I use tags to categorize blog posts.

obnam74
debian55
announcement42
rant41
in-finnish38
idea28
finnish-politics25
linux19
personal18
programming18
btree13
productivity13
planet-debian12
backups10
politics9
gnome8
python8
ubuntu8
wishlist8
freedom7
larch6
note-to-self6
dimbola5
gtd5
presentation5
privacy5
tip5
anecdote4
announce4
baserock4
noir4
photography4
tddd4
usability4
benchmark3
bug-tracking3
cliapp3
conference3
distix3
free-software3
gtdfh3
hack3
ick3
meta3
opinion3
talk3
travel3
trunktees3
vmdebootstrap3
anonymity2
books2
debconf102
debug2
elsewhere2
fosdem2
freedombox2
git2
gpg2
history2
humour2
ikiwiki2
kvm2
lca20102
mdadm2
qvarn2
sd2
summain2
survey2
testing2
ttystatus2
unix2
yakking2
2561
advertisment1
amazon1
analogy1
announcment1
art1
backup1
barcode1
bash1
birthday1
bittorrent1
branchable1
calendar1
cmdtest1
code.liw.fi1
community1
content1
continuous-integration1
cooking1
copyright1
coverage1
creative-commons1
decorum1
discard1
discourse1
effi1
ekey1
electric-car1
enemies-of-carlotta1
errno1
finland1
funny1
gdpr1
gedit1
genbackupdata1
gitano1
github1
irc1
irony1
journal1
kickstarter1
koha1
libraries1
lru1
luks1
maria-eveliina1
markdown1
minipc1
moreutils1
movie1
new-zealand1
pam1
patreon1
performance-art1
philosophical1
piracy1
piuparts1
profiling1
pull-request1
python-fstab1
qemu1
quote1
qvisqve1
reddit1
research1
router1
rsync1
secuity1
seivot1
sfc1
software-engineering1
sofware-development1
sports1
ssd1
startups1
success1
sysadmin1
system-administration1
system-cleaner1
systest1
t-shirt1
ticketing-systems1
tv1
u2f1
vision1
vmdb21
work1
workflow1
yarn1
yubikey1
draft0
hacker-noir0
person0