Analysis on the advantages and disadvantages of Microsoft System and Linux system, many people can not say why, because the market is still the use of the Microsoft System is a little higher, especially private computers and home notebooks, most of
Domainkey Introduction:
Yahoo's technology is known as the "DNS-side electronic signature (DomainKeys)", designed to deal with a variety of spam messages that have been transformed.
Spam often cheats the user by altering the e-mail message, and
Apache|web|web Service |web Server
1. Introduction
Internet/intranet based on web technology has been widely used in recent years, Intranet is based on TCP/IP protocol, the web as the core intranet, the user through Low-cost, An Easy-to-use client
This script is found on the internet, a little bit of modification, can be implemented under Linux all users, whether remote or local landing, all operations on this machine will be recorded, and generate a "user/ip/time" files stored in the
The requirements for this script instance are as follows:
1. The company has public share directory, all employees can read and write, but do not allow the deletion of other employee's files; cannot log on anonymously
2, each department has a
SSH service supports a security authentication mechanism, that is, key authentication. The so-called key authentication, in fact, is to use a pair of encrypted strings, one called the public key, which anyone can see its contents, used for
Oracle
Oracle 8i Installation manual under Redhat 7.1~7.3
The following take linux7.3 as an example
1. Preparatory work:
1). List of software:
compat-egcs-6.2-1.1.2.16.i386.rpm
compat-egcs-c++-6.2-1.1.2.16.i386.rpm
compat-egcs-objc-6.2-1.1.2.16.i3
A problem that may come across
Use the tar command (TAR-CVFZ src.tar.gz src) to compress a directory,
Encountered error "error exit delayed from previous errors"
The reason option "F" means the archive file name is given on the command
Line
Oracle
First, the preparation before installation
1, the task performed by root (log in with root user)
1.1 Setting System Variables
1 using a text editor to open the "/etc/system" file
# Vi/etc/system
2 Insert the following lines at the end of
Experimental purposes: Understanding the Linux file format with permissions settings Experiment steps: 1. Log in as root into Linux 2. Create a new account with the following command Anyuser/usr/sbin/useradd anyuser 3. Set for Anyuser
Iftop script installation, download script to the/usr/local/sbin/directory:
Iftop script reference adsorption pieces! Rename to: iftop.sh
Note: Permissions must be granted to run:
#chmod 755 iftop.sh or #chmod u+x,g+x,o+x iftop.sh
#./iftop.sh or
cgi| Security | Security Vulnerabilities 26
Type: Attack type
Name: webwho.pl
Risk Rating: Medium
Description: If you have webwho.pl this CGI script in your Web executable directory, the intruder will be able to use it to read and write any files
The chmod command is used to change access rights for Linux system files or directories. Use it to control the access rights of files or directories. There are two ways to use this command. One is the text-setting method that contains the letters
Two solutions to MySQL's inability to modify passwords
Method One:
#/etc/init.d/mysql Stop
# Mysqld_safe--user=mysql--skip-grant-tables--skip-networking &
# mysql-u Root MySQL
mysql> UPDATE user SET Password=password (' NewPassword ') where
Under Linux, kernel may also be installed without changing the same procedure as SolarisBut the kernel parameters must be changed under Solaris, and my next lesson is for Solaris Sparc/intel 'In/etc/system finally joined these:Set
This article mainly introduces some Linux shell in the relevant knowledge summary, so that the basics of Linux introductory learning, need friends can refer to the
Once a file is created, it has three ways to access it:
1) Read, you can display
Environmental Os:centos 5.8 x86_64
This script is slightly modified than the previous one, as follows
#mkdir/etc/yum.repos.d/backup #mv/etc/yum.repos.d/*.repo/etc/yum.repos.d/backup/#mv/tmp/lamp/ftp.repo/etc /yum.repos.d/#yum Clean all #yum
In many network applications, FTP (File Transfer Protocol) has a very important position. A very important resource in the Internet is software resources, and most of the various software resources are placed in the FTP server. Like most Internet
First, install the Java development environment
1,jdk-6u33-linux-i586.bin, after downloading the original directory is:/home/downloads/
2, will download the file to place you need, here I put in
CP JDK-6U33-LINUX-I586.BIN/USR/SHARE/JAVAJDK
Note:
1. Export the entire database
Mysqldump-u user name-p database name > exported file name
Mysqldump-u wcnc-p SMGP_APPS_WCNC > Wcnc.sql
2. Export a table
Mysqldump-u user name-P database name Table name > exported file name
Mysqldump-u wcnc-p
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