Debian updating packages
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An update must be performed first so that apt-get knows that new versions of packages are available. Done Building dependency tree Reading state information...Done Skipping **ack**, it is not installed and only upgrades are requested.
The chances for a successful and fully functional upgrade are decreased by a number of 3rd-party packages installed on your current system.
However, the server administrator needs to know when upgrades are available, which of them are security updates, how urgent is an upgrade, and if system reboot is required after system update. This how-to is also applicable to Ubuntu (or other Debian based Linux distributions). Our recommendation is apticron report [Sun, 0200] ======================================================================== apticron has detected that some packages need upgrading on: cosmos.[ 127.0.0.1 95.2 95.2 ] The following packages are currently pending an upgrade: perl 5.10.1-17squeeze6 perl-base 5.10.1-17squeeze6 perl-modules 5.10.1-17squeeze6 sudo 1.7.4p4-2.squeeze.4 ======================================================================== Package Details: Reading changelogs...
--- Changes for sudo --- sudo (1.7.4p4-2.squeeze.4) stable-security; urgency=high * Fix cve-2013-1775: authentication bypass when the clock is set to the UNIX epoch [ UTC on 1 January 1970] (closes: #701838).
From this reason, remove any obsolete standard repository and 3rd-party software before you attempt the upgrade.
The command which might be helpful here is: The above command will list all packages which are no longer in a standard repository list since they were removed; thus they were rendered obsolete, or the packages were installed manually.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. You should find the version number you want to upgrade to, and then copy the whole string that references it.
For example, the string for PHP 5.5 on Ubuntu is "5.5.16 dfsg-1 org~precise 2".
(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.
To update software in Raspbian, you'll need to use the apt tool in a terminal window.
Open the terminal from the taskbar or application menu: First, update your system's package list by entering the following command: Generally speaking, doing this regularly will keep your installation up to date, in that it will be equivalent to the latest released image available from raspberrypi.org/downloads.
$ apt-get upgrade openssl The following packages will be upgraded: dpkg dpkg-dev krb5-locales libapache2-mod-php5 libdpkg-perl libfreetype6 libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libgssapi-krb5-2 libk5crypto3 libkrb5-3 libkrb5support0 libpng12-0 libssl1.0.0 linux-headers-3.2.0-4-amd64 linux-headers-3.2.0-4-common linux-image-3.2.0-4-amd64 linux-libc-dev ntp php5 php5-cli php5-common php5- curl php5-readline tzdata unzip virtualbox virtualbox-dkms virtualbox-qt...many The following packages have been kept back: acpid anacron apt-xapian-index aptitude aptitude-common aspell-de at at- spi2-core avahi-daemon base-passwd bind9-host binfmt-support bsdutils consolekit cron cryptsetup-bin db5.1-util dbus default-jre default- jre-headless dictionaries-common dmsetup dnsmasq-base dnsutils dovecot-core dovecot-imapd dovecot-pop3d duplicity fakeroot gdebi- core gettext gir1.2-accountsservice-1.0 gir1.2-atspi-2.0 gir1.2-folks-0.6 gir1.2-gck-1 gir1 ...many If you're running Debian 8 you should really upgrade all those other packages too; the stable distribution has very strict conditions for updates, so if a package upgrade is available there's generally a very good reason for it. Done Building dependency tree Reading state information... 0 upgraded, 0 newly installed, 0 to remove and 32 not upgraded.problem is that, it's too many dependency of openssl like kernel, php, mysql, ever virtual box, many libs and it's effect to many existing applications.