Updating debian apt

19-Jul-2015 21:52

This can also be interesting when network access is very fast but when the processor of the machine to upgrade is rather slow, since the time saved on the download is more than lost when the computer calculates the new versions of these files (starting with the older versions and applying the downloaded differences).* Fix cve-2013-1776: session id hijacking from another authorized tty (closes: #701839).

The repo structure should be permanent, but if there are any changes they will be pointed out both in the release posts, as well as this article.

The system can sometimes be damaged after the removal or modification of files in a package.

(Closes: #702296) -- Niko Tyni Tue, +0200 ======================================================================== You can perform the upgrade by issuing the command: aptitude full-upgrade as root on cosmos.-- apticron 5.10.1-17squeeze5) 20 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. After this operation, 438 k B of additional disk space will be used. y Luckily, a system restart is required very rarely, after a Debian update.

But, after installing new packages, some running applications may continue using older versions.

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Section 14.7, “Dealing with a Compromised Machine” details the necessary steps to take with a compromised system. With this command, it is possible to go back to an older version of a package (if for instance you know that it works well), provided that it is still available in one of the sources referenced by the To speed up the process APT can download “diff” files containing the changes since the previous update, as opposed to the entire file.

To achieve this, official Debian mirrors distribute different files which list the differences between one version of the file, especially when the last upgrade is very old and when the mechanism of incremental differences would not contribute much.