Linux

Text lookups can be implemented in two ways, using the locate command to find and find commandsSo what's the difference between these two ways?Locate: is a kind of non-real-time search, so-called non-real-time search is not practical, not accurate.

QT Resource Files1. New file or project-"QT Resources"2. Add, Resource Name (Image), select Path, complete3, open image.qrc, add suffix, general is/4. Add a file, add a picture5. Call (:/11.png)Turn

First, the principle of briefUnder Linux, recording--reading data from a DSP device, putting a sound--writes data to a DSP device.The Development Board uses the sound card UDA1341 realizes the audio codec, completes A/D and D/a conversion, the chip

Original: Http://blog.sina.com.cn/s/blog_7090b8670101b0bi.htmllinux Drive transplant (NAND,YAFFS2)After the smooth migration of Linux operating system, although the Linux kernel ran on board, but at this time Linux does not support the Board of the

Linux interprocess communication (IPC):In addition to the process and process communication between the Linux system, I think we should also focus on how user space and kernel space is communicating, such as NetLink and so on. In addition to

The Linux system already has Samba installed by default, but the Samba service is not installed:1, first check the installation: Rpm-qa|grep SambaDepending on the installation of the system, choose to download or install the missing RPM package

1. Time of Linux filesThere are three main types of files under Linux:1.1 Modification Time (mtime)File modification time, that is, the modification of the contents of the file, update this time, do not include file permissions and property

The difference between the Linux array base "${a[*]} and $ A"In bash, there are two ways to assign an array variable:(1) name = (value1 ... valuen) the subscript starts at 0(2) Name[index] = valueThe following is a simple script stating the

Last time I said something about the port number, this time, I'll talk about the ports limit.Often see the book on security will say "do not open redundant ports", then, how to limit the port is good?In practice, there are 2 ways in which port

The SYSCTL directive is the setting of the core parameters of the system:Usage:-A parameter lists all the core settings in the systemOf course, these core settings are files that are stored in the /proc/sys/net directory. To cite a representative

First, the basic data structure1 Union M_block2 {3Union m_block*Next;4Unsignedintsize;5 };6 7 structm_list8 {9Union m_block*Free ;Tenpthread_spinlock_tLock; OneUnsignedintsize; A }; - - structM_pool the { - structm_pool*Next; - }; - +

http://apps.hi.baidu.com/share/detail/37384818Download ADT linkHttp://dl.google.com/android/ADT-0.9.6.zipDownload SDK linkhttp://dl.google.com/android/android-sdk_r11-linux_x86.tgz (Can be through the wall to get a detailed file name, and then

The advantage relative to the ordinary disk is that the logical volume can be dynamically stretched online (without first unmount operation), as long as there is enough space in the VG to1: First check if the VG has enough space[Email protected]

Install JDK version 1.6.0_12One. Download JDK: http://download.java.net/jdk6/Choose Linux Platform jdk-6u12-linux-i586.bin Copy the download to/usr/local (feel free to find a place)Oracle acquires the

I received an alert email from zabbix yesterday. The usage of the/home directory on one server reached 90% or more. I checked and found that MongoDBPut the data files in this directory.As a result, the disk usage is very high, and the MongoDB data

When you use the vi command on linux to modify the content of a file, you find that the file cannot be saved. Each time you finish writing the file, use ": q !" Command can exit normally but use ": wq! "When saving the file and exiting the command,

The vi editor is a text tool that processes ASCII data. Most linux distributions have already installed the vi editor by default. Vi is short for visual interface. vim is visual interface improved (enhanced version) vi. By default, vim supports Code

1. Install the library pcre on which nginx depends: Http://sourceforge.net/projects/pcre/ 2. Decompress pcreZip decompression method: unzip pcre-xxxTar decompression method: tar-xzvf pcre-xxx 3. Run configureCd prce-xxx./ConfigureIf an error occurs:

Turn: http://hi.baidu.com/firstm25/item/8fe022155e1fa78988a9568f  Abstract:The device driver is the interface between the operating system kernel and the machine hardware. The device driver shields applications from hardware details. How to write

View Linux kernel route table Use the following route command to view the Linux kernel route table. # routeDestination Gateway Genmask Flags Metric Ref Use Iface192.168.0.0 * 255.255.255.0 U 0 0