Linux

Linux Program Write Oralce the database is displayed in Chinese as a question mark??? 1. Introduction of the problemThe root cause is the character set problem, which is the character set of the database and the writing program of the Linux system

Su Command and sudo serviceThe SU command is used to switch the user (switch the lander)Format:su [-] User name[-]: indicates an environment variable that uses a new userUse the [-] function:[Email protected] test1]# echo $PATH

We all know that all the devices under Linux are files, so when we need to use them, we need to open them first, and let's look at the file I/O operations in detail below.The file I/O used has the following actions: Opening a file, reading a file,

To create a cron service for the current user1. Type CRONTAB-E edit crontab service fileFor example, the contents of the file are:*/2 * * * */bin/sh/home/admin/jiaoben/buy/deletefile.shSave the file and exit*/2 * * *

OCP Learning Note 20161126--------Linux Note finishing one: Installing the Linux system Environment: 1:linux system installation package download path: Link: Http://pan.baidu.com/s/1o8sCsEQ Password: o3ib2: Virtual machine installation package

Linux Basics Help Document View-2014.2.11---common commandsFirst man: Related commands Whatis1, man manual find formatInput? Keys, looking forward, such as-H, will search for rows containing "-H"-Input/Key, backward lookup, such as/-k, will search

1. Direct implementation via C#include #include#include#include#include#includeintfilenum=0;Charfilenam[Ten];CharFileName () {filenam[Ten]=0; FileNum+=1; Charstr[4]; Chars1[]="./image/"; Chars2[]=". YUV"; sprintf (str,"%d", FileNum); sprintf

Reference textThere are two ways of doing this:1. Command &: Background run, you shut down the terminal will stop running2. Nohup Command &: Run in the background, you will continue to run the terminalFirst, IntroductionLinux/unix the biggest

1. Environment variable File/etc/profile2. Output environment variable valueEcho $PATH3,linux:-bash: * *: Command not found, solveTo prevent the above exception, initialize the environment variable first:1. Modify Profile: (All

Text Processing:Cut echo sort Uniq WC trText view:Cat tac more less tail headText Processing# cut   Text output [[Email protected] ~]# cut --help Usage: cut [option]... [file] ... print selected parts of lines from each file to standard  Output.

Get the various related methods of the path:Get file name:Basename/home/cuizhiliang344/note.txtNote.txtGet directory:Dirname/home/cuizhiliang344/note.txt/home/cuizhiliang344Get the full path from a fileMethod One:Readlink-f Note.txt/home/cuizhiliang3

Because all service times on Azure take UTC time. UTC time is 8 times later than Chinese time , how to make changes according to their own needs, the following 2 ways to provide a reference: 1. Modify the /etc/localtime fileThe file that

only the software and installation methods can be directly pulled down to "core content" at the end of the articleFirst, chatWe know that the popularity of Linux desktop is always subject to great constraints, one has to mention the reason is the

Set the global proxy as follows:Modify the/etc/profile file to add the following:Http_proxy=http://username:[email protected]:8080/Ftp_proxy=http://username:[email protected]:8080/Export Http_proxyExport Ftp_proxyIf there is no password limit, the

Linux system inode full fault handling As we all know, the Inode code in the file system is the unique number that points to the disk block, if the server is compromised or the log file runs out of the disk Inode resource number, the new data

One, ignoring a single directory1. Ignore foldersIf the directory oa.youxi.com is from SVN checkout, add material to the server's local directory, but do not want to add material to version control, so we need to ignore this directoryFirst use the

The zero-based Linux seventh chapterStudents early ~ ~ Small series and to update the blog ~650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M00/9F/60/wKioL1mb4zOBTQV0AAJYKJVQEpI963.png "title=" Qq20170720162736.png "width=" "height=" 212

1, please describe a complete HTTP request processing process;The HTTP communication mechanism is that during a complete HTTP communication, the following 7 steps will be completed between the Web browser and the Web server: Establish a TCP

Accounts and Groups1. Create Accounts and GroupsUseradd Create an account-C Set Account description information-D Set Account home directory-e Set Account expiration date-G Set the basic group of Accounts-G set up an additional group of accounts-M

Simple porting of Deepin's wine package to other Linux distributions: (without direct installation)Because it is a deepin package, there will inevitably be some dependency problems, we just need to remove these dependencies can be installed. So we