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Questions tagged [ubuntu-22.04]

Ubuntu 22.04, named "Jammy Jellyfish" is a Long Term Support release of Ubuntu Linux (released on April 21st, 2022). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Website is accessible using IP address, fails using domain name [closed]

I have domain mnk.ordermatix.com, IP address 103.90.249.92. From the Internet, I cannot open mnk.ordermatix.com in a browser, however using IP address works. From the web server locally using lynx, ...
babe olin's user avatar
1 vote
1 answer
91 views

Ubuntu 22.04 Set up net plan with multiple network interfaces only works with both default routes

I'm setting up a server with 2 network interfaces, I want the main network interface to be the default one to be used, and only use the other for 3 very specific subnets. However, when I configure the ...
Gilles Lesire's user avatar
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0 answers
55 views

How to diagnose slow ssh with OpenStack floating IP

I run VPS instances created with OpenStack hosted by a major provider. When I ssh from machine1 in the LAN to a machine2 or local IP address, the connection is immediate and always fast. With ssh from ...
TonyG's user avatar
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1 answer
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Memory cgroup out of memory: Killed process 10622 (unbound) total-vm:325984kB, anon-rss:319528kB, file-rss:0kB, shmem-rss:0kB, UID:1000 pgtables:672kB

im seeing the following errors in /var/log/kern.log and im trying to figure out which container it relates too, any idea how i might do this? May 22 02:54:57 docker-02 kernel: [ 235.238815] Memory ...
daNutz's user avatar
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1 answer
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Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 error on 5.15.0-1032-realtime

I am trying to isolate cores on an ARM64 Ampere (Supermicro) for real time workloads. When running workloads with RT prios I see the below error. I am not sure whats going wrong in this moment. I am ...
ninjab3s's user avatar
0 votes
0 answers
14 views

Too many inodes in /var/lib/apache2/fcgid/sock

In my Ubuntu 22.04 system, with apache 2.4.52 running, Apache2 is generating too many inodes: root@m1:/var/lib/apache2/fcgid/sock# ls | wc -l 816320 I'd like to ask whether it is safe to rm these ...
Duong Thi Que's user avatar
0 votes
1 answer
89 views

How Linux processes and modules choose numa node

I have a Ubuntu 22.04 server which is numa enabled node with 4 nodes. Comparatively other nodes, memory usage is high on node0. I noticed this contains most of the system binaries, services and ...
Rama's user avatar
  • 87
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0 answers
20 views

Using Titan key to initial disk decrypt in Ubuntu 22.04

I'm trying to configure my Titan key to initial decrypt of hard disk (as an alternative to password). I'm following the tutorial in Unlocking LUKS2 volumes with TPM2, FIDO2, PKCS#11 Security Hardware ...
Sourcerer's user avatar
  • 101
1 vote
1 answer
277 views

Ubuntu Static Public IP not working (22.04)

We are trying to install a Machine with Ubuntu Server 22.04 in a Data Centre. The DC Host told us these public IP Addresses: IPv4 Net: XXX.XXX.XXX.160/29 Gateway: XXX.XXX.XXX.161 (The X's are the ...
jovan's user avatar
  • 113
-1 votes
1 answer
29 views

Server not accessible from different networks

A few days ago we moved several domains to a more powerful server hosted by one of the largest German hosters. Since the move, we have 20% less traffic. Some customers report that they receive an ...
Phil795's user avatar
  • 109
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0 answers
68 views

SCAP Compliance Checker 5.9 - Unable to load Ubuntu DIS STIG 22.04

I am trying to import/load DISA STIG Ubuntu 22.04 found on the STIG Library but it keeps giving out about the content type. https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CAN_Ubuntu_22-...
ninja_in_pjs_12's user avatar
0 votes
1 answer
119 views

ssh login to KVM guest created with cloud-init fails with 'Permission denied (publickey).'

My cloud-init user-data.yaml contains the id_rsa.pub from my desktop system. user-data.yaml looks like this: #cloud-config users: - name: bob ssh_authorized_keys: - ssh-rsa ...
mr.zog's user avatar
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0 answers
114 views

How to safely fix and migrate pip3 packages installed and run using sudo/root/local users to a safe pip3 virtual environment (venv)?

I am running an Ubuntu 22.04 Lemp Server, and I'm not sure I fully understand pip3 and how it works. When installing certain python3-pip packages, some of them required being installed and run as root ...
DanRan's user avatar
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0 answers
93 views

How can I limit resources for non root users using CGroups V2 on Ubuntu 22.04?

Currently, I'm limiting the CPU and Memory for different non-root users in my software via Cgroups v1 in Ubuntu 20.04. I want to upgrade my software to Ubuntu 22.04. How can I safely move to that with ...
G. Raven's user avatar
-1 votes
1 answer
254 views

How can I get SSH to work?

My pc is running Lubuntu 20.04. I am trying to ssh to a raspberry pi 4 running Ubuntu Server 22.04. I have followed the setup instructions but see the following: ssh -v [email protected] OpenSSH_8....
user1759557's user avatar
0 votes
1 answer
131 views

Wireguard peer loses VPN IP address after connection, but stays connected to VPN server and can ping the server IP on Ubuntu Server. How to fix?

I am tunneling an Ubuntu 22.04 web server through a Wireguard VPN (as the vpn client), to another Ubuntu 22.04 Server as the Wireguard VPN Host (server). I have set up the Client/Server exactly ...
DanRan's user avatar
  • 93
0 votes
2 answers
107 views

Change netmask subnet on server due to reduced IP range allocation

I am running a few Ubuntu 22.04 servers, each with one IPv4 address configured. Currently with a /24 network allocation, the datacenter requested some IP's back, and now I am left with a /28, which is ...
Kaspar's user avatar
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1 vote
2 answers
139 views

apt-mirror is failing to read and use the http://archive.ubuntu.com/ubuntu/dists/jammy/Release file

I have a problem with apt-mirror. I am tying to set up an internal Ubuntu mirror for my company. My company using a Squid Proxy: internal IP 10.###.###.5:3128 Our proxy does not need a user/pass. I am ...
Richard E's user avatar
  • 131
1 vote
2 answers
706 views

nslookup returns SERVFAIL error from local DNS

I'm configuring Nginx and local DNS settings on Ubuntu 22.04. The DNS server running on Docker has an error. When resolving a domain name, the Docker DNS server returns, SERVFAIL. nslookup ns.main....
juanthehuman's user avatar
0 votes
0 answers
88 views

Ubuntu 22.04.1 php8.1 performance issues

I upgraded php from 5.4 (Centos) to 8.1 (Ubuntu22.04) and I noticed a big performance downgrade in php native calls such as php::date, php::sin etc. for example, php::strtotime that before took 2msec ...
Andrea's user avatar
  • 101
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0 answers
44 views

Keepalived pidof error

I have configured keepalived on 2 Ubuntu 22.04 machines and it all seems to be working. But in the status (systemctl status keepalived.service) I see some lines which concern me. Feb 28 09:36:28 host ...
Ronald's user avatar
  • 1
-2 votes
1 answer
236 views

WSL apt install jdk results in 404 Not Found [closed]

Windows 11 WSL. Installing JDK 11 results in the error: 404 not found. wsl> sudo apt install openjdk-11-jdk-headless Reading package lists... Done Building dependency tree... Done ...
eastwater's user avatar
  • 109
0 votes
1 answer
186 views

How do I increase Threads per core for an Ubuntu VM in VMware?

I recently purchased a VMware dedicated server and I created my first VPS on it with Ubuntu 22 server OS . Using lscpu in Ubuntu , I'm seeing the following : steam@steam:/root$ lscpu Architecture: ...
lostsoul6's user avatar
0 votes
0 answers
403 views

Disabling Password Login for Root User via PAM on Ubuntu Server

I have a Ubuntu Server (Ubuntu 22.04.3 LTS (GNU/Linux 5.15.0-1049-oracle aarch64) specfically), Where I am hosting a few projects, I am somewhat novice in the sysadmin space, but know some basics for ...
4g0tt3nSou1's user avatar
0 votes
1 answer
48 views

Jenkins / Docker scanning for docker port on multiple IP's

I've had a message from my host provider explaining that my server has been scanning other IP's belonging to them (the host provider, not my servers). The data they sent is this (and more for about a ...
webnoob's user avatar
  • 465
0 votes
0 answers
78 views

Need to enable restart button on GUI Ubuntu Server 22.04 + XFCE4 + sddm

Currently I have 2 users: root and gigi. gigi is not sudoer and cannot be, BUT, needs to have the possibility to reboot the server through 2 ways. 1º -> through terminal. I edited visudo and now I ...
ninjaspeed's user avatar
0 votes
0 answers
86 views

Reply on same interface from which the request came?

Virtual machine with two network interfaces. Both interfaces have a default gateway. One is connected to the Intranet. The other is connected to the Internet. ...
Qmails's user avatar
  • 41
0 votes
1 answer
222 views

VM behind nat on Proxmox cannot reach port from internal network

The issue is that I am able to reach port 25 from outside (public internet) to the specific machine in the local network behind NAT, but cannot reach to port 25 on public machine e.g. hotmail-com.olc....
EAK TEAM's user avatar
  • 103
0 votes
2 answers
440 views

Unable to ssh using ed22519, although both client and server support it

client & server OS/Version: Ubuntu 22.04.1 Logged in to the box via password, added my id_ed25519.pub to the user's authorized_keys. however it seems the server is refusing to accept the key. ...
Rulasmur's user avatar
1 vote
1 answer
200 views

Running hardened Ubuntu 22.04 desktop in an air gapped environment

I am trying to run Ubuntu 22.04 in an a semi Air Gapped environment. The OS has been hardened using CIS hardening. There is no direct connection to the internet, but there is a Nexus Repo server ...
PrestonDocks's user avatar
0 votes
3 answers
335 views

Postfix/Dovecot relay or proxy?

I'm trying to figure it out how to reverse proxy based on condition email servers or how to deal with sending/receiving emails from different servers on only 1 public IP address? My current ...
EAK TEAM's user avatar
  • 103
0 votes
0 answers
53 views

mariadb-connector-odbc v3.1.20 "t_nobigint" unit test fails for big endian

In mariadb-connector-odbc v3.1.20 under test/types.c, unit test t_nobigint fails for big endian s390x. I am pretty sure it's because of the way hex decimal(byte conversion) took place in big endian. I ...
shubham's user avatar
0 votes
0 answers
166 views

Create a Group RW-access for a KVM shared folder via virtiofs on Ubuntu Server 22

I have a folder /common on an Ubuntu Server 22 host which is RW accessible by all users in group users i.e. user alice (with uid 1000) is a member of users (with gid 12345) and has fuull RW access to /...
Cogicero's user avatar
  • 125
0 votes
1 answer
181 views

Why I'm getting these random [UFW BLOCK] requests in my syslogs?

I just noticed large numbers of these random requests getting blocked by UFW in my ubuntu server 22.04 9:34 AM [UFW BLOCK] IN=eno1 OUT= MAC=[MY_SERVER_MAC_ADDRESS] SRC=193.254.3.18 DST=[...
Sandeep Kumar's user avatar
0 votes
0 answers
73 views

Netplan persistency

I have a script that modified a lot of routes by using ip route and it also edits the netplan config in /etc/netplan. However I've noticed that when a ip link goes down temporarily and then up again ...
Andrew's user avatar
  • 21
0 votes
0 answers
101 views

Ubuntu Apache2 mod headers - not adding

I have an ubunutu server with apache2 server and I need to add a custom header to every request. This seems very straightforward, but it's not adding the header. I have enabled the module headers with ...
Hugo Delsing's user avatar
3 votes
2 answers
1k views

How to make sure installing updates using apt does not restart networking services?

I have an Ansible playbook that I use to configure new Linux VMs. I was recently building a new VM with Ubuntu 22.04. The playbook will write some configuration files related to networking and whatnot,...
Peter Walker's user avatar
1 vote
2 answers
286 views

NGINX BoringSSl HTTP3 ERR_CONNECTION_REFUSED

An ERR_CONNECTION_REFUSED error occurs in Google Chrome v.120 while trying to leverage HTTP/3 via Nginx 1.25.3 + BoringSSL. No errors, neither debug messages are found in logs while nginx-debug is on, ...
Petro Prots's user avatar
0 votes
1 answer
146 views

Install kubernetes on ubuntu server 22.4 with virtualbox

I have installed virtualbox on my windows laptop. And then I have installed ubuntu server 22.4. https://phoenixnap.com/kb/install-kubernetes-on-ubuntu I have followed that link mentioned above. here ...
bizimunda's user avatar
  • 101
0 votes
0 answers
177 views

Getting 404 error for apache `/server-status`

I was told that there's a way to enable a url called http://<your host>/server-status and that this page would show you some operational metrics of the apache service. But every time I visit ...
learningtech's user avatar
  • 7,539
3 votes
1 answer
512 views

How to share docker metrics with Prometheus using Ubuntu server Snap Docker Service

I am using Ubuntu server with a Docker Service installed from the Server Setup (snap) and Prometheus running in a docker container. Server: Distributor ID: Ubuntu Description: Ubuntu 22.04.3 LTS ...
Hagbart Celine's user avatar
0 votes
4 answers
8k views

Apache Upgrade to 2.4.58 on Ubuntu 22.04

I'm trying to upgrade apache from 2.4.52 to 2.4.58 on a droplet with Digital Ocean running Ubuntu 22.04. My upgrade path is: sudo apt update And then: sudo apt install apache But I get a message thats ...
SCMedia's user avatar
0 votes
0 answers
137 views

Why is my worker node kubelet service not starting?. kubelet[8094]: Insecure values: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256

Following Kelsey Hightower's KTHW on AWS EC2 instances and got to boot strapping the worker nodes and somehow kubelet seems to be fubarred. NOT USING KUBEADM or DOCKER. Getting the following error now....
twinone4478's user avatar
0 votes
0 answers
160 views

No network un ubuntu 22.04 after installing nVIDIA Quadro P400 card

I installed a P400 card to my server and internet connection dissapeared. If i take this card out and reboot everything works normally. Server recognizes network driver. I even updated kernel to 6.7 ...
McGalaxy's user avatar
0 votes
0 answers
393 views

Ubuntu 22.04: Restarting networking.service flushes IP address of an interface

I have migrated my App from Ubuntu 18.04 to 22.04, part of my app will take care of assigning IP to a network interface when it's set to run. Now, I encountered a situation where, when I restart the ...
RaGa__M's user avatar
  • 101
0 votes
0 answers
74 views

ZKP5803 POS58 printer failing ti print with "Filter failed" message in Ubuntu

I am trying to install a POS58 thermal printer ZKTeco ZKP5803 in a raspberry pi 4 running Ubuntu 22.04. I updated it into CUPS as a POS58 but when I send the print I get "Filter failed" ...
daniel castellanos's user avatar
0 votes
0 answers
104 views

Digital Ocean Droplet Crash after Resize. I am unable to figure out the issue

I am currently running an Apache2 web server with FastCGI Process Manager (PHP-FPM) on Ubuntu 22.04 at Digital Ocean. Recently, I wanted to add an additional website to the server. To do this, I ...
Dev Guy's user avatar
  • 127
0 votes
1 answer
153 views

Postfix to not delivery mail to domains using another mail server

I am configuring a hosting + mail setup. I have one server for hosting websites, and one for the smtp/imap/dovecat server. As far as I researched, the only reasonable way to allow my customers to have ...
Amauri Gabriel's user avatar
0 votes
2 answers
452 views

Opendkim can not find domain key (No such file or directory)

I am building a mailserver with postfix, dovecot and opendkim using Ubuntu 22 LTS. Everything worked fine in my dev environment (same setup as far as I checked), but when I deployed it live, opendkim ...
Amauri Gabriel's user avatar
2 votes
1 answer
994 views

Configuring 2nd and 3rd NIC on Ubuntu 22

I'm trying to install 2nd and 3rd NICs on a Ubunutu 22 VM running on VMWare. At first setup new VM with 1 NIC - that was successful and able to go out to internet: network ethernets: ens160:...
user212398's user avatar