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-t n 在n秒以后停止获取系统参数$TCPREMOTEINFO<br>
<br>
小结：还是老生常谈，修改/etc/rc.d/inetd.conf时要注意书写，注意o和0的区别，另外就是要一<br>
行写完。还有一点就是写POP3启动脚本时 pop-3要和/etc/services中相一致,若/etc/<br>
services中书写为pop3时inetd.conf中也要改为pop3（只是本人安装时的一点体会，不知正<br>
确与否？）<br>
<br>
<br>
<br>
四：qmail的进程工具daemontools<br>
daemontools可以监测qmail服务、停止和启动qmail服务，记录qmail运行日志（multilog）<br>
其中最主要的程序是supervise它监测进程的运行，如果进程因为其他原因中断或者停止，它会自动的重启这个服务进程，从而提高qmail邮件服务的可靠性。另一个重要程序是multilog，用以取代unix中原有的日志程序。因为它更安全，效率更高。<br>
安装daemontools<br>
#tar xvfz daemontools-0.70.tar.gz<br>
#cd /usr/local/daemontools-0.70<br>
#make<br>
#make setup check<br>
所有程序将被安装到/usr/local/bin目录下。<br>
Daemontools软件包所包含的程序及其功能<br>
程序 功能叙述<br>
Envdir 在预设的系统环境中运行一个程序<br>
Envuidgid 在预设的用户和用户组ID的系统环境中运行一个程序<br>
Fghack 禁止一个程序以后台模式运行<br>
Multilog 系统日志程序<br>
Setlock 以预设的文件系统锁运行一个程序<br>
Setuidgid 以预设的用户和用户组运行一个程序<br>
Softlimit 以预设的系统资源限制运行一个程序<br>
Supervise 启动并监测一个进程，如果这个进程中断或者停止，自动启动这个进程<br>
Svc 控制以supervise启动的进程，允许系统管理员启动和停止这个进程<br>
Svok 监测一个supervise进程是否在运行<br>
Svscan 启动和监测多个supervise进程<br>
Svstat 反回supervise监测的进程的状态<br>
Tai64n 在日志中增加一个tai64n的时间戳<br>
Tai64nlocal 将tai64n时间戳转换成本地时间和时间<br>
<br>
首先停止所有的qmail进程:<br>
#killall qmail-send<br>
为supervise创建相应的运行目录:<br>
#mkdir /var/qmail/supervise<br>
#mkdir /var/qmail/supervise/qmail-send<br>
#mkdir /var/qmail/supervise/qmail-smtpd<br>
#mkdir /var/qmail/supervise/qmail-pop3d<br>
#mkdir -p /var/qmail/supervise/qmail-send/log<br>
#mkdir -p /var/qmail/supervise/qmail-smtpd/log<br>
#mkdir -p /var/qmail/supervise/qmail-pop3d/log<br>
#chmod +t /var/qmail/supervise/qmail-send<br>
#chmod +t /var/qmail/supervise/qmail-smtpd<br>
#chmod +t /var/qmail/supervise/qmail-pop3d<br>
创建相应的日志存放目录<br>
#chmod -p /var/log/qmail/qmail-smtpd<br>
#chmod -p /var/log/qmail/qmail-send<br>
#chmod -p /var/log/qmail/qmail-pop3d<br>
#chown -R qmaill /var/log/qmail<br>
创建qmail文件，内容如下：<br>
#!/bin/sh<br>
#<br>
PATH=/var/qmail/bin:/usr/local/bin:/usr/bin:/bin<br>
export PATH<br>
case "$1" in<br>
start)<br>
echo -n "Starting qmail:svscan"<br>
cd /var/qmail/supervise<br>
env - PATH="$PATH" svscan &<br>
echo $! &gt; /var/run/svscan.pid<br>
echo "."<br>
;;<br>
stop)<br>
echo -n "Stopping qmail: svscan"<br>
kill `cat /var/run/svscan.pid`<br>
echo -n " qmail"<br>
svc -dx /var/qmail/supervise/*<br>
echo -n " logging"<br>
svc -dx /var/qmail/supervise/*/log<br>
echo "."<br>
;;<br>
stat)<br>
cd /var/qmail/supervise<br>
svstat * */log<br>
;;<br>
doqueue|alrm)<br>
echo "Sending ALRM signal to qmail-send."<br>
svc -a /var/qmail/supervise/qmail-send<br>
;;<br>
queue)<br>
qmail-qstat<br>
qmail-qread<br>
;;<br>
reload|hup)<br>
echo "Sending HUP signal to qmail.send."<br>
svc -h /var/qmail/supervise/qmail-send<br>
;;<br>
pause)<br>
echo "Pausing qmail-send"<br>
svc -p /var/qmail/supervise/qmail-send<br>
echo "Pausing qmail.smtpd"<br>
svc -p /var/qmail/supervise/qmail-smtpd<br>
echo "pausing qmail-pop3d"<br>
svc -p /var/qmail/supervise/qmail-pop3d<br>
;;<br>
cont)<br>
echo "Continuing qmail.send"<br>
svc -c /var/qmail/supervise/qmail-send<br>
echo "Continuing qmail.smtpd"<br>
svc -c /var/qmail/supervise/qmail-smtpd<br>
echo "Continuing qmail-pop3d"<br>
svc -c /var/qmail/supervise/qmail-pop3d<br>
;;<br>
restart)<br>
echo "Restarting qmail:"<br>
echo "* Stopping qmail-smtpd."<br>
svc -d /var/qmail/supervise/qmail-smtpd<br>
echo "* Stopping qmail-pop3d."<br>
svc -d /var/qmail/supervise/qmail-pop3d<br>
echo "* Sending qmail.send SIGTERM and restarting."<br>
svc -t /var/qmail/supervise/qmail-send<br>
echo "* Restarting qmail.smtpd."<br>
svc -u /var/qmail/supervise/qmail-smtpd<br>
echo "* Restarting qmail-pop3d."<br>
svc -u /var/qmail/supervise/qmail-pop3d<br>
;;<br>
cdb)<br>
tcprules /etc/tcp.smtp.cdb /etc/tcp.smtp.tmp &lt; /etc/tcp.smtp<br>
chmod 644 /etc/tcp.smtp*<br>
echo "Reloaded /etc/tcp.smtp."<br>
;;<br>
help)<br>
cat &lt;&lt;HELP<br>
stop .. stops mail service (smtp connections refused, nothing goes out)<br>
start .. starts mail service (smtp connection accepted, mail can go out)<br>
pause .. temporarily stops mail service (connections accepted, nothing leaves)<br>
cont .. continues paused mail service<br>
stat .. displays status of mail service<br>
cdb .. rebuild the tcpserver cdb file for smtp<br>
restart .. stops and restarts smtp, sends qmail.send a TERM & restarts it<br>
doqueue .. sends qmail.send ALRM, scheduling queued messages for delivery<br>
reload .. sends qmail.send HUP, rereading locals and virtualdomains<br>
queue .. shows status of queue<br>
alrm .. same as doqueue<br>
hup .. same as reload<br>
HELP<br>
;;<br>
*)<br>
echo "Usage: $0 {start|stop|restart|doqueue|reload|stat|pause|cont|cdb|queue|help}"<br>
exit 1<br>
;;<br>
esac<br>
exit 0<br>
<br>
若想在系统启动时启动qmail相应的服务，将这个qmail文件拷贝到/etc/rc.d/init.d下，然后执行以下命令：<br>
#chmod 755 /etc/rc.d/init.d/qmail<br>
#ln -s /etc/rc.d/init.d/qmail /usr/local/sbin<br>
#ln -s /etc/rc.d/init.d/qmail /etc/rc.d/rc3.d/S80qmail<br>
#ln -s /etc/rc.d/init.d/qmail /etc/rc.d/rc5.d/S80qmail<br>
<br>
在/var/qmail/supervise/qmail-send目录下创建名为run的文件，内容为：<br>
#!/bin/sh<br>
exec /var/qmail/rc<br>
<br>
在/var/qmail/supervise/qmail-smtpd目录下创建名为run的文件，内容为：<br>
#!/bin/sh<br>
#<br>
# This script will be executed *after* all the other init scripts.<br>
# You can put your own initialization stuff in here if you don't<br>
# want to do the full Sys V style init stuff.<br>
QMAILDUID=`id -u qmaild`<br>
NOFILESGID=`id -g qmaild`<br>
exec /usr/local/bin/softlimit -m 2000000 <br>
/usr/local/bin/tcpserver -v -p -x /etc/tcp.smtp.cdb -c 20 <br>
-u "$QMAILDUID" -g "$NOFILESGID" 0 smtp /var/qmail/bin/qmail-smtpd 2&gt;&1<br>
<br>
在/var/qmail/supervise/qmail-pop3d目录下创建名为run的文件，内容为：<br>
#!/bin/sh<br>
#<br>
# This script will be executed *after* all the other init scripts.<br>
# You can put your own initialization stuff in here if you don't<br>
# want to do the full Sys V style init stuff.<br>
exec /usr/local/bin/softlimit -m 2000000 <br>
/usr/local/bin/tcpserver -l 0 -H -R 0 pop-3 <br>
/var/qmail/bin/qmail-popup mail.dream.com <br>
/bin/checkpassword /var/qmail/bin/qmail-pop3d Maildir<br>
<br>
在/var/qmail/supervise/qmail-smtpd/log目录下创建run文件：<br>
#!/bin/sh<br>
exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t /var/log/qmail/qmail-smtpd<br>
<br>
在/var/qmail/supervise/qmail-send/log目录下创建run文件：<br>
#!/bin/sh<br>
exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t<br>
/var/log/qmail/qmail-send<br>
<br>
在/var/qmail/supervise/qmail-pop3d/log目录下创建run文件：<br>
#!/bin/sh<br>
exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t<br>
/var/log/qmail/qmail-pop3d<br>
<br>
然后要改变这些文件的属性以使它们可以运行：<br>
#chmod 755 /var/qmail/supervise/qmail-send/run<br>
#chmod 755 /var/qmail/supervise/qmail-send/log/run<br>
#chmod 755 /var/qmail/supervise/qmail-smtpd/run<br>
#chmod 755 /var/qmail/supervise/qmail-smtpd/log/run<br>
#chmod 755 /var/qmail/supervise/qmail-pop3d/run<br>
#chmod 755 /var/qmail/supervise/qmail-pop3d/log/run<br>
<br>
最后：<br>
#vi /etc/tcp.smtp<br>
<br>
<br>
运行qmail start启动qmail吧!<br>
</FONT><br>
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