Version 26.1 by Xiaoling on 2022/05/31 15:37
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1 **Contents:**
2
3 {{toc/}}
4
5
6
7
8 = **1. Monitor Gateway** =
9
10 == **1.1 Introduction** ==
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
14 [[image:image-20220531144606-1.png]]
15
16
17 == **1.2 Steps** ==
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 (((
51 # For details see man 4 crontabs
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
62 */20 * * * *  /usr/bin/monitor_gateway.sh     
63 )))
64
65 * Reboot device.
66
67
68
69 == **1.3 Monitor Public IP** ==
70
71 The monitor_gateway.sh has been updated to upload the public ip of the device as well.
72
73 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.
74
75 [[image:image-20220531145559-2.png]]
76
77 Find Public IP
78
79
80
81 = **2. Remote Access** =
82
83 == **2.1 Remote Access via Remote.it.** ==
84
85 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.
86
87 Important Notice:
88
89 * Remote.it access will give full control of your device to remote support.
90 * 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.
91
92 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]].
93
94
95 == **2.2 RSSH Introduction** ==
96
97 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.
98
99 Important Notice:
100
101 (% class="box warningmessage" %)
102 (((
103 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
104 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.
105 )))
106
107 Below gateway support reverse SSH access:
108
109 * 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/]]
110 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
111 * LG02, OLG02
112 * LG308, DLOS8
113 * LPS8
114 * LIG16
115 * MS14 series if installed with the same firmware.
116
117
118
119 === **2.2.1 End User Guide to use SSH access** ===
120
121 Go to this the Reverse SSH page as below:
122
123 [[image:image-20220531150151-3.png]]
124
125 Get the RSSH configure page
126
127
128
129 [[image:image-20220531150338-4.png]]
130
131 Connection OK.
132
133
134 * (% style="color:#037691" %)**Login ID**(%%): Input sshuser
135 * (% style="color:#037691" %)**Host Address**(%%): Input support.dragino.com
136 * (% style="color:#037691" %)**Host Port** (%%): Please email to support @ dragino.com to get a valid host port.
137 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
138 * (% 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
139
140 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.
141
142
143 === **2.2.2 Set Up RSSH Server** ===
144
145 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
146
147
148 ==== **2.2.2.1 Step 1:Download the SSH service code** ====
149
150 1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
151
152 [[image:image-20220531150750-5.png]]
153
154 2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
155
156 [[image:image-20220531150811-6.png]]
157
158
159 **Debug** :
160
161 (((
162 (% class="box" %)
163 (((
164 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
165 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
166 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
167 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
168 )))
169 )))
170
171 [[image:image-20220531151516-7.png]]
172
173
174 (((
175 (% class="box" %)
176 (((
177 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
178 please insatell sqlite3.
179 )))
180 )))
181
182 [[image:image-20220531151628-8.png]]
183
184
185 **How to install Sqlit3**
186
187 (% class="box infomessage" %)
188 (((
189 Step1:Download the SQLit3 installation package
190 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
191
192 Step2:tar the SQLit3 installation package
193 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
194 Step3:Generate the makefile
195 cd sqlite-autoconf-3350300/;./configure
196 Step4:Compile makefile
197 sudo make
198 Step5:Install makefile
199 sudo make install
200 Check:
201 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
202 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
203 debug:
204 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
205 Please execute the command /sbin/ldconfig.
206 After that execute the command ./sqlite3 test.db again.
207 )))
208
209 (% class="wikigeneratedid" id="H" %)
210
211
212 ==== **2.2.2.2 Step 2 :Install and run the RSS service** ====
213
214 1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
215
216 user must enter the root account and run the following commands
217
218 (% class="box infomessage" %)
219 (((
220 $ ./create_sqlite3_db.sh
221 $ ./rssh_serv -p  3721 2>&1 &
222 $ ps -ef | grep rssh_serv check 3721 port
223 )))
224
225 [[image:image-20220531151958-10.png]]
226
227
228 **Debug:**
229
230 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
231 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
232 }}}
233
234 {{{ if fail to open dpvlry or to bind to it
235 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
236 }}}
237
238 (% class="wikigeneratedid" id="H-1" %)
239
240
241 (% class="wikigeneratedid" id="H-2" %)
242
243
244 ==== **2.2.2.3 Step 3 :Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
245
246 (% class="box infomessage" %)
247 (((
248 1):sudo useradd XXXXX (custom user name)
249 2):sudo passwd xxxxxx
250 3):cp /bin/bash /bin/rbash
251 4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
252 5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
253 6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
254 )))
255
256 **Now user "XXXXX" is the user with limited permissions of the current system**
257
258
259
260 ==== **2.2.2.4 Step4:Create an authorization key file** ====
261
262 1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
263
264 **Debug:**
265
266 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
267
268
269
270 === **2.3 How does user get the gateway to connect to a user's private server** ===
271
272
273 ==== **2.3.1 Step1: Come back the gateway web UI to get the gateway Public key** ====
274
275 1)in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
276
277 [[image:image-20220531152419-11.png]]
278
279
280 ==== **2.3.2 Step2: Authorization server** ====
281
282 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
283
284 [[image:image-20220531152549-12.png]]
285
286
287 ===== **2.3.3 Step3: Connect private server** =====
288
289 This is same as connect Dragino Support Server but just change the server address to customize server address.
290
291 [[image:image-20220531152633-13.png]]
292
293
294
295 ===== **2.3.4 Step 4 :Check Connection** =====
296
297 Rssh Host connection Ok
298
299 [[image:image-20220531152815-14.png]]
300
301
302 User can use common ps | grep ssh to check it in the gateway.
303
304 [[image:image-20220531152840-15.png]]
305
306
307 ==== **2.3.5 Step5:Access the gateway from customized server** ====
308
309 Check what gateways link to server.
310
311 (% class="box infomessage" %)
312 (((
313 $ ./connect-gw.sh -l
314 )))
315
316 [[image:image-20220531153016-16.png]]
317
318
319
320 Access the gateway
321
322 (% class="box infomessage" %)
323 (((
324 $ ./connect-gw.sh <GWID>
325 )))
326
327 [[image:image-20220531153219-17.png]]

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