Linux

From to today, I finally completed the first compilation and running of my LFS (Linux from scratch), and countless redo operations finally paid off. : This is the logon interface selected by the system. The host system is ubuntu10.04. The above

Install Google Chrome; $ Sudo dpkg-I google-chrome-stable_current_i386.deb Google-chrome-stable depends on libcurl3. However, libcurl3 is not installed. Dpkg: An error occurred while processing Google-chrome-stable (-- install): $ sudo apt-Get

# Include # Include # Include # Include # Include Using namespace STD; Int main (void){Char buff [] = "/home/WHC/Test2 /";// 1 opendir () and closedirDir * dir = NULL;Dir = opendir (buff );If (null = DIR)Cout Else{Cout Closedir (DIR );} // 2

  Ubuntu Server The size limit of the uploaded file is 2 MB by default. To upload a large file, set/etc/PhP5/apache2/PHP. INI (I installed PhP5. If not, try to find PHP directly. INI, say yes in advance, this has not been tested)

Linux Kernel search and source code download Release date: Source: IBM developerworks Chinese Author: Daniel Robbins President/CEO Kernel versionTo compile the latest kernel, you must first download its

# Ftp host name/IP/* log on to the FTP server, and you will be prompted to enter the user name and password */ Anonymous Logon: username input: anonymous Password Input: any string in the email format Ftp> ASCII: Set File Transfer in ASCII mode

PS is the most commonly used and very powerful process view command in Linux 1. PS OverviewThe two commands described above are used to view the current system user situation. The following describes the process situation, which is also the topic of

After installing httpd today, we have integrated apache2.2 and tomcat 7; When you restart apache2.2, the following error occurs: [Root @ hb86 conf] # service httpd restart stop httpd: [failed] Starting httpd: cocould not reliably determine the

If possible, we recommend that you use the FAT32 format instead of NTFS for Windows partitions mounted on Ubuntu. Because of the confidentiality and lack of NTFS file system structure documents, UBUNTU does not support NTFS very well. If you have a

Http://www.perfgeeks.com /? P = 18 Here we apply centos5.3, and the kernel uses 2.6.18-128. el5pae #1 SMP. Some of the modifications to TCP are aimed at improving performance and load, but there is a risk of reducing stability. Some are security

After the Linux 2.6 kernel, you can use CAT/proc/diskstats to view the specific disk I/O pressure: 8 0 SDA 130767120 478199 2848404253 865895766... 8 1 sda1 58 740 1598 96 2 0 4 0 0 96 96 8 2 sda2 4031326 3249 64502142 3693948... 8 3 sda3 142 326

In Linux Kernel Parameter Adjustment, there are several parameters that can be adjusted. For example, you can use netstat to find The number of time-Wait instances is as follows: Netstat-AE | grep 1521 | grep Root View: VI/etc/sysctl. confWe can

This command is commonly used in Linux Performance AnalysisTool to display the resource usage of each process in the system in real time, similar WindowsOf Task Manager. The following describes how to use it. Top-01:06:48 up :22, 1User, Load

Although secur CRT can use RZ to transfer files in Linux, we still need to learn how In Linux, FTP is configured. This article explains how to use vsftpd to make a summary. 1. Install vsftpd. rpmRpm-uvh vsftpd. RMP2. Install the DB ToolkitRpm-uvh

I. Instead of using the actual memory immediately after malloc, I found that the physical pages corresponding to the virtual memory were not allocated during the first usage (such as memory assignment and memset operations), resulting in

I. Currently the most common Server Model 1. Cyclic server: the server can only respond to requests from one client at a time. 2. Concurrent Server: the server can respond to requests from multiple clients at the same time. II. Implementation Method:

Simplest character device driver code Scull. c #include #include #include #include #include #include #include #defineSCULL_MAJOR252#define SCULL_NAME"scull"#define MAX_DATA0x1000staticint scull_major = SCULL_MAJOR;struct scull_dev {struct cdev cdev;

Driver code dma.c #include #include #include #include MODULE_LICENSE("DUAL BSD/GPL");staticint __init alloc_pages_init(void);staticvoid __exit alloc_pages_exit(void);struct page *pages = NULL;int__init alloc_pages_init(void){pages = alloc_pages(GFP_

Second. C code #include #include #include #include #include #include #include #include #include #include #defineSECOND_MAJOR252staticintsecond_major =

 1. objective to create and use a new system call on ARM-Linux 2. experiment content and principles (required) 1. Modify system call related files, compile the kernel 2, write the Test Program 3, download the file to the target machine for testing 3.