Linux under nice/renice command summary2010-03-30 12:58
1.1.1 Nice Command
The kernel determines how much processor time the process requires, depending on the nice value of the process.The value range for the nice value is:-20 to 20.A process with a nice value of 20 has a high priority. A process with a nice value of 20 has a low priority.
1 to display the nice value of all running processes with PS Axl
# PS Axl
F UID PID PPID PRI NI VSZ RSS wchan STAT TTY time COMMAND
4 0 1 0 0 2172
Command not implemented
503 Command Order Error
504 The command feature under this parameter is not implemented
530 Account or password error
532 storage files require account information
550 the requested operation was not performed
551 Request Action aborted: page type unknown
552 requested file operation aborted, storage allocation overflow
553 The requested operation was not performed: file name is not valid
400-bad Request failed requests er
details of these commands can refer to the Protocol.txt documentation in the Memcached software package.
$ telnet localhost 11211Trying:: 1 ...Connected to localhost.Escape character is ' ^] '.StatsSTAT PID 481STAT Uptime 16574STAT Time 1213687612STAT version 1.2.5STAT Pointer_size 32STAT Rusage_user 0.102297STAT Rusage_system 0.214317STAT Curr_items 0STAT Total_items 0STAT bytes 0STAT Curr_connections 6STAT Total_connections 8STAT Connection_structures 7STAT Cmd_get 0STAT Cmd_set 0STAT Get_hit
Create | Chinese I am using fpdf (www.fpdf.org), download the Fpdf class library, and use the following Chinese class library to support Chinese, but only one Chinese font (Chinese imitation) can be used. I've been bothering for a long time, and now I'm done. Convert TrueType fonts to pt1 font usage:
The following is a library of Chinese classes found on the fpdf:
Require (' fpdf.php ');
$Big 5_widths=array (' =>250 ', '! ') =>250, ' ' =>408 ', ' ' # ' =>668, ' $ ' =>490, '% ' =>875, ' ', ' =
Installation manual for Windows edition: http://bbs.mysql.cn/thread-261-1-1.html
Linux version (source code package) installation manual: Http://bbs.mysql.cn/thread-493-1-2.html
MySQL has installed version and installation-free version, free installation version of the folder after decompression does not install the program, you can use directly.
Windows installation free version manual: http://bbs.mysql.cn/thread-552-1-1.html
IV: Backup and Recovery
information)
354 Start sending data, end with. (The data instruction succeeds returns this information, the client should send the information)
500 syntax error, command not recognized
550 command cannot be executed, invalid mailbox
552 Interrupt Processing: User exceeds file space
The following is a simple command header (which is done after opening the socket) and is the test result of my email to stmp.263.net:
HELO Limodou
Smtp.263.net
MAIL from:
.551 The requested command terminated, the type is unknown.552 the requested file terminated and the storage bit overflowed.
553 The requested command was not executed with the correct name. proftpd configuration
Identlookups off #连接快些还有后面的 Usereversedns
Requirevalidshell off #匿名的一般需要加上这个
Maxloginattempts 1 #匿名的话1就可以了, Maximum password authentication times
Wtmplog NONE #不记log到wtmp
Denyfilter *.*/|. Ftpaccess #DenyFilter做一些过滤, Regular expression
#D
partition called Swap space. According to the rule of thumb, the size of the swap partition should be twice times that of RAM. In this case, the swap space is located in the/dev/hda6 partition, which is 1 552 384 KB in size.
Next, Init starts running the script in the/etc/rc.d/rcx.d/directory, where x is the run level defined in Inittab. RunLevel is the execution state that is entered according to the expected working mode. For example, the multi-use
continued ...
Vi. optimization of/proc/sys/net/ipv4/
1)/proc/sys/net/ipv4/ip_forward
This file indicates whether IP forwarding is turned on.
0, prohibit
1, forwarding
Default setting: 0
2)/proc/sys/net/ipv4/ip_default_ttl
This file represents the life cycle of a datagram (time to Live), that is, the maximum number of routers.
Default setting: 64
Increasing this value can degrade system performance.
3)/proc/sys/net/ipv4/ip_no_pmtu_disc
This file indicates that the path MTU detection function i
Efficient Database design by LeviDownload Address: http://www.codestudy.net/book/download.asp?id=1163sort=551.C++BUILDER4 Technical Insider (this book I don't know good:-))Download Address: http://www.codestudy.net/book/download.asp?id=1254sort=552. The following two books in general everyone has a hard drive, and very old, but in order to comprehensive, bring up the(1) Windows 95 Programming Guide-Hou JieDownload Address: Http://jjhou.csdn.net/win95
, the command succeeds, the 5 table fails, and the 3 table is not completed. Some of the more complex mail programs use this feature, first check the answer code first number, and based on its value to determine the next move. The following list of SMTP answer codes is as follows:
Answer Code Description
501 Parameter Format error
502 Command not implemented
503 Wrong sequence of commands
504 Command parameter not implemented
211 System State or system help response
214 Help information
specific meaning, such as the first digit of 2, the command succeeds, the 5 table fails, and the 3 table is not completed. Some of the more complex mail programs use this feature, first check the answer code first number, and based on its value to determine the next move. The following list of SMTP answer codes is as follows:
Answer Code Description
501 Parameter Format error
502 Command not implemented
503 Wrong sequence of commands
504 Command parameter not implemented
211 System State or sys
);
}
Code generated #region the Windows forms Designer
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
private void InitializeComponent ()
{
This. Visitors = new System.Windows.Forms.DataGrid ();
This. GetXML = new System.Windows.Forms.Button ();
((System.ComponentModel.ISupportInitialize) (this. Visitors)). BeginInit ();
This. SuspendLayout ();
//
Visitors
//
This. Visitors.captiontext = "visitors";
This. Visitors.datamember = "";
This. Visi
installation
Installation manual for Windows edition: http://bbs.mysql.cn/thread-261-1-1.html
Linux version (source code package) installation manual: Http://bbs.mysql.cn/thread-493-1-2.html
MySQL has installed version and installation-free version, free installation version of the folder after decompression does not install the program, you can use directly.
Windows installation free version manual: http://bbs.mysql.cn/thread-552-1-1.html
IV: B
I am using Fpdf (www.fpdf.org), after downloading the Fpdf class library, but also use the following Chinese class library to support Chinese, but only one Chinese font (Chinese imitation). I've been bothering for a long time, and now I'm done. Convert TrueType fonts to pt1 font usage:
The following is a library of Chinese classes found on the fpdf:
Require (' fpdf.php ');$Big 5_widths=array (' =>250, '! ') =>250, ' =>408 ', ' # ' =>668, ' $ ' =>490, '% ' =>875, ' ' =>698, ' =>250,' (' =>240,
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