Modifying ring buffer and a few other parameters with UDEV rules We all have been there, trying to get the most out of our computers, servers and so on. Linux offers its users lots of great kernel options that, when used correctly can really help improving not only performance, but…
This is a pretty straightforward post linking to two excelent ways to check status on your SSD drive as well as real time monitoring of power and usage. SSD monitoring using smarttools Power metrics using asitop I''l be adding more info and other tools available as I…
Hi everyone, I know this is a very sensitive topic right? Why my WIFI is slow? How do I fix it? Well, here I will share a few things that really helped in my case and hopefully some of the recommendations should apply to you as well, depending on what…
Hi everyone, I thought I would write a very simple, yet effective way of deploying Linux workloads, virtual machines on Azure or pretty much any other cloud of your choice and making sure the basics are being met to get a good , secure and clean deployment which you can always…
These have been tested and seem to work on MacOS Catalina and later ... I will also keep this list updated with new commands and corrections .. Disable Safari DNS caching defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false ClearDNS alias cleardns='sudo killall -HUP mDNSResponder; echo "dns cache cleared&…
I will be adding and updating this list with new one-liners, corrections and so on ... Find IP owner dig +short myip.opendns.com @resolver1.opendns.com | xargs whois | grep -i org CPU Usage for i in $(seq $(getconf _NPROCESSORS_ONLN)); do yes > /dev/null & done Find and Grep…
Are you having issues with SSSD_BE hogging CPU in an environment where you do have AD configured, but majority of the users are local to your Linux server? Well, these options should help you dealing with this issue: enable_file_domains = false /etc/nsswitch.conf order, instead of having:…
Hi Everyone, This is a fairly simple post about how to configure your NGINX instance to use strong ciphers, HSTS and only TLS 1.2/1.3 .. If you are using certbot (Let's Encrypt) to get your SSL certificates from and you have used the NGINX switch, it…