QNAP Entware opkg command not found

.bash_profile

# .bash_profile
# /share/CACHEDEV1_DATA/.qpkg/container-station/bin location of `docker`/ `docker-compose` binaries
# /opt/bin location where `opkg` binary is installed to.

export PATH=\
/bin:\
/sbin:\
/usr/bin:\
/usr/sbin:\
/usr/bin/X11:\
/share/CACHEDEV1_DATA/.qpkg/container-station/bin:\ 
/opt/sbin:\
/opt/bin:\ 
/usr/local/bin

umask 022

if [ -f ~/.bashrc ]; then
    source ~/.bashrc
fi

.bashrc

# ~/.bashrc: executed by bash(1) for non-login interactive shells.
# /share/CACHEDEV1_DATA/.qpkg/container-station/bin location of `docker`/ `docker-compose` binaries
# /opt/bin location where `opkg` binary is installed to.

export PATH=\
/bin:\
/sbin:\
/usr/bin:\
/usr/sbin:\
/usr/bin/X11:\
/share/CACHEDEV1_DATA/.qpkg/container-station/bin:\ 
/opt/sbin:\
/opt/bin:\ 
/usr/local/bin

# If running interactively, then:
if [ "$PS1" ]; then

    if [ "$BASH" ]; then
	export PS1="[\u@\h \W]\\$ "
    else
      if [ "`id -u`" -eq 0 ]; then 
	export PS1='# '
      else
	export PS1='$ '
      fi
    fi

    export USER=`id -un`
    export LOGNAME=$USER
    export HOSTNAME=`/bin/hostname`
    export HISTSIZE=1000
    export HISTFILESIZE=1000
    export PAGER='/bin/more '
    export EDITOR='/bin/vi'
    export INPUTRC=/etc/inputrc
    export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile
    export LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.png=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:';

    ### Some aliases
    alias ps2='ps facux '
    alias ps1='ps faxo "%U %t %p %a" '
    alias af='ps af'
    alias cls='clear'
    alias ll='/bin/ls -laFh'
    alias ls='/bin/ls -F'
    alias df='df -h'
    alias indent='indent -bad -bap -bbo -nbc -br -brs -c33 -cd33 -ncdb -ce -ci4 -cli0 -cp33 -cs -d0 -di1 -nfc1 -nfca -hnl -i4 -ip0 -l75 -lp -npcs -npsl -nsc -nsob -nss -ts4 '
    #alias bc='bc -l'
    alias minicom='minicom -c on'
    alias calc='calc -Cd '
    alias bc='calc -Cd '
fi;

utils.sh

# List all installed packages
# Also includes installer scripts
cat /etc/config/qpkg.conf
# @example
[Entware]
Name = Entware
Class = null
Status = complete
store = 3e1bd9e9a3f53c72460efdd7275f31c1
Build = 20200107
Display_Name = Entware-std
Version = 1.02
Author = zyxmon
QPKG_File = Entware.qpkg
Date = 2020-05-03
Shell = /share/CACHEDEV1_DATA/.qpkg/Entware/Entware.sh
Install_Path = /share/CACHEDEV1_DATA/.qpkg/Entware
RC_Number = 101
Enable = TRUE
Official = 0


# Install Git and other packages
# Use: Entware (the new, combined package)
# @example `opkg list`
# 1. Allow QNAP Club as repo
# App Store > Settings > Application repository > Store Url: https://www.qnapclub.eu/en/repo.xml > Done
# 2. Add `/opt/bin` to `PATH` @see `.bash{rc|_profile}` above.
# 3. Update repo/packages
opkg update
# 4. Upgrade
opkg upgrade



# Install custom packages
wget "https://url.tld/setup_file"
unzip "setup_file"
# Execute Shell installer
# @see `cat /etc/config/qpkg.conf` for examples from already installed packages
sh "setup_file"