Today I rebooted an Ubuntu 14.10 that was set up with LVM and encryption. It was unable to use the encrypted swapspace cryptswap1, which ultimately halted the boot procedure with a prompt (S for skip and M for manual resolution, i.e. single-user-mode prompt). The problem appears to be that the UUID (blkid) of the designated […]
Articles in Category "Technik"
Ubuntu 14.10 cryptswap1 With LVM Stops Working After Reboot
15. September 2015 in Administration, GNU/Linux.
Filtering and Rate-Limiting ICMPv6 on a GNU/Linux Server
25. Januar 2015 in Administration, GNU/Linux.
Introduction ICMP (Internet Control Message Protocol) in IPv6 is used for a variety of purposes. As opposed to IPv4, support for some of the applications of ICMP by nodes participating in an IPV6 network is mandatory. On the other hand, due to the security-relvant nature of some of the applications, where in IPv4 it may […]
Support For Multiple Languages in WordPress
28. Juli 2015 in Programmierung, Technik.
Introduction Foreign visitors have pointed out to me that they sometimes read my blog using translation functions in their their webbrowsing software, most notably „Google Translate“ which is directly built into Google Chrome. That translation function does a good job, but sometimes produces oddities, for example it attempts to translate my lastname, which is also […]
Die Panasonic DMC LX 100 …
11. Januar 2015 in Multimedia, Sonstiges, Technik.
… ist eine ziemlich Gute und dafür, dass sie eine Kompakte ist, ohne Übertreibung eine fantastische Kamera. Allerdings ist sie schwer zu bedienen, weil die Menüs und Betriebsmodi ziemlich … „futzelig“ sind. 🙂
POODLE-Angriff auf SSL 3.0 im Webbrowser verhindern
11. Januar 2015 in Technik.
Übersicht: Die Sicherheitslücke „POODLE“ kann ausgenutzt werden, wenn sowohl Client als auch Server das Protokoll SSL Version 3.0 unterstützen. Also kann der Abgriff verunmöglicht werden, indem man die Unterstützung am Client (in diesem Fall also am Webbrowser) deaktiviert. In Firefox: Adresse aufrufen: about:config Schlüssel suchen: security.tls.version.min Wert ändern von 0 auf 1 In Internet Explorer: […]
LibreOffice: Disable Typographic Quotes in Preformatted Text
7. Januar 2015 in Technik.
Just so that I will never forget it again, because this now has been the second time that I had to look it up: For a software manual, I made a paragraph style „Program Code“ that was derived from „Preformatted Text“. The first thing I tried typing in was 10 PRINT „HELLO WORLD“ 20 GOTO […]
Not Being Tracked by Functions In WordPress Core
1. September 2024 in Technik.
Install the plugin „Disable Google Fonts“ to disable the loading of „OpenSans“ from Google when using WP admin. The font brings no advantages over the standard appearance of WP admin. Note: „Disable Google Fonts“ is abandoned, and WordPress core apparently stopped loading fonts from Google. Install the plugin „Disable Emojis“ to disable the loading of […]
Utility to Generate Waveform JPG from CBR MP3
18. Dezember 2016 in GNU/Linux, Multimedia, Programmierung, Technik.
„waveform“ is a commandline utility for GNU/Linux, written in C, that takes a constant-bitrate (CBR) encoded MP3 file as input and generates waveform diagrams like this: