X-Git-Url: https://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/c49353b142b0df73d815916df130f0d0f1badea5..b7b8beef9513edbd0880013b9c18ac3b8f8dc90c:/blog/index.rss diff --git a/blog/index.rss b/blog/index.rss index 2a7f923289..b55205d061 100644 --- a/blog/index.rss +++ b/blog/index.rss @@ -6,6 +6,58 @@ http://people.skolelinux.org/pere/blog/ + + Making battery measurements a little easier in Debian + http://people.skolelinux.org/pere/blog/Making_battery_measurements_a_little_easier_in_Debian.html + http://people.skolelinux.org/pere/blog/Making_battery_measurements_a_little_easier_in_Debian.html + Tue, 15 Mar 2016 15:00:00 +0100 + <p>Back in September, I blogged about +<a href="http://people.skolelinux.org/pere/blog/The_life_and_death_of_a_laptop_battery.html">the +system I wrote to collect statistics about my laptop battery</a>, and +how it showed the decay and death of this battery (now replaced). I +created a simple deb package to handle the collection and graphing, +but did not want to upload it to Debian as there were already +<a href="https://tracker.debian.org/pkg/battery-stats">a battery-stats +package in Debian</a> that should do the same thing, and I did not see +a point of uploading a competing package when battery-stats could be +fixed instead. I reported a few bugs about its non-function, and +hoped someone would step in and fix it. But no-one did.</p> + +<p>I got tired of waiting a few days ago, and took matters in my own +hands. The end result is that I am now the new upstream developer of +battery stats (<a href="https://github.com/petterreinholdtsen/battery-stats">available from github</a>) and part of the team maintaining +battery-stats in Debian, and the package in Debian unstable is finally +able to collect battery status using the /sys/class/power_supply/ +information provided by the Linux kernel. If you install the +battery-stats package from unstable now, you will be able to get a +graph of the current battery fill level, to get some idea about the +status of the battery. The source package build and work just fine in +Debian testing and stable (and probably oldstable too, but I have not +tested). The default graph you get for that system look like this:</p> + +<p align="center"><img src="http://people.skolelinux.org/pere/blog/images/2016-03-15-battery-stats-graph-example.png" width="70%" align="center"></p> + +<p>My plans for the future is to merge my old scripts into the +battery-stats package, as my old scripts collected a lot more details +about the battery. The scripts are merged into the upstream +battery-stats git repository already, but I am not convinced they work +yet, as I changed a lot of paths along the way. Will have to test a +bit more before I make a new release.</p> + +<p>I will also consider changing the file format slightly, as I +suspect the way I combine several values into one field might make it +impossible to know the type of the value when using it for processing +and graphing.</p> + +<p>If you would like I would like to keep an close eye on your laptop +battery, check out the battery-stats package in +<a href="https://tracker.debian.org/pkg/battery-stats">Debian</a> and +on +<a href="https://github.com/petterreinholdtsen/battery-stats">github</a>. +I would love some help to improve the system further.</p> + + + Creating, updating and checking debian/copyright semi-automatically http://people.skolelinux.org/pere/blog/Creating__updating_and_checking_debian_copyright_semi_automatically.html @@ -722,42 +774,5 @@ supporter too?</p> - - PGP key transition statement for key EE4E02F9 - http://people.skolelinux.org/pere/blog/PGP_key_transition_statement_for_key_EE4E02F9.html - http://people.skolelinux.org/pere/blog/PGP_key_transition_statement_for_key_EE4E02F9.html - Tue, 17 Nov 2015 10:50:00 +0100 - <p>I've needed a new OpenPGP key for a while, but have not had time to -set it up properly. I wanted to generate it offline and have it -available on <a href="http://shop.kernelconcepts.de/#openpgp">a OpenPGP -smart card</a> for daily use, and learning how to do it and finding -time to sit down with an offline machine almost took forever. But -finally I've been able to complete the process, and have now moved -from my old GPG key to a new GPG key. See -<a href="http://people.skolelinux.org/pere/blog/images/2015-11-17-new-gpg-key-transition.txt">the -full transition statement, signed with both my old and new key</a> for -the details. This is my new key:</p> - -<pre> -pub 3936R/<a href="http://pgp.cs.uu.nl/stats/111D6B29EE4E02F9.html">111D6B29EE4E02F9</a> 2015-11-03 [expires: 2019-11-14] - Key fingerprint = 3AC7 B2E3 ACA5 DF87 78F1 D827 111D 6B29 EE4E 02F9 -uid Petter Reinholdtsen &lt;pere@hungry.com&gt; -uid Petter Reinholdtsen &lt;pere@debian.org&gt; -sub 4096R/87BAFB0E 2015-11-03 [expires: 2019-11-02] -sub 4096R/F91E6DE9 2015-11-03 [expires: 2019-11-02] -sub 4096R/A0439BAB 2015-11-03 [expires: 2019-11-02] -</pre> - -<p>The key can be downloaded from the OpenPGP key servers, signed by -my old key.</p> - -<p>If you signed my old key -(<a href="http://pgp.cs.uu.nl/stats/DB4CCC4B2A30D729.html">DB4CCC4B2A30D729</a>), -I'd very much appreciate a signature on my new key, details and -instructions in the transition statement. I m happy to reciprocate if -you have a similarly signed transition statement to present.</p> - - -