只开启应用服务,并关闭所有不相关的系统服务.提高性能.
- #!/usr/bin/perl?-w?
- use?warnings;?
- use?strict;?
- my?%myservices?=?(?
- ????????????????"atd"?=>?"1",?
- ????????????????"crond"?=>?"1",?
- ????????????????"netfs"?=>?"1",?
- ????????????????"autofs"?=>?"1",?
- ????????????????"sshd"?=>?"1",?
- ????????????????"syslog"?=>?"1",?
- ????????????????"network"?=>?"1",?
- ????????????????"nfslock"?=>?"1",?
- );?
- #my($sec,$min,$hour,$day,$mon,$year)=localtime;?
- #my?$year=$year+1900;?
- chomp(my?$date=`date?+%F`);?
- my?$file="/tmp/.chkconfig.$date.log";?
- unlink?$file;?
- sub?Getservices?{?
- ????????my?$cmd="chkconfig?--list";?
- ????????my?@chklist?=?`$cmd`;?
- ????????my?@services;?
- #???????print?"@chklistn";?
- ????????????????foreach?(@chklist){?
- ????????????????????????chomp;?
- ????????????????????????s/^s+//;?
- ????????????????????????s/s+$//;?
- ????????????????????????next?if?$_??eq?'';?
- ????????????????????????my?@num=split?/s+/,$_;?
- ????????????????????????next?if?scalar@num?!=8;?
- ????????????????????????push?(@services,(split?/s+/,$_)[0]);?
- ??}?
- ????????return?@services;?
- }?
- sub?savelog?{?
- ????????`/bin/echo?"@_">>$file`;?
- }?
- sub?Changeservices?{?
- ????????my?$off=0;?
- ????????foreach?(Getservices()){?
- ????????????????next?if?$myservices{$_};?
- ????????????????print?"?$_?at?all?level?to?offn";?
- ????????????????my?$cmd="chkconfig?--level?0123456?$_?off";?
- ????????????????????????`$cmd`;?
- ????????????????$off++;?
- ????????????????savelog($cmd);?
- ?}?
- ????????????????foreach?(keys?%myservices){?
- ????????????????????????my?$cmd="chkconfig?--level?35?$_?on";?
- ????????????????????????????????`$cmd`;?
- ????????????????????????print?"?$_?at?35?level?to?onn";?
- ????????????????????????savelog($cmd);?
- ??}?
- ????????printf?"OFF_services:?%dnON_services:?%dnALL_services:?%dn",$off,scalar(keys?%myservices),scalar?Getservices();?
- }?
- &Changeservices();?
