Computer software

Linux-Tux

How do I find files containing a specific text on Linux systems?

The easiest way is via your favourite terminal app (aka the CLI): Navigate into the directory you want to search Enter grep -iRl “[text string]” . The output will be a list of files (if any) containing the exact [text string] you specified. To clarify the ‘-iRl’: i: ignore text case R: recursive. search the […]

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How do I fix “The connection cannot proceed because authentication is not enabled and the remote computer requires that authentication be enabled to connect.”?

In the more modern versions of Microsoft Windows (for example Windows 10 & Windows Server 2016) the RDP defaults have changed. The default for “SecurityLayer” has been changed from 0 to 2. Disabling: “Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)” doesn’t change that value to a 0 either. This

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How do I fix the non-responding menu in Windows 10?

A quick fix for when the menu no longer pops up when you press the Windows-key. Windows-key + X select ‘Computer Prompt (Admin)’ type: powershell (and press Enter) type: Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”} (and press Enter) type: exit (and press Enter) type: exit (and press Enter) Now the Windows menu should

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How do I block requests from an IP address/range with iptables?

To block incoming requests from a single IP address, you can use: iptables -I INPUT -s {IP-HERE} -j DROP so if you’d want to block incoming requests from IP address 2.4.6.8, you’d use: iptables -I INPUT -s 2.4.6.8 -j DROP Should you want to block an entire range, for example 10.20.30.0-10.20.30.255, you can use: iptables

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