Version 32.1 by Xiaoling on 2022/07/14 11:29
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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
105 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.
106
107 Important Notice:
108
109 (% class="box warningmessage" %)
110 (((
111 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
112 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.
113 )))
114
115 Below gateway support reverse SSH access:
116
117 * 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/]]
118 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
119 * LG02, OLG02
120 * LG308, DLOS8
121 * LPS8
122 * LIG16
123 * MS14 series if installed with the same firmware.
124
125
126
127
128 === **2.2.1  End User Guide to use SSH access** ===
129
130
131 Go to this the Reverse SSH page as below:
132
133 [[image:image-20220531150151-3.png]]
134
135 Get the RSSH configure page
136
137
138
139 [[image:image-20220531150338-4.png]]
140
141 Connection OK.
142
143
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.
147 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
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
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
152
153
154 === **2.2.2  Set Up RSSH Server** ===
155
156 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
157
158
159
160 ==== **2.2.2.1  Step 1 : Download the SSH service code** ====
161
162
163 **1).**  git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
164
165 [[image:image-20220531150750-5.png]]
166
167
168 **2).**  cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
169
170 [[image:image-20220531150811-6.png]]
171
172
173 **Debug** :
174
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 )))
184
185 [[image:image-20220531151516-7.png]]
186
187
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 )))
195
196 [[image:image-20220531151628-8.png]]
197
198
199 (% style="color:blue" %)**How to install Sqlit3**
200
201 (% class="box infomessage" %)
202 (((
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]]**
205
206
207 **Step2: **tar the SQLit3 installation package
208 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
209
210 **Step3:** Generate the makefile
211 cd sqlite-autoconf-3350300/;./configure
212
213 **Step4:** Compile makefile
214 sudo make
215
216 **Step5:** Install makefile
217 sudo make install
218
219 **Check:**
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
222
223 **debug:**
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.
227 )))
228
229
230
231 ==== **2.2.2.2  Step 2 : Install and run the RSS service** ====
232
233
234 **1). ** install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
235
236 user must enter the root account and run the following commands
237
238 (% class="box infomessage" %)
239 (((
240 $ ./create_sqlite3_db.sh
241 $ ./rssh_serv -p  3721 2>&1 &
242 $ ps -ef | grep rssh_serv check 3721 port
243 )))
244
245 [[image:image-20220531151958-10.png]]
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
252 }}}
253
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 }}}
257
258
259
260 ==== **2.2.2.3  Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
261
262
263 (% class="box infomessage" %)
264 (((
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**
271 )))
272
273 (% style="color:red" %)**Now user "XXXXX" is the user with limited permissions of the current system**
274
275
276
277 ==== **2.2.2.4  Step 4 : Create an authorization key file** ====
278
279
280 **1):**  sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
281
282 **Debug:**
283
284 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
285
286
287
288 === **2.2.3  How does user get the gateway to connect to a user's private server** ===
289
290
291 ==== **2.2.3.1  Step 1 : Come back the gateway web UI to get the gateway Public key** ====
292
293
294 **1)**  in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
295
296 [[image:image-20220531152419-11.png]]
297
298
299
300 ==== **2.2.3.2  Step 2 : Authorization server** ====
301
302
303 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
304
305 [[image:image-20220531152549-12.png]]
306
307
308
309 ==== **2.2.3.3  Step 3 : Connect private server** ====
310
311
312 This is same as connect Dragino Support Server but just change the server address to customize server address.
313
314 [[image:image-20220531152633-13.png]]
315
316
317
318 ==== **2.2.3.4  Step 4 : Check Connection** ====
319
320
321 Rssh Host connection Ok
322
323 [[image:image-20220531152815-14.png]]
324
325
326 User can use common ps | grep ssh to check it in the gateway.
327
328 [[image:image-20220531152840-15.png]]
329
330
331
332 ==== **2.2.3.5  Step 5 : Access the gateway from customized server** ====
333
334
335 Check what gateways link to server.
336
337 (% class="box infomessage" %)
338 (((
339 $ ./connect-gw.sh -l
340 )))
341
342 [[image:image-20220531153016-16.png]]
343
344
345
346 Access the gateway
347
348 (% class="box infomessage" %)
349 (((
350 $ ./connect-gw.sh <GWID>
351 )))
352
353 [[image:image-20220531153219-17.png]]
354
355

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