The package management system on Ubuntu makes it extremely simple to install and remove packages, but sometimes it’s important to figure out what version of a particular package that you actually have installed.
The apt-get utilities are simply a front-end to the debian dpkg utility, which actually does the real work. You can use this utility to figure out what version is installed.
dpkg -s <packagename>
Here’s...
Sabtu, 11 Juli 2015
How can I check the available version of a package
Posted by Jon on 14.14
apt-get
You can run a simulation to see what would happen if you upgrade/install a package:
apt-get -s install <package>
To see all possible upgrades, run a upgrade in verbose mode and (to be safe) with simulation, press n to cancel:
apt-get -V -s upgrade
apt-cache
The option policy can show the installed and the remote version (install candidate) of a package.
apt-cache...
Jumat, 10 Juli 2015
Become a better programmer
Posted by Jon on 16.29
Programmers nowadays should all know these 3 very important rules:
Don’t use floating points for money
Store date/time in “UTC” timezone
Always use the “UTF8″ character set
Tom Scott brilliantly explains the above 3 topics in videos that roughly last 10 minutes each. He explains them clearly, with depth and in a passionate way. They are listed below. Start the video’s...
Tools for PHP developers in Ubuntu 14.04
Posted by Jon on 16.26
To convert your Ubuntu 14.04 into a powerhouse for software development for PHP, you need to install some developer tools from the rich set of available software packages. I have made a top 10 of my favorite developer tools.
1) Install Eclipse 3.8 as a complete IDE
Altough everybody I know prefers the JetBrains IDE’s, I am still a sucker for free (as in speech) software....
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What Version of a Package Is Installed on Ubuntu