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the deletion of the competition database without lock more moneyTen, social workers, including the flower-type search social work pool, Weibo, QQ signature, WhoisXi. Windows features, including short file names, IIS parsing vulnerabilities, NTFS file system wildcard characters,:: $DATA, colon truncation12, SSRF, including fancy probe port, 302 jump, fancy protocol utilization, Gophar directly take shell, etc.13, XSS, various browser auditor bypass, Rich text filter black and white list bypass,

tee filter is used to send output to multiple destinations. If used for pipelines, it can copy the output to one file and copy the other to the screen (or some other program).~$ Ll/etc | NL | Tee/tmp/ll.outIn the example above, the LL output can be captured in the/tmp/ll.out file and also displayed on the screen.Q: Export PS1 = "[email protected]: $PWD: What is this command doing?"A: This export command changes the login prompt to display the user name, the native name, and the current working

assignment?A: the "unset" command is used to cancel a variable or cancel a variable assignment. The syntax is as follows: 1 # unset q:22 How to perform arithmetic operations?Answer: There are two ways to perform arithmetic operations:Use expr command (# expr 5 + 2) 2. Use a dollar sign and square brackets ( $[ 表达式 ] ) For example: Test=$[16 + 4]; test=$[16 + 4]q:23 The basic format of the Do-while statement?A: The Do-while statement is similar to the while state

users are stu21-stu30 random userinfo.txt Span style= "font-family: ' The song Body '; >, format username:passwd above the random number I used to build the date, is not right, because there may be a repetition, so I then simply use random**3 take its former 8 bit, which ensures uniqueness. method 4: from freeandeasyEcho stu{01..10} |tr ' \ n ' |sed-rn ' [email protected]^ (. *) [email protected] \1; echo $RANDOM |md5sum|cut-c 1-8 >/data/\1;cat/data/\1|passwd--stdin \[email pr

have an asset management platform (CMDB), which also requires our OPS personnel to manage the records and changes of various server resources.8. Some enterprises may be involved in employee account, authority Management (GIT/SVN), may also need us to allocate.9. Fault handling. This needless to say, encounter problems, you have to deal with. Or a list of common failures: site access is slow or inaccessible, server downtime, a service outage, DDoS attacks, CC attacks, disk corruption, storage co

, which is useful for tracing the intrusion.Q: What is the function of the tee filter?Answer: The tee filter is used to send output to multiple destinations. If used for pipelines, it can copy the output to one file and copy the other to the screen (or some other program).[Email protected]:~$ ll/etc | NL | Tee/tmp/ll.outIn the example above, the LL output can be captured in the/tmp/ll.out file and also displayed on the screen.Q: Export PS1 = "[Email protected]:\ $PWD: What is this command doing?

/bashrcUser personal:~/.bashrcThe BASHRC class configures the role of the file:1. Used to define local variables;2. The alias used to define the command;3. Definition of umask;Note: Only Superuser root can modify the configuration file of the global class, and ordinary users can only modify the personal profile in their home directory;The following configuration files are loaded sequentially by the interactive logon shell process:/etc/profile--/etc/profile.d/*.sh--and ~/.bash_profile--~/.BASHRC-

old boy One topic per day:2017-3-7 Day content finishing (i) Solution Strategy To the enterprise interview is a number of competitors, so pay attention to the dimensions and height of the answer, we must direct the second to kill competitors, to fix high-paying offer. (ii) solution Tactics Linux web Upload a directory of ways to upload Trojans to linux server, depending on the website from which the malicious person visited the site -- >linux system -->http service --> Middleware servi

fgets () function is generally used to read the n-1 characters in the file into s , in fact, this function has a good use is to read the string from the standard input stream, And do not worry about the number of characters entered beyond the size of the character array, causing overflow problems! How do you do it? As follows:Char str[]; It is worth noting that: remember that fgets () reads only n-1 characters . therefore,fgets () reads the newline character, the end of the file, or the n-1 ch

get CPU usage through counters inside the CPU. In addition, you can visually obtain the program's speedup by comparing the execution time of the program. Note that the diagram in Windows Task Manager is unreliable, primarily because multiprocessor environments are complex, such as a dual-core processor with Hyper-Threading technology, when two full-load threads are executed in two physical cores, when Windows Task Manager reports a usage rate of 50% , it may be true that CPU utilization is 80~9

Q: For Baidu search on-line Aurora algorithm, how should we respond?Ze Industry construction Station NET Webmaster Yang Zeyi Answer: Baidu on May 30, 2018 on-line the Aurora algorithm, aimed at advocating The resource side attaches importance to the website landing page time specification . The time factor of landing page is the important reference for Baidu to search and judge the website to collect, display and sort the result. In order to provide users with a more satisfying search experienc

]; } }define a student class Student, which contains three attribute names, age, and gender, creates three student objects to be stored in a ArrayList collection. A: Iterates through the set traversal output. B: Find the oldest student, let the name of the object become: Gourd Doll. 1ArraylistNewArraylist();2Stu arr1 =NewStu ();3Stu arr2 =NewStu ();4Stu Arr3 =NewStu ();5Arr1.name= "Wang Rongshen";6Arr1.age = 23;7Arr1.sex = "Male";8 Stu.add (arr1);9Arr2.name = "Zhang Rui";TenArr

1, there are 100 integers, which have negative numbers, to find the sum of the three consecutive numbers of the largest part.Example:Input: 2,-8, 3,-2, 4,-10Output: 5 ({3,-2, 4})#include 2, Embedded systems often have features that require programmers to access a particular memory location. In a project, a value of 0xaa55 is required to set an integer variable with an absolute address of 0x67a9. The compiler is a purely ANSI compiler. Write the code to complete the task. #include C Language

1 /*2 returns the first n bits of the string and the first n bits of the returned integer3 */4 5#include 6 7UnsignedLongLeft (unsignedLongNumintn);8 Char* Left (Char* STR,intn);9 Ten using namespacestd; One A intMain () - { -UnsignedLongnum; the intN; -cout "Please enter an integer:"; -CIN >>num; -cout "Please enter the number of digits to intercept:"; +CIN >>N; -cout "before""bit is"Endl; + A Char* str =New Char( -); atcout "Please enter a string:"; -CIN >>str; -cout "Please enter the

same as a normal function.What is the docstring in 20.Python?The python Chinese file string is called DocString, and its role in Python is to generate documents for functions, modules, and class annotations.21. How do I copy an object in Python?If you want to copy an object in Python, most of the time you can use Copy.copy () or copy.deepcopy (). But not all objects can be copied.What is a negative index in 22.Python?The sequence index in Python can be either positive or negative. If it is a po

topic: D (1973): Give Yourself a quiz on the small xSubmit Page Summary time limit:1 Sec Memory limit:128 Mb submitted:38 solved:9 Description Small x Learning Dfs, in order to practice the search, began to play their own topic.Play play, one will put himself stumped, a will be baffled by their own, really interesting ah.Small x out of the problem:Now there are n different positive integers, asking how many such sets they can compose, satisfying:

digits after your study number (ex: dept_165)Note: Each constraint is created in steps. Column Name Data type Description of the column Dno Integer Department Number ( PRIMARY KEY constraint ) Dname CHAR (12) Department Name ( unique constraint ) Build table:Property:To add a PRIMARY KEY constraint:To add a unique constraint:2 , in OEM Create a table as required by the topic stu_ three digits after your study

points)#!/bin/bashdnum=find /etc -type d | wc -lThe number of directories in ECHO/ETC is "$dnum"fnum=find /etc -not -type d | wc -lThe number of files in the echo/etc is "$fnum"Num=$[dnum+fnum]The total number of files and directories in the ECHO/ETC is "$num"Unset Dnumunset numUnset FnumExit20. Write/root/bin/baketc.sh to find files that have not been modified in the/etc/directory for more than 1 days, and compress them back into the/bakup directory. If there is no previous backup, then backup

, logical addressing, packet transmission, routing, ARP,RARP Packet/message transmissionData Link layer--"point-to-point transmission, physical addressing (MAC) frame transferPhysical Layer-"physical media", bitstream transmission7. How to see what service name corresponds to a known port?Lsof-i Port numberNetstat-intup | grep Port number8. How does the route add a network route?Route add 10.41.0.0 Mask 255.255.0.0 10.27.0.1 #添加目标为10.41.0.0, subnet mask is 255.255.0.0, Next hop address is 10.27.

, which can produce a check box?Your answer: Correct answer: 16. In the following HTML, which can produce a text box?Your answer: 17. In the following HTML, which can produce a drop-down list?Your answer is:18. In the following HTML, which can produce a text area (textarea)?Your answer: Correct answer:19. In the following HTML, which can insert an image?Your answer: Correct answer: 20. In the following HTML, which can insert a background image?Your answer: Correct answer: This article is from th