Mosquitto post install

 

Mosquitto comes with a password file generating utility called mosquitto_passwd.

mosquitto_passwd -c /etc/mosquitto/passwd <user>

Ensure that the file is managed by the appropriate user and group.

chown mosquitto:mosquitto /etc/mosquitto/passwd

Now restart Mosquitto server.

systemctl restart mosquitto

The command below will show what ports are listening (look for *:1883 (LISTEN))

lsof -i -P -n | grep LISTEN

Out of space lvm on lxc container proxmox

 

# List LVM volumes for the container

lvs | grep vm-101

# Check the actual size and usage

lvdisplay /dev/pve/vm-101-disk-0

# Try to mount the container's rootfs temporarily to check space

mkdir -p /tmp/ct101-check

mount /dev/pve/vm-101-disk-0 /tmp/ct101-check

df -h /tmp/ct101-check

du -sh /tmp/ct101-check/* | sort -hr | head -20

# First, unmount the temporary mount

umount /tmp/ct101-check

# Resize the rootfs to 20GB (or 30GB if you plan to run many containers)

pct resize 101 rootfs 20G

# Now start the container

pct start 101

Quick use of spectral to check openapi templates

# Now install spectral

npm init -y
npm install -g @stoplight/spectral-cli

npm install --save-dev @stoplight/spectral-cli spectral-aws-apigateway-ruleset

spectral

# Create ruleset
echo 'extends: ["spectral:oas"]' > .spectral.yaml

# Check openapi template
spectral lint openapi-api.yaml