Presets:
Delay:
Evaluated OnCalendar Directive
Mon..Fri *-*-* 02:00:00
database-backup.timer
database-backup.service
VALID
Syntax Validated
12
Timer Unit Lines
15
Service Unit Lines
Technical manual for migrating Linux Crontab schedule jobs to native systemd .timer and .service calendar events.
Standard 5-part Linux cron string (minute, hour, dom, month, dow).
Systemd calendar specification string evaluated under systemd.time(7).
Execution unit containing ExecStart and security hardening parameters.
Enables Persistent=true so missed jobs run immediately when system wakes from sleep.
Verify systemctl daemon-reload was executed and service unit is enabled (systemctl enable --now your.timer).
In OnCalendar syntax, intervals use *:0/15 or *:00,15,30,45 rather than raw slash syntax in some older systemd versions.
Transform arbitrary JSON payloads into type-safe Swift Codable structs with custom CodingKeys mapping, optional properties for null values, and nested struct extraction.
Generate idiomatic Java Records, Lombok @Data classes, or standard Java POJOs with Jackson @JsonProperty annotations and type inference from JSON.
Convert JSON payloads into strongly typed C# records, classes, and structs supporting System.Text.Json [JsonPropertyName] and Newtonsoft.Json attributes.
Analyze raw Nginx and Apache access logs locally with status code distributions, top requested URLs, unique client IPs, bandwidth metrics, and custom regex pattern matching.
Convert GraphQL SDL schema definitions, types, queries, and mutations directly into standard JSON Schema Draft-07 and OpenAPI component schemas.
Translate cryptic 5-part and 6-part cron expressions into plain English explanations and predict the next 10 upcoming run dates.