How to install a pacjage I compiled

[stan]

On Sun, Apr 05, 2020 at 08:28:30PM +0200, Ralf Mardorf via ubuntu-users wrote:
> On Sun, 5 Apr 2020 19:21:50 +0100, Colin Watson wrote:
> >On Sun, Apr 05, 2020 at 01:22:59PM -0400, stan wrote:
> >> apt-get install --reinstall openssl_1.1.1d-0+deb10u2_amd64.deb
> >> 
> >> I get:
> >> 
> >> Building dependency tree       
> >> Reading state information... Done
> >> E: Unable to locate package openssl_1.1.1d-0+deb10u2_amd64.deb
> >> E: Couldn't find any package by glob
> >> 'openssl_1.1.1d-0+deb10u2_amd64.deb' E: Couldn't find any package by
> >> regex 'openssl_1.1.1d-0+deb10u2_amd64.deb'
> >> 
> >> I had been trying to install it with dpkg as I thought that was the
> >> right way to do it for a local package, whereas I thought at-get
> >> wanted to download from the repositories.  
> >
> >apt was taught how to deal with local packages some years back, and
> >it's often useful to use it for that in order to take advantage of its
> >dependency handling (consider the case where you're installing a local
> >packages not all of whose dependencies are satisfied; dpkg would fail,
> >while apt knows how to acquire the dependencies as well).
> >
> >However, you need to prefix "./" to the file name in order to clue apt
> >into the fact that it's meant to be a local file name and not the name
> >of a package.
> 
> When installing from the repositories, after updating the database, run
> 
> sudo apt-get install --reinstall openssl
> 
> do not run
> 
> sudo apt-get install --reinstall openssl_1.1.1d-0+deb10u2_amd64.deb
> 
> Btw. please copy and paste from the terminal!
> 

Am I confused, or did we lose track of what I am trying to do?

I am trying to get a package I compiled with changes installed:

root at openssl-test:~/src# apt-get install --reinstall
./openssl_1.1.1d-0+deb10u2_amd64.deb
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Note, selecting 'openssl' instead of './openssl_1.1.1d-0+deb10u2_amd64.deb'
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 2 not
upgraded.
Need to get 843 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://deb.debian.org/debian buster/main amd64 openssl amd64
1.1.1d-0+deb10u2 [843 kB]
Fetched 843 kB in 0s (2,332 kB/s)
(Reading database ... 63608 files and directories currently installed.)
Preparing to unpack .../openssl_1.1.1d-0+deb10u2_amd64.deb ...
Unpacking openssl (1.1.1d-0+deb10u2) over (1.1.1d-0+deb10u2) ...
Setting up openssl (1.1.1d-0+deb10u2) ...
Processing triggers for man-db (2.8.5-2) ...
root at openssl-test:~/src# ls -l /usr/bin/openssl
-rwxr-xr-x 1 root root 736776 Oct 12 15:56 /usr/bin/openssl

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