Differences

This shows you the differences between two versions of the page.

--- linux:tips [2010/05/31 18:06]
a
+++ linux:tips [2015/05/08 12:09] (current)
zagi
@@ Line 118: / Line 118: @@
 This will cleanly unmount drives, terminate processes and nicely reboot your machine.
+<note important>**If you suspect memory corruption killed your kernel, be careful with Sync option. It may flush corrupted disk buffers over your filesystem and cause more headache after reboot.**</note>
 **also for more detailed info see:** [[http://en.wikipedia.org/wiki/Magic_SysRq_key]]
@@ Line 358: / Line 360: @@
 If you have a reliable server with a good RAID card and power supply, you could set the dirty_ratio to 100 and the dirty_background_ratio to 1. This was recommended by a buddy of mine who runs quite a few servers running virtual machines.
+===== convert files from ISO to UTF-8 ====
+<code>
+for x in `find . -name '*.htm'` ; do iconv -f ISO-8859-2 -t UTF-8 $x > "$x.utf8"; rm $x; mv "$x.utf8" $x; done
+</code>
 ===== How do I force users to change their passwords upon first login? =====