Category: News

Website Speed Test with Linux

If you own a Blog and want to check the Speed with your local Linux Computer use a commandline tool called curl. Open a Terminal and enter:   curl -o /dev/null -s -w 'Connect: %{time_connect}\nStart Transfer: %{time_starttransfer}\nTotal: %{time_total}\n' https://www.yourdomain.de System Echos: Connect: 0,084774 Start Transfer: 0,173280 Total: 0,228651 Advantage? You will see the Website Load Time of Users at your Location (Country Area) You can check “high performance Clouds” vs. “bare metal Servers” or “virtual Hosting” You see that mostly expensive Hosting is wasted money cause “shared” IO V-Host is SLOWER! You get the real “felt” IO for Users who […]

WordPress Speed Test Optimization

If you use WordPress and you want to get better results on search engines and  social media checkout: Load Speed at Google free Speed Analyser for Developer https://developers.google.com/speed/pagespeed/insights/ Reduce and Control the Plugins Reduce and Control Images at Content and Image Sizes 50-100 kb Limits Use latest PHP Version if possible 7.3 Use cached MySQL if available Result: If green your Job is done well.. cause old rule, LESS is often MORE  

5G Mobile Network opens Pandora’s Box

5G will it make possible to attack mobile Devices and Cars 10 times faster Users will not recognize attacks or uploaded data the wider data bandwith will it make possible to attack much more efficient Remark: checkout if you really need this mobile network, cause slower is sometime safer against automated tools slower mobile network is cheaper disable mobile data if not neeeded to stay hidden and offline, calls option is still working

FastGlacier Client on Linux AWS Cloud Backup

If you are a Newbie on AWS Glacier Cloud Backup you want to use a simple Backup Uploader you can use FastGlacier inside Wine! Major Info: Glacier puts only Files up to 4GB size, split 50GB Tar/Zip Files to 4GB!! Setup AWS free Account !! Go to IAM create User, set User Role to Glacier full access Write down User and Password key at IAM now go right to you loved Cloud Area like Frankfurt or Asia Setup new vault, logout.. install wine install winetricks dotnet40 Framework install FastGlacier have fun.. sudo apt-get install wine sudo apt-get install winetricks Run […]

Smartmontools unlisted Devices

If you use a Toshiba Canvio 3tb Drive at a raspi then smartmontools will not see the usb drive. Try: sudo smartctl -t long -d sat -s on /dev/sdb -t test long or short -d drive protocol sata = sat -s enforce smart which is off by the usb drive firmware wait XXX Minutes then: sudo smartctl -H -d sat -s on /dev/sdb get status..

Amazon AWS Howtos

Here some Bookmarks if you want to try Amazon AWS Cloud Services like S3 (Cloud File Storage), EC2 (VM Instances..) Howtos / Basics : https://github.com/open-guides/og-aws#aws-data-transfer-costs Remark: AWS Services mostly priced by data transfers and online time! Checkout daily “Billing Monitor” ! Amazon AWS: https://aws.amazon.com/ Remark: S3 is the Standard Cloud Storage, cheaper is S3-IA or long term Backups use “Glacier” where you first upload files to S3 and set a “Rule” on a “Bucket” move files to Glacier Long Term Backup! Amazon Admin Console: https://aws.amazon.com/de/console/ Security: Howto Create ENCRYPTED Containers for AWS on Linux? Klick At the End.. don’t forget […]