Linux

Original article link Pmap LDD Stace IPCS Several familiar Debugging commands!   Observe that the address space distribution of the specified process in the system shows the size of each segment of the target file in a target file or

Address: http://www.cnblogs.com/feisky/archive/2009/11/15/1603295.html /Etc/passwdRecord account information, but do not save Password /Etc/shadowSave User Password /Etc/groupSave allGroupName   Ls-lView Permissions: R w x S Corresponding

Original article link Linux --- tail command Linux tail command-used to View File Content The most basic options are cat, more, and less.1. If you only want to view the first five lines of the file, you can use the head command, for

First, describe the overall process and ideas: The client reads a line of text from the standard input and sends it to the server. After receiving the text, the server returns the text directly to the client, that is, Echo. TCP protocol is used as

Previously, the project had been using the cvsnt of the Win32 Environment Source code Version Management, finally one day unable to stand the performance of running CVS under Windows (on the one hand, CVS is very slow, on the other hand, the

I still remember that according to the evaluation results sponsored by Microsoft's "get the facts" series last year, the TCO-total cost of ownership of Windows systems is significantly lower than that of Linux systems. This year, IBM reported that

On leave this morning, you can see this link on Slashdot: Http://www.linux-watch.com/news/NS8124627492.html Because it is in English, I will briefly describe it in Chinese, which does not represent my personal point of view. If you are

Usage: rpm [option...] Query options (parameter-Q or -- Query ): -C, -- configfiles: list all configuration files -D, -- docfiles: list all document files -- Dump: Export basic file information -L, -- list all files in the package -- Queryformat =

Original article link Here we will use some instances to learn the Netcat command. 1. Use Netcat in the server-client architecture The Netcat tool runs in server mode and listens to specified ports. $ Nc-l 2389 Then you can connect to port 238

Original article link 1. RoleThe kill command is used to stop a process. 2. FormatKill [-S Signal |-p] [-A] PID...Kill-L [Signal] 3. Parameters-S: Specifies the sent signal.-P: analog transmission signal.-L: Name List of the specified

Original article link 1. What is a partition?Partitioning refers to dividing a hard drive into several logical drives, and partitioning refers to using the continuous blocks of the hard disk as an independent hard disk. A partition table is an

Original article link 1: Host fun: host can be used to query domain names, but it can get more information. Host-T MX L Inux.com can query the MX record of linux.com and the Host Name of the mail processing host. Host-l Linux . Com will return

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->// Include/linux/list. h Struct list_head { Struct list_head * next, * prev; }; # Define LIST_HEAD_INIT (name) {& (name), & (name )}# Define LIST_HEAD

1. TCP/IP Reference Model To achieve the interconnection of various networks, the International Organization for Standardization (ISO) has developed an Open System Interconnection (OSI) Reference Model. Although the OSI architecture is theoretically

Linux's I/O mechanism has gone through several stages of evolution: (1) Synchronous blocking I/O: User processes perform I/O operations until I/O operations are completed. (2) non-blocking I/O synchronization: the user program can set the O_NONBLOCK

As we first installed the graphics card driver for TurboLinux on VMWare, we needed to use the optical drive. I used the optical drive for the first time. I also went to/mnt/cdrom for a powerful ls. Nothing. You can only find out after searching the

Method 1 Sudo aptitude purge ~ Ilinux-image -.*\(\! 'Uname-R '\) Method 2 Sudo apt-get autoremove Method 3 Uname-a # Use this command to view the Kernel used by the current system. Dpkg -- get-selections | grep linux # list the current kernel. The

1. Installation preparationCurrently, to run IE in Fedora, Wine is inevitable. Therefore, first install Wine. In addition, cabextract is used in IEs 4 Linux. The installation command is as follows:Yum-y install wineYum-y install cabextract2. Install

1. Run the following command to view the kernel version: 1) [root @ www ~] # Cat/proc/versionLinux version 2.6.9-22. ELsmp (bhcompile@crowe.devel.redhat.com) (gcc version 3.4.4 20050721 3.4.4-2) #1 SMP Mon Sep 19 18:00:54 EDT 2005 2) [root @ www ~] #

1. install Apache1. InstallGo to the apache installation directory, edit the/server/mpm/worker. c file, and change the parameters to # define DEFAULT_SERVER_LIMIT 2560 and # define DEFAULT_THREAD_LIMIT 500. Create an apache directory   #./Configure -