Wiki source code of Monitor & Remote Access Gateway

Version 27.1 by Xiaoling on 2022/05/31 15:44

version	line-number	content
25.6	1	Contents:
	2
1.1	3	{{toc/}}
	4
25.6	5
	6
25.7	7
11.2	8	= 1. Monitor Gateway =
1.1	9
11.2	10	== 1.1 Introduction ==
1.1	11
	12	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]]
	13
9.2	14	[[image:image-20220531144606-1.png]]
1.1	15
8.3	16
11.2	17	== 1.2 Steps ==
1.1	18
	19	* Create account in ThingsSpeak and creat channel.
	20	* Download script from dragino site and move it to properly directory
	21
	22	(% class="box infomessage" %)
	23	(((
	24	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]]
	25	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']]
	26	Connecting to 162.241.22.11:80
	27	Writing to 'monitor_gateway.sh'
	28	monitor_gateway.sh 100% \|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*\| 1860 0:00:00 ETA
	29	Download completed (1860 bytes)
	30	root@dragino-1baf44:~~# chmod +x monitor_gateway.sh;mv monitor_gateway.sh /usr/bin/
	31	root@dragino-1baf44:~~#
	32	root@dragino-1baf44:~~#
	33	)))
	34
	35	* change the script monitor_gateway.sh with properly users setting:
	36
	37	(% class="box infomessage" %)
	38	(((
	39	USER='xxxxx' # user name in your thinkspeak ~-~-> Profile
	40	PASS='xxxxx' #MQTT_API_KEY in your thinkspeak ~-~-> Profile
	41	CHAN_ID='xxxx' #Channel ID of the channel for this gateway
	42	CHAN_KEY='xxxxx' #Channel Write API of the channel for this gateway
	43	)))
	44
	45	* run /usr/bin/monitor_gateway.sh to test if upload is good.
	46
	47	* 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
	48
	49	(% class="box infomessage" %)
	50	(((
7.1	51	# For details see man 4 crontabs
1.1	52	# Example of job definition:
	53	# .~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- minute (0 - 59)
	54	# \| .~-~-~-~-~-~-~-~-~-~-~-~-- hour (0 - 23)
	55	# \| \| .~-~-~-~-~-~-~-~-~-~- day of month (1 - 31)
	56	# \| \| \| .~-~-~-~-~-~-- month (1 - 12) OR jan,feb,mar,apr ...
	57	# \| \| \| \| .~-~-~-~- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
	58	# \| \| \| \| \|
	59	# * * * * * user-name command to be executed
	60	#/10 * * * checklog
	61	~* 23 * * * /etc/init.d/auto_update start
2.1	62	/20 * * * /usr/bin/monitor_gateway.sh
1.1	63	)))
	64
	65	* Reboot device.
	66
25.5	67
11.2	68	== 1.3 Monitor Public IP ==
8.2	69
1.1	70	The monitor_gateway.sh has been updated to upload the public ip of the device as well.
	71
	72	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.
	73
10.2	74	[[image:image-20220531145559-2.png]]
1.1	75
	76	Find Public IP
	77
	78
	79
11.2	80	= 2. Remote Access =
1.1	81
11.2	82	== 2.1 Remote Access via Remote.it. ==
1.1	83
	84	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.
	85
	86	Important Notice:
	87
	88	* Remote.it access will give full control of your device to remote support.
	89	* 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.
	90
	91	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]].
	92
	93
11.2	94	== 2.2 RSSH Introduction ==
1.1	95
2.1	96	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	97
2.1	98	Important Notice:
1.1	99
2.2	100	(% class="box warningmessage" %)
2.1	101	(((
	102	RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
	103	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.
	104	)))
	105
	106	Below gateway support reverse SSH access:
	107
4.1	108	* 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	109	* LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
	110	* LG02, OLG02
	111	* LG308, DLOS8
	112	* LPS8
	113	* LIG16
	114	* MS14 series if installed with the same firmware.
	115
25.4	116
11.2	117	=== 2.2.1 End User Guide to use SSH access ===
9.5	118
4.1	119	Go to this the Reverse SSH page as below:
1.1	120
11.2	121	[[image:image-20220531150151-3.png]]
1.1	122
4.1	123	Get the RSSH configure page
1.1	124
11.3	125
	126
12.2	127	[[image:image-20220531150338-4.png]]
1.1	128
4.1	129	Connection OK.
	130
12.2	131
12.3	132	* (% style="color:#037691" %)Login ID(%%): Input sshuser
	133	* (% style="color:#037691" %)Host Address(%%): Input support.dragino.com
	134	* (% style="color:#037691" %)Host Port (%%): Please email to support @ dragino.com to get a valid host port.
	135	* (% style="color:#037691" %)Connect at Startup(%%) : Choose to enable connect once the device is powered.
	136	* (% 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	137
	138	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.
	139
5.1	140
9.8	141	=== 2.2.2 Set Up RSSH Server ===
5.1	142
5.2	143	Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
5.1	144
	145
9.8	146	==== 2.2.2.1 Step 1:Download the SSH service code ====
9.7	147
5.1	148	1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
	149
13.2	150	[[image:image-20220531150750-5.png]]
5.1	151
	152	2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
	153
14.2	154	[[image:image-20220531150811-6.png]]
5.1	155
	156
	157	Debug :
	158
14.3	159	(((
	160	(% class="box" %)
	161	(((
	162	if you git fail. ~-~-> (% style="color:#037691" %)sudo: git: command not found(%%).
	163	please install git. ~-~-> (% style="color:#037691" %)yum install git -y or apt-get install git -y(%%).
	164	if you make error 127,it (% style="color:#037691" %)lack of gcc(%%).
	165	please install gcc. ~-~-> (% style="color:#037691" %)yum install gcc(%%).
	166	)))
	167	)))
5.1	168
15.2	169	[[image:image-20220531151516-7.png]]
5.1	170
	171
15.2	172	(((
	173	(% class="box" %)
	174	(((
	175	if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)lack of sqlite3(%%).
	176	please insatell sqlite3.
	177	)))
	178	)))
5.1	179
16.2	180	[[image:image-20220531151628-8.png]]
5.1	181
	182
5.2	183	How to install Sqlit3
5.1	184
5.2	185	(% class="box infomessage" %)
	186	(((
	187	Step1:Download the SQLit3 installation package
16.4	188	sudo wget [[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]
	189
5.2	190	Step2:tar the SQLit3 installation package
5.1	191	sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
5.2	192	Step3:Generate the makefile
5.1	193	cd sqlite-autoconf-3350300/;./configure
5.2	194	Step4:Compile makefile
5.1	195	sudo make
5.2	196	Step5:Install makefile
5.1	197	sudo make install
5.2	198	Check:
	199	cd /usr/local/bin;ls -al ~-~-> Check to see if there is a file for sqlite3
	200	cd sqlite-autoconf-3350300/;./sqlite3 test.db ~-~-> Test whether the sqlite3 was installed successfully
	201	debug:
5.1	202	If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
	203	Please execute the command /sbin/ldconfig.
	204	After that execute the command ./sqlite3 test.db again.
5.2	205	)))
	206
	207
9.9	208	==== 2.2.2.2 Step 2 :Install and run the RSS service ====
5.2	209
	210	1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
	211
	212	user must enter the root account and run the following commands
	213
	214	(% class="box infomessage" %)
	215	(((
16.3	216	$ ./create_sqlite3_db.sh
5.2	217	$ ./rssh_serv -p 3721 2>&1 &
	218	$ ps -ef \| grep rssh_serv check 3721 port
	219	)))
	220
18.2	221	[[image:image-20220531151958-10.png]]
5.2	222
	223
	224	Debug:
	225
	226	{{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
	227	Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
5.1	228	}}}
	229
5.2	230	{{{ if fail to open dpvlry or to bind to it
	231	please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
	232	}}}
5.1	233
5.2	234
	235
9.9	236	==== 2.2.2.3 Step 3 :Create a minimal SSH user (reverse SSH proxy for the gateway) ====
5.2	237
	238	(% class="box infomessage" %)
	239	(((
	240	1):sudo useradd XXXXX (custom user name)
	241	2):sudo passwd xxxxxx
	242	3):cp /bin/bash /bin/rbash
	243	4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
	244	5):sudo nano /home/xxxxx/.bashrc empty it,and input export PATH=$HOME/bin
	245	6):sudo nano /home/xxxxx/.bash_profile empty it,and input export PATH=$HOME/bin
	246	)))
	247
	248	Now user "XXXXX" is the user with limited permissions of the current system
	249
7.1	250
18.3	251
9.9	252	==== 2.2.2.4 Step4:Create an authorization key file ====
7.1	253
	254	1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
	255
	256	Debug:
	257
	258	{{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
	259
	260
	261
27.1	262	=== 2.2.3 How does user get the gateway to connect to a user's private server ===
5.2	263
	264
27.1	265	==== 2.2.3.1 Step1: Come back the gateway web UI to get the gateway Public key ====
9.9	266
19.3	267	1)in the system ~-~-> (% style="color:#037691" %)Remote Mgmt/span
5.2	268
19.2	269	[[image:image-20220531152419-11.png]]
5.2	270
	271
27.1	272	==== 2.2.3.2 Step2: Authorization server ====
5.2	273
7.1	274	Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
5.2	275
20.2	276	[[image:image-20220531152549-12.png]]
5.2	277
	278
27.1	279	==== 2.2.3.3 Step3: Connect private server ====
5.2	280
7.1	281	This is same as connect Dragino Support Server but just change the server address to customize server address.
5.2	282
21.2	283	[[image:image-20220531152633-13.png]]
5.2	284
	285
	286
27.1	287	==== 2.2.3.4 Step 4 :Check Connection ====
5.2	288
	289	Rssh Host connection Ok
	290
22.2	291	[[image:image-20220531152815-14.png]]
5.2	292
	293
7.1	294	User can use common ps \| grep ssh to check it in the gateway.
5.2	295
23.2	296	[[image:image-20220531152840-15.png]]
5.2	297
	298
27.1	299	==== 2.2.3.5 Step5:Access the gateway from customized server ====
5.2	300
7.1	301	Check what gateways link to server.
5.2	302
24.2	303	(% class="box infomessage" %)
	304	(((
7.1	305	$ ./connect-gw.sh -l
24.2	306	)))
5.2	307
24.2	308	[[image:image-20220531153016-16.png]]
5.2	309
	310
	311
7.1	312	Access the gateway
5.2	313
25.2	314	(% class="box infomessage" %)
	315	(((
7.1	316	$ ./connect-gw.sh <GWID>
25.2	317	)))
5.2	318
25.2	319	[[image:image-20220531153219-17.png]]

Wiki source code of Monitor & Remote Access Gateway

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