How to fix Debian 9 apt-get update error: The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key To fix error we need download and install new SURI repository key: # wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg And try re-run update:… Continue Reading
In this article you will learn a couple of methods on how to fix Fail2ban High Memory Usage problem. There may be several reasons for Fail2ban consumption a very large amount of memory (in my case it was about 2,5… Continue Reading
How to fix error in Debian Linux: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none Try to reinstall certificates: # apt-get install –reinstall ca-certificates Then add root certificates: sudo mkdir /usr/local/share/ca-certificates/cacert.orgsudo wget -P /usr/local/share/ca-certificates/cacert.org http://www.cacert.org/certs/root.crt http://www.cacert.org/certs/class3.crtsudo update-ca-certificates Fix wget ERROR:… Continue Reading
After update or new installation when you try to run Microsoft Flight Simulator 2020 on PC you may encounter a problem when intro screen shows message “Press any Button to Start” after press any button in new displayed Xbox window… Continue Reading
In this article you will learn how to Fix Zabbix Warning: Lack of Free Swap Space, and manually clear swap memory in Linux. The problem has 3 solutions, create or increase swap space, increase server RAM, and finally we can… Continue Reading
In this article you will learn How to check Bluetooth version on Windows 10 with 5 easy steps. This method applicable for checking USB Bluetooth adapters (receivers) or internal onboard Bluetooth devices. Bluetooth is a short-range wireless technology standard that… Continue Reading
In this article you will learn How to Check Motherboard Model From Command Prompt or Windows PowerShell. In your Windows 10 open Command Prompt or PowerShell:Go to Search, type cmd. Then execute next command: wmic baseboard get product,Manufacturer,version,serialnumber As result… Continue Reading
In this article you will learn how to unlock 50 MH/s ETH Mining, NVIDIA RTX 3060 470.05 Driver Download and NVIDIA Beta driver. On FEB 2021 NVIDIA Accidentally released NVIDIA GeForce 470.05 Dev Drivers allowed RTX 30xx family graphic cards… Continue Reading
In this article I will show how to clear FreeNAS error: IPMI SEL low space left on Supermicro server. If you like what you are reading, please: Buy me a coffee
In this article you will learn how to install Stress on Amazon Linux in 1 min. “Stress” is a Linux utility to load and stress a computer system. Linux Stress usage example: # stress –cpu 8 –io 4 –vm 2… Continue Reading