello dave, you don't want to do that dave") shared memfd open() failed: Function not implemented shared memfd open() failed: Function not implemented #<Utterance 0x7f721ff44830> festival> (SayText "hello dave, you really sound like SHIT") shared memfd open() failed: Function not implemented shared memfd open() failed: Function not implemented #<Utterance 0x7f722002c4f0> Danny's utilisation of GOOGLE TRANSLATE and then output as SPEECH is another solution. The simple solution: `#!/bin/bash say() { local IFS=+;/usr/bin/mplayer -ao alsa -really-quiet -noconsolecontrols " http://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&q=$*&tl=en "; } say $*` ========================================================== CRONTABS that push a VOICE MESSAGE Mick echo 'hello' | espeak AJ try espeak $ echo 'in promulgating your esoteric cogitations, beware of platidunious ponderosities' | espeak shared memfd open() failed: Function not implemented shared memfd open() failed: Function not implemented $ echo "hello dave, you don't want to do that dave" | espeak -p 10 -s 80 sh -p <integer> Pitch adjustment, 0 to 99, default is 50 -s <integer> Speed in words per minute, default is 160 ============================================================ This is an alternative to 'Hi Google' ...... https://mycroft.ai/ https://mycroft-ai.gitbook.io/docs/using-mycroft-ai/get-mycroft/picroft https://mycroft-ai.gitbook.io/docs/using-mycroft-ai/basic-commands Default Skills installed with Mycroft Alarms Hey Mycroft, set an alarm for two hours Hey Mycroft, set an alarm for 3pm ============================================================
workshops/20200629_discussions.txt
· Last modified: 2020/06/30 09:09 by
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