All Questions
322,888
questions
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answers
10
views
How to format NVMe drive in Linux suitable for raid 1 and lvm on xen Host
I want to create a software raid on two identical SSDs
How do I create partitions and format them optimal?
lsblk
nvme0n1 259:0 0 953.9G 0 disk
nvme1n1 259:1 0 953.9G 0 ...
- 2,499
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votes
0
answers
11
views
Is Mastodon remove-orphans safe when multiple instances sharing an S3 bucket?
I have two Mastodon v4.2.0 instances, a staging server and a live/production instance. They share an AWS S3 bucket for file storage. Both are hosted on DigitalOcean.
Is the command RAILS_ENV=...
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votes
0
answers
10
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Is Cloudflare a good option in this case and if so, how set up it?
I need to make a small (courses) platform where users aren't supposed to download the videos.
Is pass the media through CloudFlare a good way to prevent those downloads at least make harder? if not, ...
- 1
0
votes
0
answers
14
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How to deploy a staic web page to Azure App Service
Azure Static Web Apps are fantastic for hosting simple html pages, such as your "down" pages you point azure traffic manager to when you want to do some site maintenance on your main site.
...
- 551
0
votes
2
answers
31
views
What is a good choise for heavily used data storage
We are a small business that analyze lots of biological data, writing and reading something in range from 500Gb to 1.5Tb now to produce final results that are much smaller. I personally am a data ...
- 145
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votes
0
answers
7
views
When I install nginx on a new CentOS machine, the default nginx page does not load
I have installed nginx on the machine using yum repository. The firewall ports 80 and 443 have been opened and when I try to access the default nginx configuration in the browser using server IP ...
0
votes
1
answer
17
views
Ubuntu Samba tree connect failed: NT_STATUS_BAD_NETWORK_NAME
I am stumped. After hours of time I haven't made any progress. I am getting the following error. Running Ubuntu 22.04. What's crazy is I have this working on another machine running the same version. ...
- 1
0
votes
2
answers
39
views
What is the best way to redirect port 80 connections to port 8080 with ipv6?
As I understand it, IPV6 is supposed to get rid of this whole port forwarding requirements. However if I want to host a web server on port 80 with something like python or javascript i'd still need to ...
0
votes
0
answers
12
views
Could not contact DNS servers (fluent bit)
I am configuring the fluent bit connection with elasticsearch, I have 3 elasticsearch nodes and I want to have high availability, according to the following documentation it is done like this text, ...
4
votes
1
answer
32
views
Can ZFS send/receive help me recover from partial pool loss after upgrade to Ubuntu 22?
I have a long-running ZFS pool under Ubuntu, which has been through many upgrades. After upgrade from Ubuntu 20 to 22, the encrypted filesystems refuse to mount, though the rest seem OK. zpool ...
- 141
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votes
0
answers
27
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File and disk cloud backups? [closed]
I am looking for a backup solution that can do file and drive level backup and restore to and from the cloud (with the cloud portion preferably being provided by the company). I want file-level in ...
-1
votes
1
answer
28
views
Kubernetes homelab local storage options [closed]
I think I have an XY problem, if you can identify it as one, please answer accordingly!
Background
My primary goal is to learn Kubernetes, with a closely-followed secondary goal of doing homelab stuff ...
- 379
0
votes
1
answer
33
views
Roundcube imap domain
I have configuration Postfix+dovecot+roundcube. I have installed certificate SSL on domain main.example.com so when I have added below imap configuration test is ok and roundcube works. enter image ...
- 1
0
votes
0
answers
18
views
kubernetes: bind to a specific node network interface
In the case of (non-managed) k8s nodes having 2 interfaces, one for mgmt one for app traffic, is it possible to restrict all k8s traffic including k8s services to listen to one interface? I.e. k8s ...
- 583
1
vote
1
answer
14
views
OpenVPN Revoke a certificate without the CRT file with Easy RSA
I'm confused, I have an OpenVPN server on Debian. The previous system administrator who was in charge of this server deleted the user certificates (.crt file) with the command "rm -f example.crt&...
- 11
0
votes
1
answer
25
views
Windows user profiles behind symbolic links?
We have a Windows terminal server under heavy load. We'd like to move some or all of its user profiles from the C: RAID-1, to the E: RAID-10. Is it safe to do this using symbolic links, either one ...
0
votes
0
answers
19
views
Unblock virtual smart card
I've setup a virtual smart card by following this guide. It worked fine until someone locked out the virtual smart card and now it's blocked.
When I try to use it with the correct code to sign in to ...
- 179
0
votes
1
answer
35
views
Linux Server offline briefly every 30 minutes and 10 seconds
I have a very odd situation with a Linux Server (Fedora 38) that goes offline exactly every 30 minutes and 10 seconds. Nothing can ping it and it can't ping anything for a second or two, then it's ...
- 1
0
votes
0
answers
4
views
Nvidia-smi missing GPU with SR-IOV disable in bios
I have a HPE serveur (DL385) with 3 Nvidia A100 in it. It is running ubuntu 22.04 with kernel version 6 (I have tried with the 5).
By default, it was in energy saving mode in the BIOS.
When I tried to ...
0
votes
0
answers
8
views
K3s - Two pods in the same CIDR subnet doing SNAT in a cluster
We have a multi master k3s cluster with etcd. We have launched 2 pods in deployment and both get the IPs from the same CIDR i.e., 10.244.0.xx. cni0 interface ip is 10.244.1.1 on node 1 and 10.244.0.1 ...
- 1
0
votes
0
answers
17
views
php-fpm - How to log `NOTICE`s to stdout, everything else (`E_ALL`) to stderr?
As far as I understood the configuration docs, it is only possible to enable/disable specific log levels:
# ini, E_NOTICE disabled entirely.
error_reporting=E_ALL & ~E_NOTICE
display_errors=stderr
...
- 101
-1
votes
0
answers
27
views
Deployment via GitHub Actions (FTP) to physical machine on local network [closed]
I am a complete networking layman and come from a programming background. My goal is to deploy my code via GitHub Actions (FTP) to one of my physical machines on my home network. So far, I've been ...
github
0
votes
1
answer
20
views
Linux ubuntu: Determine what service/program is blocking ports
I have inherited a strangely setup server running ubuntu 22.04 and I cannot figure out what is blocking ports. iptables show nothing - just Chain Input policy accept. There is no ufw or firewall of ...
- 101
0
votes
0
answers
13
views
Fluent-bit in Kubernetes often does not collect logs
At my company, I built a K8s cluster with Terraform and configured a logging system with EFK (Elasticsearch, Fluent-bit, Kibana).
k8s and Elasticsearch use AWS's EKS and Opensearch Servcie (ES 7.10), ...
- 1
1
vote
0
answers
9
views
CentOS - lsblk showing added new space for mpath, but pvdisplay is showing previous space
Team,
I am working in a production environment and stumbled into a case where, a 3TB space from Storage has already been mounted and used for particular volume group called "ipdata_vg". Now ...
- 11
0
votes
0
answers
74
views
Task scheduler - run whether user is logged on or not
I am trying to run task scheduler on my local pc (windows 10), I have set it up to run a exe file stored on my C drive daily, but it doesn't run when I set it to "run whether user is logged on or ...
- 1
-2
votes
0
answers
11
views
Folders created by rsync on external HDD aren't visible, but can be 'cd'ed into
So I have a NAS where I put photos.
$ ls -l
total 161
drwx------ 1 david david 0 jul 5 2020 '2001 09 Republica Domicana'
drwx------ 1 david david 0 out 5 2021 2003
...
drwx------ 1 ...
- 97
0
votes
0
answers
11
views
KVM iptables VM connect using host IP
I have three VMs on a host:
Hardware Host: 192.168.0.220
VM-1: 192.168.122.10
VM-2: 192.168.122.11
VM-3: 192.168.122.12
I can connect from one VM to the other using the VM's IP address (e.g....
0
votes
1
answer
30
views
Malformed HTTP Requests
I am seeing a significant amount of HTTP requests to multiple web services that I operate which look like this:
[[#22]][[#3]][[#1]][[#1]] [[#1]][[#0]][[#1]][[#28]][[#3]][[#3]]MÚ [[#7]]eÀ…Ʀá"¢ÛË…...
- 101
0
votes
0
answers
5
views
Missing binaries hv_get_dhcp_info and hv_get_dns_info
I have a Debian 11 system fairly recently installed and I see a lot of these messages in the log:
hv_kvp_daemon[1312301]: sh: 1: /usr/libexec/hypervkvpd/hv_get_dns_info: not found
hv_kvp_daemon[...
- 1
-1
votes
0
answers
13
views
BCP Servers (planning to make things easier) [closed]
what kind of tools that I can use to check my backups on the server. There are many servers and I have to manually check the backups of it for all the servers. Is there any tools or system that could ...
- 1
2
votes
1
answer
100
views
Unable to get my rsync of my software RAID 6 past 40MB/s. Looking for suggestions
Wondering what I could adjust to get my RAID 6 Software Raid to resync quicker. Currently it's proceeding at max of 64MB/s and averages to something around 25MB/s. Hoping to get it to 200MB:
[...
0
votes
0
answers
18
views
The requested apache plugin does not appear to be installed
Im working with certbot but I cant install the apache plugin, ill share the commands that i used:
# certbot --apache
Saving debug log to /var/log/letsencrypt/letsencrypt.log
The requested apache ...
0
votes
1
answer
40
views
I can't access my Postgres server remotely
I have a Postgres db running on a linux server in my home. I want to be able to access it from my public IP address remotely but it seems not to be working.
I have listen_address = "*" set ...
- 101
1
vote
1
answer
18
views
apache mod-rewrite backreference won't match
I'm trying to test if the value of HTTP_HOST exists as part of the URI.
First, I capture the value into a backreference with:
RewriteCond "%{HTTP_HOST}" "(.+)"
Then I test for ...
- 231
-1
votes
0
answers
15
views
VM Insantance failing to back up
Helllo, I've deployed a vm instance and it's working fine. I was trying to back it up through backup and DR. I followed the guidelines and whenever I run the job of backing it up I get this error.
...
1
vote
0
answers
23
views
Debian - Wireguard Forces Real Time Kernel
I've a system running Debian 12 and while trying to install Wireguard I noticed it would pull a different kernel:
root@iotgateway:~# apt install wireguard --no-install-recommends
Reading package lists....
- 1,216
0
votes
2
answers
49
views
Sendmail unable to email to specific domain
I have a server running Sendmail and is able to email to all domains except my company's email (company1.com). I have tested to sending to gmail and other email providers with no issues. Sendmail is ...
0
votes
1
answer
19
views
Backup server for several servers with yesterday's files
There are several servers under CentOS with PHP projects, and the task is to make a server (or servers) for them to store yesterday's versions of uncompressed files of all projects from all servers, ...
- 23
0
votes
0
answers
23
views
Application deployment and monitoring of NodeJS applications
I've been looking at how to deploy NodeJS applications and how to later monitor them. I think my terminology here might be a bit off so I'll explain what I want.
I have multiple VMs running and on ...
0
votes
0
answers
4
views
Where can I see samba registry share configuration from a system backup that's not running
I have a backup of all files/folders from a Linux install that had Samba running and some shares.
This installation was using the registry for configuring the shares so they are not in /etc/samba/smb....
- 255
0
votes
0
answers
18
views
Using split DNS when devices default to DNS over HTTPS/TLS?
Some routers don't support hairpinning, and even when they do, it can be inefficient, so split DNS is often proposed as a best practice for hosting services that should be accessible locally and ...
- 101
0
votes
2
answers
27
views
Apache2 Proxy SSL Cert Check
Let's have a webserver with a valid TLS cert called b.my.tld.
I want to configure apache2 on a.my.tld as reverse proxy for b.my.tld. So I added
ProxyPass / https://b.my.tld/
ProxyPassReverse / https://...
- 101
-1
votes
0
answers
38
views
How can I route local network behind a client through WireGuard?
I have a WireGuard server with local subnet 192.168.9.0/24 behind it. And a client with local subnet 192.168.4.0/24 behind it. Both running Ubuntu 22.04.
Server config:
[Interface]
Address = 192.168.1....
- 1
-1
votes
0
answers
15
views
Routing Issues with OpenVPN, Docker Compose, and NAT
I have been struggling with this for more than two days with this networking
and docker problem. I have the following setup:
Server hilux: Has an OpenVPN server serving ips in the range 10.160.0.0/16....
- 527
-1
votes
1
answer
33
views
IIS on ws2019 in hyper-v slow network speed when noone is logged on [closed]
So IIS running on Windows Server 2019 that runs in hyper-v guest.
IIS is configured to host one website, that shares few large files.
Problem lies in the speed that the files are served.
The server ...
- 1
0
votes
0
answers
31
views
NGINX TCP reverse proxy resolves queries differently
The Setup
I currently have a server and a mongodb database running in the cloud (Oracle Cloud Infrastructure).
The Problem
My connection to the database is bound by a select number of static IP's. ...
0
votes
0
answers
29
views
MicroK8s does not authenticate with gitlab private registry
I have an instance of MicroK8s, I am currently migrating my applications. But I can't authenticate to Gitlab's private registry.
About my environment:
MicroK8s
Gitlab (with registry working securely)
...
- 99
0
votes
1
answer
40
views
Why doesn't apt full-upgrade upgrade this upgradable package?
When I run apt update on my Debian 11 bullseye installation (I haven't gotten around to upgrade to bookworm), at the end of its output it says:
1 package can be upgraded. Run 'apt list --upgradable' ...
- 211
1
vote
0
answers
24
views
what effects performance of a tun/tap or a virtual network interface?
I know what a tun/tap device does in linux.
if I create a new tun interface with only a name and assigning an IP address to it, and leave other settings as default, like this:
sudo tunctl -t tun0
sudo ...
- 11