Идут вот такие вот блоки (каждые 5 минут), как будто кто-то сканирует подбирая порт:
Oct 8 13:15:01 my_server /USR/SBIN/CRON[30202]: (root) CMD (/usr/local/ispmgr/sbin/cron.sh sbin/ihttpd.check.sh)
Oct 8 13:15:01 my_server /USR/SBIN/CRON[30203]: (root) CMD (/usr/local/ispmgr/sbin/cron.sh sbin/eximquota.check.sh)
Oct 8 13:15:01 my_server /USR/SBIN/CRON[30204]: (root) CMD ($DF > /var/tmp/guest-stat-df 2>/dev/null)
Oct 8 13:15:01 my_server /USR/SBIN/CRON[30205]: (root) CMD ($DF -i > /var/tmp/guest-stat-df-i 2>/dev/null)
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open called, filepath: /var/tmp/guest-stat-df, mode: r
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open, handle: 22390
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-close called, handle: 22390
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open called, filepath: /var/tmp/guest-stat-df-i, mode: r
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open, handle: 22391
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-close called, handle: 22391
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open called, filepath: /proc/stat, mode: r
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open, handle: 22392
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-close called, handle: 22392
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open called, filepath: /proc/meminfo, mode: r
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open, handle: 22393
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-close called, handle: 22393
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open called, filepath: /proc/net/sockstat, mode: r
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-open, handle: 22394
Oct 8 13:15:08 my_server qemu-ga: info: guest-file-close called, handle: 22394
блоки повторяются вот такими кусками с разницой в handle: 22392...+1
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Не тот велик, кто не падал, а тот кто падал и поднимался.