How to Find a Suspicious Process on Windows with Get-Process
Find a suspicious process on Windows with Get-Process: executable path, digital signature, parent process and network …
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How to Check Your PC Hardware with PowerShell (Get-CimInstance)
See CPU, RAM, BIOS, graphics card and serial number with Get-CimInstance: a PowerShell hardware inventory for one PC or …
How to Check SSD and HDD Health with PowerShell (Get-PhysicalDisk)
Check SSD and HDD health with Get-PhysicalDisk and Get-StorageReliabilityCounter: temperature, wear, power-on hours and …
Get-NetFirewallRule: Audit Windows Firewall Rules
How to use Get-NetFirewallRule in PowerShell to list open inbound rules, spot suspicious exceptions and export a Windows …
How to Enable Automatic Security Updates on Ubuntu
How to set up unattended-upgrades on Ubuntu: install it, limit it to security patches, reboot automatically at 3 AM and …
Get-ScheduledTask: find suspicious scheduled tasks on Windows
Use Get-ScheduledTask in PowerShell to list scheduled tasks, spot malware persistence and see what each one runs. …
How to set up the UFW firewall on Ubuntu in 5 steps
How to set up UFW on Ubuntu: default policy, allowing SSH without locking yourself out, rate-limiting brute force, …
Test-NetConnection: Test Remote Ports and Connectivity in PowerShell
Use Test-NetConnection in PowerShell to test remote ports, check connectivity, and replace ping, telnet, and traceroute …
Get-FileHash in PowerShell: verify a file's SHA256 hash
Learn to use Get-FileHash in PowerShell to calculate and compare SHA256 hashes — confirm a downloaded file is legitimate …
fail2ban: how to block brute force attacks on Linux step by step
Install and configure fail2ban on Ubuntu/Debian to automatically ban IPs that brute-force SSH, with ready-to-use …