QR codes, encodings, YAML, XML and CSV/JSON conversions.

Compress, convert, manipulate, OCR, digitally sign and password-protect PDF files.

IPv4, VLSM, CIDR, VLANs, flows, IPAM, network topologies and monitoring.

DNS, HTTP, email headers, SPF, DMARC, DKIM and technical checks.

Robocopy, PowerShell, IT commands and firewall rules.

Sizing, storage, transfer, SLA and IT migration calculators.

Describe the symptom and follow a guided path to the right checks, tools and procedures.

Likely causes, checks and solutions.

Windows, SMTP, HTTP, DNS, VPN and backup.

Analyze expiration, SANs, certificate chains, PEM, CSRs, AD CS and TLS errors.

Diagnose critical errors, HTTP 500, databases, permalinks, SMTP, WP-Cron, plugins, security and performance.

Diagnose systemd, boot, networking, DNS, SSH, storage, apt/dpkg, memory, logs, permissions, NTP and firewall.

Diagnose sending and receiving, Microsoft 365, SMTP, TLS, SPF, DKIM, DMARC, MX, relay and PTR.

Diagnose QEMU VMs, LXC, clusters, quorum, Corosync, Ceph, ZFS, backups, migrations and networking.

Diagnose VMs, VHDX, checkpoints, vSwitch, Live Migration, Replica, Failover Clustering, CSV and PowerShell.

Diagnose disks, RAID, SMART, NAS, SMB/NFS, iSCSI, MPIO, LUNs, SAN, ZFS, LVM and performance.

Diagnose SQL Server, MySQL/MariaDB and PostgreSQL services, connections, authentication, blocking, deadlocks, backups and disk space.

Diagnose spooler, drivers, ports, network printing, SMB scanning, scan-to-email SMTP, TWAIN and WIA.

Diagnose performance, Windows Update, BSOD, profiles, BitLocker, drivers, networking, OneDrive, SFC and DISM.

Diagnose Entra ID, Intune, MFA, Conditional Access, compliance, Autopilot, Entra Connect, Graph, RBAC and Azure networking.

Diagnose “Active Directory Assistant” with likely causes, priority checks and practical resolution steps.

Consolidates IP configuration, routes, DNS and several connectivity tests into a text file.

Triage, containment, evidence collection and first-response actions.

Guided troubleshooting for networking, Windows, VPN, email and backup.

Diagnose “Email impossible to send or receive” with likely causes, priority checks and practical resolution steps.

Diagnose “Failed backup” with likely causes, priority checks and practical resolution steps.

FortiGate diagnostics: IPsec/SSL VPN, SD-WAN, HA, routing, NAT, sessions and performance.

Diagnose “Internet or network inaccessible” with likely causes, priority checks and practical resolution steps.

Build a monitoring plan with thresholds, criticality, alerts and coverage.

Diagnose “Slow Windows Computer” with likely causes, priority checks and practical resolution steps.

Diagnose “WordPress site in error” with likely causes, priority checks and practical resolution steps.

Diagnose “VPN impossible to connect” with likely causes, priority checks and practical resolution steps.

Assess key security controls and obtain a prioritized action plan without sending answers to the server.

BAOI is the Windows application for diagnostics, troubleshooting, networking, scripts and IT intervention tracking.

Printable cheat sheets for PowerShell, DNS, AD, FortiGate, Linux and more.

Employee onboarding, backup, audit, migration and security.

Reports, incidents, changes and audits.

Inventory devices, networks, services and backups.

Displays volumes mounted with their size, space used, space available and occupancy rates.

Shows the model, FortiOS version, serial number, HA mode and operating time.

Lists active routes and their origin to diagnose a routing problem.

Calculates how long Windows has been running without full restart.

Lists the latest Windows patches with their KB ID and date of installation.

temporarily activates the debug flow to identify the rule, route or reason for a traffic block.

Launches an online file system scan of C drive without immediately planning off-line repair.

Observes a precise traffic through the firewall from a host and port filter.

Analyze the Windows image with DISM, then check protected system files with SFC.

Shows the state of encryption, the method used and the presence of BitLocker protectors.

Shows detailed status of IPsec tunnels, selectors and traffic meters.

Lists local volumes and calculates their occupancy rate to quickly identify a saturated disk.

Consolidates IP configuration, routes, DNS and several connectivity tests into a text file.

Remove locally cached DNS responses to force a fresh resolution.

Identify the 32-bit and 64-bit applications reported in the registry and export the result to CSV.

Export the Windows System and Application event logs to EVTX files for troubleshooting or technical support.

Shows model, serial number, Windows, processor, memory and disks of the station.

Create an HTML report showing the Group Policies applied to the user and computer.

Classifies the main root files according to their size to find the source of saturation.

List systemd units currently in a failed state to identify Linux services that need attention.

Shows the connections to TCP and links each PID to the corresponding process.

Display local and domain accounts that are members of the workstation Administrators group.

Displays the TCP and UDP listening as well as associated processes.

Extracts errors and critical events from System and Application logs over the last 24 hours.

Reset several Windows network components when connectivity remains weak despite basic controls.

Open “Scripts” for practical IT references, commands and intervention resources.

Check whether a server responds on a specific TCP port and display useful network information.

Ask the configured DNS and then a public DNS server to compare the answers.

Remove locally cached DNS responses to force a fresh resolution.

Analyzes the Windows image with DISM, then checks protected system files with SFC.

Access the BAOI resources by technology: FortiGate, Windows Server, Microsoft 365, VMware, Proxmox, Hyper-V, Network, Backup, 3CX, Cybersecurity, WordPress and Linux.

Short, practical tutorials.

Compare IT technologies and solutions.

TCP/UDP ports and network protocols explained.

Test your IT knowledge.

Suggest a term, script, tool or procedure.

Contact IT Toolbox.