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Version 31.2 by Xiaoling on 2022/07/14 11:19
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Xiaoling 30.2 1 **Table of Contents:**
Xiaoling 25.6 2
Edwin Chen 1.1 3 {{toc/}}
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Xiaoling 25.6 5
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Xiaoling 25.7 7
Xiaoling 30.2 8 = **1.  Monitor Gateway** =
Edwin Chen 1.1 9
Xiaoling 30.2 10 == **1.1  Introduction** ==
Edwin Chen 1.1 11
Xiaoling 30.2 12
Edwin Chen 1.1 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]]
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Xiaoling 29.2 15 [[image:image-20220531155018-18.png]]
Edwin Chen 1.1 16
Xiaoling 8.3 17
Edwin Chen 1.1 18
Xiaoling 30.2 19 == **1.2  Steps** ==
20
21
Edwin Chen 1.1 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 (((
Edwin Chen 7.1 54 # For details see man 4 crontabs
Edwin Chen 1.1 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
Edwin Chen 2.1 65 */20 * * * *  /usr/bin/monitor_gateway.sh     
Edwin Chen 1.1 66 )))
67
68 * Reboot device.
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Xiaoling 31.2 70
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Xiaoling 30.2 73 == **1.3  Monitor Public IP** ==
Xiaoling 8.2 74
Xiaoling 30.2 75
Edwin Chen 1.1 76 The monitor_gateway.sh has been updated to upload the public ip of the device as well.
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78 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.
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Xiaoling 10.2 80 [[image:image-20220531145559-2.png]]
Edwin Chen 1.1 81
82 Find Public IP
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Xiaoling 30.2 86 = **2.  Remote Access** =
Edwin Chen 1.1 87
Xiaoling 30.2 88 == **2.1  Remote Access via Remote.it.** ==
Edwin Chen 1.1 89
Xiaoling 30.2 90
Edwin Chen 1.1 91 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.
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Xiaoling 30.2 94 (% style="color:red" %)**Important Notice:**
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Edwin Chen 1.1 96 * Remote.it access will give full control of your device to remote support.
97 * 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.
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Xiaoling 30.2 99 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]].
Edwin Chen 1.1 100
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Xiaoling 30.2 102 == **2.2  RSSH Introduction** ==
Edwin Chen 1.1 103
Edwin Chen 2.1 104 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.
Edwin Chen 1.1 105
Edwin Chen 2.1 106 Important Notice:
Edwin Chen 1.1 107
Edwin Chen 2.2 108 (% class="box warningmessage" %)
Edwin Chen 2.1 109 (((
110 RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this
111 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.
112 )))
113
114 Below gateway support reverse SSH access:
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Edwin Chen 4.1 116 * 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/]]
Edwin Chen 2.1 117 * LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
118 * LG02, OLG02
119 * LG308, DLOS8
120 * LPS8
121 * LIG16
122 * MS14 series if installed with the same firmware.
123
Xiaoling 30.4 124 === **2.2.1  End User Guide to use SSH access** ===
Xiaoling 9.5 125
Xiaoling 30.4 126
Edwin Chen 4.1 127 Go to this the Reverse SSH page as below:
Edwin Chen 1.1 128
Xiaoling 11.2 129 [[image:image-20220531150151-3.png]]
Edwin Chen 1.1 130
Edwin Chen 4.1 131 Get the RSSH configure page
Edwin Chen 1.1 132
Xiaoling 11.3 133
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Xiaoling 12.2 135 [[image:image-20220531150338-4.png]]
Edwin Chen 1.1 136
Edwin Chen 4.1 137 Connection OK.
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Xiaoling 12.2 139
Xiaoling 30.4 140 * (% style="color:#037691" %)**Login ID**(%%):  Input sshuser
141 * (% style="color:#037691" %)**Host Address**(%%):  Input support.dragino.com
142 * (% style="color:#037691" %)**Host Port** (%%):  Please email to support @ dragino.com to get a valid host port.
Xiaoling 12.3 143 * (% style="color:#037691" %)**Connect at Startup**(%%) : Choose to enable connect once the device is powered.
Xiaoling 30.4 144 * (% 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
Edwin Chen 4.1 145
146 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.
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Edwin Chen 5.1 148
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Xiaoling 30.5 150 === **2.2.2  Set Up RSSH Server** ===
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Edwin Chen 5.2 152 Advance administrator can config a SSH server to provide support their end user themselves., Steps as below
Edwin Chen 5.1 153
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Xiaoling 9.7 155
Xiaoling 30.5 156 ==== **2.2.2.1  Step 1 : Download the SSH service code** ====
Edwin Chen 5.1 157
Xiaoling 30.5 158
159 **1).**  git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
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Xiaoling 13.2 161 [[image:image-20220531150750-5.png]]
Edwin Chen 5.1 162
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Xiaoling 30.5 164 **2).**  cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
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Xiaoling 14.2 166 [[image:image-20220531150811-6.png]]
Edwin Chen 5.1 167
168
169 **Debug** :
170
Xiaoling 14.3 171 (((
172 (% class="box" %)
173 (((
174 if you git fail.  ~-~->  (% style="color:#037691" %)**sudo: git: command not found**(%%).
175 please install git.  ~-~->    (% style="color:#037691" %)**yum install git -y  or  apt-get install git -y**(%%).
176 if you make error 127,it** (% style="color:#037691" %)lack of gcc(%%)**.
177 please install gcc.  ~-~->  (% style="color:#037691" %)**yum install gcc**(%%).
178 )))
179 )))
Edwin Chen 5.1 180
Xiaoling 15.2 181 [[image:image-20220531151516-7.png]]
Edwin Chen 5.1 182
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Xiaoling 15.2 184 (((
185 (% class="box" %)
186 (((
187 if you make a fatal error : sqlite3.h,it (% style="color:#037691" %)**lack of sqlite3**(%%).
188 please insatell sqlite3.
189 )))
190 )))
Edwin Chen 5.1 191
Xiaoling 16.2 192 [[image:image-20220531151628-8.png]]
Edwin Chen 5.1 193
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Xiaoling 30.5 195 (% style="color:blue" %)**How to install Sqlit3**
Edwin Chen 5.1 196
Edwin Chen 5.2 197 (% class="box infomessage" %)
198 (((
Xiaoling 30.5 199 **~ Step1:** Download the SQLit3 installation package
200 sudo wget **[[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]**
Xiaoling 16.4 201
Xiaoling 30.5 202
203 **Step2: **tar the SQLit3 installation package
Edwin Chen 5.1 204 sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
Xiaoling 30.5 205
206 **Step3:** Generate the makefile
Edwin Chen 5.1 207 cd sqlite-autoconf-3350300/;./configure
Xiaoling 30.5 208
209 **Step4:** Compile makefile
Edwin Chen 5.1 210 sudo make
Xiaoling 30.5 211
212 **Step5:** Install makefile
Edwin Chen 5.1 213 sudo make install
Xiaoling 30.5 214
215 **Check:**
Edwin Chen 5.2 216 cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
217 cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
Xiaoling 30.5 218
219 **debug:**
Edwin Chen 5.1 220 If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
221 Please execute the command /sbin/ldconfig.
222 After that execute the command ./sqlite3 test.db again.
Edwin Chen 5.2 223 )))
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Xiaoling 30.5 227 ==== **2.2.2.2  Step 2 : Install and run the RSS service** ====
Edwin Chen 5.2 228
Xiaoling 30.5 229
230 **1). ** install database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
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Edwin Chen 5.2 232 user must enter the root account and run the following commands
233
234 (% class="box infomessage" %)
235 (((
Xiaoling 16.3 236 $ ./create_sqlite3_db.sh
Edwin Chen 5.2 237 $ ./rssh_serv -p  3721 2>&1 &
238 $ ps -ef | grep rssh_serv check 3721 port
239 )))
240
Xiaoling 18.2 241 [[image:image-20220531151958-10.png]]
Edwin Chen 5.2 242
243
244 **Debug:**
245
246 {{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
247 Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
Edwin Chen 5.1 248 }}}
249
Edwin Chen 5.2 250 {{{ if fail to open dpvlry or to bind to it
251 please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
252 }}}
Edwin Chen 5.1 253
Edwin Chen 5.2 254
255
Xiaoling 30.5 256 ==== **2.2.2.3  Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** ====
Edwin Chen 5.2 257
Xiaoling 30.5 258
Edwin Chen 5.2 259 (% class="box infomessage" %)
260 (((
Xiaoling 30.5 261 **1):**  sudo useradd XXXXX (custom user name)
262 **2):**  sudo passwd xxxxxx
263 **3):**  cp /bin/bash /bin/rbash
264 **4):**  sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
265 **5):**  sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
266 **6):**  sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
Edwin Chen 5.2 267 )))
268
Xiaoling 30.5 269 (% style="color:red" %)**Now user "XXXXX" is the user with limited permissions of the current system**
Edwin Chen 5.2 270
Edwin Chen 7.1 271
Xiaoling 18.3 272
Xiaoling 30.5 273 ==== **2.2.2.4  Step 4 : Create an authorization key file** ====
Edwin Chen 7.1 274
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Xiaoling 30.5 276 **1):**  sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
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Edwin Chen 7.1 278 **Debug:**
279
280 {{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey}}}
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Xiaoling 30.5 284 === **2.2.3  How does user get the gateway to connect to a user's private server** ===
Edwin Chen 5.2 285
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Xiaoling 30.5 287 ==== **2.2.3.1  Step 1 : Come back the gateway web UI to get the gateway Public key** ====
Xiaoling 9.9 288
Edwin Chen 5.2 289
Xiaoling 30.5 290 **1)**  in the system ~-~-> (% style="color:#037691" %)**Remote Mgmt/span**
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Xiaoling 19.2 292 [[image:image-20220531152419-11.png]]
Edwin Chen 5.2 293
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Xiaoling 30.5 296 ==== **2.2.3.2  Step 2 : Authorization server** ====
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Edwin Chen 7.1 299 Input the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
Edwin Chen 5.2 300
Xiaoling 20.2 301 [[image:image-20220531152549-12.png]]
Edwin Chen 5.2 302
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Xiaoling 30.5 305 ==== **2.2.3.3  Step 3 : Connect private server** ====
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Edwin Chen 7.1 308 This is same as connect Dragino Support Server but just change the server address to customize server address.
Edwin Chen 5.2 309
Xiaoling 21.2 310 [[image:image-20220531152633-13.png]]
Edwin Chen 5.2 311
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Xiaoling 30.5 314 ==== **2.2.3.4  Step 4 : Check Connection** ====
Edwin Chen 5.2 315
Xiaoling 30.5 316
Edwin Chen 5.2 317 Rssh Host connection Ok
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Xiaoling 22.2 319 [[image:image-20220531152815-14.png]]
Edwin Chen 5.2 320
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Edwin Chen 7.1 322 User can use common ps | grep ssh to check it in the gateway.
Edwin Chen 5.2 323
Xiaoling 23.2 324 [[image:image-20220531152840-15.png]]
Edwin Chen 5.2 325
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Xiaoling 30.5 328 ==== **2.2.3.5  Step 5 : Access the gateway from customized server** ====
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Edwin Chen 7.1 331 Check what gateways link to server.
Edwin Chen 5.2 332
Xiaoling 24.2 333 (% class="box infomessage" %)
334 (((
Edwin Chen 7.1 335 $ ./connect-gw.sh -l
Xiaoling 24.2 336 )))
Edwin Chen 5.2 337
Xiaoling 24.2 338 [[image:image-20220531153016-16.png]]
Edwin Chen 5.2 339
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Edwin Chen 7.1 342 Access the gateway
Edwin Chen 5.2 343
Xiaoling 25.2 344 (% class="box infomessage" %)
345 (((
Edwin Chen 7.1 346 $ ./connect-gw.sh <GWID>
Xiaoling 25.2 347 )))
Edwin Chen 5.2 348
Xiaoling 25.2 349 [[image:image-20220531153219-17.png]]
Xiaoling 30.5 350
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