Beste,

Als ik vandaag via Direct Admin mijne error log files even bekijk zie ik System Messages opeens rare texten die tussen 14:00 - 15:00 is gebeurd met mijn server vandaag.
Via MRTG zire ik ook dat er tussen 14:00 - 15:00 eeen hele hoog CPU Load en Processen aanwezig waren.
Weet iemand in godsnaam wat kan zijn en hoe ik dit probleem kan oplossen?

Hierbij het error message :



kernel: possible SYN flooding on port 80. Sending cookies.
kernel: oom-killer: gfp_mask=0x1d2
kernel: Mem-info:
kernel: DMA per-cpu:
kernel: cpu 0 h low 2, high 6, batch 1
Skernel: cpu 0 cold: low 0, high 2, batch 1
kernel: Normal per-cpu:
kernel: cpu 0 h low 32, high 96, batch 16
kernel: cpu 0 cold: low 0, high 32, batch 16
kernel: HighMem per-cpu: empty
kernel:
kernel: Free pages: 708kB (0kB HighMem)
kernel: Active:67871 inactive:42552 dirty:0 writeback:0 unstable:0 free:177 slab:6360 mapped:111877 pagetables:5061
kernel: DMA free:20kB min:20kB low:40kB high:60kB active:8788kB inactive:1048kB present:16384kB pages_scanned:77121 all_unreclaimable? yes
kernel: protections[]: 0 0 0
kernel: Normal free:688kB min:688kB low:1376kB high:2064kB active:262696kB inactive:169160kB present:491520kB pages_scanned:3316665 all_unreclaimable? yes
kernel: protections[]: 0 0 0
kernel: HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
kernel: protections[]: 0 0 0
kernel: DMA: 1*4kB 0*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20kB
kernel: Normal: 14*4kB 11*8kB 2*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 688kB
proftpd[7232]: server.naam.tdl - Fatal: unable to open incoming connection: Transport endpoint is not connected
kernel: HighMem: empty
kernel: Swap cache: add 787922, delete 787918, find 188517/233775, race 0+2
kernel: 0 bounce buffer pages
kernel: Free swap: 0kB
kernel: 126976 pages of RAM
kernel: 0 pages of HIGHMEM
kernel: 2070 reserved pages
kernel: 181582 pages shared
kernel: 4 pages swap cached
kernel: Out of Memory: Killed process 5761 (mysqld).
kernel: Out of Memory: Killed process 4111 (mysqld).
kernel: Out of Memory: Killed process 4176 (mysqld).
kernel: Out of Memory: Killed process 7209 (mysqld).
kernel: oom-killer: gfp_mask=0xd2
kernel: Mem-info:
kernel: DMA per-cpu:
kernel: cpu 0 h low 2, high 6, batch 1
kernel: cpu 0 cold: low 0, high 2, batch 1
kernel: Normal per-cpu:
kernel: cpu 0 h low 32, high 96, batch 16
kernel: cpu 0 cold: low 0, high 32, batch 16
kernel: HighMem per-cpu: empty
kernel:
kernel: Free pages: 708kB (0kB HighMem)
kernel: Active:66872 inactive:43551 dirty:0 writeback:0 unstable:0 free:177 slab:6359 mapped:111877 pagetables:5061
kernel: DMA free:20kB min:20kB low:40kB high:60kB active:8792kB inactive:1044kB present:16384kB pages_scanned:78309 all_unreclaimable? yes
kernel: protections[]: 0 0 0
kernel: Normal free:688kB min:688kB low:1376kB high:2064kB active:258696kB inactive:173160kB present:491520kB pages_scanned:3370158 all_unreclaimable? yes
kernel: protections[]: 0 0 0
kernel: HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
kernel: protections[]: 0 0 0
kernel: DMA: 1*4kB 0*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20kB
kernel: Normal: 14*4kB 11*8kB 2*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 688kB
kernel: HighMem: empty
kernel: Swap cache: add 787922, delete 787918, find 188517/233775, race 0+2
kernel: 0 bounce buffer pages
kernel: Free swap: 0kB
kernel: 126976 pages of RAM
kernel: 0 pages of HIGHMEM
kernel: 2070 reserved pages
kernel: 181582 pages shared
kernel: 4 pages swap cached
kernel: Out of Memory: Killed process 5290 (httpd).
kernel: possible SYN flooding on port 80. Sending cookies.