Verify package using debsums

Verify package using debsums

Verify every installed package

debsums

Verify every installed package (including configuration files).

debsums -a

Verify installed packages and report errors only

debsums -s

Verify every installed package and report changed files only

debsums -c

Verify every installed package (including configuration files) and report changed files only.

debsums -ca

Verify every installed package and report changed configuration files only.

sudo debsums -ce

Verify specific package

debsums -a bash

Create mismatch list

dpkg-query -S $(sudo debsums -c 2>&1 | sed -e "s/.*file \(.*\) (.*/\1/g") | cut -d: -f1 | sort -u

To reinstall them

apt-get install --reinstall <package name>

References

How to verify installed packages

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