-SCSI is the most important means of communication between storage systems and servers. The SCSI extension has the copy command, a new ANSI T10 standard, and also supports the direct movement of data between SAN storage systems through data migration applications.
The advantages of FCP-SCSI and bus connections have been proven on storage LANs, FCP-SCSI provides higher performance (100M/SEC), farther connection distances (up to 10 km per connection),
1. First determine the drive letter, you can put your own USB stick, and then you can see the drive letter, this step is very important, if the letter is wrong, then let your computer to sleep it;
2. Create a file in the USB drive, the file name and extension are arbitrary input, such as the file created here is 123.LJ;
3. Create a batch file on your local disk (save As. bat with Notepad) with the following line of statements:
Ifnotexisti:123.ljshutdown-s-
HTTP pressure measurement tool included with Apache HTTPD(1) AB installationInstall Apache httpd (detailed installation tutorial refer to: Installing Apache httpd and httpd common usage in Linux(2) General usage of ABAB [options] url
Options indicates parameters
-N: Number of requests-C: Concurrency (number of requests)-S: Timeout period
URL indicates the address of the stress test
Such as:
1
ab-n2000-c10000http://localhost/hello.php
T
UNCOMMITTED
Time
Thread 1
Thread 2
Description
T1
Begin
T2
SELECT * from account where name= ' ZS ';Result block
T3
Begin
T4
Update account set money=money+100 where name= ' ZS ';
T5
SELECT * from account where name= ' ZS ';Result 1100 block
Read data from another thread that did not commit the transaction. The st
-by=strThis option specifies a delimited string of data between rows and rows in a text fileor character. By default, Mysqlimport with newline as the line delimiter.You can choose to replace a single character with a string:A new line or a carriage return.The Mysqlimport command frequently uses options that have a-V display version number,-P Prompt for password (password) and so on.There is a problem with this tool. Some columns cannot be ignored, which can be a big hassle for our data import. A
It's a new kind of knowledge, too. Today, there is a station, there is a real injection, but cannot get the field. Should be able to be injected cheaply. But I don't know why I can't get it out.If you can add Learning Exchange Group: 281245781 Exchange it.Payload:(SELECT Count (*) from msysaccessobjects as T1, msysaccessobjects as T2, msysaccessobjects as T3, msysaccessob Jects as t4,msysaccessobjects as T5, msysaccessobjects as T6, msysaccessobjects as t7,msysaccessobjects as T8,MSysAccessOb Je
1. Create the user to install the software (with the software name), set the directory does not allow the login system2. Create the installation package directory for the software to be installed (for download and storage of software source packages)3, CD to 2 steps created under the directory4, Wget-q download the source software package5, unzip the downloaded software source package (Tar zxvf command), and CD to the extracted directory6, compile start:./configure, make, make install7, do soft
Tag:cpunbspnginxdrop Update Understanding model between .gz 1. Firewall 1) After reboot effective Open: Chkconfig iptables on off: chkconfig iptables off2) immediate effect, restart after failure to open: Service iptables start shutdown: Service iptable s Stop View status service iptables status2. Shut down # shutdown-h now #立刻关机 # shutdown-h ' Halt ' #2点30分关机, note the local time is the # halt-p #立刻关机 # Init 0 #立即将系统运行级别切换为0, that is, shutdown # shutdown-r now #立刻重启3. Reboot # shutdown-k no
thread: dirty read
T6
Commit
T7
SELECT * from account where name= ' AAA ';There's 1100 bucks.
Read the update data submitted in another thread: non-repeatable READ
T8
Select COUNT (*) from account;There are 3 records
T9
Insert into account values (4, ' ddd ', 1000);
T10
Select COUNT (*) from account;There
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