Linux

Basic knowledge of the road:1) Routing ConceptsRouting: The process of forwarding packets across an internetwork from a source host to a target hostRouters: devices that can forward packets to the correct destination and select the best path during

Often see the author of the Linux software in the introduction of the installation software, in front of the command with a backslash, do not understand the meaning of the data later to know that this is to cancel the call of the alias, using the

1./the proc directory Linux kernel provides a/The proc file system, which accesses kernel internal data structures at run time, and changes the kernel setting mechanism. The proc file system is a pseudo-file system that only exists in memory and

Understanding hard links and soft links for LinuxDirectory structure/              根目录├── bin     存放用户二进制文件├── boot    存放内核引导配置文件├── dev     存放设备文件├── etc     存放系统配置文件├── home    用户主目录├── lib     动态共享库├── lost+found  文件系统恢复时的恢复文件├── media  

First, socket programmingNetwork function is an important feature of Uinux/linux, has a long history, so there is a very fixed programming routines.TCP-based network programming:Based on the connection, the server and client remain connected and

6.1: Compression Packaging Introduction:Compression: Saves space, facilitates transport, and consumes less bandwidth resources:Common types of compressed files:Windows: . rar. zip. 7zLinux: . zip. gz. bz2. xz. tar.gz. tar.bz2. Tar.xz1. Compression

Shmall and Shmmax parameters of the kernelShmmax= is configured with the largest memory segment size: This setting is much better than sga_max_size.Shmmin= the smallest amount of memory segmentShmmni= the total number of memory segment for the

Linux System Dynamics IP acquisition and Static of addresses IP configuration of the addressToday in Linux The system has done the following experiments in this experiment encountered in the knowledge points and the experimental process is as

SU: Switching usersCD: Switch directoriesPWD: Show current directoryClear: Clear command shortcut key: ctrl+lLS: Displays the files in the current directoryLs-l = = ll: Displays files in the current directory in a user-friendly formatLs-i:Ls-al:

Reference Source: http://www.cnblogs.com/xiaochaohuashengmi/archive/2011/10/08/2203153.htmlRPM Execution Installation packageBinary packages (binary) and source code packages (sources) are two types. Binary packages can be installed directly on the

Clonezilla is a partition and disk cloning program for Linux,free-net-openbsd,mac OS X,windows and Minix. It supports all major file systems, including EXT,NTFS,FAT,XFS,JFS and BTRFS,LVM2, as well as VMware's Enterprise Cluster file system VMFS3 and

Advanced Programming in the UNIX Environment (third edition) is a well-known programming book for Unix systems.However, the code example in the book, in order to correctly compile the run, you need to prepare the work:1. Download the source

Translation: Brother Fei ( http://hi.baidu.com/imlidapeng )All rights reserved, respect other people's labor results, please indicate the author and original source and this statement when reproduced.The original name: "Linux Performance and Tuning

Linux is now the IT industry is one of the hottest industry, many friends in the sight of its fire and training courses of all kinds of fancy propaganda will be among the impulse, but we ugly words said in the front, the newspaper class study is I

CYGWIN/GCC and MinGW are all GCC's compilation environments under Windows, but what is the difference between these two compilers in real-world work.CYGWIN/GCC can be fully and in the GCC under Linux equals, this can be seen from the division of the

GitLab Server tutorial in Ubuntu 16.04, 16.04 gitlab I. Members of the "git" Family First, I solve a problem that is easy to confuse, and I often confuse it: Git is a version control system, a command, and a tool. Gitlib is a development library

Master Data Maintenance and SAP data maintenance for the sap PP module production versionPP production version master data Production Version)The master data is one of the most important basic data in the process of executing the production business.

How to use the device tree of linux drivers and how to use the device tree of linux drivers The Device Tree describes the hardware from the software perspective, and DTS is the Device Tree source file. DTC is responsible for converting DTS to DTB,

How to Use the Linux grep command to find all files with specific textPurpose This article provides useful tips on how to find a specific directory or all files containing a specific word or string in a Linux File System.Conventions #-Directly run

Centos7 open firewall PORT command, centos7 FirewallCentos 7 uses firewalld instead of the original iptables. The usage is as follows: >>> disable the firewall. Systemctl stop firewalld. service # stop firewallSystemctl disable firewalld. service #