Questions tagged [ubuntu]
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.
16,819 questions
2
votes
2
answers
477
views
System under memory pressure with high MemAvail
I am struggling with an issue which occurs about once a month. Basically we see low free memory, high avail memory and logs about memory pressure in syslog. System then becomes unresponsive and reboot ...
0
votes
1
answer
51
views
Authentication failure when trying to login with AD account (Ubuntu 20.04.6 LTS)
Successfully joined an Ubuntu machine to our domain using realmd.
Kerberos auth works, kinit [email protected] gives TGT.
getent passwd [email protected] and id [email protected] also successfully return user ...
0
votes
0
answers
41
views
Getting invalid url error on aws ec2 squid proxy
I'm trying to deploy a squid server onto my EC2 Instnace that will act as a forward proxy for traffic. The service runs fine, but I get the following error consistently.
</head><body id=...
1
vote
0
answers
134
views
What is being allowed and denied by ufw?
What is being allowed/denied for port 6443?:
$ sudo ufw status | grep 6443
6443/tcp ALLOW Anywhere
6443/tcp ALLOW 101.241.10.21
6443 ...
0
votes
2
answers
81
views
Installing PHP replacing version folder with another label
Every time I install php it creates a folder structure as:
/etc/php/8.3/apache2/php.ini
Instead of "8.3" I want to use a label as "installed" and have a folder structure as
/etc/...
1
vote
0
answers
34
views
Database connections prematurely dropped/stale after upgrading AWS EC2 instance
I encountered a strange problem with DB connections being prematurely dropped/stale after upgrading an EC2 instance for my web application.
I have a service VM hosting Spring Boot microservices, and ...
2
votes
1
answer
72
views
Failing using autoFS with windows server 2019
From Ubuntu Server 24.04LTS I am able to mount a Windows 2019 shared folder named:
//myserver.edu/wshared
which has "Encrypt data access" enabled at the windows server 2019 while using in ...
0
votes
1
answer
130
views
Ubuntu 25.04 as host and Windows 10 as guest on VirtualBox
I run Ubuntu 25.04. On it I gave Oracle VirtualBox 7.2.0.
I have a Windows 10 installation that used to work. (I think last time I tried it was when I was still using Ubuntu 24.10 and it was an older ...
2
votes
1
answer
321
views
Can't install a trusted certificate on Ubuntu 24.04 WSL
I exported a certificate ldap.cer from my Windows domain controller and followed this manual and on my Ubuntu 24.04 WSL:
sudo cp ldap.cer /usr/local/share/ca-certificates
sudo update-ca-certificates
...
1
vote
0
answers
88
views
Minikube on Docker driver enters unrecoverable state after power loss, all pods in Error/CrashLoopBackOff
I'm running Minikube v1.32.0 with the Docker driver on Ubuntu 22.04. My setup includes Kubeflow with multiple namespaces (kubeflow, istio-system, auth, etc.).
Problem Description
After unexpected ...
0
votes
0
answers
204
views
AWstats on Nginx with multiple virtual hosts
I got awstats set up on Ubuntu with Nginx, and it is now reading the log files and generating statistics. However it is combining multiple sites into one set of stats, even when using the ?domain.com ...
2
votes
1
answer
95
views
Which Linux distros need reboots the least frequent? [closed]
Which Linux distros need reboots the least frequent, are commonly available, and considered secure?
I like Ubuntu, but it requires reboot every two weeks.
1
vote
0
answers
34
views
Why polkit and pcscd drain memory in 24.04 Ubuntu server?
I have a VM with tomcat that uses a physical smartcard that is linked with PCSCD library.
This application works since few years without issue, but when I update Ubuntu server from 22.04.5 to 24.04.1 ...
2
votes
1
answer
71
views
Entra ID Users Not Mapping to Local Ubuntu Accounts via authd
I’m trying to integrate Ubuntu with Microsoft Entra ID using authd, but I can’t get cloud users to map to local Ubuntu 25.04 accounts.
Setup:
Ubuntu 25.04 with authd installed (latest version).
PAM ...
3
votes
0
answers
77
views
Nginx responds on private IP but not on public IP in AWS EC2
I have an Nginx server in EC2. It's in a VPC on a public subnet that's attached to an internet gateway. The security group is configured to allow traffic on port 80 and 443. The instance is running on ...