Linux

Linux contains commands executed by the administrator root and commands managed by common users: Put the commands run by Root in/sbing and/usr/sbin. All users execute commands in/bin and/usr/bin     By default, there is a built-in user nobody in

「 Blocking and non-blocking definitions 」A blocking operation means that when a device operation fails to obtain the resource, the process suspends until the operation meets the operational conditions. The suspended process enters the sleep state

  Every time we install ubuntu9.10, the next thing we need to do is update the software and Language Pack in it, and the update source of ubuntu will be downloaded very slowly, so we can change the update source, so that he can download it quickly

  Environment: ubuntu 10.10 JDK1.6.0.27 hadoop 0.20.2   1. Install JDK in ubuntu:   1. Download jdk-6u27-linux-i586.bin   2. Copy to/usr/java and set the object operation permission.   3. $./jdk-6u27-linux-i586.bin start Installation   4. Set the

  Some netizens once asked us when we could produce paper, and some publishers once contacted the publishing, but all of them failed due to the fact that some of the content was too entertaining. I didn't want to publish books when I was writing it.

Q1. What is GNU? What is the relationship between Linux and GNU?A: 1) GNU is Not Unix recursion abbreviation. It is a project of the Free Software Foundation (FSF), which has developed many high-quality programming tools, including the emacs editor,

Q1. What are the concepts of programs and processes? Why should we introduce the concept of "process?A: 1) a program is a common file and a collection of machine code commands and data. These commands and data are stored in an executable image on

Use ssh authentication in linux without entering a password to access another machine In work, ssh authentication is usually performed on each machine that logs on to another machine through ssh, so you do not need to enter a complicated password

In the File Permission section described in the previous section, we used the ls-l command to view the first character in the first column. In addition to the file types we mentioned earlier, what types of files are there? We also know that in

First look what ulimit is: http://baike.baidu.com/view/4832100.htm In linux, you can use ulimit to modify the maximum number of files simultaneously opened by a process. However, if your account is not a root account, but has sudo permissions Sudo

SQL> edit Wrote file afiedt. buf 40 As shown in the preceding figure, After setting vi as the default editor, there is no problem:SQL> set _ EDITOR = viSQL> ed However, in this case, I only set session settings, which will expire after

Http://nginx.org/en/download.html Http://php-fpm.org/ Compile and install Linux NginxTar zxvf nginx-0.6.35.tar.gz cd nginx-0.6.35/ Default installation:./configure make & make installBy default, Nginx is installed in/usr/local/nginx. You can change

  Install openmanage on dell r710   When I started to use the built-in CD installation, the system prompts that the library file is missing, and then I used yum to install it.   1. wget-q-

  This is the most detailed Chinese Document on NFS configuration. 1. NFS package NFS requires 5 RPM, which are: Setup-*: the shared NFS directory is defined in/etc/exports. Initscripts-*: includes the BASIC script for loading the network directory

  Many of my friends may have a headache for some long-running tasks in the actual linux server management work. When something leaves, we turn off the connection terminal and disconnect SSH, the program running just now is also automatically

After introducing the usage of Vim in the previous blog (VIM Study Notes), this article has reached the historical highest access volume. In the previous article, we introduced the basic usage of VIM, which is basically a summary of unfamiliar

  System Environment: ubuntu destop 11.10 At that time, I needed to see the normal Serial Output and output the serial content to the file in real time.   Next we will focus on two main tasks: 1. Installation 2. Configuration I believe that everyone

  1. First we need to download the ntfs-3g.   Http://www.tuxera.com/community/ntfs-3g-download/   2. decompress and install     [Root @ guo ~] #./Configure [Root @ guo ~] # Make   [Root @ guo ~] # Make install # or 'sudo make install'     3. Mount

  After I installed the software on the drive, I found that the drive could not pop up. Linux-34:/# eject Umount:/media/SLES100_001: device is busy Umount:/media/SLES100_001: device is busy Eject: unmount of '/dev/sr0' failed Found in use? If you

  1. Install nginx: 1. Install the pcre Library. The nginx rewrite template must be used in the pcre Library: 1. mkdir-p/works 2. cd/works 3. wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.20.tar.gz 4. tar-zxvf pcre-8.20.tar.gz 5 .