How to Overcome a MYSQL Temporary Write File Failure

If you’re upgrading your website and you keep getting a “Temporary write file failure” when you run a website upgrade script and you know you did everything right, what can be done inside of your PHPmyAdmin MYSQL dashboard to make the upgrade script work? I’ve enabled necessary file permissions and the upgrade script is still saying I have a MYSQL temporary write file failure.

Anyone ever experience this before and overcame it? If so, what steps did you take to overcome it?

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Author: DNN

alt keys broken after upgrading from ubunutu 18.04 to 20.04

I recently upgraded to 20.04 LTS from 18.04 LTS and now both my left and right alt keys are not working when I try to use them for any keyboard shortcuts. I had no issues before upgrading. My keyboard is mapping hasn’t changed since the update (Macintosh UK).

Any help would be appreciated. Thanks in advance.

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Author: barnsley92

Can’t upgrade OS Install (MATE); How to solve, please?

I have seen similar issues but am not being able to quite solve the issue…

Probably easy I guess…

W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3

Appreciate a lot!

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Author: Risen

Backup and upgrade MongoDB databases

I have a web application using MongoDB (Version 2.6.12), hosted in a (Ubuntu 16.04) server of DigitalOcean.

I like to use Robo 3T to connect to the remote database and do simple queries.

Sometimes I backup the database with mongodump, and mostly rely on the weekly auto server snapshot provided by DigitalOcean.

Now, I need to undertake queries containing like $lookup, they told me that MongoDB Version 2.16.12 does not support that. So I need to seriously backup my database and use a more recent MongoDB. I still want to keep using Robo3T to do queries to production database (by preference) or backup database (if it is updated very often, e.g., every day).

I have several questions:

1) I would prefer to have a more regular auto-backup (e.g., every day) of the database. Which way is recommended? (Additionally, it seems that Atlas does NOT support Cloud Provider Snapshots for clusters served on DigitalOcean?)

2) If I buy a new server hosted on Azure and install MongoDB 4.2, and copy the whole database by mongodump to the new server, will it work?

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Author: SoftTimur

Install driver rtl8814au on ubuntu 20.04

Install driver rtl8814au on ubuntu 20.04

Based on this

Install driver rtl8814au on ubuntu 18.04

I installed manually (make && make install) the driver when I had the kernel

$ uname -r
5.4.0-26-generic

Now, ubuntu 20.04 wants to install the new one:

linux-image-5.4.0-29-generic

I did it before (upgrade the system then, the kernel) and the driver stopped to work, even I installed thousand times, was impossible to up the driver which logical name is “wlx50c4ddcf488e”.

The installation I made:

$ sudo apt install build-essential
$ sudo apt install bc
$ sudo apt install linux-headers-`uname -r`
$ sudo apt install git

$ git clone https://github.com/aircrack-ng/rtl8812au.git

$ cd rtl8812au
$ make && sudo make install

Does anyone has idea about what can I do? Now, I cannot upgrade my system without losing the wireless connection.

Thank a lot.

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Author: Ibringpies