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Questions tagged [ubuntu-20.04]

Ubuntu 20.04, named "Focal Fossa" is a Long Term Support release of Ubuntu Linux (released on April 23rd, 2020). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

Ubuntu 20.04 - named "Focal Fossa" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 23rd, 2020, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Cloud, and Ubuntu Core. Only use this tag if your question is version-specific. Note that the Ask Ubuntu site is specifically dedicated to Ubuntu questions.

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How do I block incoming traffic from Google Cloud IPs?

I'd like to block ALL incoming traffic from Google Cloud IPs. I don't know how to do this, and I don't know how to know what the Google Cloud IPs are. I have a dedicated server running Ubuntu 20.04 LTS. Is there a way to do these? Thanks.
Nigro
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pcs creating cluster fails because of unknown hosts

I am following several tutorials now and all of them have such steps -- authenticate given hosts in pcs and then create cluster. Yet in my case the first step (authenticating) works while the second does not with error stating the hosts are not…
astrowalker
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Is it Safe to Use "ufw allow from xx.xx.xx.xx" Command for IP Addresses Which are Faced With UFW_BLOCK?

I have UFW opened on my database servers and I have seen a lot of UFW_BLOCK logs. Is it safe or right to use "ufw allow from xx.xx.xx.xx" and "ufw allow to xx.xx.xx.xx" command for all IP addresses which are blocked? I have allowed blocked IP…
TarabydaVllasıCafcaflıAtArabsı
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Routing from private interface to public interface

Our server has two interface, one for connecting through internet and the other for internal network. 172.20.54.10 -> Interface with static ip for connecting through internet 10.1.1.1 -> Internal network The following configurations is seen $…
mahmood
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Ubuntu Server 20.04: IP address in use

I have a bare metal dedicated server with a UK hosting company. They have an automated system which keeps blocking my server because they claim that I am using an unauthorised IP address. The IP address which they claim my server is trying to bind…
user1022788
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Ethernet (wired connection) is Unreachable in Ubuntu 20.04

I have Ubuntu server where I have configured the static IP it was pinging and able to update and use internet and able to connect through ssh. but after the shutdown because of power failure. I was not able to ping and unable to use ssh. When I…
bishnu
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Using setuid in a Shell Script on Ubuntu 20.04

So I have a Laravel PHP app on Nginx on Ubuntu 20.04. I have a simple deploy.sh script that will: Put Laravel into maintenance mode, so it returns a 503 error if anyone visits the site Pulls down the current source from github using a read-only…
user621861
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Ubuntu keeps mounting as a read-only file system

My local work server went off after a series of powercuts, since then the filesystem is always mounted as a read-only file system. I have tried running fsck to fix the failed file system but after a while, it reverts back to read-only. I am running…
tensor
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IP/DNS inaccessible after IP address changed for Wordpress on Ubuntu VPS

I deployed a website on a VPS with AWS Lightsail. Everything was working fine until I got an issue that made me restart the server. The IP has changed. And now it redirects to the old IP when I get to the new one. Can anyone tell me where and how I…
Nelwep
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iptables not allowing HTTP traffic

I have some issues that I am trying to troubleshoot with an iptables rules. When I run the below and try to test out connecting to Git via Curl got Git CLI the connection hangs. The problem seems to be limited to HTTPS as when I allow HTTPS via ufw…
3therk1ll
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I can´t redirect HTTP to HTTPS in my Apache server proxy

(Sorry for my bad english) Hi, i know that this is not the first question about redirect to a secure conection in a proxy server but i have no ideas how to resolv it. this is my config ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog…
Camilo Fuentes
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phpmyadmin error 502 Bad Gateway on nginex

i just installed phpmyadmin on my ubuntu 20.04 server but when I try to go to the site I have a 502 bad gateway error ... here is what I have in my LOG file : 2021/02/05 14:43:33 [crit] 662288#662288: *1 connect() to unix:/run/php/php-fpm.pid failed…
hari
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Libvirt VM Networking fails to start up after upgrading host from Ubuntu 18.04 to 20.04

I upgraded a server from 18.04 to 20.04. I am using libvirt/kvm to host a number of VMs. Some of the VMs failed to reconnect to the network after the upgrade. Two VMs in question run Ubuntu 18.04 and Centos 7 and both fail to start up networking…
Ries
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Can't initialize Redis as a systemd service (supervised systemd) on Ubuntu Server 20.04.2

On Ubuntu Server 20.04, Redis (5.0.7) doesn't start after setting supervised systemd on /etc/redis/redis.conf, but no error is printed when running it manually with /usr/bin/redis-server /etc/redis/redis.conf. Also, when running manually, its…
Paulo Coghi
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iptables rules blocking all inbound traffic

Whilst setting up a VPS (specifically the firewall rules), I came across this article on using iptables to mitigate against DDOS attacks. I've seen this article referenced in a few places around the web so I tried implementing the rules as it…
BungleBonce
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