VirtualBox error reporting "kernel driver not installed(rc=-1908)"

Software environment:   Ubuntu16.04   VirtualBox5.1.34 When installing VirtualBox, the following error prompts appear when opening the virtual machine: Firstly, the modprobe VBox DRV reload module was executed with root privilege according to the prompt, but the VBox DRV module could not be found. So t ...

Posted by amar3d on Tue, 05 Feb 2019 16:45:16 -0800

Homemade Operating System Antz day10-Implementing Shell (Part I)

I've standardized the style of system code, similar to subcontracting linux to differentiate the functions of each part. Antz System Update Address Linux Kernel Source Code Analysis Address Github project address In the previous task, we have completed simple graphics by directly operating the graphics driver. Need to know the previous part: D ...

Posted by msielski on Sun, 03 Feb 2019 13:42:15 -0800

Homemade Operating System Antz day11-Implementing shell (next) command response

I've standardized the style of system code, similar to subcontracting linux to differentiate the functions of each part. Antz System Update Address Linux Kernel Source Code Analysis Address Github project address In the previous task, we have completed simple graphics by directly operating the graphics driver. Need to know the previous part: D ...

Posted by jmantra on Sun, 03 Feb 2019 11:51:16 -0800

Android mk refers to jar package, so library, aar package, system signature

Please indicate the original blog address for reprinting Write at the front When Ubuntu compiles system source code, it is necessary to configure all kinds of things in the mk file. Compared with typing code in Android Studio, it is really TMD trouble (at that time, there seemed to be tens of millions of horses running around), but the mentalit ...

Posted by Switch0r on Fri, 11 Jan 2019 08:57:12 -0800

Linux Introduction to Linux/Android System Knowledge--Writing Linux Drivers

Preface Because of its versatility, wide employment, free source code and other reasons, Linux has become popular in recent years, ranging from cloud servers to routers. Knowing that various Linux books recommend a wide range of, "ldd3", "Inside Source Code Situation Analysis", "Deep Understanding of the Linux Kernel& ...

Posted by irishprogrammin on Tue, 01 Jan 2019 22:06:08 -0800

Multi-file compilation and connection of c/c++ based on Linux and Windows

    Sometimes writing small programs, but do not want to start 2013, vscode has become my first choice. When I first came into contact with vscode, I was able to compile C/C++ by configuring a lot of things on the internet, but when it comes to many files, I had to open vs2013 obediently. The other day when I was configuring ...

Posted by dennyx on Fri, 21 Dec 2018 23:33:05 -0800

Read chip registers (including i2c-tools) through I2C on Android phones

Read chip registers (including i2c-tools) through I2C on Android phones tags: Android Linux i2c driver Requirement: Colleagues dump a brand of mobile phone, Android system, need to read out the register configuration parameters of a chip inside. Tossing for two days (pit daddy's network and... xxx wall), record it for future queries Tra ...

Posted by christofurr on Thu, 20 Dec 2018 06:42:04 -0800

En28j60 network card driver module is added into linux kernel, Kconfig, Makefile configuration process

This is to add enc28j60 network card driver module in http://www.cnblogs.com/hackfun/p/6260396.html to the 2.6.22.6 kernel without any modification of the module code. You just need to modify some configurations in the relevant configuration script files in the kernel directory, such as Makefile, Kconfig,.config, etc. Several files used in enc2 ...

Posted by Michael_C on Thu, 20 Dec 2018 06:24:05 -0800

Principle and process analysis of Android OTA upgrade (8) - - the execution process of update_binary

Principle and Process Analysis of Android OTA Upgrade (VIII) - Execution Process of Upgrade Program update_binary 1. Analysis of the execution process of update_binary The program binary executed by the child process in the previous article is actually update-binary in the update.zip package. As we mentioned above, Recovery services do ...

Posted by brax23 on Tue, 18 Dec 2018 18:36:04 -0800

The Use of MySQL Database-MySQL API Interface in C/C++ Language

MySQL C API migration Porting MySQL header files Makefile Project Visual Studio Project Porting MySQL Library Files Makefile Project Visual Studio Project Add MySQL sample MySQL C API Header file contains Log in to MySQL mysql_initmysql_real_connect Operating MySQL mysql_query Close MySQL mysql_close Read ...

Posted by ruano84 on Wed, 12 Dec 2018 18:09:08 -0800