After running for a period of time, the LAN Based on Windows NT4.0 finds that the whole network runs slowly: running the office automation system and the WWW homepage in the Access Board is obviously slower than before, especially accessing the
This software is primarily used as a security setting for the server, as well as for personal machines to increase security settings and prevent script viruses from being used. The server's settings are mainly used to prevent the current popular
When the flattery arrived, found that the system disk C is really not enough space. Look at the C disk. Found that the friend did not install too much software to C disk also did not store too many files, the use of Disk Cleanup tools to clean up,
1. "Start" menu organization function
Why this is a hobby: in the Windows 8.1 operating system, Microsoft provides users with the ability to transfer the entire group of tiles to the existing group of people who are new or people, and
For network management, LAN speed is one of the most troublesome things. If the network is not pass, but can quickly find the reason, but if the network is a pass, but the speed of slow, this is the most headache. When faced with this kind of "soft"
Description
Galen Marek, codenamed Starkiller, was a male Human The apprentice of the "Lord Sith Darth." A powerful Force-user who lived during the era of the Galactic Empire, Marek originated from the Wookiee home planet of Ka Shyyyk as the sole
hdoj
on the topic:
Problem Description since the first Sudoku World championships from March 10, 2006 to 11th, Sudoku has become more and more popular with people.
It is said that in the 2008 Beijing Olympic Games, the Sudoku will be listed as a
We all know that the website revision, with the IP site problems, or their own site is attacked and so will let their site down the right, but there is also a factor will affect the weight of the site, that is the site's duplicate content, the site
Servers | scaling | Performance Now, server performance issues are a problem for many people who write desktop applications. The success of the Component Object Model (Component object model,com) and Component Ware produces an unexpected result,
I recently to a friend installed, the new computer home after I helped him install the system, now of course, the preferred Win XP. When you want to partition the system disk, the original thought of an XP system installation is to occupy less than 2
calls or receive emails, and many people ask me how the LUT should be used. I think the question is more complicated to explain.What is a lut?A lut is just a table, a mapping table. In theory, it's just a text file or a spreadsheet full of numbers.Here is an example:4095 0 40954095 0 40950 1535 00 1535 2550 1535 5110 1535
Detailed configuration of Server Load balancer in lvs dr mode in CentOS
1. Prepare for LVS installation:
1. Prepare four Centos 6.2 x86_64
Note: SELinux and IPtables firewalls are disabled in this experiment.
Management IP address role remarks 192.168.1.101LVS Master scheduler (Master ctor) provides external services with VIP 192.168.1.180192.168.1.114LVS slave scheduler (Backup Director) which can be used as RS (Real Server) 192.168.1.20.rs1 (Real Server) 192.168.1.103RS2 (Real Server)
2. Conf
1. Prepare for LVS installation:
1. Prepare four Centos 6.2 x86_64
Note: SELinux and IPtables firewalls are disabled in this experiment.
Manage IP addresses
Role
Remarks
192.168.1.101
LVS Master scheduler Master ctor)
The VIP address for external services is 192.168.1.180.
192.168.1.114
LVS slave scheduler Backup ctor)
Can be used as a real RS server)
192.168.1.104
RS1 Real Server)
192.168.1.103
RS2
Oracle Database Table fragmentation required
Recently, a mysql user asked me if the table in the Oracle database needs to be split regularly because of the storage of the Oracle data table. Unlike the clustering organization table (IOT) used in mysql (innodb) to store data, it uses a method called HEAP to store data. Data rows are stored in random blocks. the data rows read during full table scan are not sorted in a certain way. therefore, Oracle can insert any data block with free space.
Suppos
Document directory
Most network applications are trying to match the information where it is needed.
Fragment network example
Case Analysis
Search in a single space
Looking forward to a more interactive world
How does it know?
Interconnected Power
A tool used to collect interconnection Information
Establish feedback channels
Case Analysis Review
How do you establish contact with people
You can not only establish contact with people
The intensity of contact is different.
Some cont
[Dllhost.exe]
Process file: DLLHOST or dllhost.exe
Process name: dcom dll host process
Description: The dcom dll host process supports DLL running Windows programs based on COM objects.
Introduction: COM proxy. The more DLL components attached to the system, the more CPU resources and memory resources the DLLHOST occupies, in August, the "Shock Wave killer" probably made everyone familiar with it.
Resolving the dllhost.exe error of the webserver
An e
just has nginx, so on the use of Nginx, to provide PHP support, but also must install PHP5-FPM, installation completed, landing on the cacti, after a moment of refresh, hung off, just at the beginning thought it was nginx hung off, Don't care, after a while, monitoring the alarm said Nginx hung up, saw the next Nginx log, did not find abnormal, today again found MySQL hang, this lay pain, how the program is not just hanging! Careful analysis of the log, found that the kernel reported the above
Recently, a VPS customer complained that MySQL had crashed for no reason, and another customer complained that VPS often crashed. It was a common Outofmemory problem to log on to the terminal. This is usually because the system memory is insufficient due to a large number of requests from the application at a certain time, which usually triggers the OutofMemory (OOM) killer in the Linux kernel.
Recently, a VPS customer complained that MySQL had been s
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