1. Check whether FreeType is installed
Rpm-Qa | grep FreeType
If not, compile FreeType and download it here.
./Configure -- prefix =/usr/local/FreeType
Make & make install.
2. Check whether libjpeg is installed.
Rpm-Qa | grep libjpeg
If not, compile
Question: Today I saw an article about viewing CPU and operating system information. I will share it with you, O (CPU _ memory) O!
Understanding CPU architecture http://blog.csdn.net/wyzxg/archive/2009/12/17/5027738.aspx
I briefly summarized the CPU
Inter-process communication refers to the Process Communication and information exchange between multiple processes. Linux IPC is basically inherited from the UNIX platform. It mainly includes the original Unix IPC, System v ipc, and socket-based
Introduction to the Linux scheduled scheduling system cron
Cron is a scheduled execution tool in Linux. It can run jobs without human intervention. This document does not introduce the implementation principle of cron. It mainly describes the
Install/integrate/configure Tomcat 5.0.20 and Apache 2 in Linux
PrefaceOfficial WebsiteHttp://jakarta.apache.org/tomcat/connectors-doc/2004/11/15/has announced that JK2 will not be further developed.The reason is that the installation and
OA is a small web server that can be used on multiple platforms and is common in embedded systems.
BOA's official website is www.boa.org, where you can download the latest version of BOA: boa-0.94.13.tar.gz (but this "latest" is something N years
Through this article, you can understand the basic concepts, history, and development of Linux and UNIX;
First of all, we will briefly introduce UNIX and Linux, so that readers can compare their differences and understand why Linux is very good and
1. Comparison of several kernel debugging tools
KDB: Debugging can only be performed at the compilation code level;The advantage is that two machines are not required for debugging.
GDB: it lacks some essential functions when debugging A module. It
BecauseLinuxWe often need to check the traffic in Linux. The following three methods can solve the problem of checking the current traffic.
Iftop ToolPurpose: monitors the network status and bandwidth used by each IP address in real time.
Iftop
In the past, many embedded systems were not an operating system, a provider's proprietary core, or a DOS Operating SystemExtension. Obviously, these methods cannot meet the requirements of embedded system development today! Existing real-time
Gdbm is installed by default in most mainstream Linux distributions, but in some distributions, you may need to use the Package Manager to install the corresponding development library. For example
In ubuntu, you may need to use the Synaptic Package
When the kernel returns from a system call or from an interrupt handler, the kernel checks whether the current process has set the tif_need_resched flag; or when the process voluntarily waives the CPU (sched_yield, sleep, or receives sigstop,
Path for Linux Device Driver engineer-input subsystem
K-style
Reprinted please indicate from Hengyang Normal College 08 electric 2 k-style http://blog.csdn.net/ayangke,QQ:843308498 mailbox: yangkeemail@qq.com
I. input subsystem System
In Linux, KDE is a long-history desktop environment. Currently, gnome is usually used, and it is also the default desktop environment after Red Hat Enterprise Linux 4 is installed. But some people are still used to the KDE Desktop, so how to switch
Terminal DevicesA terminal (or TTY) device is a special character device. A terminal device is any device that can assume the role of a control terminal in a session, including the virtual console, serial interface (obsolete), and Pseudo Terminal
To curb the further development of Linux in the enterprise's large-scale host market, Microsoft recently launched a strategic project called Microsoft's mission critical (MCM. Although this strategy is an internal project, it is likely to evolve
Industry analysts said that if the Linux system can overcome interconnectivity, it will further threaten Microsoft's monopoly in the desktop and laptop markets, and this is only a matter of time.
Warren shiau, director of software research from
Applications developed on Ubuntu often touch the touch screen. The following describes how to disable touch screens.
Which of the following methods can be used to disable an instance on the Internet?Failed. Methods disabled on Ubuntu.
1. install
The second parameter of the signal installation function sigaction (int signum, const struct sigaction * Act, struct sigaction * oldact) is a pointer to the sigaction structure (the struct name is the same as the function name, do not confuse it ).
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