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{
"id": "07-automation",
"title": "Automation",
"icon": "⚙",
"level": "advanced",
"lessons": [
{
"id": "7.1",
"title": "Schedule commands with cron",
"objective": "Run a command on an interval and manage the schedule.",
"minutes": 8,
"commands": [
"cron-every",
"cron-list",
"cron-stop",
"cron-clear"
],
"blocks": [
{
"type": "text",
"text": "`cron-every` schedules a command inside the terminal (minimum 5 seconds). Jobs live only while the tab is open."
},
{
"type": "cmd",
"text": "cron-every 60 echo hello"
},
{
"type": "cmd",
"text": "cron-list"
},
{
"type": "cmd",
"text": "cron-stop 1"
},
{
"type": "cmd",
"text": "cron-clear"
},
{
"type": "tip",
"text": "For server-side schedules use Hermes cron; the terminal scheduler is per-tab."
}
],
"exercise": {
"instruction": "List active cron jobs.",
"accept": [
"cron-list"
],
"check": {
"type": "command"
},
"hint": "Type: cron-list"
},
"quiz": {
"q": "How long does a terminal cron job live?",
"options": [
"forever on the server",
"while the tab is open",
"until reboot"
],
"answer": 1
},
"sources": [
"modules/ext/cron.js"
]
},
{
"id": "7.2",
"title": "Kanban and checkpoints",
"objective": "Track work on a board and snapshot the VFS before risky changes.",
"minutes": 8,
"commands": [
"kanban",
"checkpoint",
"checkpoint-list",
"rollback"
],
"blocks": [
{
"type": "text",
"text": "`kanban` is a local board with todo/doing/done columns. `checkpoint` snapshots the VFS; `rollback` restores it."
},
{
"type": "cmd",
"text": "kanban add \"Try the course\""
},
{
"type": "cmd",
"text": "kanban list"
},
{
"type": "cmd",
"text": "checkpoint before-project"
},
{
"type": "cmd",
"text": "checkpoint-list"
},
{
"type": "cmd",
"text": "rollback before-project"
},
{
"type": "warn",
"text": "`rollback` replaces current VFS state — checkpoint before experiments."
}
],
"exercise": {
"instruction": "Create a checkpoint.",
"accept": [
"checkpoint *",
"checkpoint"
],
"check": {
"type": "command"
},
"hint": "Type: checkpoint my-test"
},
"quiz": {
"q": "What does checkpoint do?",
"options": [
"snapshots the VFS",
"deletes files",
"pushes to WebDAV"
],
"answer": 0
},
"sources": [
"modules/ext/kanban.js",
"modules/core/module-fs.js"
]
}
]
}
|
