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17 views

Can't connect to access point because of iptables/filter

Setup Raspberry Pi connected to router using ethernet on subnet 192.168.0.0/24 Raspberry pi access point on subnet 192.168.43.0/24 I am using the nordvpn application and when I connect to the vpn ...
22
votes
2answers
13k views

How are CPU time and CPU usage the same?

In the Wikipedia page for CPU time, it says The CPU time is measured in clock ticks or seconds. Often, it is useful to measure CPU time as a percentage of the CPU's capacity, which is called ...
3
votes
2answers
2k views

Basic Cisco Switch Recommendation For HSRP WAN Redundancy [closed]

I am going to have to use HSRP for WAN failover with my two routers since a routing protocol is not being offered. In order to make sure my active router doesn't get out of sync with their active ...
0
votes
0answers
11 views

haproxy ssl termination works on http BUT fails on https with 503 - on Virtualbox apache2 ubuntu 18.04 backend server

I've just dived into haproxy, and my goal is to setup an ssl terminated loadbalancer with one frontend ubuntu, and (for now) one backend lamp (ubuntu). Both the frontend and backend machines are 18.04 ...
55
votes
13answers
12k views

SSD or HDD for server

Issue I have read many discussions about storage, and whether SSDs or classic HDDs are better. I am quite confused. HDDs are still quite preferred, but why? Which is better for active storage? For ...
0
votes
1answer
14 views

Is Windows 7 machine logged into domain or local cache

I've been learning AD and also troubleshoot a problem I'm having with AD. I'd like to be able to tell if a Windows 7 workstation is actively logged on to a domain or if it's logging into an account ...
0
votes
1answer
32 views

Why would a Google Cloud instance tag drop packets?

I have a VPC with two Compute Engine VM instances in it. One of them, vpn-server, is acting as a VPN for a cluster of on-premises computers. The other, test-instance, is configured with an instance ...
0
votes
0answers
55 views

AWS system manager : Verify that the IAM instance profile attached to the instance includes the required permissions

I am trying to access an ec2 instance using AWS systems manager for that I've created a role attached to the following policies. AmazonEC2RoleforSSM AmazonSSMAutomationApproverAccess ...
0
votes
1answer
1k views

How to Retain Proxy URL for all request using Apache load balancer

I am trying to serve the requests to my Site through Proxy machine using Load balancer. When i try to access the Site by hitting http://PROXYSERVER.com, the HomePage comes up fine retaining the ...
0
votes
1answer
1k views

How do I make html files accessible from OpenShift server running python?

I have an OpenShift DIY app running Python. However, I cannot reach static files like html. (or run php) If I try accessing: mydomain.rhcloud.com/hello.html, I get: uWSGI Error Python application not ...
0
votes
0answers
15 views

If the certificate CN is different from a server's public DNS name, are SANs the way to go?

I am aware that hostname verification is required for an SSL handshake to be successful, and is vital for security reasons (i.e. MiTM attacks). That said, AWS automatically assigns public DNS names ...
0
votes
1answer
19 views

How to programmatically create new Email address with postfix

I've installed PostFix with PostFixAdmin on a server. Everything is configured and working properly. I went through the trouble of doing this so that I could create company emails on the fly. ...
1
vote
1answer
42 views

Datamax not printing when networked

I've run into a weird issue. I had to set up 4 Datamax printers for work, and 3 of them gave me no issue. However, the 4th one won't print when connected to the network, not even test labels from the ...
0
votes
4answers
2k views

Azure AD; no global admin

I've got a new Azure instance up and running. I've got a few services running in it and I've decided I need a Azure AD environment too. On opening up the Azure AD Admin panel I immediately get told I ...
0
votes
0answers
6 views

Importing Maildir mailboxes to Horde

I have a fresh install of Centos 7 + LAMP and Horde in a new server. Mailboxes have been copied to each Maildir directory Mail located at cur, .Drafts, .Sent, .Trash is loaded at user webmail page. ...
1
vote
1answer
1k views

Ansible loops and conditions with arrays

I want to be able to control the behaviour of a module by specifying a changed_when condition. This works fine when executing a simple task like the one in the docs: - command: some command ...
2
votes
1answer
2k views

New-ADGroup with Multiple -OtherAttributes?

Keep getting "The Paramater is Incorrect". I think I'm following Microsoft's method correctly, but it's not working. New-ADGroup -DisplayName $name -Name $grpName -Server server.org ` -Path:'DC=...
1
vote
2answers
386 views

Multiple mail servers and reverse DNS

If I have three mail servers MS1, MS2 and MS3 all with different IPs but share the same domain name (exampledomain.com) and I use an SPF record to specify them, how would reverse DNS work on the ...
1
vote
2answers
307 views

Replace characters in a sieve variable

When I register on websites I use their domain in my email, for example serverfault.com@example.com. I'd like to file each domain into a separate IMAP folder using sieve and I've created the script ...
1
vote
0answers
66 views

No DNS resolution and Internet access from Kubernetes POD on Windows

I’ve built a cluster (v1.15.4) on hyper-v with - linux node (master) - linux node (worker) - windows node (worker) - networking - flannel (host-gw) - mac spoofing enabled for vms deployed win-...
0
votes
0answers
18 views

No internet connection after using iptables

I'm running Debian via VMware and I've setup these rules with iptables: iptables -A INPUT -i lo -j ACCEPT iptables -A OUTPUT -o lo -j ACCEPT iptables -A INPUT -p tcp --dport 137 -j ACCEPT iptables -A ...
0
votes
0answers
13 views

Difference between Azure Sing-on Error code 50121 & 50158

Can anyone explain the real difference 50158 - Failed log on (Failure message: External security challenge was not satisfied) 50121 - Failed log on (Failure message: Strong Authentication (second ...
-1
votes
0answers
6 views

CredentailManagementSupportedCheckFailed Why did this windows server crash?

Why did this windows server crash? We have SQL Server 2014 on Windows Server 2016 datacenter. We got the below from logs after it was discovered the server crashed. Windows event logs did NOT have a ...
0
votes
1answer
1k views

Nginx proxy pass php index problems

I am having slight issues making my indexes work with nginx serving static content and passing php to apache on a different server. Basically if I need it to try index.php on the backend apache ...
1
vote
2answers
1k views

ubuntu server refusing connections via port forwarding

Getting some really weird behavior from our Ubuntu server... it's behind a Verizon router firewall with port forwarding (port 8080 to port 80 on the server), and we've been having issues accessing it ...
0
votes
1answer
15 views

Configuring route to use 2 different interface for outbound traffic

I have followed many articles available on serverfault but i am not able to manage outbound traffic through 2nd nics in ubuntu 16.04. other than serverfault i followed - https://kindlund.wordpress....
1
vote
0answers
18 views

Running scheduled task on remote server

We have 3 scheduled tasks that run on a server. Randomly someone in HR will ask us to run one of these tasks for them out of schedule. To make this easier and more expedient for the HR folks, i'm ...
0
votes
0answers
8 views

Apache Froward Proxy Connection Timeout

i dont know what i broke in my setup but all of a sudden my apache forward proxy stopped working out of no where, even though i reverted back to the old configuration. here it is: ...
3
votes
1answer
57 views

What does modern DDoS prevention look like from a networking perspective? [on hold]

I understand that there are network and IP-level mitigations for DDoS attacks, but I'm not clear on how they work in practice. My hope is that this question and answer will help to frame how the core ...
1
vote
2answers
62 views

Interpolate values as integers in HLC files

I am writing the template for a parametrized HashiCorp Nomad job. One of its parameters is priority, which is supposed to be an integer between 0 and 100. Like other tools, Nomad supports variable ...
0
votes
1answer
9 views

iSCSI target volume does not show on 2008 R2 iSCSI Initiator

My environment consists of 6 identical Server 2008 R2 blades, 2 identical SANs and 2 different NAS's. I can connect from any server to iSCSI targets on any storage devices (SAN or NAS) and the drives ...
1
vote
2answers
1k views

permission denied when using service account with Google scp command

I want to use CircleCI to deploy my code to Compute Engine instance. I have created a Service Account user and use gcloud scp command below: gcloud --quiet compute scp --recurse dev/test/ [...
2
votes
1answer
2k views

Can't access windows file share

One of the computers in my office recently lost the ability to connect to a network share running on one of our servers. "Nothing changed" (don't we all just love that phrase) as far as I can tell; ...
1
vote
0answers
722 views

Logrotate: glob finding old rotated logs failed

I am having problems with logrotate. The configuration is the following /var/log/cron /var/log/maillog /var/log/messages /var/log/secure /var/log/spooler /var/log/unused.log /var/log/kern.log /var/...
12
votes
8answers
33k views

Make ls print it all on one line (like in terminal)

ls prints differently depending on whether the output is to a terminal or to something else. e.g.: $ ls . file1 file2 $ ls . | head file1 file2 Is there some way to make ls print out on one line ...
0
votes
0answers
6 views

How to install SSMS using Azure Automation DSC?

configuration InstallSSMS { #Import the required DSC Resources Import-DscResource –ModuleName 'PSDesiredStateConfiguration' Node InstallSSMS { Package SSMS { Ensure = "...
2
votes
0answers
1k views

SMB Share (samba) Centos 6 Mounted hard drive Permission Denied

I have set up a SMB share on Centos for all users. This share is available and working correctly. Guide followed -> CentOS 6.4 Samba Standalone Server With tdbsam Backend Procedure: For diagnostic ...
0
votes
1answer
226 views

How to install SSMS on a client workstation using Azure Automation DSC?

I found the following post - https://blogs.msdn.microsoft.com/troy_aults_blog/2017/01/13/automating-installation-of-ssms-with-dsc/ Great, all I need to know now is the Product Id of SSMS-Setup-ENU....
5
votes
1answer
11k views

OpenVPN reconnect after server restart

I am looking for a way to keep a VPN tunnel alive. I have an OpenVPN server and some clients which only have access through the VPN. Sometimes, I need to restart my OpenVPN server. When I do that, all ...
0
votes
0answers
14 views

systemd service execute bash command on Mac [on hold]

I am trying to start a service on my Mac. This service needs to execute a bash script. I have the following: watcher.service [Unit] Description=Watcher service - used to copy error logs [Service] ...
0
votes
0answers
4 views

Booting WinPE (Windows 10) over PXE with UEFI Secure Boot Support

I am sure this has been covered over and over, My question is fairly simple I have a dd-wrt router and a raspberry pi, the pi is hosting my DNS, DHCP, and tftp among other tasks, I have my router ...
0
votes
1answer
17 views

How to route only specific subnet to OpenVPN Server

I want to route only traffic for 192.168.255.0/24 through my remote openvpn server. This answer suggests adding the following to the client .ovpn route-nopull route 192.168.255.0 255.255.255.0 ...
0
votes
1answer
1k views

nginx hidden file deny configuration?

I am using the below standard config to block download of hidden files from nginx : #Prevent (deny) Access to Hidden Files with Nginx location ~ /\. { access_log off; ...
0
votes
1answer
1k views

Server hangs after typing reboot command

I have a Debian Wheezy installation with Xen in kernel. All is fine but ... when I type a reboot command or shutdown -r now, my server is stuck and I see only that info on screen: INFO: task reboot:...
0
votes
0answers
12 views

How to get loadbalancer reach instance's local service at 8080, AWS

A very green networking person here; working in the AWS environment, and have the following: EC2 instance up and running; I AWS Classic loadbalancer (I guess ELB) up and running; LB LB includes I LB ...
0
votes
1answer
17 views

pfsense with only carp addresses

I currently have two pfsense boxes with a standard carp setup as per the docs, it works great. Two part question here: how does anything even work? My experience when accidentally having two ips on ...
0
votes
1answer
65 views

“ssh root@ip_address” from powershell to Google cloud instance gives error “Permission denied (publickey)”

I've 2 compute engine instances of Ubuntu 18.04 running on Google Cloud Platform. Although i'm able to connect to them thru Putty's terminal from my Win10 PC, but I'm not able to connect to any of the ...
0
votes
1answer
20 views

Kubernetes Service does not work as HTTP proxy

I am trying to make my K8S GKE Service to work with port :80 using this configuration: apiVersion: v1 kind: Service metadata: name: external-{{ .Release.Name }} labels: {{- include "...
0
votes
1answer
22 views

Is it possible to create the dashboard in gcp to monitor the disk snapshots

I have customer environment where i need to create the dashboard to check and monitor snapshots created to my disks failure and success of snapshots.
0
votes
2answers
26 views

Forward any request to another server on specific port

Let's assume 3 servers. Server A streams live video on port 88. Server B fetches 10 live streams from Server A. Connection speed between Server A -> Server B is 20mbps. Server C can connect to ...

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