Linux

Use Xshell to view the Tomcat real-time log, the Chinese garbled, but the log file in Chinese is not garbled, there may be two reasons, the system may not be set i18n support Chinese, or Xshell encoding format does not support Chinese, the solution

The operating system wants to use the user 's concept to limit which resources users can and cannot use, and groups are used to facilitate the organization and management of users.Concepts of users and groupseach user has a userid, and the operating

Linux under the user's operation is relatively easy to understand, the basic operation is as follows:1. New UsersOnly the root user can create a new user[Plain] view plaincopy650) this.width=650; "src=" Https://code.csdn.net/assets/CODE_ico.png

Linux under the user's operation is relatively easy to understand, the basic operation is as follows:1, new users only the root user can create a user#useradd user1When created, a user home directory with the same user name will be generated in

The role of the MMU in Linux:1. Conversion of virtual reality2. Control memory Access allowed--The physical address is not continuous, it is converted into a continuous virtual address, and the programming is more convenient.--can map memory to 0

Classification:Source Package (script installation package, similar to Windows installation package)Binary package (RPM package, system default package)Naming rules:RPM Dependent:installation Example:Mounting discsGo to the Package directory:To find

1) Install Openssh-server# yum Install Openssh-server 2) Check to see if the Openssh-server has been successfully installed# Rpm-qa | grep openssh-server 3) Modify the SSH service configuration file (need to change under the root user)Open/etc/ssh/

First, installation1 installing cmake and some dependent librariessudo apt-get install CMakesudo apt-get install build-essential libgtk2.0-dev Libavcodec-devLibavformat-dev Libjpeg.dev Libtiff4.dev Libswscale-dev Libjasper-dev2 Installing

. tarUnpacking: Tar xvf Filename.tarPackage: Tar cvf filename.tar DirName(Note: Tar is packaged, not compressed!) ）———————————————. gzDecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzCompression: gzip FileName. tar.gz and.

Swap is the swap partition under Linux, similar to the virtual memory of windows, when the physical memory is low, the system can put some memory of infrequently used programs into swap, to solve the situation of physical memory shortage.If the swap

After installing the Yum source, installing the MYSQL,SVN is quite simple, the following will be a simple installation of SVN with Yum, about the configuration of the Yum source, please refer to: http://blog.csdn.net/tjcyjd/article/details/416468891.

Configure the web-based squid 3.1.23 for CentOS Environment list: Centos 6.4X64 Squid 3.1.23 Squid is still a popular web Proxy Server software. It has been developing for a long time. Of course, in addition to its old-fashioned systems, Squid

The zlib solution cannot be found when LTIB is compiled in Linux. ltibzlib Recently I was using the ARM-based Cortex-A9 kernel. MX6Q quad-core processor is used to develop a product. When compiling LTIB on ubuntu 12.04, zlib cannot be found

Fping of the latest CentOS network ToolPing is the most common command tool in the system, and fping is the enhanced version of ping. The installation process is very simple: [root @ mail/] # wget -- limit-rate 500 khttp: // www.fping.org/dist/fping-

Ing relationship between virtual addresses and physical addresses in Linux  1. Virtual Space   0-3G user space 0x00000000 ~ 0 xbfffffff 3-4 GB kernel space 0xc0000000 ~ 0 xffffffff Each user process has an independent user space (virtual address 0-3)

Common linux commands for File Processing Command name: touch Path:/bin. touch Execution permission: All Users   Oot @ localhost tmp] # touch list.txt [root @ localhost tmp] # touch/root/list.txt [root @ localhost tmp] # touch program files [root @

For linux, visit £ó ü üámön during zookeeper ~â N during zookeeper. Ü üáî û ³ £ £° gzip ?¢ gunzip Please refer to the following link for more information: ° .gz ° ó × ° £;öön? Ä ä£ £ £%²» äün? Ä äâ  ¼ £%²» ± £áá ô Ô 'ä ä¼ þ vcD4KPHA +

Collect files using common linux commands Command name: find   317 find/etc-name iniy 318 find/etc-name servi * 319 find/etc-name init ??? 320 find/etc-iname init ??? 321 find/-size + 204800 # The First Data byte is 512 k 0.5 find/home-user test 322

Build an enterprise email system on the CentOS ServerEnvironment Introduction: Software Package version -------------------------------------- CentOS 6.5X64 Postfixadmin-2.91.tar.gz Postfix-2.6.6-6.el6_5.i686) The postfix-2.11.1.tar.gz

Inotify + rsync for real-time network data synchronization on the CentOS Server Instance: Assume that web01 and web02 are the company's websites. We add data to the content publishing server. inotify detects that data updates are transmitted to web01