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.
16,589
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2 Disks Suddenly Showing as Spares on Raid 5 Array
I have a raid5 array in a Seagate Blackarmor 440 nas that suddenly started showing disks 1 and 4 as "failed". I moved all of the drives over to a Ubuntu box and tried to assemble the array ...
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Websocket server - working for local connections but not remote?
I am running an embedded Jetty server on Ubuntu (22.04.3), listening to port 8734 (arbitrary number), and testing it with wscat.
The following command connects fine if run on the same machine:
wscat -...
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23
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Network error:kex_exchange_identification: read: Software caused connection abort banner exchange (SSH)
I met this issue while trying to clone a repo in a gitlab private server, so I added verbosity and tried to connect to it first here is the output
$ ssh -i test -T -vvvv [email protected]
...
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35
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Overwrote data on VPS Drive
I have a VPS 16 cores, 34 GB RAM and 2.5TB disk.
I misread the webui and instead of inserting my Ubuntu 5 GB ISO into the virtual CD drive, the system copied the files to the disk. Now the drive is ...
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Ubuntu 22.04 cloud-config autoinstall configuration not working for filesystem
Under Ubuntu 22.04, I am attempting to use the following for auto installation and it keeps saying that "autoinstall config did not create needed bootloader partition".
2024-04-16 00:25:19,...
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How to convert simpleproxy trace binary output to text
I have simpleproxy running on an Ubuntu server, but there are some issues with one of my proxies, so I restarted the proxy with the -rt flag to trace it & output to a file. The only issue is that ...
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1
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31
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Exim not authenticating for sending email
I have updated my Exim (on Directadmin) to version 4.97.1
In the process something went wrong and now i can't send e-mails any more.
I can receive email (remote and using LMTP with Dovecot).
Also i ...
- 169
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Intermittent "File not found." nginx php (solved)
When accessing certain paths to a web application I'm working on, I am intermittently getting a "File not found." error displaying in the browser that seems to come and go indiscriminately - ...
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1
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25
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Reducing root partition in VPS (Ubuntu 20.04)
I have a virtual server that does not have access to rescue mode I only have ssh access
My disk size is 100 GB, which is all allocated to the root partition when installing the operating system.
I ...
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19
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Getting an error message when trying to run apache2 on ubuntu
Hello i wanna run a server for my php application on apache2, but when i try to download apache2 like it sais on this website https://www.digitalocean.com/community/tutorials/how-to-install-lamp-stack-...
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Installed wrong drivers for Epson printer
I have a Kubuntu 22.04 and I had an existing Epson XP-235 printer already working fine with a Windows desktop.
I connected the Epson printer to Kubuntu, it was detected an provided a list of drivers. ...
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61
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Is there a free rocky linux monitoring tool? [closed]
I am currently looking for a tool to monitor the performance of two Rocky Linux desktop computers. It should monitor aspects such as the CPU, RAM, disk, and network usage (similar to the Windows Task ...
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1
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37
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the value of cpufreq-info -w and cpufreq-info -f are very different
Environment:
# uname -r
5.15.0-91-generic
# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 52 bits physical, 57 bits virtual
Byte Order: ...
- 111
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How can a folder size be greater than the actual disk capacity on Ubuntu?
So, a little background:
I have a 2TB hard disk that serves as a backup for files (ext4 formated)
The disk was reporting +90% used space, so I bought a 4TB disk
Formated the 4TB to LVM with ext4
My ...
- 1,066
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17
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Rsync to exfat external drive, quiet switch not working
I am attempting to use rsync to copy from my linux hard drive to an exfat external drive.
The working code to copy from ext4 to ext4 begins as: rsync -Razh
The code that I am attempting to use to copy ...
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61
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Radius Bulk CoA message to BNG Juniper
I am working in BNG implementation with Juniper MX960 and I am interested in Bulk CoA feature to address accumulation of a series of CoA requests and commits all of them together. But I don't find any ...
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Docker Ubuntu: Unable to Stream from Ethernet Camera
Background:
Hello all. I am attempting to solve a problem by placing complex systems within Docker containers. The platform hosting these containers has 6+ ethernet ports on NIC cards which are used ...
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1
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48
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I switched to the zabbly kernel for Ubuntu. Does it make sense to disable generic Ubuntu kernel updates?
I have been using the Zabbly kernel for Ubuntu 22.04.4 LTS for several months now and it works great but Ubuntu still wants to install its own, generic kernel and I don't want it.
Question one: does ...
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44
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How to install Debian 12 on OCI Bare Metal Instance?
I want to install Debian 12 on my OCI Bare Metal Instance. I succeeded in VM, but it didn't work on BM Instance.
I tried OCI Custom Images, Netboot.xyz. The BM Instance couldn't boot with OCI Custom ...
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41
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Zpool scrub won't resume after reboot
Linux Mint 21.3
Linux version 6.5.0-26-generic
zfs-2.2.3-0ofthesun1
zfs-kmod-2.2.0-0ubuntu1~23.10.2
I've set up the zpool just fine, put some data on it and started a scrub. While this was in ...
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26
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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 ...
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Unable to Boot when restore OS from Linode to Digital Ocean
I have done a process in creating images using fsarchiver.
Here is the point :
Doing the OS backup in Linode
Restore in new VPS instance of Linode working without any issue
Restore in Digital Ocean ...
- 101
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17
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Installing WireGuard on Nvidia Tegra boards?
I am working with Nvidia Tegra SBCs for a custom application. The application uses the Nvidia GPU that is specific to these boards. The system is running aarch64 (arm64) Unubtu 22.04 Linux.
I need to ...
- 241
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23
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Openscap Workbench
I've set up Openscap Workbench on my local machine, imported the ssg containing a profile for ubuntu-2004, and successfully transferred the ssg.xml to a remote server. I then used the openscap eval ...
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32
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How to assign different ipv6 for each domain in nginx?
I have a KVM VPS running Ubuntu 22.04 and using nginx as the webserver. I have a IPv6 /64 block so I added the extra IPs in the control panel. I also already added AAAA records on my DNS server. I ...
- 117
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15
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Images from file system are loaded very slowly when on VPS, faster on localhost
My / endpoint returns eleven DTOs, each DTO having a String field imagePath, which looks something like this http://localhost:8082/api/get_image/imagename.png (when on VPS, the imagePath looks like ...
- 163
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38
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Subnet cannot view server ip (OPENVPN)
I have an OPENVPN server set up on Ubuntu Server.
I assigned a different subnet to 2 particular clients using the ccd function.
Being on said subnet both see each other without problems.
The drawback ...
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24
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Creating a udev rule to mount a drive
I got a drive attached to a Ubuntu 22.04 system which randomly disconnects sometimes (I guess a loose contact is the problem). Since I need this drive I wanted to find a way to automount the drive (...
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windows10 server NFS winNFSd.exe with NFS client unix access with username e password
-n°1 macchina CNC unix
-n°1 pc windows10 with winNFSd.exe
I managed to access the Windows 10 PC with Ubuntu like this:
sudo mount -t nfs -o vers=3 192.168.1.16:/pr /media/win
sudo mount -t nfs -o ...
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Run a script when a user is created by SSSD
Basic setup: I'm running an Ubuntu VM which is joined to MS AD. SSSD handles user creation when people log in using their AD credentials. The only login method for the users is via xrdp.
When a new ...
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Apache2 Not Running Custom PHP App After Uploading to /var/www/html folder
I am installing a software that I bought. It's in PHP. So, I got a DigitalOcean server(ubuntu 22.04). Installed Apache2 and PHP 8.1.
Now, when I upload files to /var/www/html folder, it does nothing ...
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1
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60
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Even if SSH is set up, it always asks for the password when logging into the server
I have an Ubuntu server. I use ssh to access it. It worked fine at first. When user@IP is given along with SSH key, it will log into the server without asking for password. But recently, even with SSH,...
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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 ...
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30
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apache redirect/rewrite http to https with many virtualhosts
I have an apache webserver that has about 150 VirtualHosts spread out over 9 IP addresses. I'd like to redirect or rewrite http connections to https. The solutions I've found have the rewrite/redirect ...
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1
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38
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Zones cannot load correctly
I don't know where my zones have errors. I dont understand. after executing the named-checkzone command I get these responses. Could someone direct me to the correct vocabulary in the zone?
root@...
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86
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Error with resolv.conf and nslookup
I put my DNS server in resolv.conf 10.0.2.5, but only the nameserver of 127.0.0.53 allows me to resolve lookups when I use nslookup 10.0.2.5 or nslookup 10.0.2.6.
I read that there should be a DNS ...
- 9
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57
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Devilbox - error, "No Host DNS record found. " even after adding folder name in /etc/hosts/
I am using Devilbox and have been learning through documentation on how to work with it, I have created a folder inside /data/www/ inside devilbox folder and before that I have excluded the mention of ...
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1
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112
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Why Swap usage is high for Influxdb: 100% Disk I/O and Swap usage but only 50% memory?
We have an influxdb VM that is constantly under 100% swap. Even if we restart the VM, the swap usage reaches 100% in about 20 minutes. However, memory usage is only about 50%.
(The VM has 32 CPU Cores ...
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Ubuntu high processor utilization with no identifiable processes consuming processor [duplicate]
Ubuntu host with 100% utilization in top or htop.
When I inspect the running processes, I don't see a process consuming a significant amount of CPU resources.
I've tried using commands like top, htop, ...
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27
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Cannot start apache from lampstack
I just installed bitnami-lampstack-7.4 on my linux box.
I cannot start apache, I'm getting
/opt/bitnami/apache/bin/httpd: error while loading shared libraries: libiconv.so.2: cannot open shared object ...
- 303
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1
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58
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Port Forwarding all ports in UFW to a VPN Client on Ubuntu Server
I am running a VPN Wireguard server on Ubuntu 22.04. I am trying to forward all ports from the server to a vpn client on 10.10.10.2. As of now, I have perfected port forwarding for single ports. In /...
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41
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Windows Server Hyper-V host Ubuntu guest network down until restart after incident
I have a Windows Server 2022 host with Hyper-V installed. There are two Generation 2 VM's installed, Ubuntu 20.04 and 22.04 LTS servers.
Host machine has a network configuration that looks like this:
...
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27
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Can't access my server when connected to company's VPN
So I hosted a website on a server inside the company network. I could access it through the company's VPN and also without VPN (from within the company). I installed Nginx (and ufw) and after a few ...
- 99
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Linux ate my RAM [migrated]
I know this seems like a duplicate of many other posts in here, but I beg to differ.
as this (to my not very experienced eyes) doesn't seem to be a caching problem.
We have a server with 256G of RAM, ...
- 31
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How can I see and logout active Remote Connection (RDP) in a Ubuntu server?
I have tried:
who -H
But I can see only my self, even though I have connected with another account using RDP, ideally I would like to be able to see and logout a user that sees only a black screen.
- 105
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42
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ubuntu 22.04 redis.service stops working after adding tls
A fresh install of redis on ubuntu 22.04: I changed supervised no to supervised systemd. When running systemctl start redis.service, everything works as expected.
I now change the redis.conf file to ...
- 105
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61
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Nvidia display tearing with System76 drivers [migrated]
Laptop: Sytem76 Bonobo 15, 2024
PopOS 22.04
NVIDIA GeForce RTX 4080
x11 (not Wayland)
After unpacking the laptop, I slotted in the NVMe stick that was running PopOS 22.04 on a Dell XPS 9710 laptop. ...
- 131
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How to get the IP address of the host that i have ssh'ed into?
I have ssh'ed into a linux host with
ssh username@ip.
Once logged on, how do I get the IP address of the host?
commands such as host name -I or ifconfig are returning an IP address that are different ...
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0
answers
41
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No ARP response using Unicast on VxLAN Overlay IPs in Linux server configurations
I am trying to setup a basic Unicast VxLAN between 3 Ubuntu 22.04 virtual servers (underlay IPs : 172.16.30.26/24, 27 and 28) running on VirtualBox. No firewalls are active. UFW is removed. After the ...
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42
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Failed Kasm Workspace installation on Ubuntu Server 23.10 LTS Raspberry Pi 4
I was trying to install Kasm Workspace on Ubuntu Server 23.10 LTS and I received this error:
Setting Seed file as /opt/kasm/1.10.0/conf/database/seed_data/default_properties.yaml
yaml: unmarshal ...
