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Category: OS

Operating System (Operating System, referred to as OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on the “bare metal”. Any other software must be supported by the operating system to run .

Regular expression matching URL does not contain a given string set

I need to match all that does not contain /admin/or? page = URL.

I will use it as a redirect rule in the iirf.ini file (htaccess syntax is supported).

How can I do this ?

^(?!.*(/

October 18, 2021By Simo Regexp expressions, given, INCLUDE, matching, regular, set, string, URLLeave a Comment

Regular expression – overlapping text replacement using Perl regular expression

I have a text file containing a bunch of sentences. The sentences contain spaces (spaces, tabs, new lines) to separate words composed of letters and/or numbers.
I want to find the word “123” or “

October 18, 2021By Simo Regexp expressions, overlap, perl, regular, replacement, Text, useLeave a Comment

Windows – NCAT SSL problem, certificate verification failed (self-signed certificate)

I am currently trying to use ncat with SSL to bind cmd shell in Windows to allow Kali Linux computers to connect.

On Windows computers On the Kali Linux computer, I run

ncat –exec cmd.e

October 18, 2021By Simo Windows Certificate, Certificates, Failure, NCAT, questions, signature, SSL, verification, windowsLeave a Comment

GREP Find shell foundation

1, define a command alias that is effective for all users, for example: lftps=’172.168.0.1/pub’

echo “alias lftps=’172.168.0.1/pub'” >> /etc/bashrc && source /etc/bashrc 2, display all lines

October 18, 2021By Simo Unix foundation, GREP, shellLeave a Comment

Xargs, sort, uniq command

The xargs, sort, and uniq commands are introduced by a question from LeetCode and used to understand;

The title is this: write a bash script to count a text file words.txt.

The content

October 18, 2021By Simo Unix Command, SORT, UNIQ, XargsLeave a Comment

Regular expression problem: independent location of words

Is it possible to define a regular expression pattern that checks for example. The 3 words are independent of their position in the main chord?

For example, my string is like “click here to u

October 18, 2021By Simo Regexp expression, independence, location, problem, regular, WordLeave a Comment

Shell script – text processing and programming principle

1. Text processing tools

wc command

wc (Word count) is used to count the number of characters in a text file

15 is the number of lines 78 is the number of characters 805 is the fi

October 18, 2021By Simo Unix and programming, principle, Processing, Script, shell, TextLeave a Comment

YUM Install Apache PHP MySQL

Installation:

yum install -y httpd php

rpm -qa httpd php

httpd-2.2.15-54.el6.centos.x86_64

php-5.3.3 -48.el6_8.x86_64

Modify the apache configuration file:

vim /

October 18, 2021By Simo Unix apache, install, mysql, PHP, YumLeave a Comment

Regular expression – Search repeated files across multiple directory

I downloaded some files related to a specific topic from the Internet. Now I want to check if there are any duplicates in the files. The problem is that the names of the files will be different, bu

October 18, 2021By Simo Regexp catalog, Content, cross, expression, file, lookup, multiple, press, regular, repetitionLeave a Comment

Regular expression – delete parameters using MOD_REWRITE

I want to use mod_rewrite to delete a specified query parameter from the URL.

Example:
1) User enters the URL:

http://localhost/intra/page.htm?var1=123&var2=456&var3=789 2)mod_rewrite

October 18, 2021By Simo Regexp delete, expressions, MOD, parameter, regular, rewrite, useLeave a Comment

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