Version 34.1 by Edwin Chen on 2022/07/25 10:03
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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 == **1.3  Monitor Public IP** ==
72
73
74 The monitor_gateway.sh has been updated to upload the public ip of the device as well.
75
76 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.
77
78 [[image:image-20220531145559-2.png]]
79
80 Find Public IP
81
82
83
84 = **2.  Remote Access** =
85
86 == **2.1  Remote Access via Remote.it.** ==
87
88
89 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.
90
91
92 (% style="color:red" %)**Important Notice:**
93
94 * Remote.it access will give full control of your device to remote support.
95 * 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.
96
97
98 * 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]].
99 * For Quick add remoteit to **Dragino for remote debug**, please see below:
100
101
102
103 == **2.2  RSSH Introduction** ==
104
105
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.
107
108 Important Notice:
109
110 (% class="box warningmessage" %)
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
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/]]
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
126
127 === **2.2.1  End User Guide to use SSH access** ===
128
129
130 Go to this the Reverse SSH page as below:
131
132 [[image:image-20220531150151-3.png]]
133
134 Get the RSSH configure page
135
136
137
138 [[image:image-20220531150338-4.png]]
139
140 Connection OK.
141
142
143 * (% style="color:#037691" %)**Login ID**(%%):  Input sshuser
144 * (% style="color:#037691" %)**Host Address**(%%):  Input support.dragino.com
145 * (% style="color:#037691" %)**Host Port** (%%):  Please email to support @ dragino.com to get a valid host port.
146 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
147 * (% 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
148
149 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.
150
151
152
153 === **2.2.2  Set Up RSSH Server** ===
154
155 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
156
157
158
159 ==== **2.2.2.1  Step 1 : Download the SSH service code** ====
160
161
162 **1).**  git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
163
164 [[image:image-20220531150750-5.png]]
165
166
167 **2).**  cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
168
169 [[image:image-20220531150811-6.png]]
170
171
172 **Debug** :
173
174 (((
175 (% class="box" %)
176 (((
177 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
178 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
179 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
180 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
181 )))
182 )))
183
184 [[image:image-20220531151516-7.png]]
185
186
187 (((
188 (% class="box" %)
189 (((
190 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
191 please insatell sqlite3.
192 )))
193 )))
194
195 [[image:image-20220531151628-8.png]]
196
197
198 (% style="color:blue" %)**How to install Sqlit3**
199
200 (% class="box infomessage" %)
201 (((
202 **~ Step1:** Download the SQLit3 installation package
203 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
204
205
206 **Step2: **tar the SQLit3 installation package
207 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
208
209 **Step3:** Generate the makefile
210 cd sqlite-autoconf-3350300/;./configure
211
212 **Step4:** Compile makefile
213 sudo make
214
215 **Step5:** Install makefile
216 sudo make install
217
218 **Check:**
219 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
220 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
221
222 **debug:**
223 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
224 Please execute the command /sbin/ldconfig.
225 After that execute the command ./sqlite3 test.db again.
226 )))
227
228
229
230 ==== **2.2.2.2  Step 2 : Install and run the RSS service** ====
231
232
233 **1). ** install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
234
235 user must enter the root account and run the following commands
236
237 (% class="box infomessage" %)
238 (((
239 $ ./create_sqlite3_db.sh
240 $ ./rssh_serv -p  3721 2>&1 &
241 $ ps -ef | grep rssh_serv check 3721 port
242 )))
243
244 [[image:image-20220531151958-10.png]]
245
246
247 **Debug:**
248
249 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
250 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
251 }}}
252
253 {{{ if fail to open dpvlry or to bind to it
254 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
255 }}}
256
257
258
259 ==== **2.2.2.3  Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
260
261
262 (% class="box infomessage" %)
263 (((
264 **1):**  sudo useradd XXXXX (custom user name)
265 **2):**  sudo passwd xxxxxx
266 **3):**  cp /bin/bash /bin/rbash
267 **4):**  sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
268 **5):**  sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
269 **6):**  sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
270 )))
271
272 (% style="color:red" %)**Now user "XXXXX" is the user with limited permissions of the current system**
273
274
275
276 ==== **2.2.2.4  Step 4 : Create an authorization key file** ====
277
278
279 **1):**  sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
280
281 **Debug:**
282
283 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
284
285
286
287 === **2.2.3  How does user get the gateway to connect to a user's private server** ===
288
289
290 ==== **2.2.3.1  Step 1 : Come back the gateway web UI to get the gateway Public key** ====
291
292
293 **1)**  in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
294
295 [[image:image-20220531152419-11.png]]
296
297
298
299 ==== **2.2.3.2  Step 2 : Authorization server** ====
300
301
302 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
303
304 [[image:image-20220531152549-12.png]]
305
306
307
308 ==== **2.2.3.3  Step 3 : Connect private server** ====
309
310
311 This is same as connect Dragino Support Server but just change the server address to customize server address.
312
313 [[image:image-20220531152633-13.png]]
314
315
316
317 ==== **2.2.3.4  Step 4 : Check Connection** ====
318
319
320 Rssh Host connection Ok
321
322 [[image:image-20220531152815-14.png]]
323
324
325 User can use common ps | grep ssh to check it in the gateway.
326
327 [[image:image-20220531152840-15.png]]
328
329
330
331 ==== **2.2.3.5  Step 5 : Access the gateway from customized server** ====
332
333
334 Check what gateways link to server.
335
336 (% class="box infomessage" %)
337 (((
338 $ ./connect-gw.sh -l
339 )))
340
341 [[image:image-20220531153016-16.png]]
342
343
344
345 Access the gateway
346
347 (% class="box infomessage" %)
348 (((
349 $ ./connect-gw.sh <GWID>
350 )))
351
352 [[image:image-20220531153219-17.png]]
353
354

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