• hostapd example configuration for high speed AC on 5GHz using WPA2


    This example is using RTL8821AU chipset from a TP-Link T2U Plus USB adapter and other similar ones should work the same. Here's how to get this chipset RTL8821AU working in Linux. Here's how to get RTL8812 and RTL8822 working in Linux.........
  • Dell Server Workstation iDRAC Dead after Firmware Update Solution R720, R320, R730


    This is certainly a poor design, as you can read many seasoned admins who have updated their iDRAC only to have it killed. One possible cause is not by doing all the incremental updates, doing updates from an old iDRAC to one many revisions newer is a sure way to kill things, but even then there is no guarantee based on the amount of failures. List of threads of people's dead iDRAC's:........
  • How To Add Windows 7 8 10 11 to GRUB Boot List Dual Booting


    Many times just doing an update-grub may find Windows and add it to grub, but a lot of times it won't. Create Windows in a custom grub entry like below: sudo vi /etc/grub.d/40_custom menuentry "Windows 10" { set root='(hd0,0)' chainloader + 1 } Change Windows 10 to whatever you want to call it. For example if it was for Windows 11 you'd probably want to ca........
  • efibootmgr: option requires an argument -- 'd' efibootmgr version 15 grub-install.real: error: efibootmgr failed to register the boot entry: Operation not permitted.


    This sometimes happens when trying to install the EFIversion of grub to a device when you are booted into Legacy/MBR mode. It doesn't seem to occur on all machines, but some and seems somewhat BIOS dependent. grub-install --target=x86_64-efi /dev/sda Installing for x86_64-efi platform. grub-install.real: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. grub-install.real: warning: Couldn't find physica........
  • Apache Error Won't start SSL Cert Issue Solution Unable to configure verify locations for client authentication SSL Library Error: 151441510 error:0906D066:PEM routines:PEM_read_bio:bad end line SSL Library Error: 185090057 error:0B084009:x509 certif


    [Wed Nov 01 18:47:08 2023] [error] Unable to configure verify locations for client authentication [Wed Nov 01 18:47:08 2023] [error] SSL Library Error: 151441510 error:0906D066:PEM routines:PEM_read_bio:bad end line [Wed Nov 01 18:47:08 2023] [error] SSL Library Error: 185090057 error:0B084009:x509 certificate routines:X509_load_cert_crl_file:PEM lib It actually gives us a good clue that at last one component of our cert is invalid/improperl........
  • Docker Swarm vs Kubernetes Comparison Guide


    A lot of companies are unsure which solution to choose and many may not be aware of Docker Swarm as an alternative to Kubernetes. One thing that many Sysadmins find is that Docker Swarm is simply easier, quicker to setup and maintain by far than Kubernetes.........
  • When is it time to leave your VPS/VDS Cloud Hosting Provider?


    When Is It Time to Leave Your VPS, VDS, and Dedicated Server Provider? Choosing the right hosting solution—be it Virtu........
  • 2024 Buyer's Guide: How to Choose and Buy the Best VPS/VDS for Your Needs - Tips and Strategies


    In today’s digital landscape, finding a reliable and secure Virtual Private Server (VPS) or Virtual Dedicated Server (VDS) goes beyond just comparing specs and prices. With increasing concerns over data privacy, security breaches, and government surveillance, the wisdom of choosing your VPS/VDS provider based on juri........
  • Install Grafana on Linux Debian Ubuntu Tutorial Guide


    First we need a few extra packages: apt update apt install -y adduser libfontconfig1 musl sudo wget https://dl.grafana.com/enterprise/release/grafana-enterprise_10.3.1_amd64.deb Install / Enable Grafana dpkg -i grafana-enterprise_10.3.1_amd64.deb dpkg -i grafana-enterprise_10.3.1_amd64.deb (Reading database ... 44309 files and directories currently installed.) Preparin........
  • Mint Ubuntu Linux Gnome Showing Home Directory on Desktop instead of Desktop Directory


    During a migration or other custom setup, it's possible you don't have a $HOME/Desktop and as a result the config file that controls this is set to just use your $HOME directory. This is controlled in the file: $HOME/.config/user-dirs.dirs As we can see below, Desktop, Downloads, Music and Pictures are set to $HOME. We can edit any of these as we like. # This file is written by xdg-user-dirs-update # If you want........
  • Linux how to get list of all timezones on system Ubuntu


    find /usr/share/zoneinfo/|sed s#"/usr/share/zoneinfo/"##g|grep "/"|grep -v posix|grep -v ^"Etc/"|grep -v ^right|grep -v ^"SystemV" Africa/Addis_Ababa Africa/Abidjan Africa/Blantyre Africa/Lusaka Africa/Casablanca Africa/Libreville Africa/Asmara Africa/Bujumbura Africa/Dakar Africa/Lagos Africa/Malabo Africa/Harare Africa/Kigali........
  • How To Upgrade Debian 8,9,10 to Debian 12 Bookworm


    Step 1.) Upgrade to Debian 11 first The process to go to Debian 12 is not as smooth as 11, when trying to upgrade from Debian 10. In fact, it doesn't work directly, so you'll first need to follow this guide to update to Debian 11, reboot and come back here if successful. Step 2.) Update sources.list Update your /etc/apt/sources.list like this: deb http://........
  • apache2 httpd apache server will not start [pid 22449:tid 139972160445760] AH00052: child pid 23248 exit signal Aborted (6) solution Mint Debian Ubuntu Redhat


    If you get this error, it is often because you have configured Apache with modules that weren't actually installed. Eg. you try to load the PHPmodule but didn't actually install the apache2 php module, so the server can't start. In general, this error can often be caused by issues with problematic modules and/or Apache being configured for modules that have not actually be installed (eg. libapache2-mod-php) is missing. The above results in this less than obv........
  • How To Setup Python3 in Ubuntu Docker Image for AI Deep Learning


    The issue is that Docker images are stripped down, so many tools and even python3 is missing, so you'll have to build or update the actual image yourself. I assume you have started an image with something like this and that you have the Nvidia Toolkit installed (assuming you are using GPUs). If you're not using nvidia just remove --runtime=nvidia --gpus all. docker run -it --runtime=nvidia --gpus all ubuntu bash These works for most images li........
  • How to Configure NVIDIA GPUs with Docker on Ubuntu: A Comprehensive Guide for AI Deep Learning CUDA Solution


    Welcome to our in-depth guide on configuring NVIDIA GPUs with Docker on Ubuntu. This post is tailored for developers, data scientists, and IT professionals who are looking to leverage the power of NVIDIA's GPU acceleration within Docker containers. Whether you're working on machine lea........
  • Internet Explorer Cannot Download File "Your security settings do not allow for this file to be downloaded." Security Settings Solution


    By default in most newer Windows installs, you will not be able to download files from "Internet" sites and you'll get this error "Your security settings do not allow for this file to be downloaded." Solution to Enable Downloads in IE Internet Explorer 1.) Go to Settings (button) -> Internet options -> Security (tab) 2.) Click "Internet" and then the "Custom Level" button. 3.) Find the following section and set D........
  • Linux swapping too much? How to check the swappiness and stop swapping


    We could always disable swap but this would normally be a bad idea unless you have an incredible amount of RAM and a workload that will never exceed it. However, for live/containerized and high performance environments it could be desirable. Another middle ground may be to set swappiness to a lower number. You may also want to clear your kernel's cache, which could be eating up RAM unnecessarily by c........
  • How to upgrade to the latest Python version on Linux Ubuntu Debian Mint 3.11


    A lot of developers want to go to 3.11 because of the speed improvements, but most distros never have the latest Python version. Using the deadsnakes third party repo is the easiest way aside from compiling it yourself (which is safer and recommended): Step 1 - Add the repo apt-add-repository ppa:deadsnakes/ppa If you get an error about requests then install it:........
  • Linux Ubuntu Mint Gnome keyboard Typing not working in certain application or window solution


    This is a weird issue in Mint Ubuntu gnome that I've only seen on one system. It may happen in your terminal or your browser but one program will just refuse to allow input from the keyboard. I am not sure if it's some weird fluke on a strange keyboard by perhaps accidentally hitting a weird key combination. In some windows the keyboard gets weird and only / and Esc seem to work. / brings up quick find and sometimes Esc will close it........
  • talib/_ta_lib.c:747:10: fatal error: ta-lib/ta_defs.h: No such file or directory


    If you are installing ta-lib for Python and get this error then you can normally solve it by manually getting the ta-lib source files and compiling. tar -zxvf ta-lib-0.4.0-src.tar.gz cd ta-lib;./configure;make;make install Collecting ta-lib Downloading https://files.pythonhosted.org/packages/39/6f/6acaee2eac6afb2cc6a2adcb294080577f9983fbd2726395b9047c4e13ec/TA-Lib-0.4.26.tar.gz (272kB) &nbs........
  • Grandstream Phone Vulnerability Security Issue Remote Backdoor Connection to 207.246.119.209:3478


    Have you checked your router/firewall logs and disconcertingly see connections to an unknown IP207.246.119.209:3478 from your Grandstream VOIPphones? You're not alone and the Grandstream forums have discussed this issue. However, even their own staff d........
  • Linux How to Check Which NIC is Onboard eth0 or eth1 Ubuntu Centos Debian Mint


    So say you happen to have 2 NICs of the exact same chipset, they will generally show up as the same name, with possibly a different revision in lspci. Normally this is not an issue if you have a server with 4 NICs, generally the eth0 to eth3 appears from left to the right (or right to left on some vendors) so it doesn't take much figuring out. Generally if you have different chipsets for different NICs, it should be easy to know which one is eth0 or the first NIC in the OS.........
  • Thunderbird Attachment Download Error Corrupt Wrong filesize of 29 or 27 bytes Solution


    This is an ongoing issue even with the latest Thunderbird 102.x where attachments downloaded via IMAP just won't save or will be corrupt which is a huge interruption to workflow or if you come back later to find out the file you thought you saved is invalid/corrupt and you have perhaps deleted the e-mail. How to solve the Thunderbird filesize attachment issue? 1. Click on "Settings". then go to "General". 2. Scroll to the bottom to find "Conf........
  • Cisco UC CME How To Enable Licensed Features


    Router#show license Index 1 Feature: ipbasek9 Period left: Life time License Type: Permanent License State: Active, In Use License Count: Non-Counted Lic........
  • from pip._internal.cli.main import main File "/usr/local/lib/python3.5/dist-packages/pip/_internal/cli/main.py", line 60 sys.stderr.write(f"ERROR: {exc}") from pip._internal.cli.main import main File "/usr/local/lib/python3.5/dist-packag


    Solution for python pip3 not working anymore from pip._internal.cli.main import main File "/usr/local/lib/python3.5/dist-packages/pip/_internal/cli/main.py", line 60 sys.stderr.write(f"ERROR: {exc}") wget https://bootstrap.pypa.io/pip/3.5/get-pip.py python3 get-pip.py DEPRECATION: Python 3.5 reached the end of its life on September 13th, 20........
  • ModuleNotFoundError: No module named 'pip._internal' solution python


    pip3 install requests Traceback (most recent call last): File "/home/user/.local/bin/pip3", line 7, in from pip._internal.cli.main import main ModuleNotFoundError: No module named 'pip._internal' As a quick and temp fix call the OS installed python and not the user .local/bin installed pip3 /usr/bin/pip3 install requests Collecting requests Cache e........
  • Cisco Switch / Router How To Restore Factory Default Settings


    1.) Make sure your conf register is 0x2102 Do show version and at the very end of the output you will see the Configuration register. show version Configuration register is 0x2102 If the config register is not 0x2102 then enter this command: r1#configure terminal r1(config)#config-register 0x2102 r1(config)#end 2.) Let's Erase the NVRAM/flash........
  • How To Install convert MBR Legacy booting GRUB to EFI from a non-EFI Linux Environment Ubuntu Mint Debian


    1.) Create your EFI/ESP Partition If you happen to have some free space on the drive already then this is easy, just create a new partition of at least 100M. The nice thing about the EFI spec is that it must just be in the first 2.2TB of space so for most users, it means you can simply resize the last partition(downsize it by 100M) and then add an EFI partition at the end. For example if you had this partition scheme: /dev/sda1 = /........
  • Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist Solution for Centos8 yum package install error


    Are you getting this error in CentOS 8 when trying to use yum to install a package? Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist What we need to do is not use the automatic mirror list and manually set the base URL Solution sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS* sed -i 's%#baseurl=http://mirror.centos.org%baseurl=........
  • Linux Mint Ubuntu Ubiquity Installer Bug EFI Installed To Wrong Partition Solution


    Just an FYI that the installer ignores your selection of Boot Loader, as it was intended for MBR/Legacy. The installer horribly, even when choosing "Something Else" and manually partitioning and creating an EFIin your install drive, will still install grub to the first EFI partition it finds, even if you are following a guide like this to avoid wiping out the M........
  • i915 nouveau Nvidia GPU not starting lightdm Xorg failing solution for Could not determine valid watermarks for inherited state


    It may appear to be an Xorg or lightdm/gdm/mdm error but in reality for many users with this issue, it's a driver conflict and issue. I had a system that had two GPUs, an Intel and Nvidia GPU. The only thing that got it working was to remove the nouveau driver and blacklist it so it never came back, then the Intel GPU works fine without these issues. Solution sudo rmmod nouveau add nouveau/other driver to blacklist edit th........
  • amdgpu AMD GPU Xorg Won't Start [3576284.324] (EE) Segmentation fault at address 0x0 [3576284.325] (EE) Fatal server error: [3576284.325] (EE) Caught signal 11 (Segmentation fault). Server aborting


    Here is how Ifixed it on a Mint/Ubuntu install 1.) First download the latest AMDGPU-Pro driver from here: https://www.amd.com/en/support Navigate to your relevant video card: 2.) Download the installer One issue is that by default they give you a version for the latest version of........
  • /var/log/journal huge/too large solution in Debian Mint Ubuntu Linux Howot Fix


    Is your /var/log/journal overweight and bloated? For example a decent install of Debian 11 with most applications and services ends up being about 4.9G with the journal taking a few gigs. du -hs /var/log/journal/ 1.3G /var/log/journal/ By default in a lot of distributions there is no maximum size so it will keep growing. This is especially problematic for embedded distributions and devices, but is also a huge waste of sp........
  • How To Tell Which Repository a Package Comes From Debian Mint Ubuntu


    Just use apt-cache policy to find the repo of a package: apt-cache policy lxd lxd: Installed: 3.0.3-0ubuntu1~18.04.2 Candidate: 3.0.3-0ubuntu1~18.04.2 Version table: *** 3.0.3-0ubuntu1~18.04.2 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages &nb........
  • How To Reload All Kernel Modules And List Required Moduels for Each Device - Linux Mint Debian Ubuntu Troubleshooting


    One easy way is to use lspci -k like this: sudo lspci -k|grep modules|sort -nr|uniq Kernel modules: snd_hda_intel Kernel modules: shpchp Kernel modules: pata_acpi Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia Kernel modules: mei_me Kernel modules: lpc_ich Kernel module........
  • LightDM Mint Ubuntu Debian won't start errors Nvidia Graphics


    This error implies that there may be an issue with Xorg or maybe your NVIDIA GPU cannot start or initialize: 35 laptop kernel: [ 2031.857704] nvidia: loading out-of-tree module taints kernel. 35 laptop kernel: [ 2031.857724] nvidia: module license 'NVIDIA' taints kernel. 35 laptop kernel: [ 2031.857725] Disabling lock debugging due to kernel taint 35 laptop kernel: [ 2031.873280] nvidia: module verification failed: signature a........
  • How To Do Linux Network Bonding Teaming in Mint Debian Ubuntu


    Bonding is an excellent way to get both increased redundancy and throughput. It is similar to the "Network Teaming" feature in Windows. There are a few different modes but we will use mode 6, I think it's the best of both worlds, as it is not just a failover, but it provides round robin, so you will get redundancy and load balancing. So if you have a 1G single port, you will have a combined throughput of 4G at this point. Just bear in mind that the true thr........
  • WARNING: Can't download daily.cvd from db.local.clamav.net freshclam clamav error solution


    freshclam ClamAV update process started at Sun Mar 20 00:30:50 2022 WARNING: Your ClamAV installation is OUTDATED! WARNING: Local version: 0.100.3 Recommended version: 0.103.5 DON'T PANIC! Read https://www.clamav.net/documents/upgrading-clamav main.cld is up to date (version: 62, sigs: 6647427, f-level: 90, builder: sigmgr) WARNING: getpatch: Can't download daily-26337.cdiff from db.local.clamav.net WARNING:........
  • Docker Tutorial HowTo Install Docker, Use and Create Docker Container Images Clustering Swarm Mode Monitoring Service Hosting Provider


    The Best Docker Tutorial for Beginners We quickly explain the basic Docker concepts and show you how to do the most common tasks from starting your first container, to making custom images, a Docker Swarm Cluster Tutorial, docker compose and Docker buildfiles.........
  • Proxmox Update Error https://enterprise.proxmox.com/debian/pve bullseye InRelease 401 Unauthorized [IP: 144.217.225.162 443]


    Are you getting this error in Proxmox while trying to apt update or install Ceph? apt update Hit:1 http://security.debian.org bullseye-security InRelease Err:2 https://enterprise.proxmox.com/debian/pve bullseye InRelease 401 Unauthorized [IP: 144.217.225.162 443] Hit:3 http://ftp.hk.debian.org/debian bullseye InRelease ........
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    How To Install Ceph If you stopped an install of Ceph midway you will need to manually restart it with "pveceph install" Remember that your VM needs to have working internet (gateway) and DNS in order to connect to the apt repo to download all of the packages that Ceph requires. Remember to repeat these steps for each node that you want Ceph on. ........
  • Virtualbox VBOX How To Install Guest-Utils/GuestUtils so drag and drop and clipboard works Ubuntu Mint Debian Linux


    Just install these packages and restart the VM: 1.) Enable guest-utils on the host side: sudo apt install virtualbox-guest-utils virtualbox-guest-x11 2.) Enable guest editions on the VMside This must be done for each VM that you want to have the guest additons for accelerated GPU performance and for drag and drop/clipboard sharing First insert the Guest Addtions CD image........
  • How to install Kubernetes with microk8s and deploy apps on Debian/Mint/Ubuntu Linux


    Kubernetes Easy Beginners Tutorial/Architecture Guide Kubernetes is known as container orchestration and we should start at explaining the container part of it. A Container is what runs the actual application and based on an Image, and are more comparable to something like an LXC Container, Virtuozzo/OpenVZ using the Linux Kernel Namespaces feature. Containers run these images as independent, isolated operating environments under the O........
  • Cisco Router Password Reset Howto Guide Solution Cannot Login /Unknown Enable Password 2600, 2800, 2900, 3900


    It is common that you may get access to undocumented equipment and need to reset the password. This applies to many Cisco routers whether 2600, 2900, 3900 etc... Cisco's Guide says to hit Ctrl +Pause/Break but if it doesn't work on some devices causing people to say "cisco password reset pause break does not work", you can see Cisco's alternative key combinations here:........
  • How To Resize, Reduce a Video to a Specific Size and Quality Ubuntu Linux using ffmpeg


    This is a common issue when e-mailing or uploading video files. One note is that you should make the filesize you choose below about 20% smaller than you need. For example I took a 219MB video and told it to be 20M. The resulting file was still about 21.9M but it was OK when I said 18M and was barely below the 20M size. ffmpeg is our friend here, just use this command: Change the -fs 100Mto the size you want eg. 20M, 500M Chan........
  • Linux can't boot/grub boot loader screen with no options solution


    Usually if you get the grub boot loader and it doesn't show any boot options, it's because grub was not installed correctly and/or the partition that it is supposed to be on has changed or does not exist. It can also happen if you install Linux to one drive, but the boot loader to another by accident, whether EFI or MBR/Legacy mode. You can normally fix your booting/bootloader/MBR/EFI it by chrooting into your root partition: #become root sudo su........
  • EFI PXE grub2 Howto guide for Linux EFI PXE Booting on Debian, Mint, Ubuntu, RHEL


    Just a quick note and warning is that if you are testing to see if EFIPXE booting works on a VM, MAKE SURE it actually works. For example Iinitially tested using my Distro's QEMU 2.5+dfsg-5ubuntu10.46 and ovmf BIOS firmware (OVMF supports EFI). However, I found on old versions of QEMU (like 2.5), EFIbooting with GRUB NEVER works so it may appear that you have made a mistake when everything is fine when you boot a physi........
  • Linux Grub not booting the intended kernel solution in Debian, Mint, Ubuntu how to specify which kernel to boot by default


    Traditionally kernels were numbered starting from 0 but by default the "new style" of grub boot loading considers each subkernel item to be different so if you have 3 entries for 4.40-148 rather than counting for 1. To get the expected behavior let's show this example and how we can boot it We do a grep on menuentry in /boot/grub/grub.cfg to see all of the bootable kernels rather than scrolling through loads of extra entries we don't care about (thou........
  • QEMU KVM Keyboard Problems Not Working Right Repeating Characters, Ctrl+C Copy and Paste not working right when using PS2 mouse in guests Solution


    It seems that QEMU/KVM's default PS2 mouse and keyboard doesn't work right in most cases. I have especially observed issues using Ctrl+C and Ctrl+V and in Linux you may see repeated key presses in the terminal and you will wonder why you copied something and it's not in the clipboard when you try to paste. The way to temporarily fix it is to press the key that is repeating once(works in Linux but not really in Windows). Sometimes when moving your mouse it will also s........
  • Mikrotik RouterOS CHR/ISO Basic and Quick Setup Howto Guide


    Many people may not be aware that you can turn commodity hardware into a Mikrotik OS and there are various options which is "CHR" (Cloud Hosted Router) which is a VMimage meant for Virtualization only (seriously, I've tried to dd the image to a physical server and it just crashed as it does not contain any drivers for physical). One note as well if you are trying to do a baremetal install you may get an error "Error Loading Operating System" or........
  • CentOS 7 8 PXEBoot Netinstall Not Working Solution "Pane is dead "new value non-exisetnt xfs filesystem is not valid as a default fs type"


    The problem seems to be that whatever kernel and initrd you have is tied to an old version of CentOS 7 that is no longer in the current repos of most mirrors. If you were previously able to PXEboot and install CentOS and you are sure your network and tftp are good the problem is that you have an outdated kernel and initramfs that point to a defunct version.........
  • CentOS 7 8 yum error Trying other mirror. To address this issue please refer to the below wiki article


    The below appears at first to be a bad mirror DNS error, but if you've ruled that out you just need to clear your broken yum cache and things will be good. yum update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.01link.hk * extras: centos.01link.hk * updates: centos.01link.hk http://mirror.worria.com/centos/7.8.2003/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not........
  • Scanner not working in Linux Ubuntu Fedora Mint Debian over the network? Use sane-airscan!


    I have a Canon MF642c and the scanner wouldn't work. I tried to use saned but it didn't work with the BJNPlike it did for some other Canon models. Introducing sane-airscan with packages for the most common distributions: https://software.opensuse.org/download.html?project=home%3Apzz&package=sane-airscan http........
  • How To Boot, Install and Run Windows 2000 on QEMU-KVM


    Interestingly enough Windows 2000 works fine on QEMU 64-bit but you have to specify Pentium as your CPU otherwise it doesn't complete the install (it will not pass the detecting/setting up devices phase). -vga cirrus is wise because it is supported by Windows 2000 and allows higher resolutions and 24-bit color. -cpu Pentium emulates an old computer and is necessary for install to complete -device rtl8139 is important as this oldschool Realtek 8139 NIC is supported by W........
  • bash cannot execute permission denied


    $ ./test.sh bash: ./test.sh: Permission denied This happens normally because you are on a partition that was mounted as "user" and without the exec option. Also be sure to add exec at the end so no other options set noexec. Change your fstab or add exec to your mount options: /dev/md127 /mnt/md127 ext4 auto,nofail,noatime,rw,user,exec 0 0 ........
  • Huion and Wacom Tablets How To Install in Linux Mint / Ubuntu and make the stylus work properly


    It took a lot of fiddling to make a Huion Kamvas 13 Pro work in Linux but it simple once you know what to do. Don't bother searching as it is unlkely there is a guide out there that will actually make your tablet work. It mainly comes down to the fact that the hid_uclogic kernel module is buggy or doesn't support MANYof these wacom based/Huion tablets properly. What was happening with me is that Ihad the Kamvas 13 Huion setup as a secondary screen/monitor.&nb........
  • mencoder instead of ffmpeg to join or concatenate video files with different audio streams


    The problem for me is that Ihad two videos with different types of audio streams. ffmpeg would join them but they would not play past the point of the join. So Iused mencoder like below and it joined the audio and made them both mp3 streams and it worked! -oac mp3lame specifies the audio to be convered into an mp3 stream using the lame codec. after the oac the two files are the ones to be joined. the -o is the name of the outp........
  • How To Replace Audio Track of Video using ffmpeg


    A very common use case is that you don't want to waste time using a video editor that requires you to open it up and manually import the video clip and audio clip, then manually delete the old audio track and import the video and new audio. That's too much work and time since we don't want to go through the hassle. ffmpeg is our solution, all we have to do is specify 3 variables and we're done! -i Windows2019-Server-Noaudio.mp4 is our in........
  • Linux Mint Dual Boot Install Avoid Wiping our your Main C: drive /dev/sda MBR and EFI


    Before you try to install and dual boot it is very important to understand the concept of "what boot mode your BIOS is in" and "what mode you booted the installer to". Then follow the example of Linux Mint (but most Linux installers are very similar)to carefully understand WHERE you are installing your Boot Loader to whether that be MBR or EFI. How Am IBooted? First it's important to check your BIOS to see........
  • apcupsd how to setup and monitor APC UPS units


    It really seems limited in that it can mainly give you the things you would see on the physical unit such as load etc.. wget https://downloads.sourceforge.net/project/apcupsd/apcupsd%20-%20Stable/3.14.14/apcupsd-3.14.14.tar.gz?r=https%3A%2F%2Fsourceforge.net%2Fprojects%2Fapcupsd%2Ffiles%2Flatest%2Fdownload&ts=1598115866 tar -zxvf apcupsd-3.14.14.tar.gz cd apcupsd-3.14.14 [root@somebox apcupsd-3.14.14]# ./conf........
  • How To Password Reset, Recover, Bypass, Remove and Unlock on Windows 10,8,7,Vista,XP,NT,2000,2003,2008,2012,2016,2019 Administrative Login Programs


    If you've come here, don't be embarraassed, working in IT, this is the MOST common computer problem that almost everyone will encounter. The reason why I'm doing this post is because I've seen an increase from colleagues and admins having this problem and many times it's not even your fault. A common scenario is that someone acquires a new or used computer which they weren't given the password for. Fortunately Ihave a detailed list of all the options whether free or pa........
  • Linux Ubuntu Wifi Disabled Only Works When Laptop Plugged Into Wall AC Power


    This is very frustrating but the fix is usually easy once you read this blog. It's very frustrating when you find that your Linux / Ubuntu laptop's wifi will NEVER work unless it is plugged into the power. The wifi menu may say "Wifi disabled by hardware switch". You may find that your laptop has no switch or has a function wifi button on the keyboard but this does not work or have any effect. The cause is usual a "wmi" kernel module and simply doing an........
  • CentOS 6 impossible to compile a newer libguestfs


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