メモリ増設

top - 18:17:19 up 1 min,  1 user,  load average: 0.43, 0.29, 0.11
Tasks:  55 total,   2 running,  53 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1028940k total,   113952k used,   914988k free,     4072k buffers
Swap:  1494004k total,        0k used,  1494004k free,    44784k cached

1GBになった