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To install apache2.4 in Windows 7, we first need to download the apache2.4 installation program. Here we download the software from the apache official website http://httpd.apache.org/download.cgi . First, let's see how to download apache2....

This article introduces the character conversion command tr. Tr is a pipeline command that can be used to delete text in a message or replace text information! tr [options] ... SET1 [SET2] The commonly used options of tr are as follows -d d...

This article introduces the uniq command, which is also a member of the Linux pipe command family. Its main function is to remove duplicates. Before introducing the uniq command, let's create a new file /tmp/uniq.txt that will be used in th...

The sort command is a commonly used sorting command in Linux , and it is also a pipeline command . In order to ensure that future instances can get the sorting results we want, we need to set the following # export LC_ALL=C Okay, next we wi...

Grep is a frequently used command in Linux. Like the cut command, it is a member of the pipeline command. Its function is to analyze a line of data and extract the data we want from the analyzed data. It is equivalent to a search function....

What is a pipeline command? Judging from the name, it should be divided into 'pipeline' and 'command'. pipeline Let's look at pipelines first. This is how I understand pipelines. Pipelines are used to establish a connection between two comm...

NodeJs can automatically restart after modifying the code, saving us the trouble of ctr+c and then using node. But in terms of time, if the project is already online and running normally, and there are not many modifications, then we can do...

Scp copies files between two hosts over the network, and the data is encrypted during transmission. Its underlying layer uses ssh for data transmission. And it has the same authentication mechanism and the same security level as ssh. When u...

Compared with at , which executes a command only once, crontab, which we are going to talk about in this article, executes the set commands in a loop. Similarly, the use of crontab requires the support of the crond service. The service is s...

As the most commonly used web server, Apache can be used in most computer operating systems. As a free and open source Unix-like operating system, Linux and Apache are a golden pair. This article will introduce the installation and use of A...

By using Homebrew, you can greatly reduce the cost of setting up and configuring a development environment on Mac OS X. Let's install Redis. $ brew install redis After installation, we will see some notifications about configuration conside...

It's strange that there's no default GUI provided for us to update the scroll speed on Ubuntu, this is one of the more obvious configuration options missing. We will use imwheel to adjust the scroll speed of different applications. First cr...

I don't know if you have installed Baidu Netdisk on your Mac. If you have installed and used it, we will find through Activity Monitor that there is a baiduNetdiskSync service that has always existed. It is very distressing. Let's shut down...

Gradle is a Java-based tool, so it requires Java 8 or higher to be running on your machine. Before installing Gradle, make sure you have Java SDK 8 or higher installed. It runs on all major operating systems. We don't need to install groovy...

Commonly used terminals on Mac are terminal and iterm. In many cases, we need to modify the host name displayed in these terminals. As shown in the figure above, we use the command hostname to view the current host name From the results we...