My terminal journey, part 02. Becoming terminal friendly.

series: Apt Spelunking.

tags: terminal, apt-get, apt-cache, apt-mark, dpkg

Discovering the packages; vertical lists.

apt package manager

First Command: sudo apt list --upgradeable

Command Breakdown:

sudo is root privileges (to become admin for a single command).

apt is the Command Name.

list to display a list of packages satisfying certain criteria.

--upgradeable the criteria

Command Standard Output: (abridged)

Listing...

alsa-ucm-conf/focal-updates,focal-updates 1.2.2-1ubuntu0.7 all [upgradable from: 1.2.2-1ubuntu0.6]

alsa-utils/focal-updates 1.2.2-1ubuntu2.1 amd64 [upgradable from: 1.2.2-1ubuntu2]

bluetooth/focal-updates,focal-updates 5.53-0ubuntu3.1 all [upgradable from: 5.53-0ubuntu3]

gir1.2-webkit2-4.0/focal-updates,focal-security 2.32.0-0ubuntu0.20.04.1 amd64 [upgradable from: 2.30.6-0ubuntu0.20.04.1]

google-chrome-stable/stable 90.0.4430.212-1 amd64 [upgradable from: 90.0.4430.93-1]

iio-sensor-proxy/focal-updates 2.8-1ubuntu1 amd64 [upgradable from: 2.8-1]

qemu-system-x86/focal-updates 1:4.2-3ubuntu6.16 amd64 [upgradable from: 1:4.2-3ubuntu6.15]

qemu-utils/focal-updates 1:4.2-3ubuntu6.16 amd64 [upgradable from: 1:4.2-3ubuntu6.15]

samba-common-bin/focal-updates,focal-security 2:4.11.6+dfsg-0ubuntu1.8 amd64 [upgradable from: 2:4.11.6+dfsg-0ubuntu1.6]

Discovering the packages; horizontal list.

apt-get package manager

Second Command: sudo apt-get -u upgrade --assume-no

Command Breakdown:

sudo is root privileges (to become admin for a single command).

apt-get is the Command Name.

-u or --show-upgraded list of packages that are to be upgraded; must be used with upgrade.

upgrade is used to install the newest versions of all packages currently installed.

--assume-no Automatically answers "No" when the command asks, “Do you want to continue? [Y/n]”. (Do you want to upgrade at this moment? No. You get it).

Note: Linux Mint 20 manpage for apt-get does not include the -u option or description.

-u, --show-upgraded

Show upgraded packages. Print out a list of all packages that are to be upgraded.

Command Standard Output:

Reading package lists...

Building dependency tree...

Reading state information...

Calculating upgrade...

The following packages were automatically installed and are no longer required:

libllvm10 libllvm10:i386 libnvidia-common-450 libnvidia-compute-455:i386

libnvidia-decode-455:i386 libnvidia-encode-455:i386 libnvidia-fbc1-455:i386

libnvidia-gl-455:i386 libnvidia-ifr1-455:i386 nvidia-kernel-common-455

nvidia-kernel-source-455 nvidia-utils-455 xserver-xorg-video-nvidia-455

Use 'sudo apt autoremove' to remove them.

The following packages have been kept back:

libnvidia-common-450 libnvidia-common-460 linux-generic

linux-headers-generic linux-image-generic

The following packages will be upgraded:

alsa-ucm-conf alsa