Linux

Learning environment: CentOS under Virtual machinecommand to shut down Linux system init 0How to switch between virtual terminals: Ctrl + ALT +[F1~F6]Clear screen Clear or ctrl+lStop Ctrl + CMan [command] View the command's reference manual[command]-

Memcached is a high-performance distributed memory object caching system that can be used to store data in a variety of formats, including images, videos, files, and database retrieval results, by maintaining a unified, huge hash table in memory.

1. rpm-q FTP to see if the FTP server is installed2. Yum Install vsftp FTP server3, modify the configuration file/etc/vsftpd the following ftpusers and User_list, these two files in the default user can not access4. Modify the configuration file vi

In Linux or Unix systems, deleting files via RM or File Manager will be unlinked from the file system's folder structure (unlink). However, assuming that the file isOpen (a process is in use), the process will still be able to read the file and disk

Recently encountered a problem, the migration code to the Linux system, re-build the PHP environment, run the code,In the login page, can not access the background, will return to the login page, the code test, no error reported,Finally check to be

1. Check the size of each file and folder in the current directory: Du-sh *2, the export file tree structure directory: tree/f >d:\a.txt3, MEMCACHEHow to run Memcache/usr/local/bin/memcached-d-M 10-u root-l 10.xx.xx.xx-p 12000-c 1024–p/tmp/memcached.

1.Example two: Listing the details of all directories in the current directory that begin with "T", you can use the following command:Command: Ls-l t*Example six: Calculating the number of files and directories in the current directoryCommand:Ls-l *

Install SVNYum Install SubversionCreate a warehouse devuseradd Svnpassword svn su - svnmkdir-p/home/svn/repositories/devSvnadmin Create/home/svn/repositories/devConfigure users and Permissions 1. Add Users and PasswordsThere are already passwd and

SU (superuser)SU is the switch user, such as: input: Su command after the return of the current user to switch to the root user, or: input: su-root (or other user name) here added "-" after the change of the current environment variable to the new

As we all know, LVS cluster type has NAT, Dr and Tun, today wrote this article is mainly to see the Marco Video, and then through the form of blog to review their own remember how much, write bad, welcome to spray!DR: The cluster node and director

"Linux application Daquan Server erection" Supporting video experiment content Download website:Http://pan.baidu.com/s/1mgD3Sq0"Linux Application Encyclopedia Server Set up" describes the Linux server configuration of all aspects of knowledge,

: http://nginx.org/1.2 DecompressionUsing the command: Tar zxvf nginx-1.8.1.tar.gz1.3 Switch to unzip directory, install dependentYum-y Install gcc-c++ pcre-devel zlib-devel1.4 Create the installation directory, pre-compile check--prefix indicates

Found an online tool to read Linux source Woboq, but not very good to read the live555 code.For example, we want to read Epoll implementation, you can visit this URL: https://code.woboq.org/linux/linux/fs/eventpoll.c.htmlLocal_irq_save

Today the disk is full, want to delete some old log files. Beginning to write a Python script, on second thought, maybe the shell script is better. It turns out that there is no need to write scripts, and a Find command can solve the problem.First

1. Check if the JDK is installed, and set the environment variable (java_home):Echo $JAVA _homeJava-versionOperation Result:Displays the installation path of the JDK, and the Java version, such as:#jdk路径/usr/lib/jvm/jdk1.8.0_112#java版本Java Version "1

There is no QQ on Linux too much trouble, check the wineqq installed up, the pro-test can be used drip ~ ~ ~ is the version is low, the installation steps are as follows:One. Install wine1. Add PPAsudo add-apt-repository Ppa:ubuntu-wine/ppa2. Update

Basic Linux and basic linux I. Introduction to Linux 1. Linux system definition: Linux is a free-of-charge and freely-spread Unix-like operating system. It is a POSIX and UNIX-based operating system with multiple users, multi-tasking, multi-thread

InfluxDB: basic concepts of InfluxDB and basic concepts of influxdb InfluxDB and traditional databases have many differences in concept. This article will introduce some basic concepts in InfluxDB. For more details about InfluxDB, see the InfluxDB

Understanding of kernel preemption and understanding of kernel preemption Whether the kernel can be preemptible is optional during kernel Compilation After reading the book "Understanding the Linux kernel in depth", the author thinks it is

Kali Linux secret/Web penetration secret/wireless penetration entry, kalilinuxKali Linux cheats Original book: Kali Linux Cookbook Translator: feilong Online reading PDF Format EPUB format MOBI format Github Git @ OSC Directory: Chapter 1