Linux

How to modify the host name in Linux You can use the hostname command to temporarily modify the machine name, but the original value will be restored after the machine is restarted. # Hostname // view the machine name# Hostname-I // view the IP

Host 59.71.94.125 Windows XP Virtual Machine 192.168.1.128 Ubuntu 10.10 FTP user name/password: Ubuntu/1 I. batch processing scriptProgramPassed to SD card Programs compiled in the Virtual Machine cross-compilation environment will be placed

-- Obtain the installation package. Download the package from the Internet or use wget directly. # Wget http://curl.haxx.se/download/curl-7.17.1.tar.gz -- Decompress the package to the current directory # Tar-zxf curl-7.17.1.tar.gz -- Enter the

Yesterday, I opened my Asus k42jz and cleared it. I found that after the instance is started, the selection interface and login interface of Windows 7 are always switched cyclically, and the system cannot be accessed. Occasionally, a blue screen is

ExeclpFind the file from the PATH environment variable and execute Definition: Int execlp (const char * file, const char * Arg ,......); Header file: # Include Description: Execlp () searches for the file name that matches the parameter file

This article can be reproduced at will, but the source and translator's name must be retained Translator: rainfish Source: http://blog.csdn.net/bat603/archive/2006/08/31/1146310.aspx Environment: redhat9 Xmanager latest:

1. I personally think that the author's understanding of Linux by Max is not as deep as that of Solaris, I do not know whether or not he has the following content about Linux from his own code reading and analysis or from third-party documents

In Linux, the following four application directories are commonly used:/bin,/sbin,/usr/bin,/usr/sbin Bin:The short description of "bin" as "binary" mainly places some necessary execution files of the system, for example: cat, CP, chmod DF, dmesg,

VmstatCommands are the most common Linux/Unix monitoring tool. They can display the status values of servers at a given interval, including CPU usage, Mem memory usage, and vmswap virtual memory switching, io read/write status. This command is the

Processes can be divided into I/O consumption type and processor consumption type.I/O-consuming processes spend most of their time submitting IO requests or waiting for IO requests. Such processes are often in a running state, but they usually run

I. Common MySQL database operations:Mysql-uroot-p123456;Mysql Mysql Show databases;Use hostcache;Show tables;Desc hostcache;Exit; Select * From hostcache order by timestamp;Select externalip, internalip from hostcache order by timestamp;Delete from

1. Implement the gettickcount function of Win32 API in Linux To port the gettickcount API function in Windows to Linux, you can use the following code: Long gettickcount (){Tms tm;Return times (& TM );} 2. ITOA porting for Windows and Linux

Http://blog.sina.com.cn/s/blog_73eb956401019cq1.html   Hash_map in Linux 1: header file # If 0 # If _ gnuc __> 2 # Include  # Include   Using namespace _ gnu_cxx; # Else # Include  # Include   Using namespace stdext; # Endif # Endif   2: map with

Http://mnt.conf.blog.163.com/blog/static/115668258201211734032988/ First, use the top command to sort by P in descending order of CPU usage    Then the PS aux | grep PID command can be used to determine whether a problem occurs in Tomcat. However,

Http://blog.csdn.net/ldd909/article/details/6168077  Note: Only when epoll et (edge trigger) mode is used, you need to check whether the data has been read. When the select or epoll mode is used, you do not have to worry about whether the data has

Http://www.cnblogs.com/tibetanmastiff/archive/2011/10/10/2205799.html     Scenario: According to Apache's working method, the pmap command is used to determine the memory usage details of an httpd process:   For example: 1. view how to use

Case 1:The logic of a stress testing program written by a colleague is: to send n 132-byte packets consecutively every second, then, N 132-byte packets are received consecutively from the backend service. The code is simplified as follows:

Program Description: in fact, the sampling rate and number of sound channels should have been set in the output function, but there are some strange problems. So a general # Define sample_rate 44100# Define channels 2# Define pcm_device "plughw: 0, 0

FreeBSD/ FreeBSD help FreeBSD-updates/ 2012-10-05 20:32 FreeBSD-updates help Archlinux/ Archlinux help Centos/ Centos help CPAN/ CPAN help Cygwin/

In Linux and all UNIX systems, devices are divided into the following three types: Block Device Character Device Network Device Block devices are generally written as blkdev, which can be addressable. The addressing unit is block. The block size