Install Then the one-liner will work: curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/install.sh | sh ------------------------------------------------------------------------------------------------------------------------------------------ Test run (dry run) # Test script syntax sh -n /root/carvpn/install.sh # Simulate install (uses existing binary) cd /tmp && curl -fsSL "https://dl.cartech.one/dl/CAR%20VPN/linux/carvpn" -o carvpn && ls -la carvpn ------------------------------------------------------------------------------------------------------------------------------------------ # Uninstall (keeps config/data for reinstall) curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/uninstall.sh | sh ------------------------------------------------------------------------------------------------------------------------------------------ # Uninstall and remove all config and data curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/uninstall.sh | sh -s -- --purge ------------------------------------------------------------------------------------------------------------------------------------------ # Update to latest binary curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/update.sh | sh ------------------------------------------------------------------------------------------------------------------------------------------ # Update to a specific version curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/update.sh | sh -s -- --version 0.66.2.8 ------------------------------------------------------------------------------------------------------------------------------------------ # Via environment variable CARVPN_RELEASE=0.66.2.8 curl -fsSL https://dl.cartech.one/dl/CAR%20VPN/linux/update.sh | sh ------------------------------------------------------------------------------------------------------------------------------------------