Questions tagged [server]

Questions related to Ubuntu Server, and server-related packages.

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No Internet Access After Updating From 18.04 LTS to 20.04 LTS

I recently updated to Ubuntu 20.04 LTS from the update prompt within 18.04 LTS. Everything seems fine afterward except that I've lost outside internet access. My interfaces are enabled and I'm able to ...
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Cannot install Ubuntu server on Gigabyte mini PC

I'm trying to install Ubuntu server on a used Gigabyte brand mini PC but I keep having issues. I got all the way to the end of the install, and then I get the Sorry, there was a problem completing the ...
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is “ssh to root user with key-based authentication” not secure?

Can anyone explain its vulnerabilities for me? in our case, we have some virtual machines and we want to remote access to them but we want harden them and secure ssh logins to them we ssh as root with ...
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Ubuntu server 16.04 - Setup static IP on independent network switch (No Internet Network switch)

Please consider this. Scenario: The Device I'm using has Ubuntu server 16.04 installed. It is connected to a NETGEAR network switch but it has no internet access. Tried: Case 1) In the /etc/network/...
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How to check user activity in hosting. Include: syntax, Which IP whose user run syntax, access from IP, edit file from IP. Extremly detail

I need method to check user acctivity in detail. So i want some advise from you. I want to check all user activity from specify IP. Including: syntax running, latest modified time, last edited file ...
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Iptables kicks me from the server, after 15 seconds, even thou I whitelisted my ip

Ubuntu 18 iptables v1.6.1 Full SSL To CF I have a small vps at OVH. I have port 80,443/TCP opened and I whitelisted my IP in OVH Firewall. I created these rules but I keep getting kicked so I know ...
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Persist NVIDIA X Server Settings

I have an X Server Configuration that I made using the NVIDIA X Server Settings application in Ubuntu 20.04.1 LTS x86_64 i.e.: The configuration is as follows: ~$ cat /etc/X11/xorg.conf # nvidia-...
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How to fix SQLSTATE[HY000] [2054] The server requested authentication method unknown to the client?

I am new to using Laravel, but I am trying to help someone put the finishing touches to their website. I am using MAMP to host the database that was created by someone else. However, whilst trying to ...
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Where do you get the latest nginx-extras? 1.16.1 is old?

Where do you get the latest nginx-extras? 1.16.1 is old?! What I have (on Ubuntu 18.04): /etc/apt/sources.list.d/nginx-ubuntu-stable-bionic.list deb http://ppa.launchpad.net/nginx/stable/ubuntu bionic ...
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Brand new network install of Ubuntu 16 Server does not boot

I have been trying to install some form of Ubuntu/Debian/Arch on this old computer of mine (DELL Dimension XPSB773r) for a while and yesterday I tried Ubuntu Server 16 and the network installation ...
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Mapping shared folder on ubuntu 18.04

Have created a folder on Ubuntu server and installed Samba and configured it. however everything was working fine (accessible via windows 10 with no problem) but once I have changed the server ip-...
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Linux/Ubuntu version of Mailwasher?

apologies for asking a generalised Linux question (not even flavour/version-specific), but there is a big user base out there, and I want to reach as many people as possible. And because Ubuntu is a ...
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Ubuntu20 apt update is not working [closed]

I install ubuntu 20 but apt update isn't working and apt-get it's working, we need how to works apt update.
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Ubuntu 20.04 Server ZFS on Root with /data pool

I have a system with 22 SSD drives. 2 of them are connected directly to the motherboard. 18 drives are connected to SAS3008 card. The goal is to install Ubuntu 20.04 LTS Server with root on ZFS. OS: ...
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30 views

very basic isc-dhcp server config issues

I hope someone can see what I'm missing here. Im currently trying to configure a offline lab and needing to have the main server provide DHCP. The main server is currently running Ubuntu 18.04 LTS. ...
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11 views

Ubuntu apache2 ip not found

I cannot access my web server through the browser on my local network. My IP is 192.168.178.192 but my browser can't find it. What I've done I installed Apache2 and I was able to visit my website. I ...
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49 views

MySQL not starting after installed on Ubuntu 18.04: Job for mysql.service failed because the control process exited with error code

I have a virtual root server with a freshly installed version of ubuntu-18.04-x86_64. I'm using root user access, if that matters. First, I ran sudo apt update, then sudo apt upgrade, then I rebooted ...
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22 views

What are u doing with Ubuntu server? [closed]

Title says it all !! What are u guys running on your home servers ?? I've currently got one server up running: Plex Webmin Nextcloud Samba Apache2 But I've build a second server and wanna tinker ...
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Ubuntu 20.04 LTS server cannot be ping after no operation for a while

My new server has installed Ubuntu 20.04 LTS without GUI. And we make it a Jupyter Server in our Local Area Network. All setups about Jupyter have done, and it works. But after no operation for a ...
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42 views

Port 80 forwarding on a broadband connection

We have an Ubuntu 20.04 server that connected to a broadband on enp1s0. We also have a security camera connected to the server on iface enp2s0. The camera has a gateway on 192.168.240.1 and serves its ...
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29 views

SSH won't accept password anymore for one user only

SSH has worked for me for a long time, but no longer. I cannot access my host via a password (hosted locally) in etc/ssh/sshd_config I have PermitRootLogin yes PasswordAuthentication yes port 22222 I ...
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1answer
29 views

How are the Ubuntu server preinstalled images resized to fit disk upon first boot?

could someone please shed some light on what service/script does the resizing of preinstalled images to fit disk after the very first boot? I will explore the inner workings myself, just need some ...
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17 views

Can't access my computer from port 443

I run a webserver off port 443 in Ubuntu 20.04 server. About 20 minutes ago, it just stopped working all by itself, I haven't touched the computer in days, and no one else has either. It was working ...
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17 views

Dead GRUB after upgrade on server 18.04

Per title, GRUB has suddenly gone dead. Normal boot gets the menu, but any selection goes to blank screen, no HDD activity. Editing ('e' key) making any changes, and hitting F10 goes to blank screen, ...
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45 views

DHCP not “working” for either Wifi or Ethernet. Works fine on static. 18.04

just as the title states. (I pretty much just use wifi so for this question I'll just use wifi as an example). I don't know what I did, but it was many moons ago. I messed up something on my ...
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25 views

Is it possible to point a domain to a home server with a dynamic IP? [closed]

I have recently purchased a domain name on Hostinger. Until now I was running a free domain on No-IP.com to point to my dynamic IP address. Is there any way to make my newly purchased domain to point ...
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1answer
42 views

ufw delete allow 'Nginx HTTP': Could not delete non-existent rule, but it does exist

I have successfully set up nginx using these instructions, but one part has never worked for me, and that bothers me even though it does not seem to cause an problems. root@devtest:/home/dev-admin# ...
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1answer
23 views

Can not access github.com [closed]

Today I ran into a very strange problem. I have a Ubuntu Server 20.04 with working internet connection. curl -I https://ubuntu.com HTTP/2 200 server: nginx/1.14.0 (Ubuntu) date: Sat, 17 Oct 2020 21:36:...
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23 views

From Ubuntu 18 to 20: Plex Media Server updates

I recently updated my NUC to 20.04. Since then I'm not able tu update my existing Plex Media Server using graphical UI. So, now, I have to use Terminal, but it's not so easy for me. Is there any way ...
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1answer
60 views

Securing a server web

I have a project focused on the securisation of a web architecture and I have different tasks to complete, one of which is indicated below : 2.2.3 For the web server The Linux web server is ...
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1answer
69 views

Ubuntu 20.04.1: How to remove Network file sharing location on Nautilus under other locations

I'm using Ubuntu 20.04.1 LTS, GNOME version 3.36.3 and I've mistakenly added two different links to the same server but I haven't been able to remove the other duplicate. Basically I struggled to link ...
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1answer
16 views

How to resolve outgoing random pings from my ubuntu 20.04 server?

I got a server from Leapswitch India and ask them to install Ubuntu 20.04 The server was suspended claiming that the bandwidth was consumed. After getting it up again by reinstalling server OS. I ...
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9 views

MQTT connection Refused time can't able to publish a message

Consider a situation where the MQTT server is down. And, with MQTT client you publish messages on to the topic, at this time it will throw connection refused exception. Later when the server is up, ...
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23 views

how do i enable ipv6 on ubuntu 18.04 lts and nginx ipv6?

when i run ifconfig i get the following $ ifconfig ... ... ... eth0 Link encap:Ethernet HWaddr a6:16:08:e6:c5:15 inet addr:191.168.1.59 Bcast:192.168.1.255 Mask:255.255.255.0 ...
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28 views

Can't connect to internet on Ubuntu Server

I'm new to linux / ubuntu, and I recently did a fresh install of Ubuntu server. I didn't select any network options during installation, and now I'm trying to connect with Ethernet. It won't ...
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1answer
56 views

How to safely create software RAID 1 in Ubuntu Server 20.04

a week ago installed Ubuntu Server 20.04 on laptop as dev server and decided to enable software RAID1 on it. Already put the second hdd into it and decided before going to break something to try this ...
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17 views

Cannot connect to database server Mysql Workbench Kubuntu

I installed MySQL Workbench in Kubuntu and when I try to enter the localhost connection I get this error: I have looked for other answers such as: Cannot connect to Database server (mysql workbench) ...
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1answer
63 views

Samba server not reading config file or config file incorrect

Running ubuntu 16.04. desktop. Samba installed and client is working as expected. Ubuntu can access the windows machines. The problem is the samba server does not seem to be working. I used the info ...
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1answer
17 views

how to get tar.tgz inside sub directory size without extract?

Iam able to get inside content from tar.tgz file without extract file. but file size is very high so can't extract it on server.i need to get all sub directory size human readable formate from tar.tgz ...
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18 views

debug1: Authentications that can continue: publickey,password

I am trying to connect AWS EC2 which is launch with .pem key, But when I am trying to connect it using pem it is asking for ubuntu user which is a EC2 user from AWS. Previously I was able to login ...
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37 views

Prevent 127.0.0.1 from going to proxy

I am relatively new to ubuntu except the basics. It appears there is a proxy that is blocking my access to 127.0.0.1:2020. Basically I have 2 apps trying to communicate with each other on the same ...
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1answer
32 views

Persist changes in multipass

I'm using Canonical's Multipass version 1.4.0 on Windows 10, version 1909 (64-bit). If I launch an Ubuntu instance and do some changes to it - say for instance, install some package using apt-get. How ...
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1answer
21 views

new homelab server: internal/external network is unreachable

I'm trying to setup a homelab on an HP Proliant ML10 that I've installed Ubuntu Server 20.04.1 on. I'm trying to get hooked up to the internet and my local network. I've installed net-tools via USB ...
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11 views

Unable to download packages after editing netplan

OS: Ubuntu Server 18.04 I am unable to download new packages: for example mysql or php after editing netplan file to: network: version: 2 renderer: networkd ethernets: ens33: addresses: ...
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Ubuntu server for begginer

I just joined this community I hope T will find help and assistance as a beginner in server setup. I set up my own Ubuntu server (20.04) and I upgraded it to desktop. My first project for testing is ...
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12 views

Installing Ubuntu server create problem in my Dell R540

My problem is that when i started install ubuntu server in my server machine(Dell R540), it starts showing me the problem that "there was a problem completing the installation" and it ...
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287 views

I need to have my ubuntu live server 18.04 VM autologin as a user, but I can't find anything about this that doesn't involve a desktop manager

How do I set this up? I have tried a lot of things but run into the same problem every time: I don't have a desktop manager. Is there a way to do this without one? If not, can I run a desktop manager ...
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12 views

Better practice:how to securely store private key on ubuntu 20.04 for application configuration?

I am working on setting up ubuntu servers which requires private keys in configuration file to launch the application. The configuration file is in plain text and is available to anyone who has the ...
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1answer
42 views

Enabling OpenLdap authentication in ubuntu 18.04

I am trying to enable LDAP authentication on my ubuntu client. So far I tried the following instructions: https://www.tecmint.com/configure-ldap-client-to-connect-external-authentication/ https://www....
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1answer
24 views

Process on port 80 blocking apache2 service

My apache2 had the following error: root@Aspire3:/etc/apache2# systemctl status apache2 ● apache2.service - The Apache HTTP Server Loaded: loaded (/lib/systemd/system/apache2.service; enabled; ...

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