Htop Launch, Install, and Startup Flags

sudo apt-get update && sudo apt-get install -y htop

# Install htop from APT repositories.

sudo dnf install -y htop

# Install htop with dnf.

sudo pacman -S htop

# Install htop with pacman.

htop

# Start the interactive process viewer.

htop -d 20

# Control refresh cadence from the command line.

htop -p 1,1234,5678

# Restrict the list to one or more specific processes.

htop -u www-data

# Start htop already filtered by user.

htop --sort-key=PERCENT_CPU

# Pick an initial sort key from the shell.

htop -t

# Show process hierarchy at launch.

htop --readonly

# Disable process-changing actions.

htop -C

# Use a plain monochrome display.

htop -t --sort-key=PERCENT_MEM

# Combine tree mode and sorting from the command line.

htop -p "$(pgrep -d, -f 'gunicorn|uvicorn')"

# Use PID filter for targeted monitoring of a service.

docker exec -it my-container htop

# Inspect processes visible inside the current container namespace.