Version 31.2 by Xiaoling on 2022/07/14 11:19
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1 **Table of Contents:**
2
3 {{toc/}}
4
5
6
7
8 = **1.  Monitor Gateway** =
9
10 == **1.1  Introduction** ==
11
12
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
15 [[image:image-20220531155018-18.png]]
16
17
18
19 == **1.2  Steps** ==
20
21
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 (((
54 # For details see man 4 crontabs
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
65 */20 * * * *  /usr/bin/monitor_gateway.sh     
66 )))
67
68 * Reboot device.
69
70
71
72
73 == **1.3  Monitor Public IP** ==
74
75
76 The monitor_gateway.sh has been updated to upload the public ip of the device as well.
77
78 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.
79
80 [[image:image-20220531145559-2.png]]
81
82 Find Public IP
83
84
85
86 = **2.  Remote Access** =
87
88 == **2.1  Remote Access via Remote.it.** ==
89
90
91 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.
92
93
94 (% style="color:red" %)**Important Notice:**
95
96 * Remote.it access will give full control of your device to remote support.
97 * 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.
98
99 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]].
100
101
102 == **2.2  RSSH Introduction** ==
103
104 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.
105
106 Important Notice:
107
108 (% class="box warningmessage" %)
109 (((
110 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
111 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.
112 )))
113
114 Below gateway support reverse SSH access:
115
116 * 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/]]
117 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
118 * LG02, OLG02
119 * LG308, DLOS8
120 * LPS8
121 * LIG16
122 * MS14 series if installed with the same firmware.
123
124 === **2.2.1  End User Guide to use SSH access** ===
125
126
127 Go to this the Reverse SSH page as below:
128
129 [[image:image-20220531150151-3.png]]
130
131 Get the RSSH configure page
132
133
134
135 [[image:image-20220531150338-4.png]]
136
137 Connection OK.
138
139
140 * (% style="color:#037691" %)**Login ID**(%%):  Input sshuser
141 * (% style="color:#037691" %)**Host Address**(%%):  Input support.dragino.com
142 * (% style="color:#037691" %)**Host Port** (%%):  Please email to support @ dragino.com to get a valid host port.
143 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
144 * (% 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
145
146 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.
147
148
149
150 === **2.2.2  Set Up RSSH Server** ===
151
152 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
153
154
155
156 ==== **2.2.2.1  Step 1 : Download the SSH service code** ====
157
158
159 **1).**  git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
160
161 [[image:image-20220531150750-5.png]]
162
163
164 **2).**  cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
165
166 [[image:image-20220531150811-6.png]]
167
168
169 **Debug** :
170
171 (((
172 (% class="box" %)
173 (((
174 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
175 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
176 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
177 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
178 )))
179 )))
180
181 [[image:image-20220531151516-7.png]]
182
183
184 (((
185 (% class="box" %)
186 (((
187 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
188 please insatell sqlite3.
189 )))
190 )))
191
192 [[image:image-20220531151628-8.png]]
193
194
195 (% style="color:blue" %)**How to install Sqlit3**
196
197 (% class="box infomessage" %)
198 (((
199 **~ Step1:** Download the SQLit3 installation package
200 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
201
202
203 **Step2: **tar the SQLit3 installation package
204 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
205
206 **Step3:** Generate the makefile
207 cd sqlite-autoconf-3350300/;./configure
208
209 **Step4:** Compile makefile
210 sudo make
211
212 **Step5:** Install makefile
213 sudo make install
214
215 **Check:**
216 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
217 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
218
219 **debug:**
220 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
221 Please execute the command /sbin/ldconfig.
222 After that execute the command ./sqlite3 test.db again.
223 )))
224
225
226
227 ==== **2.2.2.2  Step 2 : Install and run the RSS service** ====
228
229
230 **1). ** install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
231
232 user must enter the root account and run the following commands
233
234 (% class="box infomessage" %)
235 (((
236 $ ./create_sqlite3_db.sh
237 $ ./rssh_serv -p  3721 2>&1 &
238 $ ps -ef | grep rssh_serv check 3721 port
239 )))
240
241 [[image:image-20220531151958-10.png]]
242
243
244 **Debug:**
245
246 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
247 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
248 }}}
249
250 {{{ if fail to open dpvlry or to bind to it
251 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
252 }}}
253
254
255
256 ==== **2.2.2.3  Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
257
258
259 (% class="box infomessage" %)
260 (((
261 **1):**  sudo useradd XXXXX (custom user name)
262 **2):**  sudo passwd xxxxxx
263 **3):**  cp /bin/bash /bin/rbash
264 **4):**  sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
265 **5):**  sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
266 **6):**  sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
267 )))
268
269 (% style="color:red" %)**Now user "XXXXX" is the user with limited permissions of the current system**
270
271
272
273 ==== **2.2.2.4  Step 4 : Create an authorization key file** ====
274
275
276 **1):**  sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
277
278 **Debug:**
279
280 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
281
282
283
284 === **2.2.3  How does user get the gateway to connect to a user's private server** ===
285
286
287 ==== **2.2.3.1  Step 1 : Come back the gateway web UI to get the gateway Public key** ====
288
289
290 **1)**  in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
291
292 [[image:image-20220531152419-11.png]]
293
294
295
296 ==== **2.2.3.2  Step 2 : Authorization server** ====
297
298
299 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
300
301 [[image:image-20220531152549-12.png]]
302
303
304
305 ==== **2.2.3.3  Step 3 : Connect private server** ====
306
307
308 This is same as connect Dragino Support Server but just change the server address to customize server address.
309
310 [[image:image-20220531152633-13.png]]
311
312
313
314 ==== **2.2.3.4  Step 4 : Check Connection** ====
315
316
317 Rssh Host connection Ok
318
319 [[image:image-20220531152815-14.png]]
320
321
322 User can use common ps | grep ssh to check it in the gateway.
323
324 [[image:image-20220531152840-15.png]]
325
326
327
328 ==== **2.2.3.5  Step 5 : Access the gateway from customized server** ====
329
330
331 Check what gateways link to server.
332
333 (% class="box infomessage" %)
334 (((
335 $ ./connect-gw.sh -l
336 )))
337
338 [[image:image-20220531153016-16.png]]
339
340
341
342 Access the gateway
343
344 (% class="box infomessage" %)
345 (((
346 $ ./connect-gw.sh <GWID>
347 )))
348
349 [[image:image-20220531153219-17.png]]
350
351

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