background image

 

The factory setting of EC900 has created root by default, but it is not available to log in.  If you need to 

use the root account, please modify the system configuration manually. The edge user is in the sudo  

user group, so you can use the sudo command to execute system-level commands.

 

Note: For security reasons, it is strongly recommended that you disable the default user and create 

your own user account.

 

2 . 2

 

User

 

Account

 

Management

 

Use sudo -i (or sudo su) command to switch to the root account.  For security reasons, do not operate all 

commands under the root account (More about sudo commands, please visit

 

https://wiki.debian.org/sudo).

 

2.2.1

 

Registered

 

and

 

delete

 

account

 

You can use the useradd and userdel commands to create and delete user accounts. Please refer to the 

main page of these commands to set the access rights for the account.  The following example shows

 

Содержание EC900 Series

Страница 1: ...te account 2 2 2 Disable default account 2 3 Network Management 2 3 1 Static IP address setting 2 3 2 Dynamic IP address setting 2 4 System Management 2 4 1 Time setting 2 4 2 Time zone setting 2 5 Vi...

Страница 2: ...t for C C Java Python Net JavaScript etc which is easy for users to develop and port applications The EC900 supports Secure Boot TPM etc to ensure the security of user software and data In addition th...

Страница 3: ...Using SSH commands to access the EC900 Port 22 Plain Text copy 1 ssh edge 192 168 3 100 Enter the SSH password The default factory username is edge and the password is security edge...

Страница 4: ...ded that you disable the default user and create your own user account 2 2 User Account Management Use sudo i or sudo su command to switch to the root account For security reasons do not operate all c...

Страница 5: ...st To change the password for the user name test use the passwd command and enter the new password then confirm the change by re entering the password as shown below Plain Text copy 1 sudo passwd test...

Страница 6: ...1 or sudo vim eth2 to edit the network configuration file You can configure the Ethernet port of the EC900 to use a static IP address or to obtain an IP address dynamically DHCP 2 3 1 Static IP addres...

Страница 7: ...here are two kind of time of EC900 that can be set One is the system time the other is the RTC RealTime Clock time saved by the EC900 hardware Use the date command to query the current system time or...

Страница 8: ...There are two ways to configure the time zone of the EC900 One is to use the TZ environment variable the other is to use the etc localtime configuration file There are two ways to configure the time z...

Страница 9: ...e hardware clock for daylight saving time DST twice a year In the case c the reference time is always the reported time You can use this option if the hardware clock on your machine automatically adju...

Страница 10: ...o file please find a suitable time zone information file and overwrite the original etc localtime file in the EC900 as shown in the following figure Plain Text copy 1 2 3 ls l etc localtime sudo rm rf...

Страница 11: ...d stop the system by using the Linux command shutdown or by pressing the power button However after running this command major components such as the CPU RAM and storage devices will continue to be po...

Страница 12: ...and memory devices will be shut down but the internal clock may retain battery power 2 7 View Firmware Version The ecversion command is used to query the firmware version number and the parameter a ca...

Страница 13: ...one of the three can be used at any one time PIN Definition Description 1 2 232 Rx D 422 TxD 232 receive 422 send 3 232 Tx D 485 B 422 Rx D 232 send 485 signal B 422 receive 4 5 GND 232 signal ground...

Страница 14: ...e used to view and modify the configuration of the serial port More about stty command please visit https www gnu org software coreutils manual coreutils html stty invocation I View serial port config...

Страница 15: ...copy 1 systemctl enable redial 2 sys temctl start redial 3 sys temctl restart redial 4 sys redi temctl stop redial If need to enable redial al will occur after rebooting the device automatic 5 sys te...

Страница 16: ...the dual card function Shell copy 1 sudo nvram set cur sim 1 2 sudo nvram set wan1_ppp_sim2_apn sim2_apn If need to set an apn execute this command and replace sim2_apn with the actual apn Do not exec...

Страница 17: ...tion which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving a...

Страница 18: ...ie Canada applicables aux appareils radio exem pts de licence L exploitation est autoris e aux deux conditions suivantes 1 I appareil ne doit pas produire de brouillage et 2 I utillsateur de I apparei...

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