baumi's blog

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

Syncthing: force local network sync

A couple of years ago i set up an owncloud server for myself. While it’s nice for small amount of files, owncloud had some disturbing limitations. I tried syncing more than a million files, and it miserably failed. The search feature would take forever, etc … Also, you always need a server to be running. […]

Ubuntu 18.04 LTS not booting after update

SYMPTOMS / ERROR MESSAGE: sd-executor exit with status 1 systemd failed to open serialization file failed to fully start freezing system failed to insert module autofs4 CAUSE: Ubuntu is now using systemd and some services need read/write access, however the disk has only been mounted as ro (read-only). SOLUTION: Boot into upstart mode or use […]

Currency exchange rates Euro foreign exchange reference rates + historical data XML today: XML 90 days: XML since 1999:

Free historic stock data

1. Register free API key for 2. API documentation: 3. Download data: curl “” –output tsla.csv

LENOVO Thinkpad X1 Carbon 2018 (Gen6, G6) 20KHCTO1WW

AC Geekbench Result: (BIOS setting: max power, max power) Single Core Score: 5132 Multi-Core Score: 16230 Battery Geekbench Result (BIOS setting: battery optimized, thermal optimized) Single Core Score: 2508 Multi-Core Score: 9378

WPA3: What we know …

Press Release: Press Release analysis: RFC8110: Opportunistic wireless encryption 802.11ax Task Group Timelines: WPA3 Hardware news: — What WPA is based on: gives a list (i have added links where available): –Harkins, D. and W. Kumari, “Opportunistic Wireless Encryption”, RFC 8110, March 2017 –IEEE 802.11-2016 –Harkins, […]

Linux toolchain test builds (e.g. gcc versions) This might be required for VMware workstation 12, 14, … If you see vmware suck at “Waiting for connection”, try running “sudo vmware” this did fix it for me and others. (Source:

Linux on LENOVO Thinkpad Carbon X1 2018 G6 Gen6 6th Gen (hiDPI changes, BIOS upgrade, Spectre/Meltdown, synaptics touchpad driver, wifi, etc.)

Login Screen: i don’t want the hidpi scaling here, because it’s getting to big, thus: sudo vi /usr/share/glib-2.0/schemas/org.gnome.desktop.interface.gschema.xml change 0 to 1 Touchpad / Trackpad I’m using the synaptics driver, same settings as with my T450s. I had to disable the Trackpoint in BIOS to make it work, please have a look on Arch Wiki […]

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