zeke@Debian-10:~/Downloads$ sudo dpkg -i ./veeam-release* && apt-get update

[sudo] password for zeke: 

Selecting previously unselected package veeam-release-deb.

(Reading database ... 134594 files and directories currently installed.)

Preparing to unpack .../veeam-release-deb_1.0.8_amd64.deb ...

Unpacking veeam-release-deb (1.0.8) ...

Setting up veeam-release-deb (1.0.8) ...

Reading package lists... Done

E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)

E: Unable to lock directory /var/lib/apt/lists/

W: Problem unlinking the file /var/cache/apt/pkgcache.bin - RemoveCaches (13: Permission denied)

W: Problem unlinking the file /var/cache/apt/srcpkgcache.bin - RemoveCaches (13: Permission denied)

zeke@Debian-10:~/Downloads$