baumi's blog

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

Know-How / Wissenswertes

Günstige Bankkonten für Privat und Firma (GmbH)

In Österreich ist es noch garnicht so einfach, günstige Konten zu bekommen, besonders für GmbHs. Für Einzelunternehmer gibt es zahlreiche Angebote, für GmbHs wird die Auswahl schnell eng (entweder weil Körperschaften vom Angebot ausgeschlossen sind, oder weil nur GmbHs in Deutschland akzeptiert werden). Aufgrund der Recherche der letzten 2 Jahre hier meine Empfehlungen: Privat – […]

IPv6 leaks, DNS leaks, OpenVPN, IPSEC, L2TP

Test for DNS and IPv6 leaks: (shows your VPN IPv4 address *and* leaked IPv6, if applicable) Prevent DNS leaks: add “redirect-gateway def1” to your openvpnclient.conf file … Prevent IPv6 leaks (i.e. temporarily disable IPv6): sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.wlp2s0.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 China VPN: […]

LinPhone VOIP client softphone: Importing SIP contacts from Google Contacts via commandline using PHP on GNU/Linux

The following command will add contact “Demo” to your linphone contact database using sqlite3: sqlite3 ~/.var/app/com.belledonnecommunications.linphone/data/linphone/friends.db “INSERT INTO friends (friend_list_id, sip_uri, subscribe_policy, send_subscribe, ref_key, vCard, vCard_etag, vCard_url, presence_received) VALUES (1, ‘’, 1, 0, NULL, ‘BEGIN:VCARD’ || char(10) || ‘VERSION:4.0’ || char(10) || ‘’ || char(10) || ‘FN:Demo’ || char(10) || ‘IMPP:sip:+4366412346567@’ || char(10) || ‘END:VCARD’, […]

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. […]

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

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