05-15-2012
Unix concepts help
Team,
I am working in unix perl . i have come across scenarios where there are lots of unix concepts are being used.
For example, Handle, pipes, forking ,data sharing between processes,parallel processing and so on. I need some conceptual explanation about the unix system .
I have prior experience with unix . i have used various unix commands and shell scripting .
I tried to google for books/resources but it comes with C code and there is no conceptual discussion . i just see things related to kernal programming which is not scope.
Can you please suggest some resources/books where there is enough conceptual discussion like what exactly is pipe,handle and relation between the two , streams , how to create pipe and connect to forked process, etc..
i dont know C language...
Thanks..
Last edited by mdsaleemj; 05-15-2012 at 10:01 AM..
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LEARN ABOUT DEBIAN
socklog-check
socklog-check(8) System Manager's Manual socklog-check(8)
NAME
socklog-check - checks for the availability of a socklog(8) service.
SYNOPSIS
socklog-check [-v] [unix [address]]
DESCRIPTION
socklog-check attempts to connect to a socklog(8) unix service and reports whether the connection attempt succeeded or not.
It connects to the datagram oriented unix domain socket address, and reports success through the return code. If address is not specified,
socklog-check attempts to connect to /dev/log.
When running services that use the syslog facility under runit's service supervision, socklog-check should be added to the top of the ser-
vice's run script to ensure that no syslog messages are generated until a syslog service is up and running to process the messages, e.g.:
#!/bin/sh
socklog-check || exit 1
exec service_using_syslog
OPTIONS
-v verbose. Print verbose message to standard error.
EXIT CODES
On success socklog-check returns 0.
On error, socklog-check prints a message to standard error and exits 111.
SEE ALSO
socklog(8), socklog-conf(8), svlogd(8), tryto(1), uncat(1), sv(8), runsv(8), runsvdir(8)
http://smarden.org/socklog/
http://smarden.org/runit/
AUTHOR
Gerrit Pape <pape@smarden.org>
socklog-check(8)