perlCPAN模块DBI.DBD::Mysql
- my?$db_host?=?"localhost";?
- ?my?$db_port?=?"3306";?
- ?my?$db_user?=?"root";?
- ?my?$db_pass?=?"redhat";?
- ?my?$db_name?=?"test";?
- ?my?$dsn?=?"DBI:mysql:$db_name:$db_host:$db_port";?
- ?my?$dbh?=?DBI->connect($dsn,$db_user,$db_pass,{RaiseError?=>?0,PrintError?=>?0})?or?return?("0");?
- ????$dbh->do("set?names?gbk");?
- #???my?$sth?=?$dbh->prepare("select?*?from?mysql.user");?
- #????? $sth->execute();?
- #???????????????while(my?@row?=?$sth->fetchrow_array){?
- ????????????????#???????print?"@rown";?
- ?#???}?
- ????????$sth?=?$dbh->prepare("SHOW?SLAVE?STATUS");?
- ????????$sth->execute();?
- ????????????????while(my?$hash=$sth->fetchrow_hashref){?
- ????????????????????????my?$iostate?=?$hash->{'Slave_IO_Running'};?
- ????????????????????????my?$sqlstate?=?$hash->{'Slave_SQL_Running'};?
- #???????print?"$iostaten$sqlstaten";?
- ????????????????????????????????if?($iostate?eq?'No'?||?$sqlstate?eq?'No'){?
- ????????????????????????????????????????warn?"Mysql?Slave?database?down..n";?
- ????}?
- ??}?
?
perl标准模块Net::Ping和IO::Socket
- #!/usr/bin/perl?
- use?warnings;?
- use?strict;?
- use?IO::Socket;?
- use?Net::Ping;?
- my?$host?=?"192.168.1.2";?
- my?$port?=?"80";?
- my?$p=Net::Ping->new("icmp");?
- $p->ping($host,5)???print?"$host:?runingn"?:?print?"$host:?downn";?
- my?$sock?=?IO::Socket::INET->new(?
- ????????????????????????Timeout?=>?4,?
- ????????????????????????PeerAddr?=>?$host,?
- ????????????????????????Peerport?=>?$port,?
- ????????????????????????Proto???=>?"tcp",?
- );?
- $sock???print?"$port:?Listeningn"?:?print?"$port:?faildn";?
perl标准模块中FIle::Find的使用方法.
- #!/usr/bin/perl?
- use?warnings;?
- use?strict;?
- use?File::Find;?
- my?$path="/etc/";?
- sub?wanted{?
- ????????my?$file=$File::Find::name;?
- ????????if(-f?$file?and?-s?$file?>?5000?and?-s?$file?<?10000){?
- ????????if($file?=~m/.conf$/){?
- ????????print?"$filen";?
- ??}?
- ?}?
- }?
- find(&;wanted,$path);?
perl标准模块Net::SMTP和依赖CPAN模块Net::SMTP_auth认证模块.
- #!/usr/bin/perl?
- use?warnings;?
- #use?strict;?
- use?Net::SMTP;?
- use?Net::SMTP_auth;?
- my?$smtp_mail_host?=?'smtp.sinanet.com';?
- my?$mail_user_from?=?'donghui@leju.sina.com.cn';?
- my?$mail_user_to?=?'donghui@leju.sina.com.cn';?
- my?$mail_user_pass?=?"P@ssW0rd";?
- my?$mail_helo?=?'mail.sinanet.com';?
- $smtp?=?Net::SMTP->new(?
- ????????????????Host?=>?"$smtp_mail_host",?
- ????????????????Hello?=>?"$mail_helo",?
- ????????????????Timeout?=>?40,?
- ????????????????Debug?=>?1,?
- )?or?die?"can?not?connect?mail?servern";?
- $smtp->auth("$mail_user_from","$mail_user_pass")?or?die?"auth?failed!n";?
- $smtp->mail("$mail_user_from");?
- $smtp->to("$mail_user_to");?
- $smtp->data();?
- $smtp->datasend("mail?test!!n");?
- $smtp->datasend("donghuin");?
- $smtp->dataend();?
- $smtp->quit();?
perl中远程执行命令CPAN模块:Expect
- #!/usr/bin/perl?
- use?warnings;?
- use?strict;?
- use?Expect;?
- my?$host?=?"192.168.1.2";?
- my?$pass?=?"redhat";?
- ?$ENV{'TERM'}?=?"xterm";?
- my?$exp?=?Expect->new;?
- ???$exp->log_stdout(0);?
- ???$exp?=?Expect->spawn("ssh?-l?root?$host")?or?die?"can't?conenct?$hostn";?
- ???$exp->log_file("ssh_host.log","w");?
- ???$exp->expect(3,[qr/connecting?(yes/no)/i,?
- ????????????????????????sub{?
- ????????????????????????????????my?$self?=?shift;?
- ????????????????????????????????$self->send("yesn");?
- ????????????????????????????????exp_continue;?
- ?}],?
- [?
- ????????qr/password:/i,?
- ????????sub{?
- ????????????????my?$self?=?shift;?
- ????????????????$self->send("$passn");?
- ????????????????exp_continue;?
- ?}]?
- );?
- $exp->send("netstat?-ntpln")?if?($exp->expect(undef,'#'));?
- $exp->send("exitn")?if($exp->expect(undef,'#'));?
- $exp->log_file(undef);?
