For my personal note :p drop_caches Writing to this will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free. To free pagecache: echo 1 > /proc/sys/vm/drop_caches To free dentries and inodes: echo 2 > /proc/sys/vm/drop_caches To free pagecache, dentries and inodes: echo 3 > /proc/sys/vm/drop_caches Source [...]

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Recently I am disappointed with my IBM x3250 M3 run CentOS linux, the performance is very bad. After investigate I found my SATA drive ( I use two SATA hard drive , 250GB and 500GB) detected by CentOS as IDE drive, as hda and hdb. When I test read and write speed used “hdparam”, the [...]

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Here are the step to make multi boot linux (Debian) and Kalyways 10.5.2 using grub – Boot your system into linux, download “pc_efi bootloader” from http://www.mediafire.com/?0xxzx0xsumg – Unpack to the downloaded file, and copy boot_v8 to /boot – Edit the grub boot menu on /boot/grub/menu.lst, add this line below on the menu list : title [...]

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