how do i attach proot verbose 9 logs

[jindamvani]

• i dont know where should i > /sdcard/proot-log-opensuse.txt 2>&1
• my commands
  $ proot-distro login opensuse
Xvfb :1 -screen 0 1920x1080x24 &
x11vnc -xkb -noxrecord -noxfixes -noxdamage -display :1 -nopw -wait 5 -shared -permitfiletransfer -tightfilexfer -noshm &
DISPLAY=:1 startxfce4 &
• how do i make it permanent?