inventor 2015

Linux OPS Practice-November 8, 2015-November 17 course Assignments (exercise) SummaryI. Homework (exercise) content:First, Iptables class workPremise: Input and output default policy is drop;1. The Web server that restricts the local host is not allowed to access in Monday; the rate of new requests cannot exceed 100 per second; The Web server contains the admin string and the page is not allowed; The Web server only allows the response message to leav

eight taboos in the 2015:linux of running with linux The growing popularity of servers in the enterprise, advanced linux linux Course. I have known and contacted to engage in linux Operation and maintenance work colleagues and friends are mostly halfway decent, rarely a gate to do linux operation and related work. Ask why they learn linux because of technology? Some people say that is the result of interest, also some people say is be

Linux OPS Practice-August 30, 2015 Course assignments 1, summarize the text editing tool vim use method; Vim: Full-screen editor; Vim's editing mode: Edit mode: Command mode; The two meanings are probably the same. Input mode, last-line mode. Edit mode (switch to) input mode: Insert:i Append:a New Line:o Beginning of line: I End of line: A New row above: O Input mode à edit mode: Esc Edit mode, last-line mode: ： Last-line mode à edit mode: Esc How to

files;11. Find all files that are not root, bin or hadoop under the/usr directory;12. Find all files whose contents have been modified and are not root or Hadoop for the last week in/etc directory;13. Find all files on the current system that are not owned by the master or group, and have been visited in the last week;14. Find all files of more than 20k and type of ordinary person in/etc directory;15, look for all the users in/etc directory do not have permission to write files;16. Find at leas

Hardware detection Master LU 2015 Hardware testing is more commonly used functions, not only accurate, but also to provide you with Chinese manufacturer information, so that your computer configuration at a glance, you can view the computer CPU, graphics, memory, motherboard, hard disk and other core hardware brand models, refused to deceive the Shanzhai brand profiteers. It is suitable for all kinds of brand desktop, notebook computer, DIY compatibl

Sogou input 2015 by Ctrl+space cannot be between Chinese and English can not switch between the reasons: Finally found that small series by Ctrl+space can not switch between Chinese and English reason: small knitting on the computer input method only Sogou Pinyin input method, there is no English input method, of course, can not be normal in English and Chinese switch. Believe that many netizens have encountered similar problems, because their own in

1. Download the Microsoft Office 2015 installation package and unzip it, find Setup.exe in it, run as Administrator 2. Check my acceptance of the terms of this agreement and continue 3. In selecting the desired installation, you can choose to install it now, or you can choose to customize it, for the sake of convenience you can choose to install it now, choose the custom 4. In the installation option, select the

　Cool Music Box 2015 shortcut keys how to set In order to better use the keyboard operation cool music related operations, in the Music box set the song play/Pause/stop, Volume size adjustment/mute, play on/Next, minimize and mini mode, such as the operation of shortcut keys and a full set of shortcut keys; 　　Cool Music Box 2015 where is the shortcut key set View the default settings for shortcut keys an

Excerpt from: http://www.ithome.com/html/it/145411.htmFree UK web consultant Craig Buckler for many years in programming language statistics, this article statistics from the Githut, RedMonk and other four sources of language ranking situation. He says the choice of language needs to learn a language that best helps you solve practical problems according to your own situation.The following are the translations:I have been working in programming languages for many years, and there are a number of

Write a function, enter a binary tree, each node in the tree holds an integer value, and the function returns the absolute value of the difference between the two nodes in the binary tree with the largest difference. Please note program efficiencyThis is a 2015 Arichu strokes of an online pen questionThe implementation method is very simple, traverse the binary tree, find the maximum minimum, one subtraction can find the maximum differenceBefore doing

Because previous work required the use of the Libcurl Open source project library after various studies found that the HTTPS protocol could not be usedLater through a variety of documents, found to need OpenSSL support, this need to download and build their own lib or DLLAs for the build of OpenSSL I will not do too much introduction directly paste an installation of the tutorial link you can refer to the followingHttp://www.cnblogs.com/yangyquin/p/5284530.htmlDownload Curl Open source project t

1. Error description [debug:]2015-06-09 16:56:19,520 [-------------------transcation start!--------------] Java.text.ParseException: Unparseable Date: "2015-06-09 hh:56:19" at Java.text.DateFormat.parse (dateformat.java:357) at Sun.reflect.NativeMethodAccessorImpl.invoke0 (Native method) at Sun.reflect.NativeMethodAccessorImpl.invoke ( nativemethodaccessorimpl.java:57) at Sun.reflect.DelegatingMethodAccess

Master LU 2015 testing the computer CPU temperature is generally how much First AMD processor AMD Althon, Althon Opteron, Duron and Sempron series AMD Athlon XP 1.33ghz+ 90 degrees AMD Athlon XP t-bred upto 2100+ 90 degrees AMD Athlon XP t-bred over 2100+ 85 degrees AMD Athlon XP Barton 85 degrees AMD Athlon 64 70 degrees AMD Athlon (Socket 939, 1.4 volts) 65 degrees AMD Athlon 70-degree FX AMD Athlon X2 71 degrees AMD Sempron (T-bred/barto

Tags: Oracle time period query To_date to_date and To_char usage comparisonWrite in front:Time period query, when using To_date, including the start date, does not include the end date;You can include a start date or an end date when using To_char. Specific effects1. To_date use, no query to end date.2. To_char use, query to end date.3.sql Contrast--includes start date, excluding end date Select*fromsyst_logwhere (Operate_time > To_date (' 2015-02-03

Tags: optimizing mysql index Sinsing databaseAfter a period of finishing, the 2015 Sinsing MySQL tutorial fourth finally completed, its positioning is modeling optimization, for: Click to enter, the book total of 120 pages or so, all the cases are completed under the Win7, it mainly introduces the contents of the table statements, data types, paradigms and anti-paradigm, modeling practices, Modeling experience, Optimization basics, indexing, data frag

As time goes by, 2014 is coming to an end, and before the arrival of the 2015, the moment must be recorded .... work: More busy, spend 2 hours a day on the way to work. There is not much to learn. No pressure ......===>>> See before (Money) road! life: Last week back to a trip home, feeling too much ... House, car ........===>>> see no hope! .......... denoted by an ellipsis in the coming 2015