How to Install and Uninstall postgresql-13-pg-checksums Package on Ubuntu 21.10 (Impish Indri)

Last updated: May 15,2024

1. Install "postgresql-13-pg-checksums" package

This guide covers the steps necessary to install postgresql-13-pg-checksums on Ubuntu 21.10 (Impish Indri)


    
        
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                sudo apt update
            
                    
    
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                sudo apt install
            
                        
                postgresql-13-pg-checksums
            
                    
    
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2. Uninstall "postgresql-13-pg-checksums" package

This guide let you learn how to uninstall postgresql-13-pg-checksums on Ubuntu 21.10 (Impish Indri):


    
        
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                sudo apt remove
            
                        
                postgresql-13-pg-checksums
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the postgresql-13-pg-checksums package on Ubuntu 21.10 (Impish Indri)

Package: postgresql-13-pg-checksums
Architecture: amd64
Version: 1.0-6
Priority: optional
Section: universe/database
Source: pg-checksums
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Debian PostgreSQL Maintainers
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 88
Depends: libc6 (>= 2.17), postgresql-13
Recommends: pg-checksums-doc
Filename: pool/universe/p/pg-checksums/postgresql-13-pg-checksums_1.0-6_amd64.deb
Size: 34248
MD5sum: 3c4b8917b5d5294b26ada62d48127148
SHA1: 83c08a8d5d6d2fe0941fc9816bbf240ccbfd311a
SHA256: 080647e0afc49e9bf5a1494a48728a190bbd0c032f3ff277243209fca394c609
SHA512: 6741341831f180000a26cbc01d873a384176486eb433457c2418f225509c773289e570bd5a8d1013f9d156e9ebb1ec14759c3addb8da6e894de99a50c163e518
Homepage: https://github.com/credativ/pg_checksums
Description-en: Activate/deactivate/verify PostgreSQL data checksums
Data checksums allow the PostgreSQL database server to identify I/O failures
when reading data from storage. The checksums stored in the page header of
each data page are compared to the computed checksum of the read data.
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Data checksums need to be activated at instance creation time, all current
versions of PostgreSQL including v11 do not allow activating (or deactivating)
checksums afterwards.
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pg_checksums can activate or deactivate data checksums as long at the database
cluster is shutdown cleanly. Activating checksums requires all database blocks
to be read and all page headers to be updated, so can take a long time on a
large database. Deactivating checksums only requires the cluster control file
to be updated so is quick.
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In addition, pg_checksums can verify the checksums in an offline cluster.
Description-md5: 6967ceb77968b6c73d7b14ce05839ada