Latest Server related questions

Score: 0
Why is this SSH handshake failing?
sa flag

The server logs this

2021-12-07 21:57:29.889029102  Server listening on 0.0.0.0 port 2222.
2021-12-07 21:57:29.889033114  Server listening on :: port 2222.
2021-12-07 21:57:30.635958078  Connection from 172.17.0.1 port 56406 on 172.17.0.3 port 2222 rdomain ""
2021-12-07 21:57:30.636572922  kex_exchange_identification: Connection closed by remote host
2021-12-07 21:57:30.637124145  Connection closed ...
Score: 0
BoMc avatar
Task bar icons context menus won't open unless explorer.exe is run with admin rights
sx flag

I have a Windows 10 computer which recently began to fail to open right-click context menus on taskbar items. The search box also has odd behavior, it blacks out until you enter something in it and then backspace over your entry, then it displays properly. Both these problems go away if explorer.exe is run with admin rights. Clearly some item in the path of these functions has bad access restrictions, a ...

Score: 1
Windows 10 Enterprise systems disobeying lock screen background GPO
cn flag

The following GPO is configured at the domain level for our systems:

  • Local Computer Policy > Computer Configuration > Administrative Templates > Control Panel > Personalization > "Force a specific default lock screen and logon image"

Systems that are freshly imaged have no problem displaying the lock screen specified by the GPO. However, some systems which have received an in-place ...

Score: 0
HayesMo avatar
Windows Server 2016 multihomed only using Public firewall profile
es flag

We have a Windows server with two NICs. One of them is connected to the main company network (and thus to the internet) and the other is connected to a separate, more secure internal network. It's joined to the company domain. We have an external hardware firewall between the server and the private network, but we would also like to use Windows firewall as an added layer of protection.

We assigne ...

Score: 0
IBM X3650 M3 occasional PCIe-related errors on reboot
cn flag

Intermittently, this system will fail to POST and boot loop repeatedly (sometimes for hours) without making it past the BIOS screen. The errors appear to be PCIe related, but no additional PCIe cards are installed. When the errors occur, the LightPath display shows a single LED for PCI. The error LEDs on both PCIe risers are unlit. The IMM logs some combination of the following messages:

  • Fault in slot ...
Score: 0
amnestor avatar
What disk considerations are taken for VM migration during Host Maintenance in GCE?
in flag

I'm running a VM in the us-central1-a zone with Availability policies configured as follows:

Preemptibility - Off (Recommended) On host maintenance - Migrate VM instance (Recommended) Automatic restart - On (Recommended)

Today around 12 pm UTC-06:00 the VM was migrated. I'm using Dynatrace to monitor it and and at that time the machine raised a problem because it had went down.

In the GCP console the V ...

Score: 0
jargo avatar
Hard code an IP in Putty
hu flag

I need to be able to provide the putty app via Citrix. The issue is the terminal server is on the prod network which can reach all of our other networks. This would therefore allow a user to putty to any machine they wanted. I'd like to have the putty app launch and go to one specific IP/host that is 'hard-coded' somewhere in the putty configuration. Is this even possible with putty?

Thanks in ad ...

Score: 0
justanotheruser1019 avatar
Systemd service sits in continuous reboot on start but works fine on manual start
us flag

We have an application that at one point worked on one of our ubuntu VMs. Recently, it has shut down. I noticed that the application, when i execute systemctl start application, it starts normally, begins the application boot stage properly, then abruptly stops, then restarts, then stops, and so forth in the same cycle.

What's interesting is, if i disable the service, systemctl disable application ...

Score: 1
Site 2 Site VPN with ipv6
jp flag

I have a Site 2 Site VPN running, based on IPv4. So I have 2 Networks, both connected via a router to the internet. The ISP provides a public IPv4.

The 2 networks have the following IPs A: IPs 192.168.0.0 Subnet 255.255.128.0 B: IPs 192.168.128.1 Subnet 255.255.128.0

Both internet routers (on both sides) are the default gateways to the internet. In the routers I have added static routes to the VPN s ...

Score: 0
wanderingear avatar
Multipass mount folder on zfs file system - Source path does not exist
us flag

I am trying to add storage to an existing Multipass VM. I created a new ZFS filesystem, mounted locally at /zfs/morespace. Then tried to mount it with

multipass mount /zfs/morespace existingvm:/mnt/morespace

I received the error:

Source path "/zfs/morespace" does not exist

When I ls /zfs "morespace" is listed.
I also created a folder /zfs/morespace/storagedir and tried to mount that with the sam ...

Score: 1
TheAltruist avatar
Why doesn't throughput improve from adding additional web servers?
br flag

I have a load balancer with a dedicated cpu that distributes traffic to two linodes with shared cpus. I'm testing a template website with 9 lazy loaded images, no database queries, that's been optimized to score 100 on pagespeed, A on gtmetrix, and loads in under 1 second.

While testing the website with the shared cpu, it performs as expected, around 1k rps with or without ssl, using nginx.

However, ...

Score: 0
SaroBeatbox avatar
Xenserver 8.2 Express Edition - use storage Dell
ar flag

I installed Xenserver 8.2 Express on my Dell server , my Dell server is connected to a Storage MD3200 Dell .

When trying to add a new SR on my xenserver, I chose the HBA option because my server connects to Storage through the HBA cable.

On the attached screen , it shows me the server LUN and my Dell Storage , will the inclusion format my dell storage md3200 ? or will the data be preserved?

enter image description here

Score: 0
Tom Atix avatar
Debian 10: Random freezes
cn flag

I am experiencing random freezes on my Debian 10 system, which force me to shut it down using the power button to take any action. These freezes have happened repeatedly over the past weeks.

Output of uname -a:

Linux debian 4.19.0-18-amd64 #1 SMP Debian 4.19.208-1 (2021-09-29) x86_64 GNU/Linux

Hardware: Threadripper 2970 WX, 32GB G Skill F4-3200C1 RAM, MSI MEG X399 Creation Motherboard

Disks: 1TB Samsung ...

Score: 0
Gordon Mckeown avatar
SNI header missing from TLS Client Hello when using HTTP proxy
ar flag

I'm debugging a problem with a Java-based application that retrieves a JSON payload (the CVE list from NIST) over HTTPS. When I connect directly to NIST, I retrieve the data successfully. When I use an HTTP proxy, I get a TLS "unrecognized name" error suggesting a problem with Server Name Indication.

I don't have access to the Java application's code and have minimal ability to mess with JVM sett ...

Score: 1
Sam Foley avatar
How to setup persistent networked docker volumes?
us flag

I'm looking for an option for persistent docker storage away from the server it's running on.

I know I can mount a CIFS share using a named volume and the local storage driver but these volumes just seem to be bind mounts and aren't managed by docker so you then have to deal with the user permissions issues that come with that.

Ideally this would be from a docker-compose.yml.

I'm open to any kind of ta ...

Score: 0
MojoJojo avatar
Traceroute works but nc fails - Where is my port being blocked?
gd flag

I am trying to troubleshoot two Azure VNETs that have been peered together. Lets call these VNETs A and B. There are multiple services running on a VM in VNET A on different ports. I am trying to access them from a VM in VNET B.

I observe the following behaviour:

nc -vz vm-in-host-a.something.com 11294
Connection to vm-in-hosta.something.com 11294 port [tcp/*] succeeded!

nc -vz vm-in-host-a.something ...

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