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3
votes
2answers
3k views

dmesg SYN flood on 80 sysctl -p

I am getting a synflood on my server port 80 and i cannot stop it. first i got tables full then i disabled iptables to find out that its a synflood netstat -n | grep :80 |wc -l #returns 1300 - 2000 ...
1
vote
1answer
112 views

Running dmesg on Docker results in “dmesg: read kernel buffer failed: Permission denied”

In order to debug why this issue occurs the following command is run on a container: docker run -it <dockerImageName> dmesg results in: dmesg: read kernel buffer failed: Permission denied ...
1
vote
0answers
55 views

wired dmesg output and high cpu load

I have like 50 Linux servers with the same hardware and kernel, but recently found that some of them suffers from high CPU load, runs very slowly, top and ps show TIME column with impossible large ...