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Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Cannot get Amplify to monitor MariaDB/mysql. amplify.agent.common.errors.AmplifySubprocessError

I am trying to get amplify to monitor mysql database on ubuntu server 20.04 running on a raspberry pi 4. …
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Cannot get Amplify to monitor MariaDB/mysql. amplify.agent.common.errors.AmplifySubprocessError

To fix this and get MariaDB showing up in Amplify, I did the following: systemctl status mariadb ● mariadb.service - MariaDB 10.10.3 database server Loaded: loaded (/lib/systemd/system/mariadb.servic …
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1 vote
0 answers
676 views

Nginx Error logs: [error] open() "/etc/nginx/html/status/" failed (2: No such file or direct...

I am running an Ubuntu based LEMP server with the Nginx's google pagespeed, fastcgi, and modsecurity modules active. …
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0 votes
0 answers
140 views

Attaching Public IP address to VNIC in Oracle Cloud instance running Ubuntu 20.04 server

I am running Ubuntu Server 20.04 on an oracle cloud instance. … In Ubuntu, When I type ip a it returns the following (showing only my private Oracle IP attached to the VNIC): 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc pfifo_fast state UP group default …
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0 votes
0 answers
10 views

Nginx Amplify "Regex location has no anchors in regex pattern". How to fix corresponding lin...

add_header X-Content-Type-Options "nosniff" always; # Referrer Policy #add_header Referrer-Policy "strict-origin"; # https://gabriel.nu/tutorials/Ubuntu-20.04-NGINX-LEMP-secure-web-server-for-WordPress-DIY.html … # https://www.linuxbabe.com/ubuntu/install-wordpress-ubuntu-20-04-nginx-mariadb-php7-4-lemp # https://security.stackexchange.com/questions/166024/does-the-x-permitted-cross-domain-policies-header-have-any-benefit-for-my-websit …
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0 votes
1 answer
12 views

Nginx emergency: cannot load certificate "/etc/letsencrypt/live/mail.example.com/fullchain.p...

I am running a LEMP email/web server with Ubuntu 20.04. My Nginx user is www-data. I also have roundcube installed in /var/www/roundcube. …
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2 votes
3 answers
284 views

nmap vulnerability scan reports " smtps on port 465 ssl-dh-params" vulnerability, on Ubuntu ...

I am running an Ubuntu 20.04 LEMP (Linux, Nginx, MariaDb, PHP) email/web server. I am also doing some nmap vulnerability tests form my MacOS Client machine. On MacOS, I am using Oh My Zsh! … My question is, what does this vulnerability mean, what process is using it, and how can I mitigate this vulnerability on my Ubuntu 20.04 server, without disabling port 456? …
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1 vote
1 answer
6 views

MariaDB / MySql Warning after Netdata installation. "Access denied for user 'netdata'@'local...

I have configured Netdata on an Ubuntu 20.04 Server LEMP server, according to this Linuxbabe.com tutorial. …
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1 vote
1 answer
129 views

Nginx error logs: what does "pagespeed: rollback gzip, explicit configuration in /etc/nginx/...

I am running an Ubuntu 20.04 LEMP server with the pagespeed and brotli module for Nginx. …
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1 vote
1 answer
9 views

Difference between 3 similar Nginx Location Directives provided in three separate tutorials ...

I have set up an Ubuntu 20.04 LEMP server with Wordpress, and am used some tutorials to help me configure Nginx. … As of now, I have things functioning flawlessly, but in multiple Ubuntu "LEMP Server + Wordpress" tutorials, I noticed a single inconsistency in Nginx location block directives, and would like an explanation …
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0 votes
0 answers
58 views

cron / crontab : auto delete oldest backup files when new files get backed up, only if disk ...

I am using crontab (on Ubuntu Server 20.04) to automatically create daily backups of a text file and storing them on an external hard drive. …
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0 votes
0 answers
39 views

Nginx Pagespeed Module: What is "Ngx_pagespeed Slow write operation on file /usr/share/nginx...

I am running an Ubuntu 20.04 LEMP server with the pagespeed module for Nginx in a business environment. …
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  • 83
0 votes
2 answers
80 views

nmap vuln script detects vulnerability "Apache byterange filter DoS http-vuln-cve2011-3192" ...

I am running an Ubuntu 20.04 LEMP (Linux, Nginx, MariaDb, PHP) webserver. I am also doing some nmap vulnerability tests form my MacOS Client machine. On MacOS, I am using Oh My Zsh! … To do some vulnerability tests on my Ubuntu Server from my MacOS client machine, I issued the command: nmap_check_for_vulns my.server.ip.address which is an alias command for nmap --script=vuln After …
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0 votes
0 answers
614 views

Maria Database (Mariadb) - Aborted connection to db: 'unconnected' user: 'unathenticated' ho...

I am running an Ubuntu based LEMP mail/web server, using MariaDB. …
DanRan's user avatar
  • 83
0 votes
0 answers
17 views

Block all IP's except HOME IP in Nginx Netdata virtual host file on Ubuntu Server 20.04

I'm running Ubuntu Server 20.04, and have successfully set up netdata. …
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