Posted inLinux

CentOS 8 firewall-cmd

CentOS 8 一直測試Zabbix agent不通, 找不到原因 原來還有一個firewall-cmd # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (poli...
Posted inLinux

Linux TCPDump example

192.168.1.151 tcpdump -v -nn -i eth0 src host 192.168.1.151 and dst host 192.168.1.201 192.168.1.201 tcpdump -v -nn -i eth3 src host 192.168.1.151 and...
Posted inLinux Network

Cacti SNMP v3 error

snmpwalk -v3 -u User -a SHA256 -A "Password" -x aes256 -X "Password" -l authPriv IP 如果是正常的, 但是Cacti no response, internal error 可能是php8.1-snmp不能正常運作, ...
Posted inLinux Network

Cacti Upgrade

https://www.stupid.hk/wordpress/?p=2488 Cacti: 1.2.27 to 1.2.30 Weathermap: 1.3 to 1.3.1 cd /var/www/html/cacti cat include/cacti_version git status g...
Posted inDocker Linux

mailcow 更換証書

注意 把証書和intermediate CA/CA放到cert.pem(fullchain), 和Nginx一樣的設定 取代原來的檔案 /opt/mailcow-dockerized/data/assets/ssl/cert.pem /opt/mailcow-dockerized/data/asse...