Wiki source code of Monitor & Remote Access Gateway

Version 33.1 by Edwin Chen on 2022/07/25 10:01

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
31.2	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
	98
33.1	99	* For how to use remoteit 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]].
	100	* For Quick add remoteit to Dragino for remote debug, please see below:
1.1	101
33.1	102
30.2	103	== 2.2 RSSH Introduction ==
1.1	104
31.3	105
2.1	106	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	107
2.1	108	Important Notice:
1.1	109
2.2	110	(% class="box warningmessage" %)
2.1	111	(((
	112	RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
	113	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.
	114	)))
	115
	116	Below gateway support reverse SSH access:
	117
4.1	118	* 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	119	* LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
	120	* LG02, OLG02
	121	* LG308, DLOS8
	122	* LPS8
	123	* LIG16
	124	* MS14 series if installed with the same firmware.
	125
31.3	126
	127
30.4	128	=== 2.2.1 End User Guide to use SSH access ===
9.5	129
30.4	130
4.1	131	Go to this the Reverse SSH page as below:
1.1	132
11.2	133	[[image:image-20220531150151-3.png]]
1.1	134
4.1	135	Get the RSSH configure page
1.1	136
11.3	137
	138
12.2	139	[[image:image-20220531150338-4.png]]
1.1	140
4.1	141	Connection OK.
	142
12.2	143
30.4	144	* (% style="color:#037691" %)Login ID(%%): Input sshuser
	145	* (% style="color:#037691" %)Host Address(%%): Input support.dragino.com
	146	* (% style="color:#037691" %)Host Port (%%): Please email to support @ dragino.com to get a valid host port.
12.3	147	* (% style="color:#037691" %)Connect at Startup(%%) : Choose to enable connect once the device is powered.
30.4	148	* (% 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	149
	150	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.
	151
5.1	152
	153
30.5	154	=== 2.2.2 Set Up RSSH Server ===
	155
5.2	156	Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
5.1	157
	158
9.7	159
30.5	160	==== 2.2.2.1 Step 1 : Download the SSH service code ====
5.1	161
30.5	162
	163	1). git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
	164
13.2	165	[[image:image-20220531150750-5.png]]
5.1	166
	167
30.5	168	2). cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
	169
14.2	170	[[image:image-20220531150811-6.png]]
5.1	171
	172
	173	Debug :
	174
14.3	175	(((
	176	(% class="box" %)
	177	(((
	178	if you git fail. ~-~-> (% style="color:#037691" %)sudo: git: command not found(%%).
	179	please install git. ~-~-> (% style="color:#037691" %)yum install git -y or apt-get install git -y(%%).
	180	if you make error 127,it (% style="color:#037691" %)lack of gcc(%%).
	181	please install gcc. ~-~-> (% style="color:#037691" %)yum install gcc(%%).
	182	)))
	183	)))
5.1	184
15.2	185	[[image:image-20220531151516-7.png]]
5.1	186
	187
15.2	188	(((
	189	(% class="box" %)
	190	(((
	191	if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)lack of sqlite3(%%).
	192	please insatell sqlite3.
	193	)))
	194	)))
5.1	195
16.2	196	[[image:image-20220531151628-8.png]]
5.1	197
	198
30.5	199	(% style="color:blue" %)How to install Sqlit3
5.1	200
5.2	201	(% class="box infomessage" %)
	202	(((
30.5	203	~ Step1: Download the SQLit3 installation package
	204	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	205
30.5	206
	207	Step2: tar the SQLit3 installation package
5.1	208	sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
30.5	209
	210	Step3: Generate the makefile
5.1	211	cd sqlite-autoconf-3350300/;./configure
30.5	212
	213	Step4: Compile makefile
5.1	214	sudo make
30.5	215
	216	Step5: Install makefile
5.1	217	sudo make install
30.5	218
	219	Check:
5.2	220	cd /usr/local/bin;ls -al ~-~-> Check to see if there is a file for sqlite3
	221	cd sqlite-autoconf-3350300/;./sqlite3 test.db ~-~-> Test whether the sqlite3 was installed successfully
30.5	222
	223	debug:
5.1	224	If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
	225	Please execute the command /sbin/ldconfig.
	226	After that execute the command ./sqlite3 test.db again.
5.2	227	)))
	228
	229
	230
30.5	231	==== 2.2.2.2 Step 2 : Install and run the RSS service ====
5.2	232
30.5	233
	234	1). install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
	235
5.2	236	user must enter the root account and run the following commands
	237
	238	(% class="box infomessage" %)
	239	(((
16.3	240	$ ./create_sqlite3_db.sh
5.2	241	$ ./rssh_serv -p 3721 2>&1 &
	242	$ ps -ef \| grep rssh_serv check 3721 port
	243	)))
	244
18.2	245	[[image:image-20220531151958-10.png]]
5.2	246
	247
	248	Debug:
	249
	250	{{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
	251	Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
5.1	252	}}}
	253
5.2	254	{{{ if fail to open dpvlry or to bind to it
	255	please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
	256	}}}
5.1	257
5.2	258
	259
30.5	260	==== 2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway) ====
5.2	261
30.5	262
5.2	263	(% class="box infomessage" %)
	264	(((
30.5	265	1): sudo useradd XXXXX (custom user name)
	266	2): sudo passwd xxxxxx
	267	3): cp /bin/bash /bin/rbash
	268	4): sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
	269	5): sudo nano /home/xxxxx/.bashrc empty it,and input export PATH=$HOME/bin
	270	6): sudo nano /home/xxxxx/.bash_profile empty it,and input export PATH=$HOME/bin
5.2	271	)))
	272
30.5	273	(% style="color:red" %)Now user "XXXXX" is the user with limited permissions of the current system
5.2	274
7.1	275
18.3	276
30.5	277	==== 2.2.2.4 Step 4 : Create an authorization key file ====
7.1	278
	279
30.5	280	1): sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
	281
7.1	282	Debug:
	283
	284	{{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
	285
	286
	287
30.5	288	=== 2.2.3 How does user get the gateway to connect to a user's private server ===
5.2	289
	290
30.5	291	==== 2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key ====
9.9	292
5.2	293
30.5	294	1) in the system ~-~-> (% style="color:#037691" %)Remote Mgmt/span
	295
19.2	296	[[image:image-20220531152419-11.png]]
5.2	297
	298
	299
30.5	300	==== 2.2.3.2 Step 2 : Authorization server ====
	301
	302
7.1	303	Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
5.2	304
20.2	305	[[image:image-20220531152549-12.png]]
5.2	306
	307
	308
30.5	309	==== 2.2.3.3 Step 3 : Connect private server ====
	310
	311
7.1	312	This is same as connect Dragino Support Server but just change the server address to customize server address.
5.2	313
21.2	314	[[image:image-20220531152633-13.png]]
5.2	315
	316
	317
30.5	318	==== 2.2.3.4 Step 4 : Check Connection ====
5.2	319
30.5	320
5.2	321	Rssh Host connection Ok
	322
22.2	323	[[image:image-20220531152815-14.png]]
5.2	324
	325
7.1	326	User can use common ps \| grep ssh to check it in the gateway.
5.2	327
23.2	328	[[image:image-20220531152840-15.png]]
5.2	329
	330
	331
30.5	332	==== 2.2.3.5 Step 5 : Access the gateway from customized server ====
	333
	334
7.1	335	Check what gateways link to server.
5.2	336
24.2	337	(% class="box infomessage" %)
	338	(((
7.1	339	$ ./connect-gw.sh -l
24.2	340	)))
5.2	341
24.2	342	[[image:image-20220531153016-16.png]]
5.2	343
	344
	345
7.1	346	Access the gateway
5.2	347
25.2	348	(% class="box infomessage" %)
	349	(((
7.1	350	$ ./connect-gw.sh <GWID>
25.2	351	)))
5.2	352
25.2	353	[[image:image-20220531153219-17.png]]
30.5	354
	355

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