Workflow: model a workflow in n8n for Code Schedule Update Scheduled
Integrations: code, emailSend, if, scheduleTrigger, ssh, stickyNote

{"nodes": [{"id": "4ca55c6e-cf2e-4239-82a9-88d0a201e761", "name": "List upgradable packages", "type": "n8n-nodes-base.ssh", "notes": "apt list --upgradable", "position": [-280, 0], "parameters": {"command": "apt list --upgradable"}, "credentials": {"sshPassword": {"id": "Ps31IKTeseWFlA0g", "name": "SSH Password account"}}, "notesInFlow": true, "typeVersion": 1, "alwaysOutputData": false}, {"id": "ae1f0a55-31aa-494b-baa6-822dc606188e", "name": "Send Email through SMTP", "type": "n8n-nodes-base.emailSend", "position": [380, 0], "webhookId": "8073c571-b36f-4330-a510-ca2ff2924fbf", "parameters": {"html": "=The following packages can be updated on your server:\n\n{{ $json.htmlList }}\n\nPlease login and perform upgrade.", "options": {}, "subject": "Server needs updates", "toEmail": "change.me@example.com", "fromEmail": "change.me@example.com"}, "credentials": {"smtp": {"id": "uiNePdJaDng5a43S", "name": "SMTP account"}}, "typeVersion": 2.1}, {"id": "e1d76671-d94c-40d5-9364-623db9319f11", "name": "Run workflow every day", "type": "n8n-nodes-base.scheduleTrigger", "position": [-540, 0], "parameters": {"rule": {"interval": [{}]}}, "typeVersion": 1.2}, {"id": "ec4d722a-b88c-42da-971c-28ad5774596d", "name": "Format as HTML list", "type": "n8n-nodes-base.code", "position": [-60, 0], "parameters": {"jsCode": "function formatStdoutAsHtmlList(stdoutData) {\n\n    // Split the stdout into lines and map to HTML list items\n    const htmlListItems = stdoutData.split('\\n').map((line) => {\n        if (line.trim() && line !== \"Listing...\") { // Optionally skip empty lines or headers\n            return `<li>${line.trim()}</li>`;\n        }\n    }).filter(item => item); // Remove any undefined items due to empty lines or skipped headers\n\n    // Wrap the list items in a <ul> tag\n    const htmlList = `<ul>${htmlListItems.join('')}</ul>`;\n\n    // Return the formatted HTML list as part of an object\n    return { \"htmlList\": htmlList };\n}\n\nreturn formatStdoutAsHtmlList($input.first().json.stdout);"}, "typeVersion": 2}, {"id": "6f14eb02-c505-4f83-a5bb-68094e763fd9", "name": "Check if there are updates", "type": "n8n-nodes-base.if", "position": [140, 0], "parameters": {"options": {}, "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "db66d892-26fb-406c-a0ac-2e4b8a60310a", "operator": {"type": "string", "operation": "notEquals"}, "leftValue": "={{ $json.htmlList }}", "rightValue": "<ul></ul>"}]}}, "typeVersion": 2.2}, {"id": "3924c696-5b0e-4ae2-b2e2-435fed344028", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [-740, -180], "parameters": {"width": 300, "content": "## VPS upgrade notify \nThis workflow will everyday check if server has upgradable packages and inform you by email if there is."}, "typeVersion": 1}, {"id": "bb8ade2a-4ffe-4c79-91eb-55af568eb1b1", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [380, -180], "parameters": {"width": 300, "content": "## Update email addresses\nUpdate From and To email addresses in this node to receive notifications"}, "typeVersion": 1}], "connections": {"Format as HTML list": {"main": [[{"node": "Check if there are updates", "type": "main", "index": 0}]]}, "Run workflow every day": {"main": [[{"node": "List upgradable packages", "type": "main", "index": 0}]]}, "Send Email through SMTP": {"main": [[]]}, "List upgradable packages": {"main": [[{"node": "Format as HTML list", "type": "main", "index": 0}]]}, "Check if there are updates": {"main": [[{"node": "Send Email through SMTP", "type": "main", "index": 0}]]}}}