утекла память [SOLVED]

Всем привет.
установил ОС неделю назад, не иксов, не мускулей, не веб серверов. настроил только iptables.

free -m
             total       used       free     shared    buffers     cached
Mem:          1877       1669        208          0        127        213
-/+ buffers/cache:       1327        549
Swap:         4031          0       4031

ps -eo size,pid,user,command | awk '{ hr=$1/1024 ; printf("%13.6f Mb ",hr) } { for ( x=4 ; x<=NF ; x++ ) { printf("%s ",$x) } print "" }' | sort
.........
.........
     0.261719 Mb /sbin/mingetty /dev/tty5 
     0.261719 Mb /sbin/mingetty /dev/tty6 
     0.281250 Mb /sbin/init 
     0.285156 Mb awk { hr=$1/1024 ; printf("%13.6f Mb ",hr) } { for ( x=4 ; x<=NF ; x++ ) { printf("%s ",$x) } print "" } 
     0.414062 Mb -bash 
     0.585938 Mb /usr/libexec/postfix/master 
     0.589844 Mb pickup -l -t fifo -u 
     0.589844 Mb /sbin/dhclient -1 -q -lf /var/lib/dhclient/dhclient-eth0.leases -pf /var/run/dhclient-eth0.pid eth0 
     0.597656 Mb /usr/sbin/sshd 
     0.691406 Mb qmgr -l -t fifo -u 
     0.781250 Mb sshd: root@pts/0 
     0.847656 Mb /sbin/udevd -d 
     0.847656 Mb /sbin/udevd -d 
     0.851562 Mb /sbin/udevd -d 
     1.039062 Mb ps -eo size,pid,user,command 
     1.394531 Mb crond 
    49.281250 Mb sort 
    74.304688 Mb auditd