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Set the environment variable MIRROR to your preferred mirror then use the lxc-create command: env MIRROR="mirrors.kernel.org/ubuntu" lxc-create -n foo
The CD repository and software repository are two distinct components (they even have separate Launchpad pages: cdmirrors and archivemirrors). Therefore, mirroring them are two distinct tasks. Further, while the various flavours have different folders on the CD repository, they share a software repository. So you can selectively mirror the images per ...
You can try. Replace the $(lsb_release -sc) command in their instructions with trusty. Follow the rest of the steps. However, note that because library versions change from version to version, the Trusty version might not be installable on Utopic, or might not work correctly.
It's simple under Ubuntu 14.04. Simply do: sudo apt-get install libexcel-writer-xlsx-perl
Most programs/application are normally brought forward. But there are exceptions: A program is not maintained any more, and there are doubt about its security. One example is DenyHost. A program does not compile anymore with newer libraries, and the old libraries have been dropped for lack of maintenance. This is the case of pdfedit, for example. A ...
No you can't be sure. You may always be able to download and backup a specific version of a software to install on further release if its get kicked from the repositories. But I strongly recommend you not to do this. Software updates and upgrades for ubuntu are well tested and should not cause problems. Of course there is no guaranty. If software packages ...
The latest version Sigil 0.8.2 is available only here at the moment: sudo add-apt-repository ppa:i2p.packages/i2p sudo apt-get update sudo apt-get install sigil
Install the package apt-show-versions and run apt-show-versions | grep upgradeable | grep security to get a listing like this: firefox:amd64/trusty-security 33.0+build2-0ubuntu0.14.04.1 upgradeable to 34.0+build2-0ubuntu0.14.04.1 firefox-locale-en:amd64/trusty-security 33.0+build2-0ubuntu0.14.04.1 upgradeable to 34.0+build2-0ubuntu0.14.04.1
To perform only security updates, I may recommend you to use a special tool - unattended-upgrades. Also, you may automate that process with the following wiki page: https://help.ubuntu.com/community/AutomaticSecurityUpdates
From man sources.list: The format for a sources.list entry using the deb and deb-src types is: deb [ options ] uri suite [component1] [component2] [...] ... options is always optional and needs to be surrounded by square brackets. It can consist of multiple settings in the form setting=value. Multiple settings are separated by spaces. The following ...
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