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Show HN: Lockdown.sh Simple shell script for locking down new linux installs

Show HN: Lockdown.sh Simple shell script for locking down new linux...

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Lockdown.sh is a single file zero config shell script to be run to lockdown a newly installed linux os. Lockdown.sh aims to set a sensible baseline which can be built upon for specific needs. Zero Config Zero Install Single file POSIX shell script WARNING This script changes the ssh port to 141. And restricts ssh…
Linux 5.8 Set to Optionally Flush the L1d Cache on Context Switch

Linux 5.8 Set to Optionally Flush the L1d Cache on Context...

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The Linux kernel patches that have been spearheaded by Amazon AWS engineers to optionally flush the L1 data cache on each context switch have now been queued in the x86/mm branch ahead of the upcoming Linux 5.8 kernel cycle. This L1d cache flushing on context switches is being done in light of the various CPU…
Push-Button Installer of macOS Guests in VirtualBox for Windows, Linux, & macOS

Push-Button Installer of macOS Guests in VirtualBox for Windows, Linux, &...

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Push-button installer of macOS Catalina, Mojave, and High Sierra guests in Virtualbox for Windows, Linux, and macOS Push-button installer of macOS on VirtualBox macos-guest-virtualbox.sh is a Bash script that creates a macOS virtual machine guest on VirtualBox with unmodified macOS installation files downloaded directly from Apple servers. Tested on Cygwin. Works on macOS, Windows Subsystem…
Deleting a Few Lines of Code Can Yield “Significant” Power Savings on Linux

Deleting a Few Lines of Code Can Yield “Significant” Power Savings...

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A patch slated to be merged for the Linux 5.8 kernel cycle next month that simply deletes ten lines of code (well, six lines of code and four lines of comments) will for some systems yield "significant power savings" due to an oversight in the kernel code that has lasted for about twelve years. Queued…
The sad case of Unreal Engine 1 on Mesa and Linux in 2020

The sad case of Unreal Engine 1 on Mesa and Linux...

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One of the great game industry battles of the turn of century was the standoff between Quake III Arena and Unreal Tournament. With both multiplayer focused first person shooters released just weeks apart from one another, that the two games would wind up going head to head was inevitable. If pressed I am always going to have to say…
Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP) for Linux

Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP) for Linux

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5/12/2020 4 minutes to read In this article Important PUBLIC PREVIEW EDITION This documentation is for a pre-release solution. The guidelines and the solution are subject to change between now and its general availability. As with any pre-release solution, remember to exercise caution when determining the target population for your deployments. If you have preview…
Show HN: Revp – Reverse HTTP Proxy for Linux

Show HN: Revp – Reverse HTTP Proxy for Linux

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Build Run make and then use the resulting executable revp.exe. Instructions Run server with ./revp.exe -s -l 5000 -p 6000, where 5000 is where your client will connect and 6000 is where proxy connections will be serviced. Run client with ./revp.exe -c -a 192.168.1.1 -z 5000, where 192.168.1.1 is your server address and 5000 is…
Show HN: Get help on any Linux command by typing ‘howdoi –’ in your terminal

Show HN: Get help on any Linux command by typing ‘howdoi...

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Get quick answers to common linux related questions, right inside your terminal by typing "howdoi [your question]". Screenshot Examples Quick answer $ howdoi extract a bz2 file -j, --bzip2 filter the archive through bzip2 tar -xvjf enginsxt.tar.bz2 Source: https://askubuntu.com/questions/707861/how-to-extract-tar-bz2 Verbose output $ howdoi -v add a program to cron Put a shell script in one…