Software: Deb-pacman, Kiwi TCMS and Curl
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Deb-pacman : A Pacman-style Frontend For APT Package Manager
Apt, Advanced Packaging Tool, is a powerful command line tool used to install, update, upgrade and remove packages in Debian and its derivatives like Ubuntu. There are several frontends available for Apt, such as Aptitude, Synaptic and Ubuntu software center to name a few. Today I am going to introduce yet another frontend for APT package manager called Deb-pacman.
Deb-pacman is a Bash script that emulates the functionality of Pacman (the package manager for Arch Linux and its variants). Using Deb-pacman, you can use the pacman commands, as the way you use them under Arch Linux to install, update, upgrade and remove packages, in a Debian-based system. You can simply invoke “pacman” instead of “apt” command in your Ubuntu system. Deb-pacman simply emulates the Archlinux’s Pacman package manager feel for Debian users who may prefer the style of Pacman over Apt. This can be helpful for those who get used to pacman.
As you know already Apt itself was originally designed as a front-end for dpkg, which was developed by Ian Murdock (founder of Debian project) for Debian OS to install, remove and provide information about .deb packages. So technically speaking Deb-pacman is a front end for APT which is a frontend for Dpkg. In other words, it is just a wrapper.
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Kiwi TCMS 7.2
We're happy to announce Kiwi TCMS version 7.2! This is an improvement & bug fix release which includes new database migrations and API methods, internal refactoring and updated translations. You can explore everything at https://public.tenant.kiwitcms.org!
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Daniel Stenberg: This is your wake up curl
One of the core functionalities in libcurl is the ability to do multiple parallel transfers in the same thread. You then create and add a number of transfers to a multi handle. Anyway, I won’t explain the entire API here but the gist of where I’m going with this is that you’ll most likely sooner or later end up calling the curl_multi_poll() function which asks libcurl to wait for activity on any of the involved transfers – or sleep and don’t return for the next N milliseconds.
Calling this waiting function (or using the older curl_multi_wait() or even doing a select() or poll() call “manually”) is crucial for a well-behaving program. It is important to let the code go to sleep like this when there’s nothing to do and have the system wake up it up again when it needs to do work. Failing to do this correctly, risk having libcurl instead busy-loop somewhere and that can make your application use 100% CPU during periods. That’s terribly unnecessary and bad for multiple reasons.
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