This script should download the 64-bit ngrok binary, convert it to a tcz
package and make it load on boot.
To use it, create a file 'ngrok_installer.sh' in your home directory
(/home/tc aka ~), paste the lines of the script into it, and make the
script executable (chmod +x ngrok_installer.sh).
Then simply run the script (./ngrok_installer.sh) and reboot.
Once the Pi reboots you can type 'which ngrok' to see if it has
installed. It should show a single entry '/usr/local/bin/ngrok'.
Everything else in the home directory should have been tidied up by the
script. The script itself will even have disappeared unless you did a
'backup' before rebooting.
Code:
--------------------
#!/bin/sh
# download ngrok and convert to installable package, so that the executable
is placed into /usr/local/bin
# setup some path shortcuts
packagename=ngrok
workingdir=~/$packagename
rootpath=$workingdir/usr/local/bin
tgz=~/$packagename.tgz
tcz=~/$packagename.tcz
# create folder structure
mkdir -p $rootpath
# fetch ngrok tgz - N.B. may need to check path to this file in case it
changes in the future
wget https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-arm64.tgz -O $tgz
# extract the ngrok executable into the required part of the folder structure
tar -x -f $tgz -C $rootpath
# download and load squashfs-tools
tce-load -w squashfs-tools.tcz
tce-load -i squashfs-tools.tcz
# create the ngrok package
mksquashfs $workingdir/ $tcz
# tidy up
rm $tgz
rm -Rf $workingdir/
# move the ngrok package to the tce/optional folder
TCEMNT="/mnt/$(readlink /etc/sysconfig/tcedir | cut -d '/' -f3)"
mv $tcz $TCEMNT/tce/optional
# add ngrok.tcz to tce/onboot.lst
sed -i '/^ngrok.tcz/d' $TCEMNT/tce/onboot.lst #remove all previous ngrok
entries, to make sure it's only listed once
echo $packagename.tcz >> $TCEMNT/tce/onboot.lst
--------------------
I've tested this on a fresh pCP install, and also on a machine where
ngrok was already installed, and seems to work ok. You don't need to
change any of the path variables at the start of the script, but if you
do, TAKE CARE, because in the 'tidy up' section of the script it will
recursively and silently delete everything in $workingdir/
This also worth keeping in mind if you DON'T change the path variables,
and you already have a folder called ~/ngrok. That will be GONE after
this script runs :)
------------------------------------------------------------------------
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