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Proxmox node configuration covering VLAN-aware bridge networking and VM IP assignment, plus FC SAN integration with a Huawei Dorado array. Includes orphaned LVM volume cleanup, ALUA multipath with the Huawei trailing-space vendor identifier, shared LVM across cluster nodes, and foreign volume group import via vgimportclone.

Three encryption workflows: building a Java PKCS12 truststore with keytool for a Kubernetes app talking to remote IBM MQ (using distinct trustedCertEntry aliases that keytool needs but OpenSSL cannot set), encrypting an SD card, and encrypting individual files with GPG.