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Fresh install of DataStax Cassandra fails with "Install Errored: The installed agent doesn't seem to be responding"

i found same error like you. I did change rules Iptables , and the issue resolve.

[root@ip-172-xxxxx ~]# iptables -I INPUT -p tcp --dport 61620 -j ACCEPT

[root@ip-172-xxxxx ~]# iptables -I INPUT -p tcp --dport 50031 -j ACCEPT

[root@ip-172-xxxxx ~]# iptables -I OUTPUT -p tcp --dport 50031 -j ACCEPT

[root@ip-172-xxxxx ~]# iptables -I OUTPUT -p tcp --dport 61620 -j ACCEPT iptables -L Chain OUTPUT (policy ACCEPT) target prot opt source destination

ACCEPT tcp -- anywhere anywhere tcp dpt:61620

ACCEPT tcp -- anywhere anywhere tcp dpt:50031

ACCEPT tcp -- anywhere anywhere tcp dpt:ddi-tcp-1

Lucky!





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