chmod

The permissions meaning of the file R: Indicates that the contents of the file can be read W: Indicates that you can edit, add, or modify the contents of the file, but do not have permission to delete the file X: Indicates that the file can be

Why is PHP so red? Recently, PHP (Personal hypertext preprocessor) seems to have become the most widely used web-processing language in the last two years, and its convenience, powerful features and opensource characteristics make it gradually erode

Linux operating system: centOS6.3 64bit nginx:nginx-1.4.0 mysql:mysql-5.6.10 php:php-5.4.13 I. Installing the development pack (using the default CentOS update source): # yum-y Install wget gcc-c++ ncurses ncurses-devel cmake make Perl bison

Environment: VirtualBox4.1 + RedHat Linux 6 Question: When using the sudo command prompt "xxx is isn't in" Sudoers file. This incident'll bereported. where xxx is your username, which means your username does not have permission to use sudo command.

FTP commands are one of the most frequently used commands for Internet users, and a large number of FTP internal commands are encountered, whether using FTP under a DOS or UNIX operating system. Familiar with and flexible application of FTP internal

#用户设置 GROUPADD-G 1000 Oinstall GROUPADD-G 1100 dba Useradd-u 1001-g oinstall-g dba Oracle Mkdir-p/oracle Chown-r oracle:oinstall/oracle Chmod-r 755/oracle Mkdir-p/kk #修改环境变量配置 Export Oracle_base=/oracle Export Oracle_home= $ORACLE

Classic PHP Implementation of large file upload source code: A more classic php large file upload source code, can be successfully run. function Function_upload ($name, $newname = "", $dir = "Upload"){Global $_files, $ext; $return = "";

(i) Basic user knowledge 1. File information Ls-l drwxrwxrwx filename (1) Access rights mode:rwx rwx rwx r:read w:write x:execute User group Other Abbreviation: (u) (g) (O) (2) file type : Normal file B: Block special files, such as hard

1. sh File contents The file name in this article is example.sh, which reads as follows: #!/bin/bash function Init () { If [-F "Example.sql"] Then echo "Example.sql is exits and is deleting it,then recreate it" Rm-fexample.sql Else echo

Oracle 1, uncompress and unpack downloaded files One step procedure (uses less disk spaces and is faster): Zcat lnx_920_disk1.cpio.gz | Cpio-idmv Zcat lnx_920_disk2.cpio.gz | Cpio-idmv Zcat lnx_920_disk3.cpio.gz | Cpio-idmv Two Step procedure:

As PHP becomes more popular, Linux vps/servers are used more and more, and Linux security issues need to be enhanced, if you install denyhosts and set up email reminders, you may be subject to several letters each day denyhosts The reporting will

1. Shutdown (System shutdown, reboot and log out) command Shutdown-h now Shutdown system (1) Init 0 Shutdown System (2) Telinit 0 Shutdown System (3) Shutdown-h hours:minutes & Shut down system at scheduled time Shutdown-c Cancel system

? /***********************************************************************************/ /*/                                                                               /*/ /*/program:file System Class (FSC)/*/ /*/PHP programer: Wu Di (James Wu)/*/

1. Establish a virtual user database [Root@mail ~] #service mysqld Restart//restart MySQL database [Root@mail ~] #tar zxf extman-0.2.5.tar.gz [Root@mail ~] #cd Extman-0.2.5/docs [Root@mail docs] #mysql-u root-p123456 [Root@mail docs] #mysql-u

First of all, your cell phone must have root privileges, the risk of misoperation should be cautious Please open the mobile phone USB debugging, to prevent the phone can not be modified after the boot caused by the inability to repair 1, if you

　　First install the vsftpd-2.0.1-5.i386.rpm on the first CD in the Linux Enterprise Edition #rpm –ivh/media/cdrom/redhat/rpms/vsftpd-3.0.1-5.i386.rpm 　　Start the VSFTPD service #service vsftpd Start 　　Refreshing the firewall #iptables-F Such a

mysql| Script | Automatic installation After a few days of testing, finally can be released! 1. Under the MySQL source code directory to create a new script install.sh, add the following code to this script: #!/bin/bash#############################

Referring to the 51cto blog of the Great God of the article, combined with their own practice process, although experienced some difficulties in the middle, and finally successfully completed the configuration, the implementation of the automated

If you can be familiar with and flexible application of FTP internal commands, it is really more than half the effort. The command line format for FTP is: Ftp-v-d-i-n-g [host name], where -V Displays all response information for the remote

In addition to Perl, the other uses are the source pack installation The environment is under the freebsd6.0 After loading the FreeBSD, I probably did not compile Perl, so I used Ports's own perl. Perl is under/usr/ports/lang. I packed 5.8.