Archives for: October 2009
TCP Tweaks
Windows TCP-Tweak:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters.
REG_DWORD, key "Tcp1323Opts", value 3
REG_DWORD, key "GlobalMaxTcpWindowSize", value e.g. 4000000, decimal
Linux TCP-Tweak:
/proc/sys/net/ipv4/tcp_rmem - memory reserved for TCP rcv buffers
/proc/sys/net/ipv4/tcp_wmem - memory reserved for TCP snd buffers
/proc/sys/net/core/rmem_max - maximum receive window
/proc/sys/net/core/wmem_max - maximum send window
Sources:
http://www.psc.edu/networking/projects
/tcptune/
Linux joins Windows ADS
Join Linux to ADS:
- smb.conf
- krb5.conf
- nsswitch.conf
On windows side:
Security Policy for Singing
Repair Disk
fdisk -lu
e2fsck -c /dev/sda3
dd if=/dev/zero of=/dev/sda3 bs=4096 count=1 seek=3441271
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