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Clean Metadata#yum Makecache6. Yum then works, then updates it at once, OK.#yum-y UpgradeExcerpt from: http://blog.smdcn.net/article/1012.html Description: The above article from the others blog, fixed a little, Redhat 5.4 is not installed Yum, in fact already installed Yum, but by default, yum source is the use of Redhat official website Resources, If you do not purchase the service, installing the software using Yum will fail, prompting you to regi

No need to crack: Windows Server R2 at least 900 days free October 30, 2009 Friday 02:10 1. After first installation, there is a 180-day trial period. 2. At the end of the 180-day trial period, activate SVR R2 with the following evaluation serial number to restore the 180-day trial period to Windows Server R2 web:kbv3q-dj8w7-vpb64-v88kg-82c49windows Server R2 standard:4ggc4-9947f-fwfp3-78p6f-j9hdrwindows server R2 Enterprise: 7pjbc-63k

How to Use n2n to configure a practical and free VPN solution on Linux A Traditional VPN, such as OpenVPN or PPTP, is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to relay the VPN data traffic between them. The problem with such a central radiation VPN topology is that when the number of connected clien

The Fastbin under Linux is the key point of the PWN problem in CTF. Last year (2015), XCTF two stations are using Fastbin as the pwn400 of the use of the axis of the problem to appear, which is also my first contact with the use of Fastbin, referring to the K0sh1 master wrote on the freebuf of an article. I wrote a few demos to illustrate the problem.Directory1. About Fastbin2. Overlay FD Pointer Implementa

posted here is part of my project. You do not need to understand the meaning of some of these variables, but you only need to pay attention to the Cookie section.Process Click logon on the page to link to logon action. Select the "two-week login free" option during logon, enter the user name and password, and click log on. Store Cookie No Logon required next time Logon page form Note that the action is User_login.Action Code/*** User login

Use the SSH Public Key for password-free Login SSH password-less logon requires the public key and private key. In Linux, ssh-keygen can be used to generate public/private key pairs. The following uses centos as an example.There are machines A (10.207.160.34) and B (10.221.32.234 ). Now I want a to log on to B via SSH without a password.First, use the root accou

is more and more, big to Sina blog, Sohu Blog. Small to the words is some Small forum portal blog, so here our selectivity is also more, but some included is not very ideal, so the author today and you recommend their collection of some free blog, I hope to help you webmaster. 1, Sina Blog. 2, Sohu Blog. 3, Baidu space. 4, NetEase blog. 5, News and news blog. 6, Blog bus. 7, Tianya Blog. 8, Watercress Blog. 9, Alibaba Blog. The above nine i

data in the buffer is written to disk (flush). Since the disk is usually written at least 1 seconds, there is no need to set it too large, even for a long transaction. innodb_buffer_pool_size=105m # InnoDB uses a buffer pool to cache index and row data. The larger the value is set, the less disk IO. This value is typically set to 80% of physical memory. innodb_log_file_size=53m # The size of each INNODB transaction log. Generally set to Innodb_buffer_pool_size of 25% to 100% Innodb_thread_con

I. PrefaceIi. Basic Knowledge1. What is an IP address?2. What is a fixed IP address?3. What is a dynamic IP address?4. What is a domain name? What makes a domain name?5. What are subdomain names and second-level domain names?6. What is DNS?7. What is a record?8. What is an alias record (cname )?9. What is an MX record?10. What is a dynamic domain name?3. Dynamic Domain Name application and settings1. Dynamic domain name resolution process2. Dynamic Domain Name application and settingsIv. Domain

Install-free mysql with the command bitsCN.com Install-free mysql command How to use mysql without installation: 1. execute mysqld-nt.exe to start the mysql service. 2. for the initial database, the default username is root and the password is blank. The statement to change the password is MysqlAdmin-uroot password newPassword(New password

[OneAPM] Geek programming challenge #023: Use the HTML5 canvas to generate a gradient free drop ball effect,Current challenges Given the following HTML: Read the following HTML5 canvas Tutorials: Particle Motion effects implemented by HTML5 canvas HTML5 Canvas Basics Use the HTML5 canvas to generate a gradient ball with the

server.Registering vultr is very simple. Click to register vultr VPs for free, as long as you have a mailbox and password. Log on to the backend and click deploy to select the location of the VPs data center. The memory, system, and performance requirements are billed Based on the Usage duration. After registering a new user, you can also perform background tasks to earn USD. For example, vultr will give you $1 for forwarding to your Twitter account.

I have a free space with PHP and MYSQL, but I don't know how to use it. I registered www.58.cm and found FPT and MYSQL and phpMyAdmin, but I do not know how to install PHP. This Space introduction supports PHP and MYSQL. Reply to discussion (solution) I don't know how to use MySQL when I buy a space. Khan what about PHP? Do you know the database username

Now students in China are free to use Microsoft's development software: Http://www.msuniversity.edu.cn/m_directdownload/introduction.aspx 1. What is dreamspark Microsoft Student software resources.Microsoft Student Software resources are designed to provide free software resources for college students to use in non-co

If the tomato garden is gone, use the free linux-general Linux technology-Linux technology and application information. For more information, see the following. The tomato garden is gone. Windows pirated banners have fallen. It's a bit sad. In fact, the tomato garden is not good either. The "theme resource package" on their net has viruses and is also a rogue. In fact, xp is not good either. Check vis

QR codes are increasingly appearing in people's daily lives, such as movie tickets, electronic coupons, and even electronic air tickets. Can you imagine how much information such an image contains? Today, smartphones are widely used, and most mobile phones can also read QR code information. Today, I am bored and write a smallProgramTo generate a QR code. The program is very simple. It does not use any QR technology and does not contain anyAlg

So how much is the secret of Baidu? Is it free to use in the degree of secrecy? If you want to know, then the next quickly and Pepsi net small make up to see how much about Baidu degree of the details of the secret! Small series can be clearly told that Baidu is the secret of the mobile phone Baidu added a function, do not need money, completely free to

= "Wkiol1zhtp2b08lyaabhdsvfhla307.png"/>This step means that the client will access the Http://www.example.com/.well-known/acme-challenge/xiDWA8FkdWeTua7MIXBpQ3PeLt8jVu5Eimi4-jPsTHs See if the output is XIDWA8FKDWETUA7MIXBPQ3PELT8JVU5EIMI4-JPSTHS.MOCYBE5RRQ_NSGGFYBRHKVCTSOHWN2Z0JDFTTQKHKQE.I installed the Nginx server in advance, then only need to create the directory and the corresponding content files in the root directory of my website, can be accessed on the public network.Cd/wwwroot/mkdir-p

1 We click on the phone to open Tencent mobile phone butler and then enter the "person Avatar logo" and then enter 2 after we find the "General settings" and then click Open to enter the "notice bar icon" details as shown. Tencent Mobile Butler a key to identify free WiFi how to use : 3 now set up our mobile desktop with a finger down the notice bar, and then click on the butler's "signa

First, introduce As we all know, skin used to be a difficult technique. But since the launch of Windows XP, skin or theme has become commonplace. While Windows XP can support theme, when we change the style of Windows XP, all Windows XP-enabled apps become the same style, how to make our software not only skin, but also more attractive and more personalized and more different. Here I recommend a skin-changing software uskin. Why do you use Uskin? 1