How to update all packages of Ubuntu via command line?

[Shwick2]

I did some brief searches and could only find how to update the index list and upgrade the packages using apt and the command line.

I want to know how to update the packages so I stay on Ubuntu 10 but have updated software.

For example when I login through the command line I get the message:

75 packages can be updated.
46 updates are security updates.

How to just normally update these packages, without necessarily upgrading?

[howefield]

I'm a little confused, you are asking how to update via the command line but saying you've found the answers ?

If you want to upgrade your packages via command line do

sudo apt-get update

and

sudo apt-get upgrade

[SeijiSensei]

I'm a little confused, you are asking how to update via the command line but saying you've found the answers ?

If you log in to a shell on some Ubuntu versions, the message-of-the-day includes the report the OP cites. The MOTD has been changed quite a bit starting with 10.10, I believe, and doesn't have this information any longer.

[oke]

Another option to update and upgrade your packages via the command line is by using:

sudo aptitude update

and

sudo aptitude safe-upgrade

Some consider aptitude safer to use than apt-get. See http://ubuntuforums.org/showthread.php?t=379804.

[P05TMAN]

Or you can use one command:


sudo apt-get update && sudo apt-get upgrade

[Frogs Hair]

If you are concerned about upgrading Ubuntu to the next version open the update manger and enter settings . Under the updates tab in the section that displays release upgrades , select never . After doing this , when you update using the commands above you won't have to worry about accidentally Upgrading to the next Ubuntu version . Logout and back in as a precaution before using the commands .

[Shwick2]

sudo apt-get update
Update the Package Index: The APT package index is essentially a database of available packages from the repositories defined in the /etc/apt/sources.list file. To update the local package index with the latest changes made in repositories, type the following:
https://help.ubuntu.com/8.04/serverguide/C/apt-get.html
also listed here, https://help.ubuntu.com/community/AptGet/Howto

From what I have read that command does not actually update the packages, it updates the package index.

Is there a command that updates the packages?

[WorMzy]

Is there a command that updates the packages?

The upgrade command.

sudo apt-get upgrade

[Shwick2]

The upgrade command.

sudo apt-get upgrade

Ok, so when the motd told me there were 75 packages to update, I do that with the upgrade command?

Ok understood.

I am worried that the apt-get upgrade command will, assuming the definition of the word upgrade, upgrade my system to Ubuntu 11 and beyond.

I want my system to remain at Ubuntu 10.04LTS.

Am I in danger of upgrading to the next version of Ubuntu if I use the upgrade command?

[Frogs Hair]

You are correct , it is the sudo apt-get upgrade command , that allows installation of new packages . If there are no packages to install or upgrade you will see a message in the terminal indicating that . If there are packages to install you should get a message indicating that , follow by a would you like to continue question .