frojnd

# Generated by iptables-save v1.8.4 on Wed Apr 29 21:11:26 2020
*filter
:INPUT ACCEPT [17750:9299587]
:FORWARD DROP [290:18976]
:OUTPUT ACCEPT [19734:2075193]
:DOCKER - [0:0]
:DOCKER-ISOLATION-STAGE-1 - [0:0]
:DOCKER-ISOLATION-STAGE-2 - [0:0]
:DOCKER-USER - [0:0]
[290:18976] -A FORWARD -j DOCKER-USER

frojnd

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         192.168.2.2     0.0.0.0         UG    0      0        0 rndis0
192.168.2.0     *               255.255.255.0   U     0      0        0 rndis0

frojnd

function loop_through_tty {
	log_path="$HOME/logs"
	if [ ! -d "$log_path" ]; then
		mkdir $log_path
	fi
	while true
	do
		for i in $(find /dev/ |grep ttyUSB); do
			if [[ -z $(ps fax |grep picocom |grep $i |grep -v grep) ]]; then
				screen picocom -b 115200 -l $i --logfile $log_path/picocom${i##*/}.log

frojnd

$ sudo systemctl status tty-observer.service
● tty-observer.service - "Script looks for ttys and starts picocom for each tty"
   Loaded: loaded (/etc/systemd/system/tty-observer.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2020-04-03 14:30:40 CEST; 6s ago
  Process: 919 ExecStart=/usr/bin/screen -S picocom -d -m /usr/bin/start_picocom.sh (code=exited, status=0/SUCCESS)
 Main PID: 920 (screen)
    Tasks: 3 (limit: 4915)
   Memory: 2.1M
   CGroup: /system.slice/tty-observer.service
           ├─920 /usr/bin/SCREEN -S picocom -d -m /usr/bin/start_picocom.sh

frojnd

$ cat /etc/systemd/system/tty-observer.service 
[Unit]
Description="Script looks for ttys and starts picocom for each tty"
[Service]
Type=forking
ExecStart=screen -S picocom -d -m /usr/bin/start_picocom.sh
[Install]
WantedBy=multi-user.target

frojnd

## We start picocom every boot
function prepare_crontab {
	crontab_path="/var/spool/cron/crontabs"
	sudo echo "@reboot $HOME/work/start_picocom.sh" > "$crontab_path/$USER"
	sudo chown "$USER:crontab" $crontab_path/$USER
	sudo chmod 600 $crontab_path/$USER
}

prepare_crontab

frojnd

#!/bin/bash

function loop_through_tty {
	log_path="$HOME/logs"
	if [ ! -d "$log_path" ]; then
		mkdir $log_path
	fi
	while true
	do
		mapfile -t ttys_path < <(find /dev/ -name "ttyUSB*")

frojnd

compress
"/home/frojnd/picocom/picocomttyUSB*" {
   rotate 14
   dateext
   daily
   #size 10K
   #copytruncate
   postrotate
        /home/frojnd/work/picocom_postrotate.sh
   endscript

frojnd

	[, [[, acpid, add-shell, addgroup, adduser, adjtimex, arp, arping, ash,
	awk, base64, basename, beep, blkid, blockdev, bootchartd, brctl,
	bunzip2, bzcat, bzip2, cal, cat, catv, chat, chattr, chgrp, chmod,
	chown, chpasswd, chpst, chroot, chrt, chvt, cksum, clear, cmp, comm,
	conspy, cp, cpio, crond, crontab, cryptpw, cttyhack, cut, date, dc, dd,
	deallocvt, delgroup, deluser, depmod, devmem, df, dhcprelay, diff,
	dirname, dmesg, dnsd, dnsdomainname, dos2unix, du, dumpkmap,
	dumpleases, echo, ed, egrep, eject, env, envdir, envuidgid, ether-wake,
	expand, expr, fakeidentd, false, fbset, fbsplash, fdflush, fdformat,
	fdisk, fgconsole, fgrep, find, findfs, flock, fold, free, freeramdisk,

frojnd

asar
gconf
jq
libmagick6
python-brotlipy
python-flask-htmlmin
python-more-itertools
python2-more-itertools