How To Install libcurl4 on Ubuntu 20.04

In this tutorial we learn how to install libcurl4 on Ubuntu 20.04. libcurl4 is easy-to-use client-side URL transfer library (OpenSSL flavour) easy-to-use client-side URL transfer library (OpenSSL flavour)

Introduction

In this tutorial we learn how to install libcurl4 on Ubuntu 20.04.

What is libcurl4

libcurl4 is:

libcurl is an easy-to-use client-side URL transfer library, supporting DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET and TFTP.

libcurl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, Kerberos), file transfer resume, http proxy tunneling and more!

libcurl is free, thread-safe, IPv6 compatible, feature rich, well supported, fast, thoroughly documented and is already used by many known, big and successful companies and numerous applications.

SSL support is provided by OpenSSL. Task: server, lamp-server, ubuntu-desktop, cloud-image, kubuntu-desktop, kubuntu-full, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: libcurl4 Architecture: amd64 Version: 7.68.0-1ubuntu2 Multi-Arch: same Priority: optional Section: libs Source: curl Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Alessandro Ghedini [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 688 Depends: libbrotli1 (>= 0.6.0), libc6 (>= 2.17), libgssapi-krb5-2 (>= 1.17), libidn2-0 (>= 0.6), libldap-2.4-2 (>= 2.4.7), libnghttp2-14 (>= 1.12.0), libpsl5 (>= 0.16.0), librtmp1 (>= 2.4+20131018.git79459a2-3~), libssh-4 (>= 0.8.0), libssl1.1 (>= 1.1.1), zlib1g (>= 1:1.1.4) Recommends: ca-certificates Conflicts: libcurl3 Replaces: libcurl3 Filename: pool/main/c/curl/libcurl4_7.68.0-1ubuntu2_amd64.deb Size: 233000 MD5sum: 5b35fe7cc452190007615a19c190e4aa SHA1: 7f561a4246d94985075b166b37b7f55ae3ebd962 SHA256: b5b5368dd97e8d24963a126866d7e796dba00ed8771d5d39efbeebd475fe9e23 Homepage: http://curl.haxx.se Description-en: easy-to-use client-side URL transfer library (OpenSSL flavour) libcurl is an easy-to-use client-side URL transfer library, supporting DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET and TFTP.

libcurl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, Kerberos), file transfer resume, http proxy tunneling and more!

libcurl is free, thread-safe, IPv6 compatible, feature rich, well supported, fast, thoroughly documented and is already used by many known, big and successful companies and numerous applications.

SSL support is provided by OpenSSL. Task: server, lamp-server, ubuntu-desktop, cloud-image, kubuntu-desktop, kubuntu-full, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-desktop, ubuntu-budgie-desktop

There are three methods to install libcurl4 on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libcurl4 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libcurl4 using apt-get by running the following command:

sudo apt-get -y install libcurl4

Install libcurl4 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libcurl4 using apt by running the following command:

sudo apt -y install libcurl4

Install libcurl4 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libcurl4 using aptitude by running the following command:

sudo aptitude -y install libcurl4

How To Uninstall libcurl4 on Ubuntu 20.04

To uninstall only the libcurl4 package we can use the following command:

sudo apt-get remove libcurl4

Uninstall libcurl4 And Its Dependencies

To uninstall libcurl4 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libcurl4

Remove libcurl4 Configurations and Data

To remove libcurl4 configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libcurl4

Remove libcurl4 configuration, data, and all of its dependencies

We can use the following command to remove libcurl4 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libcurl4

References

Summary

In this tutorial we learn how to install libcurl4 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.