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Linux Servers

Fixing kernel error AMD-Vi IO_PAGE_FAULT – Linux

Without any clear reason, today an error appeared on my home server, in fact the server crashed and did not respond to any commands, the only option was the hardware reset, from the button! The server is a HTPC, with remote access (headless server), based on a Ryzen 2400G processor, 16GB Ram, 1xNVMe, 1xSSD, 4xHDDs […]

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Linux Useful

Hot to find your Linux Kernel Version

Below are the usual 4 Commands to Find Linux Kernel Version uname uname -r # find Linux kernel version uname -a # for all information related to kernel version, lsb_release lsb_release -r # for the exact version lsb_release -a # for all information related to the Ubuntu version, lsb_release -sr # distribution version number: proc/version cat /proc/version # details about for […]

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Linux Servers Useful

How to Update Linux Kernel to 5.5.0

To upgrade to linux 5.5.0 kernel, you can perform the following steps: 1st) Download the following files to an empty folder (for 64bit & generic kernel): wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/linux-headers-5.5.0-050500_5.5.0-050500.202001262030_all.deb wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/linux-headers-5.5.0-050500-generic_5.5.0-050500.202001262030_amd64.deb wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/linux-image-unsigned-5.5.0-050500-generic_5.5.0-050500.202001262030_amd64.deb wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/linux-modules-5.5.0-050500-generic_5.5.0-050500.202001262030_amd64.deb 2nd) execute the command: sudo dpkg -i *.deb 3rd) In the end, after the installation has taken place, all you have […]

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Linux Servers

Stop Random Standy/Sleep in Ubuntu-Linux Server

My Ubuntu Server 18.04, is without a monitor / keyboard connected (headless server) and has been running for several years, but today I updated to the latest kernel version because I couldn’t find the solution to a problem that suddenly appeared and without any apparent cause: AMD-Vi IO_PAGE_FAULT error. From what I found online, it […]

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Linux Useful

Automatic REBOOT if needed after apt-get upgrade – Linux

Sometimes after the execution of the apt-get upgrade command is finished, a restart is required, but this is not displayed after the command is completed, but you have to do it manually. To do this, you need to check the existence of the /var/run/reboot-required file and then restart the system if the file exists. To […]

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Networks Technology

Wifi Access Points – Aruba Networks Resources: CLI, Reset, Drivers, Passwords

Factory Reset Aruba – 360 Series https://community.arubanetworks.com/community-home/digestviewer/viewthread?MID=19504#bmab713447-5f8e-4bc2-bd3c-4b1c2028dc1e Aruba Networks Default Usernames & Passwords https://www.router-reset.com/default-password-ip-list/Aruba-Networks Aruba Command Line Interface (CLI) list https://www.arubanetworks.com/techdocs/Instant_41_Mobile/Advanced/Content/CLI_commands/Accessing%20Instant%20CLI.htm ArubaOS 8.x Command-Line Interface Reference Guide https://www.arubanetworks.com/techdocs/CLI-Bank/Content/landing-pages/aos8-home.htm USB Console drivers https://community.arubanetworks.com/blogs/esupport1/2020/10/19/usb-console-drivers Source Mirror: https://robertvicol.com/tech/aruba-network-resources-wifi-access-point-cli-reset-drivers-passwords/

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Linux Useful

Change the extension of multiple files in Linux

1). Using Linux find command Using find command to rename all .oldext files under directory structure with a new extension: .newext find . -type f -name “*.oldext” -exec rename ‘s/\.oldext$/.newext/’ ‘{}’ \; 2). Using Linux find command, but in a different approach for f in `find . -iname ‘*.oldext’ -type f -print`;do mv “$f” ${f%.oldext}.newext; […]

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Linux Useful

du – Get the Size of a Folder in Ubuntu Linux

The linux du command displays the size of file space used by the specified files or folders. If the specified path is a directory (folder), du summarizes disk usage of each subdirectory in that directory. Otherwise, du reports the disk usage of the current working folder. To get the total size of the /srv folder, […]

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Privacy Security

Free and Public DNS Servers for Family – Block Malicious Content!

Cloudflare Free DNS Servers Protect your home against malware – Using the following DNS resolvers will block malicious content: IPv4 1.1.1.2 1.0.0.2 IPv6 2606:4700:4700::1112 2606:4700:4700::1002 Protect your home against malware and adult content – Next DNS resolvers for Families will block malware and adult content: IPv4 1.1.1.3 1.0.0.3 IPv6 2606:4700:4700::1113 2606:4700:4700::1003 https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families OpenDNS (Cisco-owned) OpenDNS Family […]

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Antitrust Broken Internet

■ Google Search Hijacked Speedtest Keywords

Google’s “hijacked” speedtest keywords and place its products above competitors’ and present “answers” (or “direct answers”) on the search page: I assumed it was a google product (or a product that has a close connection with the google company) because the following information clearly appears on the link https://www.measurementlab.net/about/: Measurement Lab is led by teams based at […]