How to set up a linux global proxy? System level proxy vs. application proxy

Figuring out the Linux global agent doorway

Many of you will come across the need to use Linux with theSystem-wide walk-through agentsituations, such as doing cross-border e-commerce data collection or engaging in cross-border business matching. There are two levels to talk about here:System level agentsis to underwrite all programs, and theapplication agentThe software is set up by the individual software itself. Let's focus today on how to get the entire Linux system to use the proxy channel.

Two poses for system-level agents

The first method is through theenvironment variableSetup, this is a good trick for temporary use. Open a terminal and hit these lines:

export http_proxy="http://用户名:密码@ipipgo proxy IP:port"
export https_proxy="http://用户名:密码@ipipgo proxy IP:port"

Note that here you have to use the dynamic residential proxy provided by ipipgo, their house supports HTTP/SOCKS5 dual protocol. For example, if you get the socks5 proxy, remember to change the protocol header to socks5://

The second method is to modify theSystem Configuration File, suitable for long-term use. Add it to the /etc/environment file:

http_proxy=http://ipipgo代理IP:端口
https_proxy=http://ipipgo代理IP:端口

Here we recommend using ipipgo's static residential proxy, which is highly stable and not prone to dropping. After setting up, remember toRestart Network Services::

sudo systemctl restart systemd-networkd

Personalization of Application Proxy

Some programs are stubborn, like our common curl command. Even if you set up a system proxy, it may not take the usual route. You need to configure it separately:

curl -x socks5://ipipgo proxy IP:port https://目标网站

The old iron doing data collection should pay attention to the fact that when using ipipgo's web crawling service, it is recommended to integrate proxy authentication directly in the code:

import requests
proxies = {
    'http': 'http://用户名:密码@ipipgoDynamicResidentialIP:Port',
    'https': 'http://用户名:密码@ipipgo Dynamic Residential IP:Port'
}
response = requests.get('destination URL', proxies=proxies)

Agent Program Selection Guide

Handbook on avoiding pitfalls in actual combat

Pit Point 1:Setting up a proxy but it won't take effect? First use thecurl -v http://cip.ccCheck the export IP, if it still shows the local IP, check if the proxy address is written wrong, especially socks5 and http protocol, don't confuse them.

Pit Point 2:Some programs like docker bypass the system agent and have to be installed in the/etc/default/dockerConfigure the proxy parameters separately in the

Pit Point 3:With ipipgo's proxy, pay attention to the session settings. Choose a sticky session when doing login operations, and use auto-rotate mode when collecting data.

Frequently Asked Questions

Q:Why do you recommend using a residential agent?
A:Server room IPs are easily blocked. ipipgo's residential proxies are all real home networks, and it is not easy to trigger the anti-climbing mechanism when collecting data.

Q:What should I do if my internet speed slows down after proxy setting?
A:Check if you are using a transcontinental proxy, for example, if the target site is in the US but uses a European node. ipipgo supports city-level localization, and selecting the nearest node can speed up the process.

Q:What if I need to use multiple proxy IPs at the same time?
A:ipipgo's dynamic residences support automatic rotation, and smart switching is possible by configuring the IP pool in the code.

Q:How can I troubleshoot if the agent suddenly fails to connect?
A:Test the port with telnet first:telnet Proxy IP PortIf it times out, go to the ipipgo backend and change to an available IP. If it times out, go to the ipipgo backend and change to an available IP.

Finally, the choice of proxy service depends on the business needs. If you do long-term stable business, directly on the ipipgo static residential package; need to change a lot of IP scenarios, dynamic residential more cost-effective. Their background can see the real-time traffic consumption, so you know what you're doing.