How to Install and Uninstall ca-certificates Package on Ubuntu 16.04 LTS (Xenial Xerus)

Last updated: November 23,2024

1. Install "ca-certificates" package

This guide let you learn how to install ca-certificates on Ubuntu 16.04 LTS (Xenial Xerus)


    
        
            $
        

        
            
                sudo apt update
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt install
            
                        
                ca-certificates
            
                    
    
    Copied

2. Uninstall "ca-certificates" package

Please follow the step by step instructions below to uninstall ca-certificates on Ubuntu 16.04 LTS (Xenial Xerus):


    
        
            $
        

        
            
                sudo apt remove
            
                        
                ca-certificates
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt autoclean && sudo apt autoremove
            
                    
    
    Copied

3. Information about the ca-certificates package on Ubuntu 16.04 LTS (Xenial Xerus)

Package: ca-certificates
Architecture: all
Version: 20210119~16.04.1
Multi-Arch: foreign
Priority: standard
Section: misc
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Michael Shuler
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 380
Depends: openssl (>= 1.0.0), debconf (>= 0.5) | debconf-2.0
Breaks: ca-certificates-java (<< 20121112+nmu1)
Enhances: openssl
Filename: pool/main/c/ca-certificates/ca-certificates_20210119~16.04.1_all.deb
Size: 147826
MD5sum: 84bd84e88b73df8350d442482cfdb768
SHA1: 3441b08812f020fc39dd9d73493b31932f35dbb6
SHA256: ef06d4e5f695ed35afa32908da53cdf481250a2e1e3bf10939935f84ffd83f46
SHA512: 653d539f2b33e08416e39a0831fe4ecac363030d84a57fed9f5d7cd7206ce4301b094ad1fe3baf8fb565b0da0a1e15a1c8844b72e15c013d4184d0b531a14711
Description-en: Common CA certificates
This package includes PEM files of CA certificates to allow SSL-based
applications to check for the authenticity of SSL connections.
.
It includes, among others, certificate authorities used by the Debian
infrastructure and those shipped with Mozilla's browsers.
.
Please note that Debian can neither confirm nor deny whether the
certificate authorities whose certificates are included in this package
have in any way been audited for trustworthiness or RFC 3647 compliance.
Full responsibility to assess them belongs to the local system
administrator.
Description-md5: 085a1b1af3f2d16012dfc750cd9aedc8
Task: standard, ubuntu-core, ubuntu-core, mythbuntu-frontend, mythbuntu-backend-slave, mythbuntu-backend-master, ubuntu-touch-core, ubuntu-touch, ubuntu-sdk-libs-tools, ubuntu-sdk
Supported: 5y

Package: ca-certificates
Priority: standard
Section: misc
Installed-Size: 485
Maintainer: Ubuntu Developers
Original-Maintainer: Michael Shuler
Architecture: all
Version: 20160104ubuntu1
Depends: openssl (>= 1.0.0), debconf (>= 0.5) | debconf-2.0
Breaks: ca-certificates-java (<< 20121112+nmu1)
Filename: pool/main/c/ca-certificates/ca-certificates_20160104ubuntu1_all.deb
Size: 190566
MD5sum: e1a90cea554ba59a3ba82915871591ef
SHA1: a36c9c7afc1e6f8a3e9dc7a8771e3abaafb342df
SHA256: 92b69361e61cd493e013ece17fabe7e8432ac888413407f967dd557cbfe2d2d6
Description-en: Common CA certificates
This package includes PEM files of CA certificates to allow SSL-based
applications to check for the authenticity of SSL connections.
.
It includes, among others, certificate authorities used by the Debian
infrastructure and those shipped with Mozilla's browsers.
.
Please note that Debian can neither confirm nor deny whether the
certificate authorities whose certificates are included in this package
have in any way been audited for trustworthiness or RFC 3647 compliance.
Full responsibility to assess them belongs to the local system
administrator.
Description-md5: 085a1b1af3f2d16012dfc750cd9aedc8
Enhances: openssl
Multi-Arch: foreign
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 5y
Task: standard, ubuntu-core, ubuntu-core, mythbuntu-frontend, mythbuntu-backend-slave, mythbuntu-backend-master, ubuntu-touch-core, ubuntu-touch, ubuntu-sdk-libs-tools, ubuntu-sdk