How To Install libcurl4 on Ubuntu 20.04
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
.