32bit UEFI Boot on an Intel Baytrail Tablet

30. Januar 2015 in GNU/Linux.

Acer Switch 10 (SecureBoot disabled) loading the experimental Debian Installer for 32bit UEFI Boot by Steve McIntyre ([ISO]). So far so good, but the Linux itself has only limited driver support, for example, the keyboard of the docking station does not work (a separately attached USB keyboard does work). Wireless network does not work either. […]

Ubuntu 14.10 cryptswap1 With LVM Stops Working After Reboot

15. September 2015 in Administration, GNU/Linux.

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 […]

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 Programming, Technology.

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 […]