(base) user@desk:~$ sudo gdebi Downloads/cis-hardening.deb
[sudo] password for user:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Reading state information... Done
Suite of configurable scripts to audit or harden a Debian.
Modular Debian security hardening scripts based on cisecurity.org
⟨cisecurity.org⟩ recommendations. We use it at OVH ⟨https://www.ovh.com⟩ to
harden our PCI-DSS infrastructure.
Do you want to install the software package? [y/N]:Y
/usr/bin/gdebi:113: FutureWarning: Possible nested set at position 1
c = findall("[[(](\S+)/\S+[])]", msg)[0].lower()
dpkg-deb: error: archive 'Downloads/cis-hardening.deb' uses unknown compression for member 'control.tar.zst', giving up
dpkg: error processing archive Downloads/cis-hardening.deb (--install):
dpkg-deb --control subprocess returned error exit status 2
Errors were encountered while processing:
Downloads/cis-hardening.deb
(base) user@desk:~$ sudo dpkg -i Downloads/cis-hardening.deb
dpkg-deb: error: archive 'Downloads/cis-hardening.deb' uses unknown compression for member 'control.tar.zst', giving up
dpkg: error processing archive Downloads/cis-hardening.deb (--install):
dpkg-deb --control subprocess returned error exit status 2
Errors were encountered while processing:
Downloads/cis-hardening.deb
https://unix.stackexchange.com/questions/669004/zst-compression-not-supported-by-apt-dpkg