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This question already has an answer here:

I updated my server from 16.04 to 18.04 a few days ago, today I found this:

19 packages can be updated.
18 updates are security updates.

I did:

sudo apt-get update
sudo apt-get upgrade

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  libapache2-mod-php7.2 php7.2-bcmath php7.2-bz2 php7.2-cgi php7.2-cli php7.2-common php7.2-fpm php7.2-gd php7.2-intl php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-readline php7.2-xml php7.2-xmlrpc php7.2-zip
The following packages will be upgraded:
  php7.2 snap-confine snapd ubuntu-core-launcher
4 upgraded, 0 newly installed, 0 to remove and 17 not upgraded.
Need to get 12.2 MB of archives.
After this operation, 21.5 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 ubuntu-core-launcher amd64 2.32.8+18.04 [1,644 B]
Get:2 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 snapd amd64 2.32.8+18.04 [12.2 MB]
Get:3 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 snap-confine amd64 2.32.8+18.04 [1,792 B]
Get:4 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 php7.2 all 7.2.5-0ubuntu0.18.04.1 [9,240 B]
Fetched 12.2 MB in 2s (6,527 kB/s)
(Reading database ... 81195 files and directories currently installed.)
Preparing to unpack .../ubuntu-core-launcher_2.32.8+18.04_amd64.deb ...
Unpacking ubuntu-core-launcher (2.32.8+18.04) over (2.32.5+18.04) ...
Preparing to unpack .../snapd_2.32.8+18.04_amd64.deb ...
Unpacking snapd (2.32.8+18.04) over (2.32.5+18.04) ...
Preparing to unpack .../snap-confine_2.32.8+18.04_amd64.deb ...
Unpacking snap-confine (2.32.8+18.04) over (2.32.5+18.04) ...
Preparing to unpack .../php7.2_7.2.5-0ubuntu0.18.04.1_all.deb ...
Unpacking php7.2 (7.2.5-0ubuntu0.18.04.1) over (7.2.4-1+ubuntu16.04.1+deb.sury.org+1) ...
Setting up snapd (2.32.8+18.04) ...
Created symlink /etc/systemd/system/multi-user.target.wants/snapd.seeded.service → /lib/systemd/system/snapd.seeded.service.
Created symlink /etc/systemd/system/cloud-final.service.wants/snapd.seeded.service → /lib/systemd/system/snapd.seeded.service.
snapd.snap-repair.service is a disabled or a static unit, not starting it.
Setting up php7.2 (7.2.5-0ubuntu0.18.04.1) ...
Processing triggers for man-db (2.8.3-2) ...
Setting up ubuntu-core-launcher (2.32.8+18.04) ...
Setting up snap-confine (2.32.8+18.04) ...

Now:

18 packages can be updated.
17 updates are security updates.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  libapache2-mod-php7.2 php7.2-bcmath php7.2-bz2 php7.2-cgi php7.2-cli php7.2-common php7.2-fpm php7.2-gd php7.2-intl php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-readline php7.2-xml php7.2-xmlrpc php7.2-zip
0 upgraded, 0 newly installed, 0 to remove and 17 not upgraded.

How is that possible? What did I miss? Is a web server updated a few days ago, the update is about PHP which is very important for a web server. What can I do? What should I do? Will they update later along with other updates? Is this behavior normal after a few days from the version update? My server is in Vultr, maybe something is missing in Vultr?

marked as duplicate by pomsky, Organic Marble, Fabby, karel, muru May 16 '18 at 5:59

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • Duplicate of what? About that on StackOverflow? You told me that the post was on the wrong place, I deleted it from StackOverflow and rewritten on askubuntu. It's no good? – alebal May 16 '18 at 19:56
0

My first question is, have you rebooted the system to ensure any previous updates (that require OS to be logged out) have been applied?

Second, have you tried this command?

sudo apt-get dist-upgrade -y

In my experience, all updates will apply to a newly built system over a day or 2 but you can try to force it.

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