ποΈ - 2020-04-11
As I mentioned when I upgraded my
server to Debian 10
(buster), the version of radicale included no
longer supports calendar (.ics) files with more than one event. Instead
each event is supposed to be in a file by itself, the file name being
the UID of the event.
I have finally taken the time to write a little program that will take
one of the .ics-files I used to use, and splits it out to a file per
event.
Getting around to that took me, what, ΒΎ of a year? Oh well, here is is:
#!/usr/bin/perl
# split_ics - take an .ics file and a directory and write a file per event
# Copyright (C) 2020 by Adam SjΓΈgren <asjo@koldfront.dk> Under the GPLv2.
use strict;
use warnings;
use utf8;
use v5.12;
use Data::ICal;
use File::Slurp;
my $ics_file=$ARGV[0];
my $dir=$ARGV[1];
my $ics_data=File::Slurp::read_file($ics_file, { binmode=>':utf8' });
my $input=Data::ICal->new(data=>$ics_data);
foreach my $event (@{$input->entries}) {
my $uid=$event->property('UID');
my $filename=$dir . '/' . $uid->[0]->value;
my $calendar=Data::ICal->new();
$calendar->add_entry($event);
open my $fh, '>:utf8', $filename || die $!;
print $fh $calendar->as_string;
close $fh;
}
The only tricky part was avoiding the Data::ICal-module splitting
lines in the middle of multi-octet utf-8 characters.
A tip: you can run radicale --verify-storage to have any problems with
the generated files reported. Do remember to run it as the radicale
user, though.
ποΈ - 2020-03-27
If the whole thing is kind of dragging you down, don't you know, men
brighter than I habitually recommend a dosis of P.G.
Wodehouse.
I have to say that I find his Jeeves stories the most fetching. The
television series starring Hugh Laurie
and Stephen Fry are positively
excellent.
In case you are less visually inclined and prefer a great narrator to
provide your ears with relief, I can wholeheartedly recommend the great
Jonathan Cecil's
performances. They are nothing less than brilliant.
What ho!
π€οΈ - 2020-03-11
Due to
SARS-CoV-2
precautions, the concert at Store
Vega was split in
two - an early show and a late show.
I saw the early show - arrived fashionably around 30 seconds before the
band went on stage - and it was good. Low key, sincere, concentrated and
indie - good.
If Big Thief's tour passes by where you
are: recommended.
Where you sometimes think that the heavy metal folks have their guitars
so low it must be uncomfortable, Big Thief have them so high you almost
think the same.
π¦οΈ - 2020-02-26
If you have a Linux machine as an NFS server, and you reach some high
number of clients, you may see warnings in dmesg along the lines of:
nfsd: too many open connections, consider increasing the number of threads
If you use the error message to search for solutions online, you'll find
plenty of explanations saying that you should change the RPCNFSDCOUNT
variable in, e.g. /etc/default/nfs-kernel-server on a Debian-based
machine.
Sometimes the guides will tell you to restart the
nfs-kernel-server-service, but alas, that won't take effect (at least
not immediately(?)) Sometimes the suggestion is then to reboot the
machine.
Besides being ugly, that might not be convenient, if - say - a whole lot
of machines depend on the NFS mount (which is how we got here in the
first place!)
I've now found the solution twice, and this time, I am writing it down!
To change the number of nfsd threads to e.g. 16, you run the command:
# rpc.nfsd 16
The change won't persist a reboot, so you'll still have to change the
RPCNFSDCOUNT variable, but it will take effect immediately. The number
you specify is the desired total number of nfsds.
You can check the number using ps faux | grep [n]fsd | wc -l or
looking at the first number in grep ^th /proc/net/rpc/nfsd.
π£οΈ - 2020-01-28
I guess there are only a couple of days left until the United Kingdom
leaves the European Union.
I am not quite sure what will happen to buying things online in the UK
from "over here" in "Europe", but I suppose there will be taxes and
fees to pay galore.
Too bad - I really liked buying all kinds of interesting pens at
Cultpens, a company with a wide range of
products and good service!
Another company I will miss ordering from is The Keyboard
Company - I have bought 4 or 5 keyboards
from them, they carry a nice range of products and they are proactive (I
once ordered a combination of keyboard and replacement keys that didn't
quite make sense, and they promptly warned me).
There are many things about the EU I am not especially impressed by, but
my overall feeling now is that it makes more sense to work to improve
it, than to dismantle it.
ποΈ - 2020-01-12
The news is currently full stories about the extensive fires on the
Australian continent. Lots of huge numbers are flung around, left and
right. One of them is the number of animals that have died due to the
fires, which has been reported at an estimated half a billion, a whole
billion, and lately one and half billion animals.
I have heard that Australia is huge, but that number is also quite
large, especially when combined with pictures of the odd, sorry looking
burned koala. My first thought was "are they including some kinds of
insects?!"
Luckily the latest episode of the BBC programme "More or
Less", which looks at
statistics, starts with a story about where the number comes from and
some discussion of how accurate it might be.
Take a listen: More or Less: Australian Animal Deaths, Carbon
Emissions, Election
Mystery.
