Linux

Folder sizes
Ports in use
apps

Folder sizes

du -h --max-depth=1 .

1.3G    ./usr
4.0K    ./media
4.0K    ./tmp
4.0K    ./opt
280M    ./app
1.7G    .

Ports in use

sudo lsof -i -P -n | grep LISTEN

systemd-r  156 systemd-resolve   14u  IPv4  25682      0t0  TCP 127.0.0.53:53 (LISTEN)
systemd-r  156 systemd-resolve   16u  IPv4  25684      0t0  TCP 127.0.0.54:53 (LISTEN)
node       918             rav   19u  IPv4  19246      0t0  TCP 127.0.0.1:46045 (LISTEN)
docker-pr 6468            root    4u  IPv4  95626      0t0  TCP *:8081 (LISTEN)
docker-pr 6475            root    4u  IPv6  95631      0t0  TCP *:8081 (LISTEN)
docker-pr 6491            root    4u  IPv4  94862      0t0  TCP *:5023 (LISTEN)
docker-pr 6497            root    4u  IPv6  92155      0t0  TCP *:5023 (LISTEN)
docker-pr 6513            root    4u  IPv4  97550      0t0  TCP *:5024 (LISTEN)
docker-pr 6521            root    4u  IPv6  85870      0t0  TCP *:5024 (LISTEN)

apps

htop
btop

GIT