X-Git-Url: https://git.grml.org/?a=blobdiff_plain;f=grml_tips;h=52bb33d35cd81da4c889b81e95baac29505d6c85;hb=15dedda9f65597d7cdf338aff45889600bec2f81;hp=df23ee844a447b48186acf32c1ec066d701d45bd;hpb=cc3193940c320358f05813b8cdf93512b568072f;p=grml-tips.git

diff --git a/grml_tips b/grml_tips
index df23ee8..52bb33d 100644
--- a/grml_tips
+++ b/grml_tips
@@ -43,12 +43,6 @@ Configure network:
 
 # grml-network
 -- 
-Boot grml via network:
-
-# grml-terminalserver
-
-See: man grml-terminalserver + http://grml.org/terminalserver/
--- 
 Deactivate error correction of zsh:
 
 % NOCOR=1 zsh
@@ -663,7 +657,9 @@ to get a list of all supported trees
 -- 
 Transfer your SSH public key to another host:
 
-% ssh-copy-id -i ~/.ssh/id_dsa.pub user@remote-system
+% ssh-keygen   # if you don't have a key yet
+[...]
+% ssh-copy-id -i ~/.ssh/id_rsa.pub user@remote-system
 or
 % cat $HOME/.ssh/id_rsa.pub  | ssh user@remote-system 'cat >> .ssh/authorized_keys'
 -- 
@@ -2650,6 +2646,8 @@ and where grml is running:
 
 Then booting your client(s) via PXE should work without
 any further work.
+
+See: man grml-terminalserver + http://grml.org/terminalserver/
 -- 
 Debugging SSL communications:
 
@@ -2836,3 +2834,36 @@ Record sound:
 
 This will record a AIFF audio file.
 -- 
+Change passphrase / password of an existing SSH key:
+
+% ssh-keygen -p
+-- 
+Enable syntax highlighting in nano:
+
+Just uncomment the include directives for your respective
+language at the bottom of the file /etc/nanorc
+-- 
+Create netboot package for grml-terminalserver:
+
+# sh /usr/share/doc/grml-terminalserver/examples/create-netboot
+-- 
+Rotate pictures:
+
+Using the 'Orientation' tag of the Exif header, rotate
+the image so that it is upright:
+% jhead -autorot *.jpg
+
+Manually rotate a picture:
+% convert -rotate 270 input.jpg output.jpg
+-- 
+Rename files based on the information inside their exif header:
+
+% jhead -n%Y-%m-%d_%Hh%M_%f *.jpg
+
+This will rename a file named img_2071.jpg to something like:
+
+2007-08-17_10h38_img_2071.jpg
+
+if it was shot at 10:38 o'clock on 2007-08-17 (according to
+the information inside the exif header).
+--