During last days, I started to play with an Ambari cluster, based on the Hortonworks distribution. quick start. The service API is defined to be a subset of the Admin API and, by default, runs on port 5000. The Linux program curl is a simple way to run REST commands. Curl password arguments do NOT appear in ps output, except possibly for a minuscule (and hard to demonstrate) time period after the curl command is invoked. A reminder to myself on how to craft a JSON POST using cURL. The prettified version of the command will exclude any invalid flags (current as of curl version 7. com from the command line using the API >> cmdfu. CURL command to get access token not working. local/api/foo I want to be confident that. Program Interface: Executing wget and curl commands. cURL is a command line tool that most system admins are using on a day to day basis to perform a variety of different tasks. I go through your code snippet, did not find where you set the request method, it should be "PUT" as indicated in Curl command. August 1st, 2011 #8. Every file that is served on the internet has a filename. Curl command examples 1. If you requested an HTML page, you get the page source -- which is what a browser normally sees. com API in Power BI Desktop using Get Data>Web>Web API using the API endpoint and API key that they have. Find Out Public IP Address From Command Line On Linux. sudo apt-get install php5-curl. For Fedora system, use DNF Command to install curl. Question- How to POST JSON data with curl? How to POST JSON data with curl command line? How do I POST JSON data on Linux terminal? You can add -H "Content-Type: application/json" header value to Post the JSON data to curl command line. GitHub is where people build software. As you will see below, the amount of features will make your head spin!. In this tutorial we are providing 5 curl frequently used commands to download files from remote servers. curl has established itself as one of those trusty tools that is there for you to help you get your work done. Sign up to comment, ask a question and more. curl is a computer software project providing a library for transferring data using various protocols. cURL is a tool we all find very useful, and if we are PowerShell users, we often want to have the combination of PowerShell and cURL. One of the simplest uses is to download a file via the command line. cURL supports various protocols like,. How to test apache and http headers from windows command line without a sniffer. curl( V ) returns the curl of the vector field V with respect to the vector of variables returned by symvar(V,3). Having no PS experience, I opened up PS and tried curl, saw that it was a known command but couldn't get it to work as expected since it didn't behave like curl usually does. I still can't figure out how to get and use certificates with curl but my ultimate goal has been accomplished. PDF Cloud for cURL and there is nothing to install. When verbose mode is enabled, curl gets more talkative and will explain and show a lot more of its doings. cURL from a file input I am trying to post to a rest service with the url saved in a file. For libcurl hackers: curl_easy_setopt(curl, CURLOPT_CAPATH, capath); With the curl command line tool: --cacert [file]. In this article we have explained a brief history of the origins of curl and explained how to use curl command through 15 practical examples in Linux. # run the command as the developers group $ oc --as-group=developers get pods It’s very handy and quick in many situations, for example, to check if a user can perform a specific action or to check the output a user would receive when running oc. The curl progress indicator is a nice affordance, but let's just see if we get curl to act like all of our Unix tools. Execute the command in Terminal or command prompt. cURL command 1: Check URL. The curl command issues GET requests by default. During last days, I started to play with an Ambari cluster, based on the Hortonworks distribution. mod_commands processes the API commands that can be issued to FreeSWITCH via its console, fs_cli, the event socket interface, and scripting interfaces. The curl command is quite useful and flexible. Online curl command line builder. How to Download and Extract File Using Wget Command. Add the URL to retrieve with the addParameter() method, and run it all with run(). How to get access token for a Bluemix SSO service using curl command? Question by dineshgv ( 1 ) | Mar 02, 2016 at 05:31 AM liberty sso ibmcloud I have created a WAS liberty app in Bluemix and bound it to a Bluemix SSO service. Interesting, I created following curl commands to access HPE SM and I tested all of them on 9. Curl is command line utility for transferring data from or to a server designed to work without user interaction. samplewebsite. If you requested an HTML page, you get the page source -- which is what a browser normally sees. Here we show some of the most common ElasticSearch commands using curl. cURL is […]. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted. Send a DELETE request using curl command Written by Guillermo Garron Date: 2012-05-27 17:35:00 00:00. Try all methods and pick one that suits you. curl defaults to displaying the output it retrieves to the standard output specified on the system (usually the terminal window). Undeliverable: The command can't be delivered to the. How to run api requests with curl : GET, POST, PUT, DELETE Ref:. I'm trying to create REST API call rules to connect with Citrix GoToTraining, however I first need to authenticate in order to even start making calls. First, to get some information, type:. However, it is a little cumbersome to work directly with cURL, since even a simple cURL request looks like this: Postman has a nice UI, which makes it easy to add/remove parameters, changing things is more flexible. curl tutorial with examples of usage 12 March 2011. I'm trying to use shell commands from within Javascript to call curl (using SSL and needing to ignore certificate issues). If your API endpoint can only accept one at a single time, then you can write a bash script that traverses your json array and throws a curl command for each one of them. It is that list of protocols that helps curl manage to be so flexible, as the command supports: DICT. In this tutorial I will show you how to pass parameter in php curl get request. Using Curl commands with Webdav | Curl is a command line tool for doing all sorts of URL manipulations and transfers, but this particular post will focus on how to use curl for managing (read/ delete/ rename/ upload) files on Webdav Server. If you once used Linux and have since moved to Windows, or if you use both Linux and a Windows machine, you likely miss this little tool but there's no reason to. The curl command is a powerful command line tool used to transfer data to or from a server. ) to a system shell. begin("curl");. cURL is an inbuilt command line tool and it will be available on most of the Linux/Unix based systems. This tutorial shows you how to access Oracle Messaging Cloud Service via the REST interface by using the cURL command-line tool. CloudFoundry: Authenticating and running CF API commands using curl The Cloud Foundry CLI makes it easy to authenticate into a target API endpoint to consume the Cloud Controller API ( CAPI ). Specify username and password for curl command. I want to download package which is created by package manager using cURL command. These tools come in handy on headless systems where there's no GUI. cURL is an extremely useful command line tool for making HTTP requests and can be used for diagnosing errors, downloading content and so. This article covers the following. Here you see that bash can be used to string curl request together with logic to carry out the intent of your script. Curl options. The E2800 storage array contains an embedded web server. Below are the protocols currently supported by curl. The web page will only accept incoming files form an IP address and port that is on our fire wall the curl command I am using is. pfx -out certs. Installing cURL. Curl is an example of a third-party command line tool that you can use to post documents to Interchange. We also share information with patrons before the general public. It is very handy to have the abililty to arbitrarily send POST data from a form to a script. Our API Testing Series continues with a look at two command line tools – HTTPie and curl. Re: convert curl commands into Apache HttpClient in java Sorry I missed this one. rvm/ If the install script is run as a standard, non-root user, RVM will install into the current users's home directory. 8 out of 5 stars 2. twbx" As long as the file name is valid for the OS that should work. cURL is pre-installed on many Linux and Mac systems. The first time I tried this I read through the Google guide to authentication and authorization and decided to use OAuth 2. The built-in Invoke-WebRequest cmdlet provided by Powershell is available, as well as the venerable curl command. CURL failed with PHP5. ; The Symantec web server based on your location. Send a DELETE request using curl command Written by Guillermo Garron Date: 2012-05-27 17:35:00 00:00. First, to get some information, type:. 1-r2) Executing mdocml-apropos-1. Interchange does not support retrieval of documents. It can use any one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or FILE) for data transfer. sudo apt-get install php5-curl. quick start. The “ cf login ” command allows you to pass or interactively provide the user, password, org, and space. We are sending a file to a bank and want to make sure the file gets there. First I tried to run this command but it failed: sudo apt-get update && sudo apt-get install php5-curl. HTTP POST and GET using cURL in Linux [duplicate] python -mjson. Curl is a client to get or send documents on a server using any of the supported protocols: HTTP, HTTPS, FTP, GOPHER, DICT, TELNET, LDAP or FILE. Check out this KB How to test SSL endpoints of DLB using curl to understand how to make up curl command pointing to the non-default endpoints Get the IP of the DLB from the web console Make up the curl command and test the two-way authentication against non-default endpoints. Above cURL Commands will only display the content of the web page you requested, You can also save the output into a file directly, curl -o san. 509 certificate) using openssl. This might very well become our most powerful platform as it allows anyone to integrate any type of switch into Home Assistant that can be controlled from the command line, including calling other scripts!. Parsing JSON with jq JSON is a lightweight format that is nearly ubiquitous for data-exchange. To quickly install Composer in the current directory, run the following script in your terminal. Step 2: Installation. First install Chocolatey, then run this command using an Administrator command prompt: choco install meteor. It is scriptable and extremely versatile but this makes it quite complicated. Above cURL Commands will only display the content of the web page you requested, You can also save the output into a file directly, curl -o san. Get access token using password grant type. Question- How to POST JSON data with curl? How to POST JSON data with curl command line? How do I POST JSON data on Linux terminal? You can add -H "Content-Type: application/json" header value to Post the JSON data to curl command line. cUrl is a command line tool that Linux users are more than familiar with. When you send out an HTTP request for a URL with curl, it uses a. It’s a little like wget. libcurl is the library curl is using to do its job. curl is basically made to do single-shot transfers of data. Installing cURL. Step 1: Prep. See your command line tool below for the cURL syntax to use when making requests to Oracle Eloqua's APIs. That is the purpose of the first two sections of this chapter. wp plugin activate is another. html is the filename and content can be viewed with an editor. This includes both code snippets embedded in the card text and code that is included as a file attachment. And we can have zero or more of them to accompany the URL in the command. I want to get the results of the curl command into a file that I can save. ) (To transfer multiple files use wget or FTP. What is cURL? cURL is a command line tool which is used to transfer data from one server to another. Try all methods and pick one that suits you. Normally, if we want to find the public IP Address we use, we go to google and search "what is my ip address". In this example, the cURL command is being used to get a list of saved queries from an account, using an appropriate key for authentication. If data is provided via -d, a POST will be performed instead, and the Content-Type will be set to application/json. Basically, the tool is designed to help you get or send files using URL based syntax and it works without user interaction. Though they share similar features, they aren't exactly the same. I'll assume that you know how to invoke 'curl --help' or 'curl --manual' to get basic information about it. How to install Curl on Windows 10 Roopendra March 3, 2017 How to install Curl on Windows 10 2017-09-23T19:45:47+00:00 Tips and Tricks , Windows No Comment Here is the step by step guideline to install curl on windows 10 machine. If you have PK chunking enabled for the query then. In that case, you can use the -L command line option, which will make curl redo the request on the new place. ; Open a Terminal and copy & paste the command below into it (then press the 'return' key). You can now install packages from Powershell. August 1st, 2011 #8. There could be a chance where you need to make a request from your command line rather than installing a tool such SOAPUI. curl is a command line tool to transfer data to or from a server, using any of the supported protocols (HTTP, FTP, IMAP, POP3, SCP, SFTP, SMTP, TFTP, TELNET, LDAP or FILE). You can use either curl or wget command to send HTTP request from UNIX or Linux operating system. It is easy to get started with Aspose. I can get the md5sum/sha1 via the command "openssl md5 FILE" and "openssl sha1 FILE", but how do I get the values that is on the server? (I don't like using "md5sum FILE" because on different OS's the format is a little different, but using the "openssl" command on any OS will always. Send a DELETE request to a web page is an easy task using curl. Command injection attacks are possible when an application passes unsafe user supplied data (forms, cookies, HTTP headers etc. Since cURL uses libcurl, it supports the same range of common Internet protocols that libcurl does. CURL and PHP combined can be really useful for getting data from websites, connecting to APIs (such as the Google Analytics API) and so on. cURL utility is a way to communicate with CouchDB. Once you've finalized and saved your request in Postman, you might want to make the same request from your own application. sudo apt-get install curl the above says latest version is installed. You can use cURL utility to access any website by using curl command followed by a website address. , with curl) for testing httpie - a python-based utility that's intended to be a more user-friendly replacement for curl. The curl utility is a command line tool available on Unix, Linux, Mac OS X and Windows and many other platforms. The intent of the tool is to transfer data, without user interaction, to or from a server, using one of the many supported protocols. Answer: On a high-level, both wget and curl are command line utilities that do the same thing. This section includes supplementary curl commands that you might find useful when using the REST API. Get a response from a server. curl works more like the traditional unix cat command, it sends more stuff to stdout, and reads more from stdin in a "everything is a pipe" manner. In my PC, RTC is not working, So I want Date&Time from server using curl command or is there any possibilities to get date and time without RTC in PC. So what is the easiest approach to get one? Unfortunately, OAuth2 is not supported just like Basic Authentication in the browser. This is problematic with credentials that contain special characters like the plus sign (+), such as SSH private keys or AWS access keys. Download File from the Internet character vector of additional command-line arguments for the "wget Neither of the wget nor curl commands is widely. The trading engine does not support retrieval of documents. It is that list of protocols that helps curl manage to be so flexible, as the command supports: DICT. The built-in Invoke-WebRequest cmdlet provided by Powershell is available, as well as the venerable curl command. More detail can be found in the API reference for buckets or objects. Introduction curl is a command line tool which is used to transfer data over the internet. In this article, we will explain what is cURL and why would you want to use it on your Linux VPS. First install Chocolatey, then run this command using an Administrator command prompt: choco install meteor. I already coverred PHP CURL tutorial with Examples in my previous posts. It’s great to be able to directly copy a curl command line from postman. (HTTP/FTP/FILE) HTTP-servers feature the command HEAD which this uses to get nothing but the header of a document. Curl is command line utility for transferring data from or to a server designed to work without user interaction. Show the headers only for a request with cURL Posted in Linux/Unix/BSD - Last updated Aug. curl is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or FILE). apt-get update. Go to destination folder. As you see cURL is a great tool to share files from the command line and it supports many protocols. 1-r2) Executing mdocml-apropos-1. For example, as a HTTP client, cURL can send a request to view or download content (GET request method), or to post content through a form on a website (POST request method). Save the file with custom name. Curl command with integer data Dec 29, 2013, 06:16 pm So I have some sensors which I would like to connect to a php script I and stores the GET data as variables. Invocation failures count against the MaxErrors limit of the parent command. sh is a simple file sharing service for the command line that allows you to transfer files up to 10G, and stores the file for up to 10 days. BULK API cURL commands to GET 100k records from Account. cURL is the magical utility that allows developers to download a URL's content, explore response headers, get stock quotes, confirm our GZip encoding is working, and much more. Required format for date&time is. cURL is a tool that every web developer should know at least the basics of. CURL command tutorial in Linux to transfer and retrieve files using various protocols like HTTP, FTP. 41 with curl running on windows, all commands are based on the restful API: 1. Following are some of the most used syntaxes with an example to help you. The missing package manager for macOS (or Linux). Running the following command will obtain a single record from the OpenWeatherMap API and save as a JSON file named weather. This section includes supplementary curl commands that you might find useful when using the REST API. Introduction curl is a command line tool which is used to transfer data over the internet. I work on linux or mac os and a couple months ago I was trying to show an intern on windows how to use curl to make HTTP requests from the command line. cURL commands can be built for most operations in AEM such as triggering workflows, checking OSGi configurations, triggering JMX commands, creating replication agents, and much more. For libcurl hackers: curl_easy_setopt(curl, CURLOPT_CAPATH, capath); With the curl command line tool: --cacert [file]. cURL is a software package which consists of command line tool and a library for transferring data using URL syntax. CURL’s command line options include two very useful switches, -I and -L:-I: when used, CURL prints only the server response’s HTTP headers, instead of the page data. There are around 120 different options that can be used with curl & in this tutorial, we are going to discuss some important Curl commands with examples. As the name suggests, cURL is a command-line tool for transferring data with URLs. A HTTP request is made up of several components such as the URL to make the request to, HTTP verbs (GET, POST etc) and headers. What Is My IP Address? - ifconfig. One of the most frequent asks we hear across the entire Windows command-line spectrum is “I need curl” and/or “I need tar”. The command I thought would work is: curl -c cookieTemp -L --trace-ascii traceLog -u username:assword cookieTemp showed 2 of the 4 cookies I would've expected. A simple introduction to GET and POST requests over HTTP. If you know your file remote location you can download it with a single command order. This is because curl doesn’t use the system proxy by default. If the site is using things like javascript to generate on-the-fly variables, you'll need to fake that somehow. --limit-rate. Every now and then I find myself needing to make an http request with specific cookies and headers to help debug an issue. So to check whether it is installed on your system already or not type curl in the command line. PDF Cloud for cURL. How can I fetch HTML web page content from bash and display on screen using shell utilities? You can use any one of the following tool or combination of all of them to get the contents of a webpage in a shell: [1] curl command – It is a tool to transfer data from or to a server using http/https. The command is designed to work without user interaction. For this tutorial, we had used “web for pentester” to support curl command. Install Try online Read docs Comparison of the same request sent with HTTPie and cURL. cURL command 2: Save the output of the URL to a file. The package supports retrieving data in-memory, downloading to disk, or streaming using the R “connection” interface. I already coverred PHP CURL tutorial with Examples in my previous posts. 6: The commands module has been removed in Python 3. is not enough. But there's another great usage curl command has: testing TCP ports connectivity. To run a REST command, put together the URL of one of the REST resources, specify the method to use, and add any parameters. I work on linux or mac os and a couple months ago I was trying to show an intern on windows how to use curl to make HTTP requests from the command line. This is the most simple use of curl. How to Get My Public IP Address using Linux curl Command In this tutorial we are going to learn how find Public IP Address of our computer using Linux curl command. ElasticSearch is sometimes complicated. Get a file from SharePoint with cURL If you know the URL of a file on a SharePoint server, it's just a matter of logging in with your AD credentials to get the file with cURL This is sample output - yours may be different. There may be better ways to do this, but when I was writing a mobile app, with the JavaScript client written in Sencha Touch and the server written with the Play Framework, I wrote some curl scripts to simulate GET, POST, DELETE, and PUT request (method) calls to my Play Framework REST/RESTful web services. It is the http equivalent of the mosquitto_pub and mosquitto_sub tools for MQTT. Send a DELETE request to a web page is an easy task using curl. cURL is free, open software that runs under various operating systems. Curl with Cookies and Headers 06/17/2010. SCIM REST WEB SERVICE - Executing through Curl Command For executing the Rest Webservice through curl command follow below steps-. It lets us post form data, FTP to a server, and much, much more. cURL can be used to download content from web pages. $ sudo dnf install curl. I have a problem in that I need to post an xml file from a specific port and specific ip address that resides on our firewall, to a web page. For "PHP/cURL", most of developers also refer it to "curl in PHP", "curl with PHP" and so on. Depending on the command line tool you use, the format in which you use cURL to make API requests will differ. To see the full documentation of the curl command, please read the man pages of the curl command. Get a shell to the running Container: kubectl exec -it shell-demo -- /bin/bash Note: The double dash symbol “–” is used to separate the arguments you want to pass to the command from the kubectl arguments. VERB: The appropriate HTTP method or verb: GET, POST, PUT, HEAD, or DELETE PROTOCOL: Either http or https (if you have an https proxy in front of Elasticsearch. And the "using libcurl" only told me how to compile. Basic curl example. Controlling Width and Height. COMMAND COUNT Get total number of Redis commands; COMMAND GETKEYS Extract keys given a full Redis command; COMMAND INFO command-name [command-name ] Get array of specific Redis command details; CONFIG GET parameter Get the value of a configuration parameter. Save the file with custom name. How to parse JSON string via command line on Linux Last updated on May 8, 2013 Authored by Dan Nanni 11 Comments If you often deal with JSON-formatted texts from the command line or in shell scripts, you may wonder if there is any command-line utility which can parse JSON string. The curl() and curl_download() functions provide highly configurable drop-in replacements for base url() and download. Re: How to verify curl/wget download artifact is correct. mod_commands processes the API commands that can be issued to FreeSWITCH via its console, fs_cli, the event socket interface, and scripting interfaces. The cURL Manager: cURL for Windows with automatic upgrades and special sftp features. In this article, we will show you how to download tar archives using two well known command line downloaders - wget or cURL and extract them with one single command. Duke Curl Command Texturizer Kit | Improve Your Natural Curl Pattern in 3 Simple Steps, For All Hair Types. Re: How to verify curl/wget download artifact is correct. Please let me know if you have other thoughts or comments on this document. Along the way, you will create a couple of API tests running against the Trello API, which is a real API with formal authentication tokens,. rvm/ If the install script is run as a standard, non-root user, RVM will install into the current users's home directory. 10) and using apache web server, but if you have any question to install php-curl in other environment, feel free to contact me of leave any comment, i will glad to help you. Hello all, I'm trying to run a simple GET request through the JIRA API. You can use kubectl to deploy applications, inspect and manage cluster resources, and view logs. CURL Syntax. List of common AEM cURL commands. so I am trying. (HTTP/FTP/FILE) HTTP-servers feature the command HEAD which this uses to get nothing but the header of a document. Having no PS experience, I opened up PS and tried curl, saw that it was a known command but couldn't get it to work as expected since it didn't behave like curl usually does. We cannot use curl command directly to get an access token for Authorization code grant type and Implicit grant type. It reads usage details from the callback’s PHPdoc. Was very confusing. Execute the command in Terminal or command prompt. The powerful curl command line tool can be used to download files from just about any remote server. Both wget and curl are command line tools for transferring files over the network via various network protocols like HTTP or FTP. Both commands allow you to send GET and POST request, which means you can also call REST web services. if TLS is configured properly except for having a self-signed certificate the command will succeed and. File issues or pull-requests if you find problems or have improvements. Append this option to any ordinary curl command line, and you will get a libcurl-using C source code written to the file that does the equivalent of what your command-line operation does! If this option is used several times, the last given file name will be used. So to check whether it is installed on your system already or not type curl in the command line. Using curl may create some problems. cUrl is a command line tool that Linux users are more than familiar with. This tutorial shows you how to access Oracle Messaging Cloud Service via the REST interface by using the cURL command-line tool. It turns out that it's not enough to copy the two dll's mentioned (libeay32 and sslea32) from the php folder into your system32 folder. cURL is a tool that every web developer should know at least the basics of. In the name cURL, c stands for Client and URL indicates curl works with URL's. What am I missing in my snippet in order to give authorization?. To test this you can run the following and you will get a list of all the curl commands you can run; curl. Please put your feedback using comment which helps me to improve myself for next post. It is a simple and robust command line tool. Buy Duke Curl Command Texturizer Kit (Pack of 2) at Walmart. To avoid being asked to confirm every single transfer, you might try issuing the sftp command prompt first. CURL command to VBA >I am trying to send a pdf file from my hard drive >to a website that parses the pdf file into and excel file >and will get a back as. The path contains special characters (from Spanish words). curl is a command line tool to transfer data to or from a server, using any of the supported protocols (HTTP, FTP, IMAP, POP3, SCP, SFTP, SMTP, TFTP, TELNET, LDAP or FILE). cURL command 5: Access an FTP server. me Command Line Interface $ curl ifconfig. It uses a alias called commands that I mentioned in a previous post about the bash declare command, which makes it possible to declare subcommands implicitly by way of convention. But before we use it for our purposes, let's take a look at two which would make our lives easier. Being able to transfer data with URL syntax is what makes webhooks work. 0, as that seemed to be where Google wanted to go. cURL for Windows. While the second part of the post will cover implementation of Two Factor Authentication for the same. However, I don't know how it works in python. it is a good way to send data between websites. When it comes to debugging network requests, curl is one of the best tools you can find. Check a website availability with CURL Execute the following command to check whether a web site is up, and what status message the web server is showing: $ […]. curl, on the. If data is provided via -d, a POST will be performed instead, and the Content-Type will be set to application/json. It didn't have the. I want to execute a curl command in python. The main cURL page hints at resolving these issues by installing a bunch of other libs to get around this, but I didn’t understand it: “The version of curl and libcurl here provides libcurl. cURL is a command-line tool for getting or sending files using URL syntax. You can use the curl tool on the command line for getting or sending files from the array, using the URL. It is that list of protocols that helps curl manage to be so flexible, as the command supports: DICT. Following the stream is a great way of staying abreast of the latest commands. While this isn't a bad thing, it does mean that IT professionals need to have a better understanding of how to interact with these APIs. If you are not using the frontend in your setup then you need to add the api component to your configuration. Thanks, Karthik. curl is a command line tool to transfer data to or from a server, using any of the supported protocols (HTTP, FTP, IMAP, POP3, SCP, SFTP, SMTP, TFTP, TELNET, LDAP or FILE). While executing cURL commands, no feedback is received from AEM. PHP CURL POST & GET Examples - Submit Form using PHP CURL by Ravishanker Kusuma in Coding Jan 21st 2014 · 0 Comments In PHP CURL POST tutorial, I have explained how to send HTTP GET / POST requests with PHP CURL library. If you once used Linux and have since moved to Windows, or if you use both Linux and a Windows machine, you likely miss this little tool but there’s no reason to. Passive mode means that curl will try the EPSV command first and then PASV, unless --disable-epsv is used. And every time I resort to the curl manpage and try a few times until I get the right incantation. Linux curl Command Examples.