APTonCD is a GUI tool that can extract the .deb packages that you have manually installed on your machine and selectively copy them to an ISO image that can be burned to a CD or DVD. The tool can then be used, on another machine, to restore those packages. The main use is to create disc-based package collections that can be used to add packages to systems that don’t have an Internet connection, perhaps as part of a mass installation strategy.
Clicking on the create button causes the program to start collating a list of packages that you have added to your system. When the process is complete, it displays a list of packages that can be included or deselected. Optionally, all dependencies for the selected packages are included. You can also add extra packages at this point by manually directing the program to actual .deb files. Once this is complete, click on the burn icon and the program will very quickly create an ISO containing the .deb files. The program can even span a collection files over more than one disc.
Restoring is just as simple. However, it’s important to note that APT on CD doesn’t actually install any software to your system. Instead, it copies the .deb files to the APT cache of your target machine. This way, when you install the packages using your chosen APT tool such as the Synaptic package manager, the system wont attempt to retrieve the packages from the Internet. APTtoCD can load the .deb files from an actual CD that you have burned or from an ISO file located on another medium.
It’s worth noting that actually installing APTtoCD to a target machine is fairly simple as it is included in the collection of .deb files on the CD that you burn. Simply install it as you would any other .deb file.
The APTonCD website
UK based freelance writer Michael Reed writes about technology, retro computing, geek culture and gender politics.
Practical Task Scheduling Deployment
July 20, 2016 12:00 pm CDT
One of the best things about the UNIX environment (aside from being stable and efficient) is the vast array of software tools available to help you do your job. Traditionally, a UNIX tool does only one thing, but does that one thing very well. For example, grep is very easy to use and can search vast amounts of data quickly. The find tool can find a particular file or files based on all kinds of criteria. It's pretty easy to string these tools together to build even more powerful tools, such as a tool that finds all of the .log files in the /home directory and searches each one for a particular entry. This erector-set mentality allows UNIX system administrators to seem to always have the right tool for the job.
Cron traditionally has been considered another such a tool for job scheduling, but is it enough? This webinar considers that very question. The first part builds on a previous Geek Guide, Beyond Cron, and briefly describes how to know when it might be time to consider upgrading your job scheduling infrastructure. The second part presents an actual planning and implementation framework.
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