All Questions
323,819
questions
0
votes
1
answer
39
views
Virtual Host SSL and nonSSL with Proxy
I have 1 nonSSL server and many SSL with Proxy in Apache.
Configuration SSL server:
<VirtualHost *:443>
ServerName test.com
ServerAdmin [email protected]
ErrorLog ${...
- 111
0
votes
1
answer
27
views
How to mix DHCP-provided DNS servers with statically written DNS servers?
I am trying to make a combination of the DNS servers provided by my ISP and 3 static (8.8.8.8, 1.1.1.1 and 9.9.9.9).
On Ubuntu 18.04, I did it by adding the static DNS to "/etc/resolvconf/resolv....
- 15
0
votes
2
answers
38
views
How do you create user-restrictions using wireguard?
I have two modes that I like to use to model my desired vpn settings,
device wireguards in has access only to jellyfin
device wireguards in has access to all resources.
How do I configure OpenWRT ...
- 2,401
4
votes
2
answers
856
views
Remote domain: DNS record A exists when NS does not
I have encountered a domain for which I can sucessfully retrieve a DNS A record. At the same time, however, any public DNS server seems to return empty NS record. The domain in question is bluedriving....
- 305
2
votes
1
answer
126
views
Are SFP+ "Ethernet" direct attach cables compatible with Fibre Channel?
I'm trying to find some short 8G SFP+ Fibre Channel direct attach cables but they're rare and expensive, can a passive 10G SFP+ direct attach cable marketed for Ethernet be used between two 8G SFP+ ...
- 51
-2
votes
0
answers
31
views
HPE ML150 Gen9 - Power Management Issue
Some time ago I bought a used HPE ML150 Gen9 and everything is working fine - except the power management. The case fans are properly controlled but the power supply fan is running on max all the ...
0
votes
2
answers
58
views
Mitigation of a Slow Loris Attack (slow HTTP request DDoS)
I am being targeted by a slow loris attack for several weeks now (during the worst period of the year [black friday / cyber monday]).
This is an advanced DDoS attack where I get a lot of slow HTTP ...
2
votes
1
answer
52
views
Netplan- How to configure a static IPv6-address and SLACC
I’m facing a situation where I need to configure an interface with both a private static IPv6 address and SLAAC (Stateless Address Autoconfiguration) addresses. The reason behind this requirement is ...
- 21
0
votes
1
answer
38
views
Failed to make rsyslog filter to particular file
I configure the rsyslog server with /var/rsyslog/foo.conf to accept the udp messages
$ModLoad imudp
$UDPServerRun 514
And try to filter the log contents start with "foo" to /var/log/foo.log....
- 101
0
votes
0
answers
87
views
Cannot access thru hairpin NAT from LAN to a particular IP [closed]
An enigmatic issue drives me nuts.
I have a setup like this:
Internet <-> ISP router 192.168.1.1 <-> 192.168.1.144 Unifi USG-3P 10.27.0.1 <-> 10.27.0.50 Reverse proxy 10.27.0.50 <-...
- 103
0
votes
0
answers
30
views
How Do You Block & Unblock Internet Sites in Apache?
How do you block all internet sites and only let some sites through in Apache Proxy?
I want to block all sites except some (e.g. updatemicrosoft.com, .windowsupdate.com , google.it etc.)
I have ...
- 1
0
votes
1
answer
48
views
Undersubscribed ESXI host shows 100% CPU
I guess the question is more theoretical one. We have ESXI host with 48 Logical Cores (HT enabled, 24 real cores). We run 4 machines each provisioned with 8 vCpu. Each machine operates on 75% CPU on ...
- 175
1
vote
1
answer
29
views
LSI MegaRaid configuring for MDADM RAID disk set
I have an 8 bay SATA/SAS LSI MegaRAID controller and have to mount a set of drives that were assembled RAID 6 by mdadm on a non RAID controlled other device (both supermicro).
Is it possible to ...
- 11
-1
votes
0
answers
37
views
Redirecting specific IP to a Docker container on Windows: need guidance [closed]
Goal is to provide more than one VPN connection from one computer and redirect traffic. I'm currently trying to do this via Docker desktop.
I created a dockerfile.
FROM ubuntu:latest
RUN apt-get ...
- 1
0
votes
0
answers
32
views
NGINX Multi Site * SSL Subdomains: Configuration file error : [emerg] duplicate listen options for 0.0.0.0:443
Currently in process of installing SSL on an NGINX, Ubuntu 22.04 Vultr server. I have two existing domains on the server. Setting up a wildcard SSL for an Wordpress Multi Site (Subdomain base) and am ...
- 1
-2
votes
0
answers
19
views
How does Tor return responses to the user? [closed]
I understand the basics of how Tor works, but I never got how the exit node (third one) encrypts the data on its way from the target server back to the user. How does it get the other relay's keys and ...
- 1
-1
votes
0
answers
42
views
What's the best approach on learning IT cloud/on premise architecture? [closed]
I apologize as this question is rather theoretical and I presume you will be tempted to downvote it, but I am kind of stuck.
I've been in IT industry for about 4 years. I specialize in Salesforce. ...
- 107
2
votes
2
answers
123
views
How to restrict based on combined usage of sender email and client ip address in postfix?
I have a MTA (postfix) with sasl implemented. I want that for a subset of users I can map their email address to a particular range of ips (separate for each email user). If a user tries to send email ...
- 175
0
votes
0
answers
23
views
Centos Stream 9 dnf yum upgrade error
When trying to upgrade Centos Stream 9 from terminal I get the error about weak SSL certificate, below is the output from terminal
$dnf check-update
CentOS Stream 9 - BaseOS ...
- 1
1
vote
0
answers
17
views
How to sucessfully import an .ova vm exported from ovirt/kvm (Red Hat OS)?
So, I was given an .ova file. This is exported from a server using a combination of KVM/QEMU and ovirt technologie - the server runs RedHat and I want to import this .ova file into vmware or ...
- 11
0
votes
2
answers
85
views
How do I re-run the post-install set up script after making the wrong choice in apt install mailutils?
Yes - I have read this similar Q and all the answers. Unfortunately that was from years ago, and none of the answers work any longer.
I'm running an Ubuntu server 22.04, and installed mailutils. Near ...
- 283
0
votes
0
answers
24
views
getting following error on ubuntu 22.04 when trying to ssh into any server. debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
Very annoying but solved by uncommenting:
vim /etc/ssh/ssh_config
Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc
0
votes
0
answers
69
views
Can QEMU installed on a Windows 10 host run a Windows 11 guest?
can QEMU installed on a windows 10 host run a windows 11 guest?
ok I have QEMU installed on a windows 10 machine and I want to install a windows 11 guest onto it, however I keep running into the not ...
- 109
0
votes
0
answers
18
views
Matrix Client-Server API: easiest way to get message count by room? [migrated]
I'm a member of a Matrix instance. I would like to get a count of how many messages have been sent in a specific room. I've been looking around the API documentation, and I don't see an obvious way to ...
- 113
0
votes
0
answers
131
views
How to get output of STDOUT to GCP cloud logging
Hey I have a job running on a gcp VM where some imported libraries are logging to stdout with the print or python logging library, and I also have written a lot of code where the output is logged to ...
google-cloud-platform
1
vote
1
answer
106
views
What to set $DISPLAY environment variable to when su to another user
I'm not that au fait with Linux, let alone things like X and display/window managers.
I am trying to run the GUI installer for Oracle Enterprise Manager, but it is complaining about the value for the ...
- 1,743
0
votes
2
answers
45
views
How to ensure that system-userdbd.service is started after root fs became writeable without creating circular dependencies?
I have a fast virtual machine and the systemd service systemd-zserdbd.service fails with
Dec 01 17:45:32 server-new systemd[1]: Starting systemd-remount-fs.service...
...
Dec 01 17:45:32 server-new (...
- 161
-3
votes
0
answers
34
views
Software for the changes made? [closed]
I would like to have software where I can create groups and hosts, and enter the changes there that I make on the servers. So I can see later which changes I have made for the hosts. Does anyone know ...
-1
votes
0
answers
20
views
Can not delete the Virtual machines from Vcloud Director
Recently I found some machines are in unknown status in Vcloud Director. I tried to delete those machines, but I could not delete them. Does anyone have any solution on how to delete those machines?
-1
votes
0
answers
159
views
Browser NS_ERROR_NET_RESET [closed]
I have two boxes:
A: IIS 8.5.9600 on Windows Server 2012 R2
B: IIS 8.0.9200 on Windows Server 2012
php version is the same: 7.4.13
when a simple php script in box A outputs more than 4MB I get in the ...
- 103
1
vote
0
answers
42
views
Using an Ubuntu Server VM as a router for a private subnet on an ESXi host [closed]
I have some Linux VMs on an ESXi 7 host, which all have addresses 172.16.0.x in the 172.16.0.0/24 subnet. They are all connected to a portgroup called internal_network on my vSwitch and they can all ...
0
votes
1
answer
76
views
What is the LDAP syntax to query a sub domain?
I have a group MySoftwareUsers in the nam.con.internal.contoso.com domain.
The software I am installing doesn't have an option to specify a location to search, it uses the root domain con.internal....
- 101
0
votes
0
answers
29
views
AWS ALB gives 504 timeout when vpc cni network policies applied
I've got argocd deployed on EKS, with ingress running on top of AWS Load Balancer Controller.
Alb controller is deployed in kube-system. Argo is deployed in argocd namespace with internal alb created ...
- 101
1
vote
0
answers
75
views
Slowdown in writing and reading files on Windows Server 2012 [closed]
I have a problem with significant slowdown in writing and reading files on Windows Server 2012, the equipment is HP ML350p gen8. Accounting, payroll and spreadsheet programs have a very big problem ...
- 11
0
votes
0
answers
68
views
Discover process that exhausted my memory and CPU limits on Ubuntu
I have a DigitalOcean droplet running Ubuntu 22.04.2 LTS (GNU/Linux 5.15.0-89-generic x86_64). My website went down at approximately Fri Dec 01 6:48 AM GMT. From var/log/apache2/access.log, I ...
- 101
0
votes
1
answer
59
views
postfix as relay - send to non local domain restrict by ip
we are moving from an old symantec messaging gateway to a debian/postfix machine.
rules in symantec are these:
-from local domain to the same, accept from all then relay all to outlook.com server.
-...
- 93
0
votes
0
answers
10
views
Meaning of "Flags" column in dnsmasq log output
I sent a SIGUSR1 signal to the dnsmasq process to make it write statistics to the system log. Here's an excerpt of what dnsmasq wrote to the system log:
daemon.info dnsmasq[1]: Host ...
- 115
0
votes
0
answers
30
views
server ask for root password after reboot while logging in with ssh key
after rebooting Linux server (centos 7) I'm trying to login with ssh key seems it's successfully loging in but asks to change root password which I've forgotten. Is there a way to bypass changing root ...
- 101
0
votes
1
answer
28
views
Cannot access to x2go client with same credentials more than once
I am trying to access via x2go client to the server (Linux system) through my laptop (windows). It seems that I could once, but for the following times it seems that there are authentication problems.
...
- 101
2
votes
1
answer
122
views
haproxy.cfg errors in configuration file. Help needed
Trying to follow these indications:
https://github.com/kubernetes/kubeadm/blob/main/docs/ha-considerations.md#haproxy-configuration
and these indications:
HAProxy use urls in server config?
I'm trying ...
- 155
0
votes
0
answers
49
views
Proxmox cannot route port from network bridge
I set up proxmox instance, all is working fine but i have a problem with port forwarding
i have:
server A with PUBLIC IP 1.2.3.4 and it's dedicated server (proxmox)
server B (VM on server A) in bridge ...
- 1
0
votes
1
answer
53
views
Windows Server 2019 RemoteFX COM port redirection does not work, Windows Server 2012 it works
Have Windows7 workstation with a USB COM port device installed.
From this Windows7 workstation I RDP to Windows Server 2012 terminal server and all devices are redirected through RDP correctly.
If I ...
- 79
0
votes
0
answers
40
views
ZFS still writes to HDDs vdev while dataset is configure to store special for Docker
I'm facing a strange behaviour when using Docker together with ZFS.
I have one pool with 2x10TB HDDs as mirror vdev and 2x250GB NVMEs as mirror for special vdev (to store metadata and datasets with ...
- 101
0
votes
1
answer
54
views
Use let's encrypt certificates with the prometheus node exporter
I'm trying to configure a prometheus node exporter with HTTPS using the website certificates generated by let's encrypt.
There is certificates with permissions default let's encrypt permission
But I ...
- 103
0
votes
1
answer
29
views
how to get the used space (size in bytes) of a directory in a ceph file system
I have a ceph cluster quincy 17.2.7
I wonder if ceph has some tools to quickly get the the used space (size in bytes) of a directory in a ceph file system. I know one can get that using du -hs /fs/dir-...
- 1
0
votes
0
answers
18
views
How to hide or remove piping errors (from the PHP command, from the output and from piping configuration)?
I have a piping in aliases Exim file.
It's working fine, but when the script fails for some reason Exim returns all that information to user.
This message was created automatically by mail delivery ...
- 201
0
votes
0
answers
36
views
HA-Proxy Layer4 connection, info: “Connection refused”
I'm having difficulty in understanding how to properly configure haproxy
root@k8s-eu-1-control-plane-node-1:~# sudo systemctl status haproxy
● haproxy.service - HAProxy Load Balancer
Loaded: ...
- 155
0
votes
0
answers
27
views
How to find the reason of server down in lotus notes v8.5.3 [closed]
While trying to open the production server in lotus notes all the users got remote system is no longer responding, server is not responding and other popups. The server was available after stoping and ...
0
votes
0
answers
16
views
DC - migrate FRS to DFSR any issues for 2003 server members?
Is there any issue to migration DC's from FRS to DFSR if there are still very old "computers" members in the domain ?
the client has a remaining 2003 R2 server and I would like to make sure ...
- 3
-1
votes
1
answer
13
views
How can I reset the password to my Wattbox WB-700-IPV-12?
I have a open box Wattbox WB-700-IPV-12 I purchased. I would like to reset the password to the web interface. The manual says nothing of how to reset the password. I tried the default of wattbox for ...
- 2,401