get rid of categories and add more tags

Signed-off-by: Harald Hoyer <harald@hoyer.xyz>

content/2013/11/04/dracut-kernel-command-line.md

@@ -1,6 +1,8 @@
 +++
 title = "dracut - kernel command line"
 date = 2013-11-04T18:36:27+00:00
+[taxonomies]
+tags = ["dracut", "fedora", "programming"]
 +++
 To quickly find out, what dracut wants as the kernel command for your current disk setup,
 fire up:
@@ -15,4 +17,4 @@ root=UUID=8b8b6f91-95c7-4da2-831b-171e12179081
 rootflags=rw,relatime,discard,data=ordered
 rootfstype=ext4
 ```
-This works for version 032 and newer.
+This works for version 032 and newer.

content/2013/11/07/redirecting-apache-access_log-and-error_log-to-the-systemd-journal.md

@@ -1,6 +1,8 @@
 +++
 title = "Redirecting apache access_log and error_log to the systemd journal"
 date = 2013-11-07T10:03:38+00:00
+[taxonomies]
+tags = ["apache", "fedora", "systemd", "journal", "httpd"]
 +++
 To redirect all apache messages to syslog, which will then appear in the systemd 
 journal modify your httpd.conf: 

content/2013/11/13/fedora-boot-optimization.md

@@ -1,6 +1,8 @@
 +++
 title = "Fedora Boot Optimization"
 date = 2013-11-13T10:12:04+00:00
+[taxonomies]
+tags = ["linux", "fedora"]
 +++
 
 This article shows how to reduce boot time for Fedora 17, but the recipe can also be applied to 18, 19 and 20.

content/2013/11/13/linux-howto-get-the-number-of-cpus.md

@@ -1,6 +1,8 @@
 +++
 title = "Linux: HOWTO get the number of CPUs"
 date = 2013-11-13T12:13:04+00:00
+[taxonomies]
+tags = ["linux", "fedora"]
 +++
 ```console
 $ getconf _NPROCESSORS_ONLN