Published on : 2017-04-24 22:00:26

Otherwise, the kernel parameter systemd. d/dpkg with the following lines /var/log/dpkg { missingok notifempty } More details on dpkg(1) manual page. [2] For example: DNS or DHCP services, especially when there is no redundancy or failover. This Perl script, and its (optional) manager program called mirror-master, can be used to fetch user-specified parts of a directory tree from a specified host via anonymous FTP. apt-cacher automatically builds a Debian HTTP mirror based on requests which pass through the proxy. The mirror program is generally useful for updating local copies of remote directory trees. Press q after reading to exit the pager and continue the upgrade. To ease the upgrade path in such cases, jessie often provides “dummy” packages: empty packages that have the same name as the old package in wheezy with dependencies that cause the new packages to be installed. These “dummy” packages are considered redundant after the upgrade and can be safely removed. If you use aptitude to manage packages on your system, you will also want to back up /var/lib/aptitude/pkgstates. org which aims to solve the problem of choosing a Debian mirror. If necessary, it will install some new packages (usually new library versions, or renamed packages), and remove any conflicting obsoleted packages. For this reason it makes sense to ensure that you will be able to recover if your system should fail to reboot or, for remotely managed systems, fail to bring up networking. The upgrade tools and process are quite reliable, but a hardware failure in the middle of an upgrade could result in a severely damaged system. The main things you ll want to back up are the contents of /etc, dpkg --get-selections * (the quotes are important) updating kernel in debian.

You can always revert to the old versions, since they will be saved with a. The typescript will also allow you to review information that has scrolled off-screen. In the DHCP case end-users might be disconnected from the network if the lease time is lower than the time it takes for the upgrade process to complete. Do not put the typescript file in a temporary directory such as /tmp or /var/tmp (files in those directories may be deleted during the upgrade or during any restart). Please note that when you get and install the packages, you ll still have them kept in your /var directory hierarchy. Note: Automatic upgrade of packages is NOT recommended in 9. Note that some dummy packages are not intended to be removed after an upgrade but are, instead, used to keep track of the current available version of a program over time. After you have completed the upgrade, you can stop script by typing -t switch for scriptreplay program to replay the whole session: # scriptreplay ~/upgrade-jessie. The upgrade process itself does not modify anything in the /home directory. Execute: # apt-get dist-upgrade aptitude for the upgrade. One option is to use a special rescue image or a Linux live CD. Edit: Thanks for all the good advice on backporting.  Prepare for downtime on services There might be services that are offered by the system which are associated with packages that will be included in the upgrade. org/debian stable main contrib More details on this can be found in the sources. See the mirror list at Or you can use the redirector service httpredir.

If everything else fails, you might be able to boot via the old sysvinit system.  Prepare a safe environment for the upgrade The distribution upgrade should be done either locally from a textmode virtual console (or a directly connected serial terminal), or remotely via an ssh link. If the apt-listchanges package is installed, it will (in its default configuration) show important information about upgraded packages in a pager updating kernel in debian.
. 1 How can I keep my Debian system current.  Configuration changes During the upgrade, you will be asked questions regarding the configuration or re-configuration of several packages. This requires that sysvinit is still installed and the binary /lib/sysvinit/init is included in your initramfs.  Upgrades from Debian 7 (wheezy)   Table of Contents We suggest that before upgrading you also read the information in Chapter 5, Issues to be aware of for jessie. from testing), you may have to change your APT pinning configuration (stored in /etc/apt/preferences and /etc/apt/preferences. I d like to know when upgrades and removals have occurred and on which packages. To start the recording, type: # script -t 2>~/upgrade-jessie step.  Updating the package list First the list of available packages for the new release needs to be fetched. Then if a problem occurs, you will have a log of what happened, and if needed, can provide exact information in a bug report. aptitude update apt-get dist-upgrade apt-get(8) manual page, as well as APT, Section 8. Any package installation operation must be run with superuser privileges, so either log in as root or use The upgrade has a few preconditions; you should check them before actually executing the upgrade. Before you can use aptitude to make an upgrade, you ll have to edit the /etc/apt/sources.


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updating kernel in debian

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