Wiki source code of Monitor & Remote Access Gateway

Version 30.4 by Xiaoling on 2022/07/14 11:09

version	line-number	content
30.2	1	Table of Contents:
25.6	2
1.1	3	{{toc/}}
	4
25.6	5
	6
25.7	7
30.2	8	= 1. Monitor Gateway =
1.1	9
30.2	10	== 1.1 Introduction ==
1.1	11
30.2	12
1.1	13	This introduction shows how to use a script to monitor the gateway. The video link for this instruction is: [[https:~~/~~/youtu.be/8PieIwfSF_g>>url:https://youtu.be/8PieIwfSF_g]]
	14
29.2	15	[[image:image-20220531155018-18.png]]
1.1	16
8.3	17
1.1	18
30.2	19	== 1.2 Steps ==
	20
	21
1.1	22	* Create account in ThingsSpeak and creat channel.
	23	* Download script from dragino site and move it to properly directory
	24
	25	(% class="box infomessage" %)
	26	(((
	27	root@dragino-1baf44:~~# wget [[http:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/LPS8/Firmware/customized_script/monitor_gateway.sh>>url:http://www.dragino.com/downloads/downloads/LoRa_Gateway/LPS8/Firmware/customized_script/monitor_gateway.sh]]
	28	Downloading '[[http:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/LPS8/Firmware/customized_script/monitor_gateway.sh'>>url:http://www.dragino.com/downloads/downloads/LoRa_Gateway/LPS8/Firmware/customized_script/monitor_gateway.sh']]
	29	Connecting to 162.241.22.11:80
	30	Writing to 'monitor_gateway.sh'
	31	monitor_gateway.sh 100% \|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*\| 1860 0:00:00 ETA
	32	Download completed (1860 bytes)
	33	root@dragino-1baf44:~~# chmod +x monitor_gateway.sh;mv monitor_gateway.sh /usr/bin/
	34	root@dragino-1baf44:~~#
	35	root@dragino-1baf44:~~#
	36	)))
	37
	38	* change the script monitor_gateway.sh with properly users setting:
	39
	40	(% class="box infomessage" %)
	41	(((
	42	USER='xxxxx' # user name in your thinkspeak ~-~-> Profile
	43	PASS='xxxxx' #MQTT_API_KEY in your thinkspeak ~-~-> Profile
	44	CHAN_ID='xxxx' #Channel ID of the channel for this gateway
	45	CHAN_KEY='xxxxx' #Channel Write API of the channel for this gateway
	46	)))
	47
	48	* run /usr/bin/monitor_gateway.sh to test if upload is good.
	49
	50	* Add monitor_gateway.sh to cron work /etc/crontabs/root to make this script runs perdiocally, below is an example to update every 20 minutes
	51
	52	(% class="box infomessage" %)
	53	(((
7.1	54	# For details see man 4 crontabs
1.1	55	# Example of job definition:
	56	# .~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- minute (0 - 59)
	57	# \| .~-~-~-~-~-~-~-~-~-~-~-~-- hour (0 - 23)
	58	# \| \| .~-~-~-~-~-~-~-~-~-~- day of month (1 - 31)
	59	# \| \| \| .~-~-~-~-~-~-- month (1 - 12) OR jan,feb,mar,apr ...
	60	# \| \| \| \| .~-~-~-~- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
	61	# \| \| \| \| \|
	62	# * * * * * user-name command to be executed
	63	#/10 * * * checklog
	64	~* 23 * * * /etc/init.d/auto_update start
2.1	65	/20 * * * /usr/bin/monitor_gateway.sh
1.1	66	)))
	67
	68	* Reboot device.
	69
29.3	70
	71
30.2	72	== 1.3 Monitor Public IP ==
8.2	73
30.2	74
1.1	75	The monitor_gateway.sh has been updated to upload the public ip of the device as well.
	76
	77	User can find the public ip in field7, the chart is not able to show the complete public ip, user can check that in the export.
	78
10.2	79	[[image:image-20220531145559-2.png]]
1.1	80
	81	Find Public IP
	82
	83
	84
30.2	85	= 2. Remote Access =
1.1	86
30.2	87	== 2.1 Remote Access via Remote.it. ==
1.1	88
30.2	89
1.1	90	Remote.it for remote access is available in the latest Dragino firmware for gateway. For security concern, the remote.it only available base on end user demand.
	91
	92
30.2	93	(% style="color:red" %)Important Notice:
	94
1.1	95	* Remote.it access will give full control of your device to remote support.
	96	* The Remote.it allow Dragino Support to remote access to the device, If user want to access himself, it need to sign up for an remote.it account.
	97
30.2	98	For how to use remoteit, please see : [[Remoteit user instruction for Dragino Gateway>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=Dragino-Remoteit_User_Manual.pdf]].
1.1	99
	100
30.2	101	== 2.2 RSSH Introduction ==
1.1	102
2.1	103	Reverse SSH for remote access is available in the latest Dragino firmware for gateway. For security concern, the RSSH only available base on end user demand.
1.1	104
2.1	105	Important Notice:
1.1	106
2.2	107	(% class="box warningmessage" %)
2.1	108	(((
	109	RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
	110	This RSSH allow Dragino Support to remote access to the device, If user want to access himself, he need to set up the RSSH server himself.
	111	)))
	112
	113	Below gateway support reverse SSH access:
	114
4.1	115	* Firmware Version > lgw~-~-build-v5.4.1618196981-20210412-1111 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
2.1	116	* LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
	117	* LG02, OLG02
	118	* LG308, DLOS8
	119	* LPS8
	120	* LIG16
	121	* MS14 series if installed with the same firmware.
	122
30.3	123
	124
	125
30.4	126	=== 2.2.1 End User Guide to use SSH access ===
9.5	127
30.4	128
4.1	129	Go to this the Reverse SSH page as below:
1.1	130
11.2	131	[[image:image-20220531150151-3.png]]
1.1	132
4.1	133	Get the RSSH configure page
1.1	134
11.3	135
	136
12.2	137	[[image:image-20220531150338-4.png]]
1.1	138
4.1	139	Connection OK.
	140
12.2	141
30.4	142	* (% style="color:#037691" %)Login ID(%%): Input sshuser
	143	* (% style="color:#037691" %)Host Address(%%): Input support.dragino.com
	144	* (% style="color:#037691" %)Host Port (%%): Please email to support @ dragino.com to get a valid host port.
12.3	145	* (% style="color:#037691" %)Connect at Startup(%%) : Choose to enable connect once the device is powered.
30.4	146	* (% style="color:#037691" %)Network Keys(%%): Click the Generate keys to generate the keys and download / mail it to Dragino support so Dragino can prepare the remote access to
4.1	147
	148	After doing above, please download and mail the public keys to Dragino support and wait for our mail for the valid host port. Input the valid host port got from our support and click connect so we can remote access to your gateway.
	149
5.1	150
9.8	151	=== 2.2.2 Set Up RSSH Server ===
5.1	152
5.2	153	Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
5.1	154
	155
28.1	156	==== 2.2.2.1 Step 1 : Download the SSH service code ====
9.7	157
5.1	158	1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
	159
13.2	160	[[image:image-20220531150750-5.png]]
5.1	161
	162	2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
	163
14.2	164	[[image:image-20220531150811-6.png]]
5.1	165
	166
	167	Debug :
	168
14.3	169	(((
	170	(% class="box" %)
	171	(((
	172	if you git fail. ~-~-> (% style="color:#037691" %)sudo: git: command not found(%%).
	173	please install git. ~-~-> (% style="color:#037691" %)yum install git -y or apt-get install git -y(%%).
	174	if you make error 127,it (% style="color:#037691" %)lack of gcc(%%).
	175	please install gcc. ~-~-> (% style="color:#037691" %)yum install gcc(%%).
	176	)))
	177	)))
5.1	178
15.2	179	[[image:image-20220531151516-7.png]]
5.1	180
	181
15.2	182	(((
	183	(% class="box" %)
	184	(((
	185	if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)lack of sqlite3(%%).
	186	please insatell sqlite3.
	187	)))
	188	)))
5.1	189
16.2	190	[[image:image-20220531151628-8.png]]
5.1	191
	192
5.2	193	How to install Sqlit3
5.1	194
5.2	195	(% class="box infomessage" %)
	196	(((
	197	Step1:Download the SQLit3 installation package
16.4	198	sudo wget [[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]
	199
5.2	200	Step2:tar the SQLit3 installation package
5.1	201	sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
5.2	202	Step3:Generate the makefile
5.1	203	cd sqlite-autoconf-3350300/;./configure
5.2	204	Step4:Compile makefile
5.1	205	sudo make
5.2	206	Step5:Install makefile
5.1	207	sudo make install
5.2	208	Check:
	209	cd /usr/local/bin;ls -al ~-~-> Check to see if there is a file for sqlite3
	210	cd sqlite-autoconf-3350300/;./sqlite3 test.db ~-~-> Test whether the sqlite3 was installed successfully
	211	debug:
5.1	212	If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
	213	Please execute the command /sbin/ldconfig.
	214	After that execute the command ./sqlite3 test.db again.
5.2	215	)))
	216
	217
28.1	218	==== 2.2.2.2 Step 2 : Install and run the RSS service ====
5.2	219
	220	1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
	221
	222	user must enter the root account and run the following commands
	223
	224	(% class="box infomessage" %)
	225	(((
16.3	226	$ ./create_sqlite3_db.sh
5.2	227	$ ./rssh_serv -p 3721 2>&1 &
	228	$ ps -ef \| grep rssh_serv check 3721 port
	229	)))
	230
18.2	231	[[image:image-20220531151958-10.png]]
5.2	232
	233
	234	Debug:
	235
	236	{{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
	237	Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
5.1	238	}}}
	239
5.2	240	{{{ if fail to open dpvlry or to bind to it
	241	please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
	242	}}}
5.1	243
5.2	244
	245
28.1	246	==== 2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway) ====
5.2	247
	248	(% class="box infomessage" %)
	249	(((
	250	1):sudo useradd XXXXX (custom user name)
	251	2):sudo passwd xxxxxx
	252	3):cp /bin/bash /bin/rbash
	253	4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
	254	5):sudo nano /home/xxxxx/.bashrc empty it,and input export PATH=$HOME/bin
	255	6):sudo nano /home/xxxxx/.bash_profile empty it,and input export PATH=$HOME/bin
	256	)))
	257
	258	Now user "XXXXX" is the user with limited permissions of the current system
	259
7.1	260
18.3	261
28.1	262	==== 2.2.2.4 Step 4 : Create an authorization key file ====
7.1	263
	264	1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
	265
	266	Debug:
	267
	268	{{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
	269
	270
	271
27.1	272	=== 2.2.3 How does user get the gateway to connect to a user's private server ===
5.2	273
	274
28.1	275	==== 2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key ====
9.9	276
19.3	277	1)in the system ~-~-> (% style="color:#037691" %)Remote Mgmt/span
5.2	278
19.2	279	[[image:image-20220531152419-11.png]]
5.2	280
	281
28.1	282	==== 2.2.3.2 Step 2 : Authorization server ====
5.2	283
7.1	284	Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
5.2	285
20.2	286	[[image:image-20220531152549-12.png]]
5.2	287
	288
28.1	289	==== 2.2.3.3 Step 3 : Connect private server ====
5.2	290
7.1	291	This is same as connect Dragino Support Server but just change the server address to customize server address.
5.2	292
21.2	293	[[image:image-20220531152633-13.png]]
5.2	294
	295
	296
28.1	297	==== 2.2.3.4 Step 4 : Check Connection ====
5.2	298
	299	Rssh Host connection Ok
	300
22.2	301	[[image:image-20220531152815-14.png]]
5.2	302
	303
7.1	304	User can use common ps \| grep ssh to check it in the gateway.
5.2	305
23.2	306	[[image:image-20220531152840-15.png]]
5.2	307
	308
28.1	309	==== 2.2.3.5 Step 5 : Access the gateway from customized server ====
5.2	310
7.1	311	Check what gateways link to server.
5.2	312
24.2	313	(% class="box infomessage" %)
	314	(((
7.1	315	$ ./connect-gw.sh -l
24.2	316	)))
5.2	317
24.2	318	[[image:image-20220531153016-16.png]]
5.2	319
	320
	321
7.1	322	Access the gateway
5.2	323
25.2	324	(% class="box infomessage" %)
	325	(((
7.1	326	$ ./connect-gw.sh <GWID>
25.2	327	)))
5.2	328
25.2	329	[[image:image-20220531153219-17.png]]

Wiki source code of Monitor & Remote Access Gateway

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