Linux

Reprint: http://hi.baidu.com/linuxlife/blog/item/0d3e302ae2384d3a5343c1b1.htmlLinux under the dynamic library with. So as the suffix, I am also the first to use the dynamic library under Linux, write a little introductory step, so that later can be

recently discovered that the machine dual-Network IP restart network card found a network card does not flow, but the outside can ping the network card, and then a variety of Google, Baidu found that the original is eth2 in the local no default

File permissions:First step: Create a user at the terminalAdd User Useradd User nameSet Password passwd user nameCreate a A1,A2 of two users with the two commands above.Step Two: Create a file using the administrator account in the root

The following is a list of common parameters(Options)righteousness: --help , -h                                Display Help information --version , -v                         display version information -v                           

A judgment on the properties of a file-A If the file exists-B If the file exists and the file is a zone device file-C Returns True when file exists and is a character device-D returns True when pathname exists and is a directory-E Returns True when

Jdk-8u111-linux-x64.tar.gz This is a compressed package of JDK in Linux system.Delete command:RM-FR Directory Name "This command is mandatory to delete the meaning of"To modify a character encoding set:Export LANG=ZH_CN. UTF-8To view the character

The SSH service consists of the server-side software OpenSSH and the client (common Ssh,securecrt,putty,xshell), the SSH service is provided by default with Port 22, and it has two incompatible versions of the SSH protocol, 1.x and 2.x

Environment: CENTOS7Download Navicat:navicat112_mariadb_cs_x64.tar.gzClick on the " ./start_navicat" Installation interface will appear garbledWorkaround: Open a Start_navicat file, export lang= "en_US. UTF-8 "changed to export lang=" ZH_CN. UTF-8 ".

Query a few lines in the file: | Tail-n +"One" starts at line No. 3000 and displays 1000 rows. The 3000~3999 line is displayedCat FileName | Tail-n +3000 | Head-n 1000"Two" displays 1000 rows to 3000 rowsCat filename| Head-n 3000 | Tail-n +1000*

Reference Source: http://www.tennfy.com/3088.htmlProblem:I added a timed task to the crontab.0 8 * * * SH test.shUnexpectedly, the timed task was not executed. But it's no problem for me to do it manually in the shell.Reason:A lack of environment

On and off switches, the system is only valid for run-level 3,4,5 by default, but reset can be valid for all run levels.Level 0 means: shutdownLevel 1 means: Single user modeLevel 2: Multi-user command line mode with no network connectionLevel 3

Pwd:printing working DirectoryCD changing DirectoryCD ~: Return to home directoryCD ~username:return to user ' s homeCD-: Current directory and previous directory switchCd..LS lists the contents of the specified directoryLs-a: Show all files

First, the official website downloads the required version of Python3.wget https://www.python.org/downloads/release/python-360/Python-3.6.0.tgzTo download to that folder, go to the folder--cd/home/downloadSecond, unzip the file "TAR-XVF python-3.6.0.

"Linux multithreading" three classic sync issues-the game's column-blog channel-Csdn.net http://blog.csdn.net/lisonglisonglisong/article/details/45390227Linux Multi-process multithreading mutual exclusion synchronization example _linux programming

Share files with linux in virtualbox, virtualboxlinux First, you must install the enhanced version of VirtualBox (VBoxGuestAdditions) Go to device ---> install enhanced edition function -----> Run and restart your computer. 1. Create a local

Linux top and free commands (to) and top commands Link:   Top: The command monitors the status of the system processor in real time. It displays the list of the most "sensitive" CPU tasks in the system. This command sorts tasks by CPU usage, memory

VM ~ VM Linux does not connect to the Internet. Using the Bridge Connection method, centos6.4 is configured with a static IP address, which can ping the gateway, but appears when you ping the Internet "Network is unreachable" For example, ping

Linux Virtual Machine installation (using Centos6.3), linuxcentos6.3 1. What is a virtual machine? A virtual machine is a complete computer system that is simulated by software and runs in a fully isolated environment. 2. Preparations before

To configure the Nginx web server in Linux, use linuxnginx System Environment: centos7 Required Software: nginx-1.3.16.tar.gz libevent-2.0.21-stable.tar.gz Pcre and pcre-devel Nginx: http://nginx.org/download/nginx-1.3.16.tar.gz Libevent:

Linux LVM logical volume configuration process details, linuxlvm Many Linux users encounter the following dilemma when installing the operating system: How to accurately evaluate and allocate the capacity of each hard disk partition? If the original