Thursday, September 28, 2023

Linux本地端口重定向

把本地端口udp/514接收到的数据转发到udp/5140

iptables -t nat -I PREROUTING -i ens33 -p udp --dport 514 -j REDIRECT --to-port 5140

 

注:ens33为网卡名称

Thursday, September 7, 2023

Wednesday, September 6, 2023

华为交换机配置 snmp v2c

系统视图:

snmp-agent sys-info version v2c
snmp-agent community read 2015danc
undo snmp-agent sys-info version v3
snmp-agent target-host trap address udp-domain 192.168.3.202 params securityname hwsw v2c
snmp-agent trap enable

把多个png文件转换成支持多个分辨率的ico文件

工具:ImageMagick 命令:magick convert -background transparent sample*.png sample.ico