最近更新cydia的时候出现了sub-process/usr/libexec/cydia/cydo returned anerror code（2）的红字,网上找了很多方法都不行,都说只能重新刷机解决,但是我现在是8.1.2,8.4又关了,8.4.1也不能越狱,宁愿以后都不升级插件也不想入狱...最后死马当活马医,想说既然是升级出现的问题,那删掉有关升级的东西就行了,所以就把var/lib/dpkg/updates里面的东西全删了(有很多序号的文件和一个tmp.i文件),结果居然可以了!!!
The Raspberry Pi 2 Model B is the second generation Raspberry Pi. It replaced the original Raspberry Pi 1 Model B+ in February 2014. Compared to the Raspberry Pi 1 it has:
A 900MHz quad-core ARM Cortex-A7 CPU
1GB RAM
Like the (Pi 1) Model B+, it also has:
4 USB ports
40 GPIO pins
Full HDMI port
Ethernet port
Combined 3.5mm audio jack and composite video
Camera interface (CSI)
Display interface (DSI)
Micro SD card slot
VideoCore IV 3D graphics core
Because it has an ARMv7 process...