Version 28.1 by Xiaoling on 2022/05/31 15:49
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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-20220531144606-1.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 == **1.3 Monitor Public IP** ==
68
69 The monitor_gateway.sh has been updated to upload the public ip of the device as well.
70
71 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.
72
73 [[image:image-20220531145559-2.png]]
74
75 Find Public IP
76
77
78
79 = **2. Remote Access** =
80
81 == **2.1 Remote Access via Remote.it.** ==
82
83 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.
84
85 Important Notice:
86
87 * Remote.it access will give full control of your device to remote support.
88 * 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.
89
90 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]].
91
92
93 == **2.2 RSSH Introduction** ==
94
95 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.
96
97 Important Notice:
98
99 (% class="box warningmessage" %)
100 (((
101 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
102 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.
103 )))
104
105 Below gateway support reverse SSH access:
106
107 * 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/]]
108 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
109 * LG02, OLG02
110 * LG308, DLOS8
111 * LPS8
112 * LIG16
113 * MS14 series if installed with the same firmware.
114
115 === **2.2.1 End User Guide to use SSH access** ===
116
117 Go to this the Reverse SSH page as below:
118
119 [[image:image-20220531150151-3.png]]
120
121 Get the RSSH configure page
122
123
124
125 [[image:image-20220531150338-4.png]]
126
127 Connection OK.
128
129
130 * (% style="color:#037691" %)**Login ID**(%%): Input sshuser
131 * (% style="color:#037691" %)**Host Address**(%%): Input support.dragino.com
132 * (% style="color:#037691" %)**Host Port** (%%): Please email to support @ dragino.com to get a valid host port.
133 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
134 * (% 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
135
136 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.
137
138
139 === **2.2.2 Set Up RSSH Server** ===
140
141 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
142
143
144 ==== **2.2.2.1 Step 1 : Download the SSH service code** ====
145
146 1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
147
148 [[image:image-20220531150750-5.png]]
149
150 2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
151
152 [[image:image-20220531150811-6.png]]
153
154
155 **Debug** :
156
157 (((
158 (% class="box" %)
159 (((
160 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
161 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
162 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
163 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
164 )))
165 )))
166
167 [[image:image-20220531151516-7.png]]
168
169
170 (((
171 (% class="box" %)
172 (((
173 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
174 please insatell sqlite3.
175 )))
176 )))
177
178 [[image:image-20220531151628-8.png]]
179
180
181 **How to install Sqlit3**
182
183 (% class="box infomessage" %)
184 (((
185 Step1:Download the SQLit3 installation package
186 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
187
188 Step2:tar the SQLit3 installation package
189 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
190 Step3:Generate the makefile
191 cd sqlite-autoconf-3350300/;./configure
192 Step4:Compile makefile
193 sudo make
194 Step5:Install makefile
195 sudo make install
196 Check:
197 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
198 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
199 debug:
200 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
201 Please execute the command /sbin/ldconfig.
202 After that execute the command ./sqlite3 test.db again.
203 )))
204
205
206 ==== **2.2.2.2 Step 2 : Install and run the RSS service** ====
207
208 1):install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
209
210 user must enter the root account and run the following commands
211
212 (% class="box infomessage" %)
213 (((
214 $ ./create_sqlite3_db.sh
215 $ ./rssh_serv -p  3721 2>&1 &
216 $ ps -ef | grep rssh_serv check 3721 port
217 )))
218
219 [[image:image-20220531151958-10.png]]
220
221
222 **Debug:**
223
224 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
225 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
226 }}}
227
228 {{{ if fail to open dpvlry or to bind to it
229 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
230 }}}
231
232
233
234 ==== **2.2.2.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
235
236 (% class="box infomessage" %)
237 (((
238 1):sudo useradd XXXXX (custom user name)
239 2):sudo passwd xxxxxx
240 3):cp /bin/bash /bin/rbash
241 4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
242 5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
243 6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
244 )))
245
246 **Now user "XXXXX" is the user with limited permissions of the current system**
247
248
249
250 ==== **2.2.2.4 Step 4 : Create an authorization key file** ====
251
252 1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
253
254 **Debug:**
255
256 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
257
258
259
260 === **2.2.3 How does user get the gateway to connect to a user's private server** ===
261
262
263 ==== **2.2.3.1 Step 1 : Come back the gateway web UI to get the gateway Public key** ====
264
265 1)in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
266
267 [[image:image-20220531152419-11.png]]
268
269
270 ==== **2.2.3.2 Step 2 : Authorization server** ====
271
272 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
273
274 [[image:image-20220531152549-12.png]]
275
276
277 ==== **2.2.3.3 Step 3 : Connect private server** ====
278
279 This is same as connect Dragino Support Server but just change the server address to customize server address.
280
281 [[image:image-20220531152633-13.png]]
282
283
284
285 ==== **2.2.3.4 Step 4 : Check Connection** ====
286
287 Rssh Host connection Ok
288
289 [[image:image-20220531152815-14.png]]
290
291
292 User can use common ps | grep ssh to check it in the gateway.
293
294 [[image:image-20220531152840-15.png]]
295
296
297 ==== **2.2.3.5 Step 5 : Access the gateway from customized server** ====
298
299 Check what gateways link to server.
300
301 (% class="box infomessage" %)
302 (((
303 $ ./connect-gw.sh -l
304 )))
305
306 [[image:image-20220531153016-16.png]]
307
308
309
310 Access the gateway
311
312 (% class="box infomessage" %)
313 (((
314 $ ./connect-gw.sh <GWID>
315 )))
316
317 [[image:image-20220531153219-17.png]]

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