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2002-08-07
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[ $Id: faq,v 1.1.1.1.2.7 2002/08/07 21:18:53 stskeeps Exp $ ]
UnrealIRCd FAQ
Made by Stskeeps
This file will contain frequently asked questions about
Unreal IRCd. If you need more help email stskeeps@tspre.org
1) * I compile and everything seems fine during the compiling, but when it
comes time for the program to link, I get errors complaining about dns and
res things. What causes this?
A: You need to make sure -lresolv is included in the "extra libraries"
option of ./Config (or IRCDLIBS in top-level makefile)
2) * When I start up the IRCd it complains about something with chdir()?
A: You need to make sure the right directory is specified when you was
asked about "What directory are all the server configuration files in?"
./Config question
3) The server says like:
*** Link server1 -> server2 is now synced [secs: 30 recv: 130.4 sent: 120.0]
when I link two servers together, what does that mean?
A: That means the link is "synced" (all infodata transfered about the server).
The "secs" (30 in this example) means it took 30 seconds to do the sync
"recv: 130.4" means there was recieved 130 KiloBytes and 4 bytes.
"sent: 120.0" means there was sent 120 kilobytes from my side.
4) What is a negative TS split?
A: Every computer/server has got a time (so they can do TimeStamps) ..
When the clock on the computer is set wrong and the computer it links
upto is wrong it creates a Negative TS split (means time is lower it
actually is. How to fix this is contacting the root of the machine
and ask him to fix the time (when you made sure it's YOUR server that's
wrong)
5) What is an uProtocol ?
A: UnrealIRCd uses numbers to check if a link is compatible with itself
F.x Unreal v2.1.3 has got number 2103 while version 2.1 only has got
2100 - This means .. if the number is lower/higher than the uProtocol
the server uses, it's an incompatible link (of some reasons)
6) How does T:Lines work and what are they?
A: T:Lines is a new Unreal feature that makes it able to show different
MOTDs and RULES to people who matches a certain hostmask . Lemme show you some examples:
T:*.dk:motds/danish.motd:rules/danish.rules
T:*.fr:motds/french.motd:rules/french.rules
This will get people from Denmark to see the "Danish" MOTD and the "Dandish" RULLES
and people from France to see the French ones:)
NOTE: T:Lines are read up side down so if you have a T:*:ircd.motd:ircd.rules in the bottom
it should be at the top so the other motd lines can work as well
7) Where can i download updates to Unreal?
A: Mostly you can download the newest version at
http://www.unrealircd.com
Versions may be spewed out regulary due to new features and bugs..
10) Hosts show up as (null).network.net !!
A: This is because you have forgotten to include the network file.
The correct form is (in unrealircd.conf)
Include ..........: <network file>
If this doesn't work .. seek me at irc.ircsystems.net #unrealircd
12) My IRCd which runs on a FreeBSD says something about FDs and
Max: 0 What shall I do??
A: Well it's somekinda bug but you can workaround it by removing those
lines in src/s_bsd.c: (init_sys())
<- snippet 1 ->
#ifdef RLIMIT_FD_MAX
struct rlimit limit;
int pid;
if (!getrlimit(RLIMIT_FD_MAX, &limit))
{
# ifdef pyr
if (limit.rlim_cur < MAXCONNECTIONS)
#else
if (limit.rlim_max < MAXCONNECTIONS)
# endif
{
(void)fprintf(stderr,"ircd fd table too big\n");
(void)fprintf(stderr,"Hard Limit: %d IRC max: %d\n",
limit.rlim_max, MAXCONNECTIONS);
(void)fprintf(stderr,"Fix MAXCONNECTIONS\n");
exit(-1);
}
# ifndef pyr
limit.rlim_cur = limit.rlim_max; /* make soft limit the max */
if (setrlimit(RLIMIT_FD_MAX, &limit) == -1)
{
(void)fprintf(stderr,"error setting max fd's to %d\n",
limit.rlim_cur);
exit(-1);
}
# endif
}
#endif
<-snippet 2->
#ifdef sequent
# ifndef DYNIXPTX
int fd_limit;
fd_limit = setdtablesize(MAXCONNECTIONS + 1);
if (fd_limit < MAXCONNECTIONS)
{
(void)fprintf(stderr,"ircd fd table too big\n");
(void)fprintf(stderr,"Hard Limit: %d IRC max: %d\n",
fd_limit, MAXCONNECTIONS);
(void)fprintf(stderr,"Fix MAXCONNECTIONS\n");
exit(-1);
}
# endif
#endif
13) I run debian-sparc and i get errors when compiling in match.c
What should I do?
A: If it says like this
<-snippet->
match.c: In function 'myncmp':
match.c:247: argument 'str1' doesn't match prototype
/usr/include/string.h:255: prototype declaration
match.c:247: argument 'str2' doesn't match prototype
/usr/include/string.h:255: prototype declaration
match.c:247: argument 'n' doesn't match prototype
/usr/include/string.h:255: prototype declaration
<-end of snippet>
Then go into include/setup.h and add this line:
#define GOT_STRCASECMP
(C) Carsten Munk 1999-2000