Curl download file command: Curl file download

Teach you to use Curl to hang the proxy to download the file.

Web developers must not have dealt with Curl, this thing is like a universal download tool. However, recently there are always brothers asked me: why use Curl file always stuck into a slide show? Today we will nag how to Curl装个代理ip--Proxy IP This is a good trick.

Why do I need a proxy for Curl?

For example, if you are dragging a file from a US server, a direct connection may be slower than a snail's pace. If you use a local proxy at this time, it is like paving a highway for the download channel. Especially with ipipgo this kind of professional proxy service, nodes like sesame seeds, randomly pick a close to use, speed directly take off.

 Basic download commands (turtle version)
curl -O https://example.com/bigfile.zip

 Open proxy pose (rocket version)
curl -x http://username:password@ipipgo-node1:8080 -O https://example.com/bigfile.zip

How do the proxy parameters play out?

Remember this universal formula:-x protocol://account:password@address:portThe ipipgo users just copy the parameters directly in the backend, their formatting is neat and clear:

A practical guide to avoiding the pit

1. EncounterCertificate errorDon't panic, add a -k parameter to skip the validation:

curl -k -x http://ipipgo-node2:8000 https://加密网站.com

2. Large files download easily broken? UseContinuing the Great Law::

curl -C - -x http://ipipgo-node3:8080 -O http://大文件地址

QA First Aid Kit

Q: What should I do if I can't connect to the agent all the time?
A: First check the four elements (protocol/account/password/port), and then use telnet to measure the port pass or fail. ipipgo has real-time node status in the background, pick the green marked with.

Q: The download speed is not as good as not using a proxy?
A: eighty percent of the node selection is far, in ipipgo console to change the node of the same geographical area. For example, you under the U.S. resources to choose their North American nodes, do not let the data around the world to sneak around.

Q: How to switch proxy nodes automatically?
A: Write a shell script to poll ipipgo's API, their node list is updated every 5 minutes, pick the one with the lowest latency and use it.

Why do you recommend ipipgo?

The agency pool for this one is deep enough that there are worldwide2000+A node squatting. The most tawdry is that there is an exclusive download optimization channel, the actual test 1G file can be more than 3 times faster than ordinary agents. New users to send 5G flow trial, registration code loseCURL2024And whoring 1G more.

Lastly, the use of proxy is not metaphysics, the key to choose the right service provider. Before the use of free proxy was pitched miserable, either the speed of pull crotch, or use two days on the road. Since I switched to ipipgo, the command line has never reported a 407 error!