Linux

On a Linux server, there may be some zombie processes. The following describes how to quickly find and eliminate these zombie processes.First, we can use the top command to check whether there are zombie processes on the server. We can see the

Sometimes I think reading man's Manual in English is very slow, so whenever I want to use a command, I will go to Google to find it. Over time, an encyclopedia in a computer is wasted in vain. Why don't we use it and give it frequently-used commands

I have a strong curiosity and interest in Linux. Writing study notes will make me feel fulfilled. My memory is really bad. Well, the real reason is: If I can give a brief description of what I have learned, it will prove that I have learned what I

You can use the C language to create a daemon as follows: Int init_daemon (const char * pathname) { Struct sigaction Act; Int max_fd, I, RET; Char Buf [100]; /* Call fork for the first time to prepare for setsid */ Ret = fork (); If (0>

In traditional partition management, once the partition size is determined, it is difficult to change. Even if some software tools can do this, it will inevitably cause some data loss and reliability. After LVM logicalvolumemanager (logical volume

Keyword: RAR decompress Linux/Unix fedora archive Manager Body: Files with RAR extension are compressed files in windows. How can I decompress files on Linux/Unix platforms? Two methods are introduced here: 1. Download extract RAR Linux/Unix

Linux Kernel Analysis Method One of the biggest benefits of Linux is its open source code. At the same time, the

Command Line has always been the first choice for Linux users to solve the problem. When you need to do something, you only need to think about how to do it. From then on, you will know how to do it. However, few people spend some time

1. Files with. A extension:# Tar XV file.2. files with the. Z extension:# Uncompress file. Z3.files with the extension of .gz: # Gunzip file.gz4.files with the extension of .bz2: # Bunzip2 file.bz25.files with the extension of .tar. Z:# Tar xvzf

Http://hustwindmaple.spaces.live.com/blog/cns! 130e9965613b9994! 8732. entrygnu screen zzgnu screen -- treasure of mitbbs Linux * What is GNU screen? We often use our version. Basically, even if we haven't used the screen name, we have heard of

Write down the instructor's explanation and summary. Facilitate future query. I wrote it to my QQ space, but it was too lonely to communicate with you. I moved it again... Haha. There are three common methods for installing Linux: network

Maven is used to build an application in the past two days. Due to the large project, there are more than 700 pom S. XML file, even more depressing is in many pom. the URL of the resource library is specified separately in the XML file. I need to

Add a new driver for the android kernel and provide menuconfig optionsAdd a driver for Linux kernel 2.6.25 of Android.1. Add the hello directory under the drives directory, containingHello. c kconfig makefileHello. C content:# Include # Include

I have written some of my frequently-used commands for simple usage. Maybe my usage or my understanding is incorrect. Please note that the specific usage must be referred to manpage. 1. Man provides help explanations for familiar or unfamiliar

Http://bbs.chinaunix.net/thread-2055231-1-1.html 1. kernel initialization: * The kernel has established the kernel page Directory page table database. Assuming the physical memory size is Len, [3g--3g + Len] is created: [0 -- Len] linear

Semget () You can use the system to call semget () to create a new semaphore set or access an existing semaphore set: System Call: semget (); Prototype: intsemget (key_t key, int nsems, int semflg ); Return Value: If successful, the IPC

In Linux, each file has a file structure and inode structure. The inode structure is used to manage the kernel, while the file structure is usually used to read, write, or enable the file, disable. Of course, from the user's point of view, nothing

/Dev/SHM is loaded by default.It is called tmpfs. Some people say it is different from ramdisk (Virtual Disk. Like a virtual disk, tmpfsYou can use your RAM, but it can also be stored using your swap partition. In addition, the traditional virtual

Maybe you are an open source enthusiast, maybe you are excited for Linux, but what is in front of you is a cruel reality, it is too difficult to practice! OK. Today I will talk about how to configure web servers and simple applications in Linux

From: http:// OS .51cto.com/art/201108/285581.htm Linux top commands TOP Command is one of the most popular performance monitoring tools, which we must understand. It is an excellent interactive tool for monitoring performance. It provides overall