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UNIX for Dummies Questions & Answers
How to prevent queues from disabling themselves
Post 302582387 by vbe on Thursday 15th of December 2011 05:49:43 PM
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I have a print queue set up with the following options: remote, standard processing, Hostname=(A Windows 2000 Server), bsd print spooler. It takes about 1 minute to transfer a 100 kb file and it times out (downs the queue) on larger files. When tested on a different system at a different location... (2 Replies)
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Hi,
I submit some processes throught an at queue with the cmd at -q queue.
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#include <sys/ipc.h>
#include <sys/msg.h>
int main()
{
int qid;
int t;
struct msgbuf mesg;
qid=msgget(IPC_PRIVATE,IPC_CREAT);
mesg.mtype=1L;
mesg.mtext=1;
t=msgsnd(qid,&mesg,1,0);
printf("%d",t);
}
the program prints -1 as the result of msgsnd ,which means that msgsnd doesn't... (1 Reply)
Discussion started by: tolkki
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can any body provide a tutorial that explains the concept of message queues in UNIX in great detail (1 Reply)
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LEARN ABOUT MOJAVE
cupsctl
cupsctl(8) Apple Inc. cupsctl(8) NAME
cupsctl - configure cupsd.conf options SYNOPSIS
cupsctl [ -E ] [ -U username ] [ -h server[:port] ] [ --[no-]debug-logging ] [ --[no-]remote-admin ] [ --[no-]remote-any ] [ --[no-]share-printers ] [ --[no-]user-cancel-any ] [ name=value ] DESCRIPTION
cupsctl updates or queries the cupsd.conf file for a server. When no changes are requested, the current configuration values are written to the standard output in the format "name=value", one per line. OPTIONS
The following options are recognized: -E Enables encryption on the connection to the scheduler. -U username Specifies an alternate username to use when authenticating with the scheduler. -h server[:port] Specifies the server address. --[no-]debug-logging Enables (disables) debug logging to the error_log file. --[no-]remote-admin Enables (disables) remote administration. --[no-]remote-any Enables (disables) printing from any address, e.g., the Internet. --[no-]share-printers Enables (disables) sharing of local printers with other computers. --[no-]user-cancel-any Allows (prevents) users to cancel jobs owned by others. EXAMPLES
Display the current settings: cupsctl Enable debug logging: cupsctl --debug-logging Get the current debug logging state: cupsctl | grep '^_debug_logging' | awk -F= '{print $2}' Disable printer sharing: cupsctl --no-share-printers KNOWN ISSUES
You cannot set the Listen or Port directives using cupsctl. SEE ALSO
cupsd.conf(5), cupsd(8), CUPS Online Help (http://localhost:631/help) COPYRIGHT
Copyright (C) 2007-2017 by Apple Inc. 30 May 2016 CUPS cupsctl(8)