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When NATS JetStream consumers repeatedly receive the same message, the culprit is often ack timing or consumer configuration. This guide walks through diagnosing redelivery, checking consumer state, and applying fixes such as adjusting ack_wait and max_ack_pending.
After hardening an AlmaLinux 8 system with the CIS Security Benchmarks, a cron job that uses ack to search a log file returns zero matches, while the same command works correctly when run from an interactive shell. This causes monitoring or alerting scripts to fail. What explains this discrepancy, and how can the cron job be fixed while remaining compliant w
When running a Bash script that uses ack to search for patterns in a file, the script reports the expected counts when executed directly from an interactive shell on AlmaLinux 9. However, the same script invoked via a cron job returns zero counts, causing the conditional logic to fail. What causes this difference in behavior, and how can the script be modifi
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