Latest Server related questions

Score: 0
Dominik avatar
HDD with SSD Cache to RAID6?
us flag

We got 8 HDDs in our server (Dell PowerEdge R730), combined as a RAID6 array. Yesterday evening one of the drives failed, so we are looking now for a replacement.

I've found the Seagate Exos E 10E2400 which got a 256 MB Cache and a 16 GB SSD Cache. Currently, installed are HGST Ultrastar C10K1200 with only a 64 MB cache and no SSD cache.

Would this be a problem to mix them?

Score: 0
Use Openstack on multiple physical servers
fr flag

I would like to know if we could make use of openstack to build a private server farm e.g. with 9 physical servers with different hardware specifications in prod site. Does the attached picture correctly describe the case? Is it feasible? Thanks

enter image description here

Score: 0
MrRed avatar
On an Azure hosted RHEL instance, how could the Tomcat service get started as root when the .service file specifies a user?
cn flag

We have 3 RHEL servers running in 3 different Azure regions. All 3 have been running Tomcat, as a service, as the expected non-root user that is specified in the .service file, for months.

On the 25/26th May all 3 started running the tomcat service as root. Restarting the service and systemctl demons-reload did not fix the problem. Rebooting the box did fix the problem.

Any ideas how such a situation co ...

Score: 0
MoonHorse avatar
In Azure, how to prevent a user create a Network Interface Card but not modify it?
in flag

I want to give a specific RBAC to a user so that he can create a NIC but not to modify. As a matter of fact, what it is aimed is that he shouldn't have permission to change the dynamic ip to static ip and change the ip address of the NIC.

I have checked the RBACs of NIC, but it seems that if he has Microsoft.Network/networkInterfaces/write permission , he can create a network interface or update an exi ...

Score: 0
bakadevops avatar
HAProxy health-check fails with Layer7 wrong status, code: 400, info: "HTTP status check returned code 400
cn flag

I have an HAProxy server that I'm using as a L7 load balancer for my k8s nodes. My cluster is istio enabled and I have an istio-ingressgateway service exposed via NodePort

NAME                   TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                                                                      AGE
istio-ingressgateway   NodePort    10.11.140.167   <none>        15021:30301/ ...
Score: 0
Azure B2C: make surname mandatory
cn flag

In Azure B2C signup user flow how to make surname mandatory? The documentation says display name is required; but when I tried it was possible to signup without entering anything to it (on Azure portal the user's display name become 'unknown'). Without custom policies is it possible to make built-in attributes such as surname, givenName, and displayName mandatory?

Score: 3
Posftwd is double counting emails when used with Posftix and amavis
mx flag

Our Postfix mail server uses Amavis with spam assassin for spam and virus scanning. We have it setup in a way , postfix forwards mail to amavis and amavis then re queue the email back to postfix to sending it to destination. I have setup postfwd with a simple rule to reject emails after a threshold for sender but Postfwd is double counting the emails. When I send one email through Outlook as a mail clie ...

Score: 1
Yousef Ashraf avatar
How do route traffic Hyper-V From Linux to Windows
cg flag

I have a Windows Server With Hyper-V We have Linux VM on this Hyper-V which Have inside DHCP Server

What I want to do is route traffic from [Linux]-[Gateway] To VMS Which have IPS from DHCP Server

Why ?

We all knows Linux is better at networking than Windows so i can create a better Firewall in Linux So all packets which came from Linux Server [Gateway] is filtered and gone through firewall

I hope also yo ...

Score: 0
Zhank48 avatar
Create User active directory Bulk and home folder for user but folder Not Created
cn flag

all

I am trying to create a user with Active Directory and home folder automatically using bulk files and csv but when the user is done I check the user profile it redirects every user's home folder but I check the directory folder is not created automatically, can you solve my problem?

Import-Module activedirectory
  
#Store the data from ADUsers.csv in the $ADUsers variable
$ADUsers = Import-csv C:\ ...
Score: 0
Senior Systems Engineer avatar
Group Managed Service Accounts best practice when to use and not to use scenario?
pk flag

I have the requirement to use gMSA (Group Managed Service Accounts) to replace the statically assigned service account in my AD domain joined Servers that is already members of highly privileged groups like: Domain Admins, Enterprise Admins, etc...

I assume that any AD account that is running or used by the Windows or Application services can be replaced with this gMSA as it is very secure and no ...

Score: 2
Andre avatar
AWS S3 File Browser for Windows
ws flag

Is there any official AWS GUI like S3 file explorer for Windows?

I know there's plenty non-official like S3 Browser but, I am avoiding using third-party software.

Score: 1
SimpliFixed avatar
Azure AD/on-prem AD Hybrid user cannot change password wont stay enabled
id flag

Just setup Azure connect and noticed that some, not all users imported from the selected OU that when setup had the check for "user cannot change password" enabled per company policy(not my choice) and after the first sync the check was removed. I checked the box again for user cannot change password on the two accounts and when it sync'd again the box got unchecked again. I tried searching with a few d ...

Score: 0
Azarias Spyridon Konstantinidi avatar
Connection to Synology VPN server not working
vg flag

I own two Synology NAS (at different places). The first one is set up as an OpenVPN server. All my devices(android mobile, windows pc, mac) work fine when connected to the synology VPN server but when i try to connect my second Synology to Synology VPN server although it appears connected it cannot ping the VPN site devices. The problem started back on 17 may 2021 (before that it was connected and worke ...

Score: 1
John avatar
Is it useless to reply the received messages (on TCP) on application layer to tell the sender the messages have been successfully received?
cn flag

Any data loss is detected and automatically corrected, which is why TCP is also called a reliable protocol.

In other words,

the transport layer is responsible for error-free, end-to-end delivery of data from the source host to the destination host.

TCP is guaranteed to be a reliable transmission indeed. A question is raised, is it redundant (or useless, sorry for my poor English) to reply the receive ...

Score: 0
Can't Connect to an RDS from my home computer in AWS
bb flag

I need to connect to an RDS from my home computer.

This is an established database, I'm migrating it to a new system.

I can not connect to it from my home computer.

I have set the security to Public Accessibility.

I've set VPC the Security rules to allows in bound connections.

What do I do next to debug it

RDS Screen enter image description here Security Groups enter image description here VPC enter image description here


I've included information on the Subnet is that relevant?

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