Linux

Why use Find?In the context of all Linux files, find can accurately match the files you need to find, in Linux, there are similar commands to find the location of files, such as: Locate, but locate has a lot of limitations, it only support Fuzzy

The previous look at the Linux drive related books, vaguely remember the physical address has dynamic mapping and static mapping, when the write driver is thinking of their own writing, so a hands-on look at the dynamic mapping good, on their own

Solve a small problem with compilation in Cocos2d-xfor Cocos2d-x 2.x in the compilation, if the header file introduced the # include "Cocos-ext.h", in the C + + compilation will encounter the following error: Undefined reference to symbol ' [email

Some common shutdown/Restart commands under Linux are shutdown, halt, reboot, and Init, all of which can be used to reboot the system, but each command has a different internal working process.Linux CentOS Restart command: 1, reboot2. shutdown-r now

V. Filter filtering and forwardingA, turn on the IP forwarding of the kernel# sysctl-w Net.ipv4.ip_forward=1or # echo 1 >/proc/sys/net/ipv4/ip_forwardb, basic matching conditions• Universal Matching→ Can be used directly, not dependent on other

1. View common commands for file contentsCat: The file content is displayed by the first line TAC: Starting from the last line, with cat opposite nl: File contents and Line numbers output more: One page one page shows less: Like more, you can page

In Brazil by the German abuse into the occasion, their own pain and determination: Cherish life, away from Microsoft.A few years ago in the university, has always wanted to go to the Linux platform, but there is no such determination, from time to

0. PrefaceIn more complex projects, a cross-compiled shared library (*.so file) is used.    In this case, the following question arises, such as whether the shared library at the "1" cross-compile time needs to be placed in the target board, if it

Use the skill to install the software: in Redhat, the installation program suffix is mostly *.rpm, in Ubuntu, the installation program suffix is mostly *.deb, in fact, in the general use of Ubuntu Software Center, or sudo apt-get install xxx The

Linux system startup process list Load the hardware information of the BIOS and perform self-test, then obtain the first bootable device according to the setup; Reads and executes the boot loader of the first MBR (Master boot record, master

This is the case with Red Hat Linux. Assume that the original system is configured with an IP address of: 192.168.20.140, configuration file path/etc/sysconfig/network-script/ifcfg-eth0. Now you need to configure an IP with a network segment of 192.1

Original link: Linux simple Beauty (iii)In Linux simple beauty (b) We try to use the C library function to complete the function, then can you use the syscall way to do it?1 Section . Data2FT DB"Now is X",Ten3 4 Section . Text5 Global _start6 7

The so-called cluster refers to a set of independent computer systems consisting of a loosely coupled multiprocessor system, between them through the network to achieve inter-process communication. Applications can deliver messages over network

Transferred from: http://blog.csdn.net/figo77ll/article/details/3156052If you want to read access to a file under Linux, you need to include at least the following two header files:#inlcude Where fcntl.h contains the Create and open commands, UNISTD

"Determining whether a user exists, or new if not present"user= ' grep ' ^admin: '/etc/passwd 'If [-Z ' $user '];thenGroupadd Adminuseradd-d/home/admin-s/bin/bash-g Admin Adminecho ' 123456 ' | passwd--stdin Adminecho ' 123456 ' | passwd--stdin

Today, I briefly studied the use of VI and gcc/g++.First is the first time with the root Super Admin user login to the Linux system, because the Ubuntu system first login can only be ordinary users, but a lot of things need to use root permissions,

Linux installs Tomcat and the local access is normal, but Tomcat cannot be accessed by the outside world need to open port 8080 on linux default fenceOpen/etc/sysconfig/iptables[Email protected] ~]# Vi/etc/sysconfig/iptablesIn-a

Mount Windows shared directory on Linux 1. Sharing Windows foldersBefore mounting, create a user with a password (which the current user can), share the folder you want to mount, and give read and write permissions，2. Mount the Windows shared

Linux ls sorting and linuxls sorting To view files in Linux, you sometimes need to sort the files. The weblogic and Oracle directories are used as examples. By default, they are not sorted by creation time or file size. [Web @ localhost Oracle] $ ls-

Windows and linux -- modify the default startup sequence Windows 7 and Ubantu are installed on the computer. Because Linux is rarely used and the default startup Item is intolerable, you have to change Windows to the default startup Item. Since