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[homepage.git] / blog / archive / 2015 / 09 / 09.rss

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index 4d3f6ab26eb122cbbbf61ef35b9514f9a3e68434..8f2a9909b086ba7ba5c3458050b5f5cc75638627 100644 (file)
--- a/blog/archive/2015/09/09.rss
+++ b/blog/archive/2015/09/09.rss
@@ -3,13 +3,13 @@
        <channel>
                <title>Petter Reinholdtsen - Entries from September 2015</title>
                <description>Entries from September 2015</description>
-                <link>http://people.skolelinux.org/pere/blog/</link>
+                <link>https://people.skolelinux.org/pere/blog/</link>
 
        
        <item>
                <title>The life and death of a laptop battery</title>
-               <link>http://people.skolelinux.org/pere/blog/The_life_and_death_of_a_laptop_battery.html</link>        
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_life_and_death_of_a_laptop_battery.html</guid>
+               <link>https://people.skolelinux.org/pere/blog/The_life_and_death_of_a_laptop_battery.html</link>        
+               <guid isPermaLink="true">https://people.skolelinux.org/pere/blog/The_life_and_death_of_a_laptop_battery.html</guid>
                 <pubDate>Thu, 24 Sep 2015 16:00:00 +0200</pubDate>
                <description>&lt;p&gt;When I get a new laptop, the battery life time at the start is OK.
 But this do not last.  The last few laptops gave me a feeling that
@@ -19,7 +19,7 @@ all the time.  Because of this, when I got a new Thinkpad X230 laptop
 about two years ago, I decided to monitor its battery state to have
 more hard facts when the battery started to fail.&lt;/p&gt;
 
-&lt;img src=&quot;http://people.skolelinux.org/pere/blog/images/2015-09-24-laptop-battery-graph.png&quot;/&gt;
+&lt;img src=&quot;https://people.skolelinux.org/pere/blog/images/2015-09-24-laptop-battery-graph.png&quot;/&gt;
 
 &lt;p&gt;First I tried to find a sensible Debian package to record the
 battery status, assuming that this must be a problem already handled
@@ -39,8 +39,8 @@ available in Debian.&lt;/p&gt;
 battery stats ever since. Now my
 /var/log/hjemmenett-battery-status.log file contain around 115,000
 measurements, from the time the battery was working great until now,
-when it is unable to charge above 7% of original capasity.  My
-colletor shell script is quite simple and look like this:&lt;/p&gt;
+when it is unable to charge above 7% of original capacity.  My
+collector shell script is quite simple and look like this:&lt;/p&gt;
 
 &lt;pre&gt;
 #!/bin/sh
@@ -65,7 +65,7 @@ fi
 
 log_battery() {
     # Print complete message in one echo call, to avoid race condition
-    # when several log processes run in parallell.
+    # when several log processes run in parallel.
     msg=$(printf &quot;%s,&quot; $(date +%s); \
        for f in $files; do \
            printf &quot;%s,&quot; $(cat $f); \
@@ -100,7 +100,7 @@ timestamp,manufacturer,model_name,technology,serial_number,energy_full,energy_fu
 &lt;/pre&gt;
 
 &lt;p&gt;I wrote a small script to create a graph of the charge development
-over time.  This graph depicted above show the slow death of mylaptop
+over time.  This graph depicted above show the slow death of my laptop
 battery.&lt;/p&gt;
 
 &lt;p&gt;But why is this happening?  Why are my laptop batteries always
@@ -134,13 +134,21 @@ speed change over time, or if this stay the same.  I did not yet try
 to write a tool to calculate the derivative values of the battery
 level, but suspect some interesting insights might be learned from
 those.&lt;/p&gt;
+
+&lt;p&gt;Update 2015-09-24: I got a tip to install the packages
+acpi-call-dkms and tlp (unfortunately missing in Debian stable)
+packages instead of the tp-smapi-dkms package I had tried to use
+initially, and use &#39;tlp setcharge 40 80&#39; to change when charging start
+and stop.  I&#39;ve done so now, but expect my existing battery is toast
+and need to be replaced.  The proposal is unfortunately Thinkpad
+specific.&lt;/p&gt;
 </description>
        </item>
        
        <item>
                <title>Book cover for the Free Culture book finally done</title>
-               <link>http://people.skolelinux.org/pere/blog/Book_cover_for_the_Free_Culture_book_finally_done.html</link>        
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Book_cover_for_the_Free_Culture_book_finally_done.html</guid>
+               <link>https://people.skolelinux.org/pere/blog/Book_cover_for_the_Free_Culture_book_finally_done.html</link>        
+               <guid isPermaLink="true">https://people.skolelinux.org/pere/blog/Book_cover_for_the_Free_Culture_book_finally_done.html</guid>
                 <pubDate>Thu, 3 Sep 2015 21:00:00 +0200</pubDate>
                <description>&lt;p&gt;Creating a good looking book cover proved harder than I expected.
 I wanted to create a cover looking similar to the original cover of
@@ -171,7 +179,7 @@ stripes with the embossed copyright sign in the center.&lt;/p&gt;
 on the cover I was drawing.  I am happy with the end result, and the
 current english version look like this:&lt;/p&gt;
 
-&lt;img src=&quot;http://people.skolelinux.org/pere/blog/images/2015-09-03-free-culture-cover.png&quot; width=&quot;70%&quot; align=&quot;center&quot;/&gt;
+&lt;img src=&quot;https://people.skolelinux.org/pere/blog/images/2015-09-03-free-culture-cover.png&quot; width=&quot;70%&quot; align=&quot;center&quot;/&gt;
 
 &lt;p&gt;I am not quite sure about the text on the back, but guess it will
 do.  I picked three quotes from the official site for the book, and