keytool -importcert

• keytool -import -alias <new_unique_alias> -file <any_filename_here_from_above> -keystore <path/to/truststore>

Default password: changeit

Enter keystore password:
Owner: CN=subdomain.domain.com
.../...
Trust this certificate? [no]:  yes
Certificate was added to keystore

• keytool -list

See also

• keytool -importcert
• keytool [ -list | -importcert | -printcert -sslserver ]
• CA, Root Certificates, FreeIPA, PKI, OpenCA, Wildcard certificate, certtool, certbot (Let's Encrypt), certinfo (Cloudflare), ACME, Boulder, cfssl (Cloudflare), Public key certificate, public key, TLS and X.509, OCSP, Subject Alternative Name (SAN), openssl ca, Self signed certificate, CSR, keytool, ACM, KMS, aws acm, IdenTrust, multirootca, cert-manager, ca_cert_identifier, Amazon Certificate Manager (ACM), AWS Private Certificate Authority, XCA