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Questions tagged [ubuntu-18.04]

Ubuntu 18.04, named "Bionic Beaver" is a Long Term Support release of Ubuntu Linux (released on April 26th, 2018). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

Ubuntu 18.04 - named "Bionic Beaver" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 26th, 2018, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, 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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ZFS pool degraded on reboot

I have a Ubuntu server set up with a 14-disk ZFS raidz2 pool. About 80% of the time, on reboot, I will end up with a degraded pool with two of the disks marked as faulted. The drives that are faulted aren't always the same, but it is always exactly…
David Chappelle
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PHP 7.2.8 PDO Fails to Connect to MySQL 8.0.12 (GA) in AWS EC2 LEMP Stack

I'm testing a new LEMP webserver built with Ubuntu Server 18.04 LTS, NGINX 1.14, PHP 7.2.8, and MySQL 8.0.12. It is an AWS EC2 instance using the official Canonical AMI. Web and PHP work as intended aside from database connection. But I cannot…
HumanJHawkins
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MariaDB 10.8.3 in Docker: can't initialize timers

This error happens even after clearing the Docker image cache: $ docker run -it --rm mariadb:10.8.3 2022-06-15 11:28:14+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.8.3+maria~jammy started. 2022-06-15 11:28:14+00:00 [ERROR]…
Arno
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Will certbot actually renew my certificate?

Looking at /etc/cron.d/certbot, I don't think it will! That file includes the line: 0 */12 * * * root test -x /usr/bin/certbot -a \! -d /run/systemd/system && perl -e 'sleep int(rand(43200))' && certbot -q renew and, unless I'm reading it wrong,…
IpsRich
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Unable to compress 18GB file on Ubuntu Linux 18.04

It never happened to me before, but I'm unable to do a simple task such as compressing a 18.5 GB file on Ubuntu Linux 18.04 with any of the popular compressing tools such as gzip, bzip2 and 7z. All of them report a similar warning (not error)…
Claudi
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"Bad message" with a new SAN using multipath and iSCSI

I'm configuring a new SAN for a set of Ubuntu 18.04-based servers. Each of nodes can mount the ext4 formatted partition fine. Being new to both multipath and iSCSI, I'm not sure if what I'm seeing is "normal". I'm having two problems so far. When…
Ray
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Received 0 SUCCESS signal(s) out of 1. Unable to satisfy 100% MinSuccessfulInstancesPercent requirement

I am running this template in cloud formation to create auto scaling in ubuntu-18.04 machine and it will rollback the all instances automatically that is created by this template and giving such error like. Received 0 SUCCESS signal(s) out of 1.…
Shubham Kamboj
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What killed my tomcat service and how can I restart it automatically?

tomcat 9 with ubuntu 18.04. tomcat service status: ● tomcat.service - Tomcat 9 servlet container Loaded: loaded (/etc/systemd/system/tomcat.service; enabled; vendor preset: enabled) Active: failed (Result: signal) since Thu 2020-03-26 03:00:31…
Amos
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Debugging DNS Resolution Issue in Kubernetes

I have built a Kubernetes cluster using Kubespray on Ubuntu 18.04 and facing DNS issue so basically containers cannot communicate through their hostnames. Things that are working: containers communication through IP addresses internet is working…
laimison
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How to take backup of Windows server in Linux Server

we are using a Windows server as the main server in our organization. Now we need to take the backup of that windows server in a Linux machine. Backup is of two types incremental and full backup. Please, guys, suggest to me how can I set up…
John The Hacker
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Low CPU Utilisation But High CPU Load Wordpress Ubuntu Apache2

My Ubuntu 18.04 server with 2GB of RAM and 2 CPU cores experiences major CPU load spikes when someone accesses the Wordpress site that the computer serves. This slows down the website very much. Below is the output from a top command In the…
SidS
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Cannot ssh or ping hostname, but dig and nslookup work on Ubuntu 18.04

I updated my kernel this weekend, and now I'm using 5.3.1. christopher@HAL4:~$ uname -r 5.3.1-050301-generic I need to login to servers, but I cannot do so by hostname any longer. For example, I have a server, "web4," and it's local IP is…
DevOpsSauce
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How can I route traffic over IPSec tunnel?

I have two sites: MAIN (local subnet 192.168.0.0/24, external IP: M.M.M.M) and CLIENT (10.0.0.0/24, external IP: C.C.C.C). I created an IPSec tunnel between the sites and both sites can ping computers in both subnets. So far so good. # ipsec…
Michal B.
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Why FirewallD is not blocking IPs with 'reject' rules?

My setup is the follow: fail2ban with some jails (working fine) using FirewallD to block the caught IPs. Here is my default Firewall: myzone target: default icmp-block-inversion: no interfaces: sources: services: rcsa dhcpv6-client http…
acs-f
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Adding a whole IPv6 /64 block to a server using Netplan

I have read Adding a whole IPv6 /64 block to an network interface on debian We want to make use of the AnyIP feature to add a whole IPv6 /64 subnet block to a web hosting server but using Netplan because we are on Ubuntu 18.04 Side note: a couple of…
Jeroen Vermeulen - MageHost
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