Wiki source code of Monitor & Remote Access Gateway

Version 43.1 by Kilight Cao on 2022/07/25 13:48

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
30.2	70	== 1.3 Monitor Public IP ==
8.2	71
30.2	72
1.1	73	The monitor_gateway.sh has been updated to upload the public ip of the device as well.
	74
	75	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.
	76
10.2	77	[[image:image-20220531145559-2.png]]
1.1	78
	79	Find Public IP
	80
	81
	82
30.2	83	= 2. Remote Access =
1.1	84
30.2	85	== 2.1 Remote Access via Remote.it. ==
1.1	86
30.2	87
1.1	88	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.
	89
	90
30.2	91	(% style="color:red" %)Important Notice:
	92
1.1	93	* Remote.it access will give full control of your device to remote support.
37.1	94	* The Remote.it allows Dragino Support to remote access to the device, If user want to access himself, it need to sign up for an remote.it account.
1.1	95
37.1	96	* For how to use remote.it for general remote control, 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]].
	97	* For Quick add remote.it to Dragino for remote debug, please see below:
1.1	98
41.1	99	~1. Install the Remote.it software
33.1	100
41.1	101	Users can directly click "Install" on the Web UI to install Remote. it.
34.1	102
41.1	103	[[image:image-20220725134300-1.png\|\|height="438" width="905"]]
	104
42.1	105
37.1	106	2. Enter the license key
	107
	108	Users need to enter the license key in the box under "2. Register" section and click the "Save" button and "Register" button.
	109
43.1	110	(% style="color:red" %)When the user enters this license key, Dragino support will have access to your gateway.(%%)
39.1	111
37.1	112	(% class="box infomessage" %)
	113	(((
	114	57F60715-606F-510D-A3D2-739860EBDB98
	115	)))
	116
	117	[[image:image-20220725113010-1.png\|\|height="455" width="899"]]
	118
	119
	120	3. Connect and tell us your device ID or Hostname
	121
38.1	122	Users can view the device ID or Hostname of the gateway on System ~-~-> System Overview interface.Such as : dragino-1ef9ac
37.1	123
	124	[[image:image-20220725115720-2.png\|\|height="658" width="900"]]
	125
	126
30.2	127	== 2.2 RSSH Introduction ==
1.1	128
31.3	129
2.1	130	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	131
2.1	132	Important Notice:
1.1	133
2.2	134	(% class="box warningmessage" %)
2.1	135	(((
	136	RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
	137	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.
	138	)))
	139
	140	Below gateway support reverse SSH access:
	141
4.1	142	* 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	143	* LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
	144	* LG02, OLG02
	145	* LG308, DLOS8
	146	* LPS8
	147	* LIG16
	148	* MS14 series if installed with the same firmware.
	149
30.4	150	=== 2.2.1 End User Guide to use SSH access ===
9.5	151
30.4	152
4.1	153	Go to this the Reverse SSH page as below:
1.1	154
11.2	155	[[image:image-20220531150151-3.png]]
1.1	156
4.1	157	Get the RSSH configure page
1.1	158
11.3	159
	160
12.2	161	[[image:image-20220531150338-4.png]]
1.1	162
4.1	163	Connection OK.
	164
12.2	165
30.4	166	* (% style="color:#037691" %)Login ID(%%): Input sshuser
	167	* (% style="color:#037691" %)Host Address(%%): Input support.dragino.com
	168	* (% style="color:#037691" %)Host Port (%%): Please email to support @ dragino.com to get a valid host port.
12.3	169	* (% style="color:#037691" %)Connect at Startup(%%) : Choose to enable connect once the device is powered.
30.4	170	* (% 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	171
	172	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.
	173
5.1	174
	175
30.5	176	=== 2.2.2 Set Up RSSH Server ===
	177
5.2	178	Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
5.1	179
	180
9.7	181
30.5	182	==== 2.2.2.1 Step 1 : Download the SSH service code ====
5.1	183
30.5	184
	185	1). git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
	186
13.2	187	[[image:image-20220531150750-5.png]]
5.1	188
	189
30.5	190	2). cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
	191
14.2	192	[[image:image-20220531150811-6.png]]
5.1	193
	194
	195	Debug :
	196
14.3	197	(((
	198	(% class="box" %)
	199	(((
	200	if you git fail. ~-~-> (% style="color:#037691" %)sudo: git: command not found(%%).
	201	please install git. ~-~-> (% style="color:#037691" %)yum install git -y or apt-get install git -y(%%).
	202	if you make error 127,it (% style="color:#037691" %)lack of gcc(%%).
	203	please install gcc. ~-~-> (% style="color:#037691" %)yum install gcc(%%).
	204	)))
	205	)))
5.1	206
15.2	207	[[image:image-20220531151516-7.png]]
5.1	208
	209
15.2	210	(((
	211	(% class="box" %)
	212	(((
	213	if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)lack of sqlite3(%%).
	214	please insatell sqlite3.
	215	)))
	216	)))
5.1	217
16.2	218	[[image:image-20220531151628-8.png]]
5.1	219
	220
30.5	221	(% style="color:blue" %)How to install Sqlit3
5.1	222
5.2	223	(% class="box infomessage" %)
	224	(((
30.5	225	~ Step1: Download the SQLit3 installation package
	226	sudo wget [[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]
16.4	227
30.5	228
	229	Step2: tar the SQLit3 installation package
5.1	230	sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
30.5	231
	232	Step3: Generate the makefile
5.1	233	cd sqlite-autoconf-3350300/;./configure
30.5	234
	235	Step4: Compile makefile
5.1	236	sudo make
30.5	237
	238	Step5: Install makefile
5.1	239	sudo make install
30.5	240
	241	Check:
5.2	242	cd /usr/local/bin;ls -al ~-~-> Check to see if there is a file for sqlite3
	243	cd sqlite-autoconf-3350300/;./sqlite3 test.db ~-~-> Test whether the sqlite3 was installed successfully
30.5	244
	245	debug:
5.1	246	If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
	247	Please execute the command /sbin/ldconfig.
	248	After that execute the command ./sqlite3 test.db again.
5.2	249	)))
	250
	251
	252
30.5	253	==== 2.2.2.2 Step 2 : Install and run the RSS service ====
5.2	254
30.5	255
	256	1). install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
	257
5.2	258	user must enter the root account and run the following commands
	259
	260	(% class="box infomessage" %)
	261	(((
16.3	262	$ ./create_sqlite3_db.sh
5.2	263	$ ./rssh_serv -p 3721 2>&1 &
	264	$ ps -ef \| grep rssh_serv check 3721 port
	265	)))
	266
18.2	267	[[image:image-20220531151958-10.png]]
5.2	268
	269
	270	Debug:
	271
	272	{{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
	273	Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
5.1	274	}}}
	275
5.2	276	{{{ if fail to open dpvlry or to bind to it
	277	please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
	278	}}}
5.1	279
5.2	280
	281
30.5	282	==== 2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway) ====
5.2	283
30.5	284
5.2	285	(% class="box infomessage" %)
	286	(((
30.5	287	1): sudo useradd XXXXX (custom user name)
	288	2): sudo passwd xxxxxx
	289	3): cp /bin/bash /bin/rbash
	290	4): sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
	291	5): sudo nano /home/xxxxx/.bashrc empty it,and input export PATH=$HOME/bin
	292	6): sudo nano /home/xxxxx/.bash_profile empty it,and input export PATH=$HOME/bin
5.2	293	)))
	294
30.5	295	(% style="color:red" %)Now user "XXXXX" is the user with limited permissions of the current system
5.2	296
7.1	297
18.3	298
30.5	299	==== 2.2.2.4 Step 4 : Create an authorization key file ====
7.1	300
	301
30.5	302	1): sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
	303
7.1	304	Debug:
	305
	306	{{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
	307
	308
	309
30.5	310	=== 2.2.3 How does user get the gateway to connect to a user's private server ===
5.2	311
	312
30.5	313	==== 2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key ====
9.9	314
5.2	315
30.5	316	1) in the system ~-~-> (% style="color:#037691" %)Remote Mgmt/span
	317
19.2	318	[[image:image-20220531152419-11.png]]
5.2	319
	320
	321
30.5	322	==== 2.2.3.2 Step 2 : Authorization server ====
	323
	324
7.1	325	Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
5.2	326
20.2	327	[[image:image-20220531152549-12.png]]
5.2	328
	329
	330
30.5	331	==== 2.2.3.3 Step 3 : Connect private server ====
	332
	333
7.1	334	This is same as connect Dragino Support Server but just change the server address to customize server address.
5.2	335
21.2	336	[[image:image-20220531152633-13.png]]
5.2	337
	338
	339
30.5	340	==== 2.2.3.4 Step 4 : Check Connection ====
5.2	341
30.5	342
5.2	343	Rssh Host connection Ok
	344
22.2	345	[[image:image-20220531152815-14.png]]
5.2	346
	347
7.1	348	User can use common ps \| grep ssh to check it in the gateway.
5.2	349
23.2	350	[[image:image-20220531152840-15.png]]
5.2	351
	352
	353
30.5	354	==== 2.2.3.5 Step 5 : Access the gateway from customized server ====
	355
	356
7.1	357	Check what gateways link to server.
5.2	358
24.2	359	(% class="box infomessage" %)
	360	(((
7.1	361	$ ./connect-gw.sh -l
24.2	362	)))
5.2	363
24.2	364	[[image:image-20220531153016-16.png]]
5.2	365
	366
	367
7.1	368	Access the gateway
5.2	369
25.2	370	(% class="box infomessage" %)
	371	(((
7.1	372	$ ./connect-gw.sh <GWID>
25.2	373	)))
5.2	374
25.2	375	[[image:image-20220531153219-17.png]]
30.5	376
	377

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