curl download command: curl proxy download guide

Why does the curl download command need a proxy?

Curl old iron know, directly from the server to drag the file is like opening a blind box - sometimes fast and sometimes slow all depends on the face. Especially when the next big file, not moving into the PPT card, this timeproxy IPIt's a savior. It's like when you're in the checkout line at the supermarket and suddenly you realize that no one is at the next checkout counter and whoosh, you've cut in line successfully.

Take our ipipgo proxy, it is like to curl installed a smart navigation system. For example, if you want to download resources from overseas servers, you may have to go halfway around the world with your own direct connection, but if you hang up an ipipgo proxy node, you can go directly to the nearest line, and the speed will be whoosh.

curl -x http://用户名:密码@proxy.ipipgo.com:端口 Destination file URL

Teach you to hang proxy download

Here's the whole thing for the guys, starting with the most commonly used http proxy settings. On the command line, add a-xparameter, followed by the proxy address. Note that ipipgo's proxy address format looks like this:

curl -x http://vip001.ipipgo.com:31028 -O https://example.com/bigfile.zip

If you come across a proxy that requires authentication (such as our ipipgo's private proxy), remember to slip in your account password:

curl -x http://user123:pass456@proxy.ipipgo.com:31028 -L -O https://example.com/private.zip

Delineate the focus:The -L parameter allows curl to automatically follow the redirection, which is especially useful in cases where the download link jumps.

What if the download gets stuck?

Here's a list of a few common rollover scenes and resuscitation guidelines:

Tips for insiders

1. Remember to add-proxy-headerparameter, some servers will recognize this
2. If you want to measure the proxy speed, test the water with a small file first:

curl -x proxy.ipipgo.com:31028 -o /dev/null -w "%{speed_download}" file URL

3. Recommendation 1 of the following large document-C-Parameters, breakpoints, no two ways to continue transmission

QA time

Q: What's wrong with proxy IPs that fail when I use them?
A: Free proxy is often like this, so it is recommended to use ipipgo's exclusive proxy, the stability is similar to the home wifi

Q: Can I speed up by using multiple proxy IPs at the same time?
A: You can try ipipgo's proxy pool function, automatic switching nodes, than manually cut save a lot of work!

Q: It's not safe to enter passwords on the command line, is it?
A: ipipgo supports API to get proxy dynamically, you don't need to write the password in the script.

One final rant, choosing a proxy IP is similar to choosing a date, don't just look at the price. For example, ipipgo can provide24-hour technical response,National Exclusive RouteIt is the service provider that is the long-term meal ticket. If you don't understand anything, go directly to the official website and ask for online customer service, it's much faster than checking the documentation.