How do I gracefully import settings.py configuration parameters from scrapy?You can't always use from scrapy import settings or from scrapy.settings import XXX.It doesn't look like anything.
scrapy provides a way to import settings: from_crawler
def from_crawler(cls, crawler):
server = crawler.settings.get('S ...
Posted on Mon, 18 May 2020 10:03:15 -0700 by rgriffin3838
Are you still using FTP to upload your War package? Here's a simpler and easier way to use. That's maven's cargo plug-in.
Cargo is a set of tools to help users operate Web containers. It can help users realize automatic deployment, and it supports almost all Web containers, such as Tomcat, JBoss, Jetty and Glassfish. Cargo provides Maven inte ...
Posted on Sun, 17 May 2020 08:37:07 -0700 by Haggen
C ා realize FTP upload data
1. By using FTP to upload files, the first step is to establish an FTP connection. Generally, to establish an FTP connection, you need to know the information about the FTP configuration. Generally, you need to create a ServiceFileInfo.cs File for recording, generally requires FTP address, login user name and login p ...
Posted on Wed, 13 May 2020 07:36:01 -0700 by alefort
1. Install vsftpd
yum install vsftpd
2. Set startup
systemctl enable vsftpd
3. Fill in the configuration file
My configuration information
Interpretation of relevant information
# Remove comments and overwrite
anonymous_enable=YES //Anonymous Access
Posted on Thu, 30 Apr 2020 19:11:17 -0700 by galvin
Use Python to crawl any web page's resource files, such as pictures, audio, videos; the common practice is to request the HTML of the web page to get the resources you want through XPath or regular. Here I have made a crawler software, which can crawl resources with one clickMedia files; however, it is important to note that the crawl ...
Posted on Mon, 27 Apr 2020 10:32:08 -0700 by Chris Powell
DHCP server is mainly used to assign IP address and other network parameters to clients in the internal network of the enterprise.
In the unattended environment, when the client chooses to start from the network, it will look for the DHCP server by sending broadcast packets. After obtaining the IP address and other parameters from ...
Posted on Thu, 23 Apr 2020 01:46:43 -0700 by cainscripter
CentOS 7.0 uses firewall as the firewall by default, and the previous version used iptables.
Therefore, you cannot view the firewall status by executing the following command in CentOS 7.
[root@localhost ~]# service iptables status
Redirecting to /bin/systemctl status iptables.service
Unit iptables.service could not be found. ...
Posted on Sat, 04 Apr 2020 09:40:53 -0700 by uNF
1, Download Software
2, Packages on which to install
1. Install apr
$ wget http://mirrors.tuna.tsinghua.edu.cn/apache//apr/apr-1.6.3.tar.gz
$ tar -zxvf apr-1.6.3.tar.g ...
Posted on Thu, 02 Apr 2020 04:19:18 -0700 by Med
The previous series of articles essentially covered the basics of linux management, starting with this one about deploying and configuring service programs in centos7 to provide a variety of services to the outside world.
In our daily work and entertainment, all kinds of resources we need are inseparable from the network and various services. W ...
Posted on Thu, 27 Feb 2020 19:04:41 -0800 by oughost
The environment of this experiment is RedHat 7.0 system, and the experiment content comes from "linux should learn this way"ftp is a file transfer protocol in the Internet. Based on the client / server mode, port 20 / 21 is used by default. Port 20 is used to transfer data and port 21 is used to receive relevant ftp commands and para ...
Posted on Tue, 18 Feb 2020 23:15:58 -0800 by TheChief