infrastructure master roles to 08DC respectively (how to see Active Directory Management and maintenance ---------- Operations host 1 ) 11 Run Dcpromo on 03DC to demote it to a normal member server 650) this.width=650; "title=" qeb$p8e7s8diyy7g ' 5ov5pq.jpg "alt=" wkiom1oth86gmqmoaadujf7cjwm028.jpg "src=" http:/ S3.51cto.com/wyfs02/m02/37/bd/wkiom1oth86gmqmoaadujf7cjwm028.jpg "/> 12 Raising the domain func
infrastructure master roles to 08DC respectively (how to see Active Directory Management and maintenance ---------- Operations host 1 ) 11 Run Dcpromo on 03DC to demote it to a normal member server 650) this.width=650; "title=" qeb$p8e7s8diyy7g ' 5ov5pq.jpg "alt=" wkiom1oth86gmqmoaadujf7cjwm028.jpg "src=" http:/ S3.51cto.com/wyfs02/m02/37/bd/wkiom1oth86gmqmoaadujf7cjwm028.jpg "/> 12 Raising the domain func
Before introducing enterprise servers, let's take a look at the Integrated Network Cabling Technology of enterprises. Then we fully introduced the production of Network cables and integrated enterprise network cabling. For servers, more reasonable Optimization of enterprise integrated network cabling can play a very good role in server maintenance.
Server
How much do you know about server maintenance? Here, I will show you some things I know. First, I hope to give you a basic reference, and second, I hope it will arouse your awareness of server maintenance.
1. Power Control
Although a server is not as fierce as an Induction C
that a root DDR is added because there is no dedicated ECC memory at hand. As a result, the system cannot be restarted due to an error!
2. it is not a big problem to remove servers. The key is to pay attention to the fact that many server chassis are hidden in xuanjicang, so you must read the instructions carefully before starting; needless to say, there is a dust-proof problem. Many inexplicable faults ar
-specification batteries can basically ensure that after the mains supply is stopped, the machine runs normally for about 8 hours, and the actual application is about 6.5 hours ).
Server maintenance skills 2. Temperature Control
When most brands of servers on the market run, if there is no other control equipment, the average CPU temperature is above 60o C, and t
infected attachments. When it finds a virus, it automatically isolates the infected email before it reaches the user.
Another good way to protect the network is to set the time for users to access the network based on their stay in the company. A temporary employee who usually works during the day should not be allowed to access the network at, unless the employee's supervisor tells you that it is necessary for a special project.
Finally, remember that you need a password when accessing anythin
correct configuration file, so as to prevent the server from restarting after the reboot. Determine if the Nginx configuration is the correct command as follows:/usr/nginx/conf/nginx.conf /usr/nginx/sbin/nginx -tVirtual Host Configuration # domain-based virtual host server {listen 80; #监听端口 server_name a.com; #监听域名, multiple domain names separated by a space; location/{root/var/www/a.com; #站点根目录, where
MySQL service maintenance notes
MySQL service maintenance notes
Content Abstract: some experience in using MySQL services, mainly from the following aspects of MySQL service planning and design. For high-load sites, PHP and MySQL running together (or any application and database running together planning) is the biggest performance bottleneck. Such a design is like making people draw a picture in one hand,
This article sorts out the top ten mistakes that are easy to make in server management to remind the network administrator to take proper measures at work.
Server Maintenance Error 1: UPS (uninterruptible power supply) usage Problems
A store is squeezing the final life of its network system. Although the very old server
different environment and cannot generalize).This rebulid\reorg index will be quite expensive for resources and time-consuming, and in some cases will not give you the opportunity to do so.For example, the following rebuild a composite index time-consuming situation, just one index on a table, it took 5 minutesIt's normal for a business to have such 35 indexes on a complex table.According to this, if the whole library or the entire instance under the more than 10 library, each library hundreds
Hardware maintenance
Hardware maintenance is equally important to software. Readers must have a clear understanding of the hardware system of the server and the entire network environment. However, it is simple and easy to say. hardware maintenance is nothing more than adding and detaching equipment, replacing equipmen
MySQL service maintenance and application design Note (2) 3. MYSQLD stop script: stop_mysql.sh
#! /Bin/sh
Rundir = 'dirname "{GetProperty (Content )}"'
Echo "$ rundir"
/Home/mysql/bin/mysqladmin-u mysql-S "$ rundir"/mysql. sock shutdown
The advantages of using this script are:
1. start multiple services: you only need to modify the -- port = parameter in the script. Data and service scripts in a single d
Server maintenance knowledge 1. boot sequence
Generally, the system should strictly follow the steps below:
Turn on the total power supply.
Power on the computer Cabinet
Power on external devices (such as disk arrays and tape libraries)
After the external device self-check is complete, the host is powered on.
Server maintenan
In response to the phrase "it is more difficult to win the world to keep the world", server maintenance is like "keep the world "! The network is paralyzed by a slight random gain. Maintaining servers requires a thorough understanding of the hardware, operating systems, and application software systems of the servers. It is also a system engineering, hardware System mai
, the basic logic as shown in the following figure:
(Figure: Database backup file generation logic)
Tips:
1. If your database is large, and the flow of data (that is, some of the recorded water data) More, our approach is to separate these large tables a new database (vertical cutting database), so the next question, this article can be resolved;
2. If the streaming data cannot be separated from the database, you can consider table par
This article belongs to the managing SQL Server AlwaysOn series articleObjective:The previous series has covered SQL Server AlwaysOn knowledge points, installation demos, and considerations. But this is not the end, but more is the starting point. It's like you can't give birth to a child, you have to keep it (management). As a DBA, much of the work is about managing AlwaysOn. So here's a separate series th
First, backgroundPreviously wrote an article about backup: SQL Server maintenance plan to implement database backup, the above article using full backup and differential backup basically can solve the problem of database backup, but in order to protect the data more secure, we need to perfect our backup plan again;The following article mainly joins the log backup, and the design of the frequency of backup a
: first think of what common properties, private properties, common skills, first stop instance of the angle to think
#Step Two: write when you start writing class, and then in the build instance
classChinese:dang='Gongchandang' #Common Properties
def __init__(Self,name,age,gender):#Private PropertiesSelf.name =name Self.age=Age Self.gender=GenderdefTalk (self):Print('chifan Shuijiao Dadoudou ...')#Common Skills
D=chinese ('Lijun', 18,'F') the idea of writi
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