stafford williamslinux
determine which process is listening on a port
sudo netstat -ltnp | grep -w ':80'
docker disk usage
Find large directories
du -ah / | sort -h -r | head -n 20
Find containers using a given volume
docker ps -a --filter volume=<volume>
Remove container and its associated volume
docker rm -v container
See total volume, image, container space
docker system df
See space used per volume
docker system df -v
Remove dangling volumes from disk
docker volume prune
filesystem performance is slow
workaround
Prefer ~/ over /mnt when filesystem performance is needed
wsl uses all the ram
yolo
Force linux to drop the page cache
echo 1 | sudo tee /proc/sys/vm/drop_caches
limit memory assigned to WSL2 VM
Create a %UserProfile%\.wslconfig file
[wsl2]
memory=6GB
swap=0
localhostForwarding=true
increase number of open files
Running into EMFILE errors because too many files open? (looking at you npm i):
mylimit=8000
sudo prlimit --nofile=$mylimit --pid $$; ulimit -n $mylimit
su $USER
or
sudo prlimit -p "$$" --nofile=10000:10000
exec $SHELL
ulimit -n 10000
fix clock drift
WSL2 clock drifts if left open when Windows sleeps. Fix with:
sudo hwclock -s
sync time
Install ntpdate
sudo apt install ntpdate
Sync
sudo ntpdate time.windows.com