Month: May 2020

Aurora (novel)

Jovan Stosic May 24, 2020

Aurora is a 2015 novel by American science fiction author Kim Stanley Robinson. The novel concerns a generation ship built in the style of a Stanford torus traveling to Tau Ceti in order to begin a human colony. The novel’s primary narrating voice is the starship’s artificial intelligence. The novel was well received by critics.

https://en.wikipedia.org/wiki/Aurora_(novel)

Aurora (novel) was last modified: May 24th, 2020 by Jovan Stosic

xenophobia

Jovan Stosic May 23, 2020

…
Concise Oxford English Dictionary
xenophobia
■ noun intense or irrational dislike or fear of people from other countries.

xenophobe noun
xenophobic adjective
…
EngMac
xenophobia
ксенофобија; n. ксенофобија, омраза кон странци; омраза кон странци; ксенофобија, омраза, страв
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English-Serbian dictionary
Xenophobia
Ksenofobija
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Merriam-Webster Collegiate® Dictionary
xe·no·pho·bia
Pronunciation: ˌze-nə-‘fō-bē-ə, ˌzē-
Function: noun
Etymology: New Latin
Date: 1903

: fear and hatred of strangers or foreigners or of anything that is strange or foreign

xenophobia was last modified: May 23rd, 2020 by Jovan Stosic

Boletus pinophilus

Jovan Stosic May 23, 2020

Boletus pinophilus, commonly known as the pine bolete or pinewood king bolete, is a basidiomycete fungus of the genus Boletus found throughout Europe. For many years, Boletus pinophilus was considered a subspecies or form of the porcini mushroom B. edulis. In 2008, B. pinophilus in western North America were reclassified as a new species, Boletus rex-veris. Boletus pinophilus is edible, and may be preserved and cooked.

The fungus grows predominantly in coniferous forests, forming symbiotic ectomycorrhizal associations with living trees by enveloping the tree’s underground roots with sheaths of fungal tissue. The fungus produces spore-bearing fruit bodies above ground in summer and autumn. The large, edible fruiting bodies known as mushrooms appear under pine trees, generally in summer and autumn. It has a matte brown to maroon-coloured cap and its stem is often large and swollen, and the overall colour may have an orange-red tinge. As with other boletes, the size of the fruiting body is variable.

https://en.wikipedia.org/wiki/Boletus_pinophilus

Boletus pinophilus was last modified: May 23rd, 2020 by Jovan Stosic

Boletus reticulatus

Jovan Stosic May 23, 2020

Boletus reticulatus (formerly known as Boletus aestivalis (Paulet) Fr.), and commonly referred to as the summer cep is a basidiomycete fungus of the genus Boletus. It occurs in deciduous forests of Europe where it forms a symbiotic mycorrhizal relationship with species of oak (Quercus). The fungus produces fruiting bodies in the summer months which are edible and popularly collected. The summer cep was formally described by Jacob Christian Schäffer as Boletus reticulatus in 1774, which took precedence over B. aestivalis as described by Jean-Jacques Paulet in 1793.

https://en.wikipedia.org/wiki/Boletus_reticulatus

Boletus reticulatus was last modified: May 23rd, 2020 by Jovan Stosic

Crontab Day of the Week syntax

Jovan Stosic May 23, 2020

0 and 7 both stand for Sunday, you can use the one you want, so writing 0-6 or 1-7 has the same result.

Also, as suggested by @Henrik, it is possible to replace numbers by shortened name of days, such as MON, THU, etc:

0 - Sun      Sunday
1 - Mon      Monday
2 - Tue      Tuesday
3 - Wed      Wednesday
4 - Thu      Thursday
5 - Fri      Friday
6 - Sat      Saturday
7 - Sun      Sunday

Graphically:

 ┌────────── minute (0 - 59)
 │ ┌──────── hour (0 - 23)
 │ │ ┌────── day of month (1 - 31)
 │ │ │ ┌──── month (1 - 12)
 │ │ │ │ ┌── day of week (0 - 6 => Sunday - Saturday, or
 │ │ │ │ │                1 - 7 => Monday - Sunday)
 ↓ ↓ ↓ ↓ ↓
 * * * * * command to be executed

Finally, if you want to specify day by day, you can separate days with commas, for example SUN,MON,THU will exectute the command only on sundays, mondays on thursdays.

https://stackoverflow.com/questions/18919151/crontab-day-of-the-week-syntax

Crontab Day of the Week syntax was last modified: May 23rd, 2020 by Jovan Stosic

How to see time stamps in bash history?

Jovan Stosic May 23, 2020 
HISTTIMEFORMAT="%d/%m/%y %T "  # for e.g. “29/02/99 23:59:59”
HISTTIMEFORMAT="%F %T "        # for e.g. “1999-02-29 23:59:59”

To make the change permanent for the current user run:

echo 'HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.bashrc  # or respectively
echo 'HISTTIMEFORMAT="%F %T "' >> ~/.bashrc
source ~/.bashrc

To test the effects run:

history

https://askubuntu.com/questions/391082/how-to-see-time-stamps-in-bash-history

How to see time stamps in bash history? was last modified: May 23rd, 2020 by Jovan Stosic