Latest Server related questions

Score: 1
Blasta avatar
Haproxy Block URL with specific character URL ha
lc flag

We found that one of the our applications have vunerability, vendor of app recommend block all requests that contains ${ in URL. I've tried path_reg for it. But it now working, also tried $%7B, but it not working too. Maybe I need some escape symbols?

Score: 0
New to Storage Spaces - I am lost if I have configured it correctly
cn flag
RTM

I would very much appreciate your help!

I am new to Storage Spaces and RAID in general and I would like to have a fail-safe drive configuration using 3 drives - 1x4TB and 2x2TB on a Windows Server 2022 Datacenter Server.

As far as my understandings go, this drive configuration should be sufficient to achieve no data loss in case 1 of the drives fail.

So far I have configured a Storage Spaces Pool with  ...

Score: 0
Francesco Casula avatar
Load Balancer with stickyness and in-order delivery when scaling down
pk flag

I wonder what would happen if, say, we use an HAProxy Load Balancer with persistence (sticky sessions) and a server goes down (or we want to scale down).

According to their docs:

When doing persistence, if a server goes down, then HAProxy will redispatch the user to an other server.

My problem is with the definition of "down" here. If we're running this on Kubernetes, does "down" mean that the pod  ...

Score: 0
How does non persistent parallel HTTP connections work?
in flag

https://i.stack.imgur.com/UepU0.png

Here

  1. First RTT is for TCP connection establishment

  2. Second RTT is to request the webpage and response(few bytes that gives structure of the page). Say the base file contains 2 elements called element1 and element2.

  3. Third RTT could be to establish the TCP Connection again for element1

  4. Fourth RTT could be to request for the element1 and receive its response.

 ...
Score: 0
How to set a company's Windows based PC settings into an Ubuntu PC
cn flag

I need to install Ubuntu 18.04 alongside Windows 10 but when I do that our IT cannot set administrative settings for Ubuntu like Windows because they don't know anything about Linux. So, I cannot connect internet with Ubuntu. So is there any way to set Ubuntu user and device names same as Windows so the internet provider of our company's server will not see any difference. For example;

Windows si ...

Score: 0
Geoff Vass avatar
Nslookup suddenly won't resolve against Cloudflare
in flag

As of Friday afternoon Australian time, I'm getting failures using nslookup with 1.1.1.1. It works fine with 8.8.8.8, and Powershell Resolve-DnsName works fine. nslookup without specifying a server works fine, where the local DNS uses 1.1.1.1. I've tried this on a variety of Windows flavours, with a variety of ISPs and router devices.

For example:

powershell (resolve-dnsname www.microsoft.com -server  ...
Score: -1
MaxV avatar
File server with modification log and complex permissions?
fr flag

Do you know a filer server with the following features?

  • track users modifications. (who modified and keeps file before after modification)
  • prevent to delete some files to certain users, but permit to modify or empty files. Files continues to exists even if they are empty.
Score: 0
Debian 11 no longer automatically receiving static DHCP IP address, dhclient must be started manually
tj flag

I am hosting a Debian 11 (no desktop environment) virtual machine on Windows Server 2012 with Hyper-V. This is on a company network with its own DHCP system and the MAC address of the VM is registered with a static IP address. The machine has been working fine since November and was originally installed with Debian 10. I recently went through the process of doing a full upgrade from Debian 10 to Debian  ...

Score: 0
marafado88 avatar
Unable to setup a second gateway/route to another firewall for management purposes
in flag

I've a Mikrotik CRS209+1G+8S+IN (firmware 6.47.9) that have been working with a default gateway (sfp-sfpplus1_vlan20), used to have internet access, through is SFP ports, were one of those is an uplink and the other ones are bridged in the same group.

But this unit also has an ethernet port (named ether1), that I would like to use for management purposes only. I've a subnet already created on ano ...

Score: -1
Black avatar
Use hostname/domain instead of IP for A-record
id flag

I need to create a A-Record for a subdomain on server X to make it point to server Y, but the IP from server Y is changing from time to time.

Server Y also has a hostname / domain.

The A-record does just accept IPV4 Addresses.

Is there also a way to use the hostname / domain of server Y instead of the IP address somehow, or do I have to change the A-Record each day by hand?


I tried it with CNAME  ...

Score: 0
mikeLundquist avatar
On Proxmox, why does mounting LVM to a debian turnkey lxc container work but not mounting it to a centos container?
in flag

Working Debian turnkey steps

  • create the container
# pct create 102 local:vztmpl/debian-10-turnkey-core_16.1-1_amd64.tar.gz \
--features mknod=1,nesting=1,fuse=1 --ostype debian --storage=lvmthinCTVM \
--description "debian glusterfs" --hostname debiangluster --password "password" \
--onboot 1 --net0 name=eth0,bridge=vmbr0 --unprivileged=0
  • Add the following lines to /etc/pve/lxc/102.conf for mounting  ...
Score: 0
Gunna avatar
Ubuntu DNS not working after installing a Bind Container
cn flag

I have an Ubuntu 20.04.3 LTS (GNU/Linux 5.4.0-109-generic x86_64) server with Docker installed. I created a Bind9 container however it would fail to start. Turned out this was because the resolver service on Ubuntu was running and taking control of port 53.

So I killed the resolver service and then the Bind9 container would start.

Problem I have now is that Ubuntu host O\S won't resolve any DNS na ...

Score: 0
William Kendly avatar
Implement WAF rule for blocking URLs on HaProxy
au flag

I need to implement WAF rule for blocking URLs containing ${ on HaProxy 2.0. Any help will be much appreciated.

Score: 1
Mount multiple NFS subdirs with differents options
ug flag

The following setup:

ip_address:/maindir/subdir001 /mnt/test001 nfs soft,nfsvers=3,timeo=50,retrans=2 0 2
ip_address:/maindir/subdir002 /mnt/test002 nfs soft 0 2
ip_address:/maindir/subdir003 /mnt/test003 nfs hard 0 2

Mounting these directories, I would expect the output of mount to show each got their own options. Instead, all 3 get the options of the first one mounted.

How can I change this? Prefera ...

The Stunning Power of Questions

Much of an executive’s workday is spent asking others for information—requesting status updates from a team leader, for example, or questioning a counterpart in a tense negotiation. Yet unlike professionals such as litigators, journalists, and doctors, who are taught how to ask questions as an essential part of their training, few executives think of questioning as a skill that can be honed—or consider how their own answers to questions could make conversations more productive.

That’s a missed opportunity. Questioning is a uniquely powerful tool for unlocking value in organizations: It spurs learning and the exchange of ideas, it fuels innovation and performance improvement, it builds rapport and trust among team members. And it can mitigate business risk by uncovering unforeseen pitfalls and hazards.

For some people, questioning comes easily. Their natural inquisitiveness, emotional intelligence, and ability to read people put the ideal question on the tip of their tongue. But most of us don’t ask enough questions, nor do we pose our inquiries in an optimal way.

The good news is that by asking questions, we naturally improve our emotional intelligence, which in turn makes us better questioners—a virtuous cycle. In this article, we draw on insights from behavioral science research to explore how the way we frame questions and choose to answer our counterparts can influence the outcome of conversations. We offer guidance for choosing the best type, tone, sequence, and framing of questions and for deciding what and how much information to share to reap the most benefit from our interactions, not just for ourselves but for our organizations.