Dxdt blockchain
RFID (radio frequency identification) is a kind of technology that uses radio frequency technology for short-range wireless identification. It should be said that RFID involves RF (radio frequency) technology
it can be said that RF is a general technology and RFID is a professional direction.
bus line: no.m359 → Longgang line, the whole journey is about 46.3km
1. Walk about 210m from Shenzhen railway station to Pingshan station
2. Take no.m359, pass 7 stations, and reach Shuanglong subway station ②
3. Walk about 110m to Shuanglong station
4. Take Longgang line, pass 27 stations, and reach Shopping Park Station
5. Walk about 220m, Arrive at ping an international financial center
Linux graphical interface can't input commands directly. You need to input or switch to the command line interface in the terminal
input command steps in the terminal:
1. Right click on the computer desktop and select "open terminal"
note: press Ctrl + Alt + F (2-6) to switch 5 non-interference command-line interfaces, and switch back to the graphical interface as Ctrl + Alt + F1
1. On the front page of Linux, use Ctrl + Alt + T to open the terminal
The reason why CA certificate is not activated in the system is that when CA logs in to the system, the system will first compare the issued CA information, and then log in to the system normally after matching; But when the CA information is not found, it will prompt that the lock is not registered in the system
the solution to the problem that CA certificate is not activated in the system is: when the transaction subject logs in to the system, only the corporate CA can be used to log in, but not the personal ca. therefore, first of all, it should be determined whether the lock is the corporate ca. You can check the current CA usage in the certificate wizard
when checking the identity of the current Ca, please note that when the transaction subject logs in to the system, the transaction subject system must be selected. You cannot log in using the center or the supervision department
extended data:
if the CA certificate is downloaded locally, it can be manually imported through IE's import method. If it is successful, the system will prompt that the CA certificate is not activated in the system
apply for CA certificate for free for the first time and update it for free
The warranty period of CA certificate is one year (within one year from the date of issue). The failure caused by the quality of the proct itself can be repaired or replaced free of charge (with the of the three in one business license (with official seal) and the damaged certificate), and the operating system with CA certificate, such as Windows XP or windows 7 or higher version, can be used