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Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it catalogue Tip: Here you can add the general contents to be recorded in this article: For example, with the continuous development of artificial intelligence, machine learning technology i ...

Operation steps 1. Install nginx [root@localhost ~]# yum -y install pcre-devel zlib-devel gcc gcc-c++ make [root@localhost ~]# useradd -M -s /sbin/nologin nginx [root@localhost opt]# cd nginx-1.12.0/ [root@localhost nginx-1.12.0]# ./configure \ > --prefix=/usr/local/nginx \ > --user=nginx \ > --group=nginx \ > --with-http_stub ...

preface Basic principles and common commands of docker virtual machine Host OS and Guest OSSoftware such as VMWare operates the hardware directly or through the Host OS, as shown in the following figure Running multiple virtual machines will cause a lot of waste of hardware resources, and docker technology came into being container Differ ...

1, Text processing tool grep Linux has the tools grep, sed and awk called the three swordsmen of text processing. In this paper, grep 1. Brief introduction grep text filtering tool, fully known as Global search REgrlat expression and Print out the line. You can match the content between large sections of text according to the specified filte ...

Files and directories cd command is used to switch the current directory. Its parameter is the path of the directory to be switched to, which can be absolute path or relative path. cd /home get into '/ home' catalogue cd .. Return to the previous directory cd ../.. Return to the upper two directories cd ...

1, Serial connection Prepare two USB to TTLS and several DuPont cables, cross connect the RX and TX pins of the two USB to TTLS, and connect the two USB interfaces to a laptop (simulate the serial port transmission between the two computers). 2, Transfer file Using the serial port debugging assistant that can transfer files (I use SSCOM ...

Detailed explanation of dpkg command in Ubuntu system Dpkg, package manager for Debian, is a major package management tool in Debian and Debian based systems. It can be used to install, build, uninstall and manage deb format software packages. The main and more friendly front end of dpkg is aptitude. Dpkg itself is completely controlled by comm ...

I. preparation before installation 1. Check whether mysql has been installed and execute the command [root@localhost /]# rpm -qa | grep mysql From the execution results, we can see that mysql-libs-5.1.73-5.el6 has been installed_ 6.x86_ 64. Execute the delete command [root@localhost /]# rpm -e --nodeps mysql-libs-5.1.73-5.el6_6.x86_64 ...

When you start the service before, you can find that you start the solr service first and then the faq service,It can be seen from Baidu AnyQ four that the FAQ data set is completely controlled by solr,So in anyq, the data and the model (logic control) are very loosely coupled. So in this part, consider the logic part 1. run_server 1.1 locki ...

Query the recently executed Java command cat ~/.bash_history | grep java 7. history command The history command is used to display the commands executed in history. The format is "history [-c]". The history command should be the author's favorite command. Executing the history command can display the last 1000 command records execu ...