On Debian, we're going to use apt, which is the newest and, in my opinion, friendliest tool.

Unlike YUM, we can easily and independently update the list of available packages:

$ sudo apt updateIgn:1 stretch InReleaseHit:2 stretch ReleaseHit:4 stretch/updates InReleaseReading package lists... DoneBuilding dependency tree Reading state information... Done15 packages can be upgraded. Run 'apt list --upgradable' to see them.

Note that it only updates its list, not the programs themselves.

Now, we can look for specific information by using the suggested command:

$ apt list --upgradable linux-image*Listing... Donelinux-image-4.9.0-7-amd64/stable ...

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