随手记

sed -n '/Failed password/p' /var/log/auth.log |  grep -v "invalid" | awk '{print $11}' | sort | uniq
sed -n '/Accept/p' /var/log/auth.log  | awk '{print $11}' | sort | uniq
for i in `sed -n '/Failed password/p' /var/log/auth.log |  grep -v "invalid" | awk '{print $11}' | sort | uniq`;do curl ipinfo.io/$i ; sleep 2 ; done

查看当前最大连接数
cat /proc/sys/net/nf_conntrack_max

临时生效
sysctl -w net.netfilter.nf_conntrack_max = 655350


永久生效
/etc/sysctl.conf
添加一行
net.netfilter.nf_conntrack_max=655350

linux

/usr/lib/dracut/skipcpio initramfs-......img | zcat | cpio -div

nmap -p- -sV -sS -T4 185.81.68.124 -v -oA scan_results --min-parallelism 64 --max-parallelism 256 -Pn

win

Microsoft-Windows-TerminalServices-LocalSessionManager/Operational
Microsoft-Windows-TerminalServices-RemoteConnectionManager/Operational
安全-4624-succ
安全-4625-fail

ubuntu

http://archive.ubuntu.com/ubuntu/ 
dist/?/main/binary-amd64/Packages.gz
# 直接查看gz文件中的内容
zcat