Version 30.3 by Xiaoling on 2022/07/14 11:08
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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 Go to this the Reverse SSH page as below:
129
130 [[image:image-20220531150151-3.png]]
131
132 Get the RSSH configure page
133
134
135
136 [[image:image-20220531150338-4.png]]
137
138 Connection OK.
139
140
141 * (% style="color:#037691" %)**Login ID**(%%): Input sshuser
142 * (% style="color:#037691" %)**Host Address**(%%): Input support.dragino.com
143 * (% style="color:#037691" %)**Host Port** (%%): Please email to support @ dragino.com to get a valid host port.
144 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
145 * (% 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
146
147 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.
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 ==== **2.2.2.1 Step 1 : Download the SSH service code** ====
156
157 1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
158
159 [[image:image-20220531150750-5.png]]
160
161 2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
162
163 [[image:image-20220531150811-6.png]]
164
165
166 **Debug** :
167
168 (((
169 (% class="box" %)
170 (((
171 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
172 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
173 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
174 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
175 )))
176 )))
177
178 [[image:image-20220531151516-7.png]]
179
180
181 (((
182 (% class="box" %)
183 (((
184 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
185 please insatell sqlite3.
186 )))
187 )))
188
189 [[image:image-20220531151628-8.png]]
190
191
192 **How to install Sqlit3**
193
194 (% class="box infomessage" %)
195 (((
196 Step1:Download the SQLit3 installation package
197 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
198
199 Step2:tar the SQLit3 installation package
200 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
201 Step3:Generate the makefile
202 cd sqlite-autoconf-3350300/;./configure
203 Step4:Compile makefile
204 sudo make
205 Step5:Install makefile
206 sudo make install
207 Check:
208 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
209 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
210 debug:
211 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
212 Please execute the command /sbin/ldconfig.
213 After that execute the command ./sqlite3 test.db again.
214 )))
215
216
217 ==== **2.2.2.2 Step 2 : Install and run the RSS service** ====
218
219 1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
220
221 user must enter the root account and run the following commands
222
223 (% class="box infomessage" %)
224 (((
225 $ ./create_sqlite3_db.sh
226 $ ./rssh_serv -p  3721 2>&1 &
227 $ ps -ef | grep rssh_serv check 3721 port
228 )))
229
230 [[image:image-20220531151958-10.png]]
231
232
233 **Debug:**
234
235 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
236 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
237 }}}
238
239 {{{ if fail to open dpvlry or to bind to it
240 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
241 }}}
242
243
244
245 ==== **2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
246
247 (% class="box infomessage" %)
248 (((
249 1):sudo useradd XXXXX (custom user name)
250 2):sudo passwd xxxxxx
251 3):cp /bin/bash /bin/rbash
252 4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
253 5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
254 6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
255 )))
256
257 **Now user "XXXXX" is the user with limited permissions of the current system**
258
259
260
261 ==== **2.2.2.4 Step 4 : Create an authorization key file** ====
262
263 1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
264
265 **Debug:**
266
267 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
268
269
270
271 === **2.2.3 How does user get the gateway to connect to a user's private server** ===
272
273
274 ==== **2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key** ====
275
276 1)in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
277
278 [[image:image-20220531152419-11.png]]
279
280
281 ==== **2.2.3.2 Step 2 : Authorization server** ====
282
283 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
284
285 [[image:image-20220531152549-12.png]]
286
287
288 ==== **2.2.3.3 Step 3 : Connect private server** ====
289
290 This is same as connect Dragino Support Server but just change the server address to customize server address.
291
292 [[image:image-20220531152633-13.png]]
293
294
295
296 ==== **2.2.3.4 Step 4 : Check Connection** ====
297
298 Rssh Host connection Ok
299
300 [[image:image-20220531152815-14.png]]
301
302
303 User can use common ps | grep ssh to check it in the gateway.
304
305 [[image:image-20220531152840-15.png]]
306
307
308 ==== **2.2.3.5 Step 5 : Access the gateway from customized server** ====
309
310 Check what gateways link to server.
311
312 (% class="box infomessage" %)
313 (((
314 $ ./connect-gw.sh -l
315 )))
316
317 [[image:image-20220531153016-16.png]]
318
319
320
321 Access the gateway
322
323 (% class="box infomessage" %)
324 (((
325 $ ./connect-gw.sh <GWID>
326 )))
327
328 [[image:image-20220531153219-17.png]]

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