From RFC 1337. TIME-WAIT state removes the hazard of old duplicates for “fast” or “long” connections, in which clock-driven ISN selection is unable to prevent overlap of the old and new sequence spaces. The TIME-WAIT delay allows all old duplicate segments time enough to die in the Internet before the connection is reopened. echo 1 …
Tag Archives: linux
getservbyname programming
The getservbyname() function returns a servent structure for the entry from the database that matches the service name using protocol proto. If proto is NULL, any protocol will be matched. A connection is opened to the database if necessary. getservbyname(“ftp”, “tcp”) = 0x7fcc5248b8c0 The servent structure is defined in as follows: struct servent { char …
wcwidth programming
wcwidth – determine columns needed for a wide character #define _XOPEN_SOURCE #include <wchar.h> #include<stdio.h> main() { int value; wchar_t cr; cr=’H’; value=wcwidth(cr); printf(“\n %d \n”,value); } http://gcc.gnu.org/ml/gcc-bugs/2000-10/msg00540.html
__fpending programming
The __fpending() function returns the number of bytes in the output buffer. For wide-oriented streams the unit is wide characters. This function is undefined on buffers in reading mode, or opened read-only. On POSIX-compliant platforms, SIGSEGV is the signal sent to a process when it makes an invalid memory reference, or segmentation fault. #include<stdio.h> #include<stdio_ext.h> …
BCM4311 802.11b/g WLAN
-[0000:00]-+-1c.1-[04]—-00.0 Broadcom Corporation BCM4311 802.11b/g WLAN command : lspci -n 00:1c.1 0604: 8086:2841 (rev 03) http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/
hal-device command
output part from “apt-cache show hal” Description: Hardware Abstraction Layer HAL provides an abstract view on hardware. . This abstraction layer is simply an interface that makes it possible to add support for new devices and new ways of connecting devices to the computer, without modifying every application that uses the device. It maintains a …
_IO_putc binary standard
_IO_putc(‘\n’, 0x7f90f99127a0) = 10 _IO_putc — alias for putc a snapshot from the binary file ping. @_IO_putc^@strncmp^ http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/baselib–io-putc-3.html Borman, Frank: Christmas Greeting From Space [audio:http://www.freeinfosociety.com/media/sounds/2515.mp3]
__cxa_atexit programming
__cxa_atexit(0x402a20, 0, 0, 0x736c6974756572, 0xffffffffffbfb709) = 0 __cxa_atexit — register a function to be called by exit or when a shared library is unloaded http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/baselib—cxa-atexit.html __cxa_atexit() is not in the source standard; it is only in the binary standard. a snapshot from the binary file. ^@__cxa_atexit^@GLIBC_2.3^@G http://www.answers.com/topic/binary-standard http://dictionary.reference.com/browse/standard http://en.wikipedia.org/wiki/Application_binary_interface atexit – register a function to …
stty
ahiliation@debian:~$stty speed 38400 baud; line = 0; eol = M-^?; eol2 = M-^?; swtch = M-^?; ixany iutf8 ahiliation@debian:~$ stty – change and print terminal line settings http://tldp.org/HOWTO/Modem-HOWTO-7.html Clinton, Bill: I Have Sinned [audio:http://www.freeinfosociety.com/media/sounds/3815.mp3]
Re: How to enforce use of dhcpcd instead of dhclient in
On Thu, Feb 18, 2010 at 02:27:33PM +0000, Liam O’Toole wrote: > On 2010-02-18, wzab wrote: > > Hi, > > > > I have a problem with wireless networking on my laptop (uses iwl3945 > > wireless). > > When dhclient3 is used to obtain IP address via DHCP, the connection is > > …
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