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Delete the full Python script for more than 1 years of data:VI aa.py#!/usr/bin/pythonImport OSImport datetimeImport ShutilDir= "/AA"now = Datetime.datetime.now ()Delta = Datetime.timedelta (days=365)Os.remove ("/log/110hudrm/gmss.txt")Os.mknod ("/log/110hudrm/gmss.txt")Os.chdir (dir)str1 = "_w"For Root,dirs,files in Os.walk (dir):For F in dirs:if f = = "Ima":Mtime = Datetime.datetime.fromtimestamp (Os.path.getmtime (Os.path.join (root,f)))If Mtime b =

Generally, it is the largest folder and contains all the programs and files that regular users use. /usr/bin Storage of installed Linux executable files /usr/lib Library files used by user installation files /usr/local User-installed programs, generally compiled from the source files are installed here /usr/sbin Store the installed Administrator program /usr/share Files stored in the/usr/share pr

files. There is a significant portion of log files that only the root user has permission to read, which guarantees the security of the relevant log information.Example: View the various log files and subdirectories in the "/var/log" directory.650) this.width=650; "title=" 1.jpg "src=" Http://s3.51cto.com/wyfs02/M02/4D/64/wKioL1RQknSReRFfAADquLbhkSk216.jpg " alt= "Wkiol1rqknsrerffaadqulbhksk216.jpg"/>In these log files, the more important or frequent

: Python is one of floss (free/open source software). The user is free to publish copies of the software, read its source code, make changes to it, and use it as part of the new free software. Floss is the concept of sharing knowledge based on a group.High-level languages: When writing programs in the Python language, you don't have to consider the underlying details such as how to manage the memory used by your program.Portability: Because of its open source nature, Python has been ported on ma

OverviewFrom this blog post, will lead the reader to appreciate the strong nginx.What is Nginx used for? I believe that many friends have already used, if you do not, then you must know one of the following names: Apache,lighttpd,tomcat,jetty. They occupy almost all of the current Web server, where Apache is the most well-known and the most heavyweight. LIGHTTPD, Tomcat, and Jetty are relatively lightweight, where Jetty, Tomcat is used as a Java server container.Nginx is a bsd-like protocol base

Monitoring Server StatusGet System Performance Information1, CPU information:The Linux operating system uses several parts of the CPU:User time; SystemTime; Wait Io;idlePsutil.cpu_times ()Psutil.cpu_times (). UserPsutil.cpu_count ()2 , Memory informationpsutil.virtual_memory () # View memory Full informationpsutil.swap_memory () # View Swap Partition Information3 , disk informationpsutil.disk_io_counters () # get the hard drive IO Totalpsutil.disk_usage ('/') # get the usage of a partitionpsutil

read data from the model layer and display the data on the View page. This section is about the Web site registration features that are required for each site and see how to do it in MVC mode. 1. Prepare for work. Development tools: VS2010, sqlserver2005 database Database user Information table: first create a table in the database to hold user information --User Information table CREATE table[dbo].[ UserInfo] ( [UserName] [varchar]

/rc.d/init.d/ # cp/usr/local/keepalived/etc/sysconfig/keepalived/etc/sysconfig/ # cp/usr/local/keepalived/sbin/keepalived/usr/sbin/ # Chkconfig keepalived on Create a new profile, and the default keepalived boot will go to the/etc/keepalived directory to look for the configuration file # mkdir/etc/keepalived # vi/etc/keepalived/keepalived.conf ------------------ Global_defs { Notification_email { Lzyangel@126.com } #当主, the backup device changes, by

Article Main Content list: 1, adjust picture size, not shape (FF IE compatible)/Cut picture (Overflow:hidden)2, control the number of textarea area text3, click to display a new window4, the input box automatically becomes longer with the content automatically5, add Favorite Folders6, set the home page7, Jquery + Ajax to determine whether the user exists8, to determine whether the e-mail format is correct9

1. Network Data collection is a way of collecting network information through various means. The most common approach is to write an automated program to request data from a Web server (usually an HTML form or other Web page file), and then parse the data to extract the required information.2. Web crawler Work Flow :(1) Get the HTML data through the website domain name;(2) Analyzing the data according to th

considerable understanding of OO. Third, the attractive Java technology First, let's talk about Java technology. It needs to be explained that, unlike the computer languages commonly heard or used in C, C + +, Visual Basic, Delphi, Java technology refers specifically to the application, not the Java language. Anyway Java technology is the technology that helps you to experience interconnection and enjoy interconnection. Since Sun Microsystems invented Java in 1995, Java technology has been w

not NULL Identity(1,1)PRIMARY KEY,--numberingAuthorNamenvarchar( +) not NULL,--Author's nameSexbit not NULL DEFAULT 1,--SexBirthdaydatetime NULL,--BirthdayEmailnvarchar( -)DEFAULT '[email protected] ' CHECK (email like'%@%'),--e-mail telphone nvarchar (60),--Contact phone City nvarchar (+) DEFAULT'Beijing',--Description ntext–-, City of residence, introduction to the author)Determine if a data table exis

access to Level 1 stairs: What issql Server AlwaysOnPerry Whittle,2016/02/24(first published:2014/09/24)The seriesThis article is part of the series: Stair Stairs AlwaysOnAlwaysOn is a complex set of technologies that are often misunderstood. On this staircase you will learn about AlwaysOn Technology, how they adapt to the highly available stacks, and how to use them well. Welcome to SQL Server AlwaysOnin the first level ladder series. In this

In the Xilinx ZYNQ 7000 platform, using UDP to send 1 bytes or 2 bytes of data, checksum is the error value of 0xFFFF, the receiver can not normally receive the data sent by the ZYNQ7000 platform, I have found the solution to the problem, have the problem of friends can through the mailbox [ Email protected] Contact me , please describe your environment in detail, the problem solution for the consultation will charge a certain fee, the cost will not

installation of LinuxIn VMware Workstation10, import the Red Hat Enterprise Linux.5.4.iso image, as shown, press ENTER650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/4C/38/wKioL1Q5CBLC5fAPAAJAChRxaVk860.jpg "title=" 1 "alt= "Wkiol1q5cblc5fapaajachrxavk860.jpg" height= "407" width= "593"/>The installer automatically detects hardware such as discs, hard disks, CPUs, and so on.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4C/37/wK

;Subnet own host network segment the last set of numbers is 0. Netmask 255.255.255.0Range itself sets the IP range (ip1 ip2) that is on the same network segment as the hostOption Route Gateway IP650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M02/89/1A/wKiom1gHb87hxR9dAAGmJZpe3j8622.png-wh_500x0-wm_3 -wmp_4-s_2227992181.png "title=" 2016-10-19 15_33_43 screenshot. png "alt=" wkiom1ghb87hxr9daagmjzpe3j8622.png-wh_50 "/>F. Restart DHCPSystemctl start DHCPDG. Purging log files:>/var/log/mess

Under Linux, you can use the Crontab + PHP tutorial approach: 1. Use Crontab–e to edit timed tasks Content is: XX:XX:XX executes a test.php file 2, the PHP file must be in the first line of the file, plus the interpreter path (as Perl did) #!/usr/local/bin/php The execution of PHP requires Apache support, the execution of the shell script requires Linux support, and Linux supports the ability to run a program on a regular basis. ---------------

applications are set in the Web.config file. The sample parameters include references to the membership provider (or database), the required password strength, and whether to register e-mail messages. The relevant sections of the Web.config file are shown below, which contains examples of minimum security configuration values. Details can be obtained by accessing Visual Studio 2005 Help and then reviewing the membership members. Each security paramet

collaborate and provide a set of "Web services" that can interact. 1.1.2 Microsoft. Introduction to Net 1.1.2.1 MicroSoft. NET Overview MicroSoft. NET platform includes the. NET infrastructure and tools used to create and manipulate the next generation of services; the. NET User experience that can enable a large number of clients to build a new generation of highly distributed millions of. NET block-building Component Services, and for enabling a new generation of smart Internet devices. NET D

displays the instructions that the user is executing Bash command: Enter child shell echo $SSH _tty #查看当前用户的TTY号 8.9 environment variable configuration file [troubleshooting] 8.9.1 system environment variable configuration file /etc/profileThe file presets several important variables like path, USER, LOGNAME, MAIL, INPUTRC, HOSTNAME, Histsize, Umask and so on. /etc/bashrcThe file is primarily pre-umask and PS1. This PS1