Version 29.3 by Xiaoling on 2022/05/31 15:51
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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-20220531155018-18.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 === **2.2.1 End User Guide to use SSH access** ===
118
119 Go to this the Reverse SSH page as below:
120
121 [[image:image-20220531150151-3.png]]
122
123 Get the RSSH configure page
124
125
126
127 [[image:image-20220531150338-4.png]]
128
129 Connection OK.
130
131
132 * (% style="color:#037691" %)**Login ID**(%%): Input sshuser
133 * (% style="color:#037691" %)**Host Address**(%%): Input support.dragino.com
134 * (% style="color:#037691" %)**Host Port** (%%): Please email to support @ dragino.com to get a valid host port.
135 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
136 * (% 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
137
138 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.
139
140
141 === **2.2.2 Set Up RSSH Server** ===
142
143 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
144
145
146 ==== **2.2.2.1 Step 1 : Download the SSH service code** ====
147
148 1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
149
150 [[image:image-20220531150750-5.png]]
151
152 2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
153
154 [[image:image-20220531150811-6.png]]
155
156
157 **Debug** :
158
159 (((
160 (% class="box" %)
161 (((
162 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
163 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
164 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
165 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
166 )))
167 )))
168
169 [[image:image-20220531151516-7.png]]
170
171
172 (((
173 (% class="box" %)
174 (((
175 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
176 please insatell sqlite3.
177 )))
178 )))
179
180 [[image:image-20220531151628-8.png]]
181
182
183 **How to install Sqlit3**
184
185 (% class="box infomessage" %)
186 (((
187 Step1:Download the SQLit3 installation package
188 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
189
190 Step2:tar the SQLit3 installation package
191 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
192 Step3:Generate the makefile
193 cd sqlite-autoconf-3350300/;./configure
194 Step4:Compile makefile
195 sudo make
196 Step5:Install makefile
197 sudo make install
198 Check:
199 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
200 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
201 debug:
202 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
203 Please execute the command /sbin/ldconfig.
204 After that execute the command ./sqlite3 test.db again.
205 )))
206
207
208 ==== **2.2.2.2 Step 2 : Install and run the RSS service** ====
209
210 1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
211
212 user must enter the root account and run the following commands
213
214 (% class="box infomessage" %)
215 (((
216 $ ./create_sqlite3_db.sh
217 $ ./rssh_serv -p  3721 2>&1 &
218 $ ps -ef | grep rssh_serv check 3721 port
219 )))
220
221 [[image:image-20220531151958-10.png]]
222
223
224 **Debug:**
225
226 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
227 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
228 }}}
229
230 {{{ if fail to open dpvlry or to bind to it
231 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
232 }}}
233
234
235
236 ==== **2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
237
238 (% class="box infomessage" %)
239 (((
240 1):sudo useradd XXXXX (custom user name)
241 2):sudo passwd xxxxxx
242 3):cp /bin/bash /bin/rbash
243 4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
244 5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
245 6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
246 )))
247
248 **Now user "XXXXX" is the user with limited permissions of the current system**
249
250
251
252 ==== **2.2.2.4 Step 4 : Create an authorization key file** ====
253
254 1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
255
256 **Debug:**
257
258 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
259
260
261
262 === **2.2.3 How does user get the gateway to connect to a user's private server** ===
263
264
265 ==== **2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key** ====
266
267 1)in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
268
269 [[image:image-20220531152419-11.png]]
270
271
272 ==== **2.2.3.2 Step 2 : Authorization server** ====
273
274 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
275
276 [[image:image-20220531152549-12.png]]
277
278
279 ==== **2.2.3.3 Step 3 : Connect private server** ====
280
281 This is same as connect Dragino Support Server but just change the server address to customize server address.
282
283 [[image:image-20220531152633-13.png]]
284
285
286
287 ==== **2.2.3.4 Step 4 : Check Connection** ====
288
289 Rssh Host connection Ok
290
291 [[image:image-20220531152815-14.png]]
292
293
294 User can use common ps | grep ssh to check it in the gateway.
295
296 [[image:image-20220531152840-15.png]]
297
298
299 ==== **2.2.3.5 Step 5 : Access the gateway from customized server** ====
300
301 Check what gateways link to server.
302
303 (% class="box infomessage" %)
304 (((
305 $ ./connect-gw.sh -l
306 )))
307
308 [[image:image-20220531153016-16.png]]
309
310
311
312 Access the gateway
313
314 (% class="box infomessage" %)
315 (((
316 $ ./connect-gw.sh <GWID>
317 )))
318
319 [[image:image-20220531153219-17.png]]

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