7-Day Week, 6-Day Week, 5-Day Week, Soviet Calendar

In the year 2010 I read Martin Varsavsky’s blog entry on The 6 Day Week by Carlos Varsavsky. In this post Martin Varsavsky states his father, born in 1933, proposed the 6-day week, i.e., work 4 days and rest 2 days. To cope for the reduced productivity, it is proposed to interleave the 6-day week for different groups of people in the country. Continue reading

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Setting-Up LUKS/dm-crypt for External USB-Drive

The following commands are used to encrypt the whole USB hard-drive. This hard-drive is assumed to be on /dev/sdc. Create one partition. One can use gparted for this. Then

cryptsetup luksFormat /dev/sdc1

luksFormat is only used once.

To make this encrypted drive available as device on /dev/mapper use

cryptsetup luksOpen /dev/sdc1 SeagatePortable

Continue reading