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adds readme for label-printer

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Jed Reynolds
2020-10-13 23:35:21 -07:00
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**label-printer.py**
This is a small python webserver intended to run on a testing network resource where the `lf_kinstall.pl` script can post build machine information to. A useful place to install this script would be on an APU2 being used as a VPN gateway.
Use these commands to install **LaTeX** and **html2ps**:
`apt install perlmagick libwww-perl libhtml-parser-perl libpaper-utils ghostscript weblint-perl texlive-base postscript-viewer xhtml2ps html2ps`
Consider these commands to install printer drivers:
**Dymo LabelWriter-450:**
`apt install printer-driver-dymo`
**Brother QL-800:**
`$ sudo apt install brother-cups-wrapper-common brother-cups-wrapper-extra brother-lpr-drivers-common brother-lpr-drivers-extra`
​ Download drivers here:
​ https://support.brother.com/g/b/downloadtop.aspx?c=us&lang=en&prod=lpql800eus
​ install driver using:
`$ sudo dpkg -i dymo*.dpkg`
Use these commands to install the script:
$ sudo cp label-printer.py /usr/local/bin
$ sudo chmod a+x /usr/local/bin/label-printer.py
$ sudo cp label-printer.service /lib/systemd/system
$ sudo systemctl add-wants multi-user.target label-printer.service
$ sudo systemctl daemon-reload
$ sudo systemctl restart label-printer.service
At this point, if you use `ss -ntlp` you should see this script listening on port 8082.
If you are running `ufw` on your label-printer host, please use this command to allow
traffic to port 8082:
`$ sudo ufw allow 8082/tcp`
`$ sudo ufw reload`
**Using kinstall to print labels:**
Dymo LabelWriter:
`$ ./lf_kinstall.pl --print-label http://192.168.9.1:8082/ --printer LabelWriter-450`
Brother QL-800:
`$ ./lf_kinstall.pl --print-label http://192.168.9.1:8082/ --printer QL-800`
Note that the QL-800 printer driver installs an *example* printer queue named **QL800** which is misleading. Please ignore that. When the printer is plugged in, a **QL-800** printer queue will be created, which is the true queue to print to.