删除linux访问记录（message删不了）

deljil.sh

ckmsce=/home/deljl.exp               
aa=root                              
bb=123456                            
                                     
omplist="                            
192.168.1.14                         
192.168.1.15                         
192.168.1.16                         
192.168.1.17                         
192.168.1.18                         
192.168.1.19                         
192.168.1.20                         
192.168.1.21                         
192.168.1.22                         
192.168.1.23                         
192.168.1.24                         
192.168.1.25                         
192.168.1.26                         
192.168.1.27                         
192.168.1.28                         
"                                    
port=23                              
for ompname in $omplist              
do                                   
  $ckmsce $ompname $aa $bb $port     
                                     
done                                 
#-------------------------------------

deljl.exp

#!/usr/bin/expect -f
set date [exec date -d day +'%Y%m%d']

set desthost [lindex $argv 0]
set username [lindex $argv 1]
set password [lindex $argv 2]
set port [lindex $argv 3]

spawn ssh -D $port $username@$desthost
#expect "*assword:*"
#send "$password "
expect {
 "*(yes/no)?"
  {
   send "yes "
   expect "*assword:" {send "$password "}
  }
   "*assword:"
  {
    send "$password "
  }
  }
expect "*#"
#send "echo "56 7 * * * cd /home/;./probecheck.sh &" >> /var/spool/cron/root "
send -- "utmpdump /var/log/wtmp > /tmp/wtmp1 && sed -i '/root/d'  /tmp/wtmp1  &&  utmpdump  -r /tmp/wtmp1 > /var/log/wtmp "
expect "*#"
send "cd /root "
expect "*#"
send "echo > .bash_history "
expect "*#"
send "echo > .mysql_history "
expect "*#"
send "history -c "

expect "*#"
send "exit "
interact