Version 30.4 by Xiaoling on 2022/07/14 11:09
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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 == **1.3  Monitor Public IP** ==
73
74
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
79 [[image:image-20220531145559-2.png]]
80
81 Find Public IP
82
83
84
85 = **2.  Remote Access** =
86
87 == **2.1  Remote Access via Remote.it.** ==
88
89
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
93 (% style="color:red" %)**Important Notice:**
94
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 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]].
99
100
101 == **2.2  RSSH Introduction** ==
102
103 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.
104
105 Important Notice:
106
107 (% class="box warningmessage" %)
108 (((
109 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
110 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.
111 )))
112
113 Below gateway support reverse SSH access:
114
115 * 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/]]
116 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
117 * LG02, OLG02
118 * LG308, DLOS8
119 * LPS8
120 * LIG16
121 * MS14 series if installed with the same firmware.
122
123
124
125
126 === **2.2.1  End User Guide to use SSH access** ===
127
128
129 Go to this the Reverse SSH page as below:
130
131 [[image:image-20220531150151-3.png]]
132
133 Get the RSSH configure page
134
135
136
137 [[image:image-20220531150338-4.png]]
138
139 Connection OK.
140
141
142 * (% style="color:#037691" %)**Login ID**(%%):  Input sshuser
143 * (% style="color:#037691" %)**Host Address**(%%):  Input support.dragino.com
144 * (% style="color:#037691" %)**Host Port** (%%):  Please email to support @ dragino.com to get a valid host port.
145 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
146 * (% 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
147
148 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.
149
150
151 === **2.2.2 Set Up RSSH Server** ===
152
153 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
154
155
156 ==== **2.2.2.1 Step 1 : Download the SSH service code** ====
157
158 1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
159
160 [[image:image-20220531150750-5.png]]
161
162 2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
163
164 [[image:image-20220531150811-6.png]]
165
166
167 **Debug** :
168
169 (((
170 (% class="box" %)
171 (((
172 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
173 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
174 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
175 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
176 )))
177 )))
178
179 [[image:image-20220531151516-7.png]]
180
181
182 (((
183 (% class="box" %)
184 (((
185 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
186 please insatell sqlite3.
187 )))
188 )))
189
190 [[image:image-20220531151628-8.png]]
191
192
193 **How to install Sqlit3**
194
195 (% class="box infomessage" %)
196 (((
197 Step1:Download the SQLit3 installation package
198 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
199
200 Step2:tar the SQLit3 installation package
201 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
202 Step3:Generate the makefile
203 cd sqlite-autoconf-3350300/;./configure
204 Step4:Compile makefile
205 sudo make
206 Step5:Install makefile
207 sudo make install
208 Check:
209 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
210 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
211 debug:
212 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
213 Please execute the command /sbin/ldconfig.
214 After that execute the command ./sqlite3 test.db again.
215 )))
216
217
218 ==== **2.2.2.2 Step 2 : Install and run the RSS service** ====
219
220 1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
221
222 user must enter the root account and run the following commands
223
224 (% class="box infomessage" %)
225 (((
226 $ ./create_sqlite3_db.sh
227 $ ./rssh_serv -p  3721 2>&1 &
228 $ ps -ef | grep rssh_serv check 3721 port
229 )))
230
231 [[image:image-20220531151958-10.png]]
232
233
234 **Debug:**
235
236 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
237 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
238 }}}
239
240 {{{ if fail to open dpvlry or to bind to it
241 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
242 }}}
243
244
245
246 ==== **2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
247
248 (% class="box infomessage" %)
249 (((
250 1):sudo useradd XXXXX (custom user name)
251 2):sudo passwd xxxxxx
252 3):cp /bin/bash /bin/rbash
253 4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
254 5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
255 6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
256 )))
257
258 **Now user "XXXXX" is the user with limited permissions of the current system**
259
260
261
262 ==== **2.2.2.4 Step 4 : Create an authorization key file** ====
263
264 1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
265
266 **Debug:**
267
268 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
269
270
271
272 === **2.2.3 How does user get the gateway to connect to a user's private server** ===
273
274
275 ==== **2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key** ====
276
277 1)in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
278
279 [[image:image-20220531152419-11.png]]
280
281
282 ==== **2.2.3.2 Step 2 : Authorization server** ====
283
284 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
285
286 [[image:image-20220531152549-12.png]]
287
288
289 ==== **2.2.3.3 Step 3 : Connect private server** ====
290
291 This is same as connect Dragino Support Server but just change the server address to customize server address.
292
293 [[image:image-20220531152633-13.png]]
294
295
296
297 ==== **2.2.3.4 Step 4 : Check Connection** ====
298
299 Rssh Host connection Ok
300
301 [[image:image-20220531152815-14.png]]
302
303
304 User can use common ps | grep ssh to check it in the gateway.
305
306 [[image:image-20220531152840-15.png]]
307
308
309 ==== **2.2.3.5 Step 5 : Access the gateway from customized server** ====
310
311 Check what gateways link to server.
312
313 (% class="box infomessage" %)
314 (((
315 $ ./connect-gw.sh -l
316 )))
317
318 [[image:image-20220531153016-16.png]]
319
320
321
322 Access the gateway
323
324 (% class="box infomessage" %)
325 (((
326 $ ./connect-gw.sh <GWID>
327 )))
328
329 [[image:image-20220531153219-17.png]]

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