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Fedora 35, NetworkManager: <warn> ... conflict for address 192.168.178.9 detected with host 68:54:5A:FB:2A:7F on interface 'eth0'

Whilst tinkering around, I noticed that NetworkManager complained about an IP conflict when I plugged the ethernet cable in. However, arp, nmap and eyeballing various files disagree. Can anyone help ...
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Tease out extensionAttribute5 with get-mguser

Trying to force myself to start using graph thru powershell since it looks like the AzureAD powershell commandlets are going the way of the dodo at some point. Wondering if there is a way to use get-...
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How to alter ACCEPT to DROP with specific destination in iptables

I have this entry in iptables ACCEPT tcp -- anywhere 0.0.0.0.in-addr.arpa tcp dpt:4210. I want to alter ACCEPT to DROP. I tried using sudo /sbin/iptables -A DOCKER -p tcp -d 0.0.0....
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list the Load balancer

I am trying to list all the load balancers in a text file with tag deletion protection enabled but seems to be having issues. $loadbalancers = aws alb describe-load-balancers --query 'LoadBalancers[*]....
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Buster => Bullseye Upgrade: Don't install unwanted packages

I am in the process of upgrading to Debian Bullseye. When doing apt full-upgrade I see that apache2 is going to be installed. I do not want apache on my system, I have nginx already running. How can I ...
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Changing LetsEncrypt Cert on Amazon Linux 2 only gives access to main domain

I have an instance on Amazon's Lightsail that is running Amazon Linux 2. When I first set it up I added just the root domain with no sub domains or wildcards to the digital cert. I'm looking to create ...
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Should HTTP load balancer forward bad requests to backend?

If a HTTP client sends a GET request with a body that would generate a 400 Bad Request response, should the load balancer forward that request to the backend or deal with it immediately? Is there any ...
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How to run a Fargate task? My cluster seems to be invisible

I don't know what details to provide here, so bear with me. I want to use AWS Fargate. I successfully uploaded my docker image, created a Task Definition, and created an EKS cluster, but when I ...
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connecting domain to a server and port forwarding to show website hosted on another server

I have a website on server A with IP address of 1.1.1.1 and the domain is example.com. I also have another server B which IP address is 2.2.2.2. I want to connect the domain example.net to server B ...
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OpenSwan GW not routing VLAN traffic through tunnel

I do have a tunnel configured using OpenSwan on a side and libreswan on the other. The issue seems to be on the openswan side, where I do have 2 subnets, one for the main interface, the other is on a ...
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Content of checkpoint backup with extension tar.gz

I have a Checkpoint Firewall backup file with extension tar.gz. When I uncompress the file, I see that there are several directories and files. One directory is called config. Questions Is this ...
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How to trigger a condition alert like an if else statement in solarwinds

I'm a little confuse on how to deal with the alerts using Solarwind's trigger condition. I want everything to be optimized well in alerting us, what I want to happen is 1. IF the router is DOWN it ...
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How to check in what request-response mode my HAProxy is operating in?

I have read that Load balancers/reverse proxies usually have 2 operation modes. In the first one, the requests from the clients are forward to one of the backends as is if they come directly from the ...
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VM Logical Volume shown on Host

Some context, I've builded an Opennebula cloud (https://opennebula.io/). I've been using it for more than 2 years now without any issue on that side. Recently i've noticed a strange behavior. On my ...
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Getting SERVFAIL / NOTAUTH on Zone Transfer - ISC BIND 9

I have two BIND servers running BIND 9: BIND 9.11.36-RedHat-9.11.36-3.el8 (Extended Support Version) <id:68dbd5b> running on Linux x86_64 4.18.0-372.9.1.el8.x86_64 #1 SMP Tue May 10 08:57:35 EDT ...
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Backup /var/lib/docker without the images?

I want to make a backup of all my containers and volumes, so the easiest way would be to copy /var/lib/docker to another location. However this directory also includes all the images, and I don't want ...
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Expose pfsense port on windows hyper-v

Need advice, i have pfsense server who running on Hyper-V host with this topology: Hyper-V host have 2 network interface: Interface with public IP Interface with Private IP who comunicate with ...
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  • 106
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mariadb-client cannot connect to db throwing "RSA Encryption not supported"

I have a docker-compose with a 'db' and 'web' containers. The db is a mysql:8.0 image, and the web is a python:3.9-slim. If I try to connect to the MySQL server inside the db container, it works. But ...
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configure inactivity timeout while handling keepalive probes

I am developing a TCP echo server using python and the socket library. I'd like to have a timeout configured for each incoming connection. So to drop and close them if there is inactivity for a ...
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  • 101
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1 answer
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How to validate variables contents in Ansible?

ansible-lint only checks the tasks/handlers and doesn't iterate over the variables (e.g. if you're using with_items, it won't iterate over all the items) and yamllint only checks cosmetic issues and ...
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Windows DEL command behavior wrt junction points

In my installer script I want to delete known files from known locations on the local PC using the DEL command. The command should purge the file from a certain folder and all subfolders below that. ...
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What does it means "Signal lost for 15 minutes on 'Low Application Throughput'"

I've recently implemented the New Relic service in my website, and I keep getting this error Signal lost for 15 minutes on 'Low Application Throughput' And here is more information when clicking on &...
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  • 101
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1 answer
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Why "vlan: 3 parent interface: en0"

I have created a VLAN: Linux vconfig add en0 3 ip addr add 192.168.126.5/24 dev en0.3 ip link set up en0.3 can be translated to macOS by e.g. MacOS ifconfig vlan0 create ifconfig vlan0 vlan 3 vlandev ...
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  • 143
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1 answer
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List "hardware" Network Interfaces Controllers

When using ifconfig or ip link show commands, it lists not only hardware interfaces, but also software interfaces - I would expect only the physically interfaces? Note: I am running on MacOS. ip link ...
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  • 143
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mysql ZFS latency with new SAS disks on Freebsd-10 servers

We're facing a serious issue with a couple of FreeBSD-10 servers where we replaced SSD disks (7Tb SATA to 15Tb SAS) for a zpool called zsqlxxx. inside each host, we have a MySQL jail running and ...
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  • 101
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How to add dynamic subdomain to site test.mysite.com

I have requirement to manage dynamic subdomains for site like test.mysite.com BTW my current IIS has already multiple site hosted and each has SSL certificate configured. What I want to achieve is any ...
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Is VLAN "running/managed" on a computer accessable from outside [closed]

VLAN I(VLAN newbie) am trying to separate and managing information technology systems in a business environment network and I thought that VLAN was handled by the router. I found that I can create a ...
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  • 143
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0 answers
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Unable to add old HostKeyAlgorithms Ciphers KexAlgorithms to sshd_config no hostkey alg error

I have 2 linux boxes one is CentOS 6 one is Fedora 35 CentOS 6's openssh is too old and Fedora 35 sshd server reject the connection. I want to add back the old HostKeyAlgorithms Ciphers KexAlgorithms ...
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1 answer
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redundant load balancer for Tomcat

I have three Tomcat webservers in a VMWare cluster. In the first place we thought of using Apache as a load balancer in physical server but this would be a SPOF. I have searched around and I found ...
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1 answer
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What is a good indicator that a server does not have enough RAM?

I am the "application owner" of a server (ie. I am responsible for running and maintaining the application running on the server). The VM has 8GB of RAM, as was recommended when the ...
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NixOS starting a daemon process example - is the example broken?

In the python flask example application given on https://nixos.org/guides/dev-environment.html ... Isn't it just killing the daemon process whether it passes the health check or not? Maybe there's ...
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How to change default firewalld behaviour to drop all established connections on reload

I have a web-server and sshd services running and listening for connections on their ports. What I want to achieve is when I change my zone from public to something that prohibits ports 22 or 443, my ...
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High load and file descriptors but idle cup usage

I have a problem with NFS & PHP. I changed the NFS mount on some of my servers using Ansible, but I forgot to change the NFS mount on this server. After 4-5 days, I saw the system load on this ...
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How to pass an html site from another server via nginx reverse proxy?

I am trying to load an Angular app from another internal service when calling localhost:81/internal?pageId=10. But all that happens is that nginx redirect me in the browser to localhost:80. I have ...
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Best approach for specific local server permissions?

We are trying to set up a three step permission-structure (Firstline, secondline, thirdline support). Firstline can only RDP with user-rights to all our domain-servers, no problem there with ...
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SMTP not available for installation in Windows Server vnext

I am trying to setup a SMTP service server in my virtual machine, a Windows Server preview, build number of 10.0.2511x. I am not able to find the service for download even in the "Add roles and ...
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Creating an OpenLdap specific administrator group on LDAP

I'am trying to create a simple specific administrator group on my OpenLdap server that is running slapd. There is currently no slapd file, and I have been working with the cn=config format. I want to ...
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1 answer
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Not able to backup of postgres DB from DBeaver

Hope you are doing great. We have postgres install on centos server and accessing it through DBeaver from Ubuntu machine. Whenever we try to take backup of Database it is giving error as "Native ...
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8 views

Trying to use a CNI configuration with Calico in Minikube with Helm

I am trying to configure a network configuration in our Kubernetes cluster via Helm with Calico, we are running minikube with calico like this: minikube start --network-plugin=cni --cni=calico And we ...
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How to fix script config should be a string or a nested array of strings up to 10 levels deep?

With below pipeline job, I am getting syntax error. gitlab error Found errors in your .gitlab-ci.yml: jobs:test-artifact:script config should be a string or a nested array of strings up to 10 levels ...
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Co-locate VM on a single/set of core(s)

I'm trying to understand certain impacts of virtualisation on performance by running benchmarks on VMs. I'm considering ESXi and Hyper-V as the hypervisors. I wanted to know if I can pin a VM to a ...
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-2 votes
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why can't i see the video in the old website [closed]

This is the link web i cant watch the 2000s video https://web.archive.org/web/20081022222944/http://x17video.com/celebrity_video/jennifer_aniston/jennifer_aniston_at_the_sunset_1.php When I find the ...
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Difference between DB having user-password protection, DEK, TDE

I am a total noob in systems and have questions about DEK. What are differences(or advantages of one over the other) between knowing your username and password for your DB(mysql or mariadb) and DEK. ...
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-2 votes
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Unable to join node to the cluster

[preflight] Running pre-flight checks [WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide ...
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SQL Server 2014 enterprise edition suddenly stop accepting the connections

We are seeing that our server will suddenly stop accepting new connection from SQL Server. The server itself is still accessible via RDP, but sharepoint portal/SSMS and any other remote SQL connection ...
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How to list all function apps and it's storage account

Is there anyway to combine both commands below where it lists all the function app together with the storage account used for it? This command gets all the function app in the subscription az ...
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How to preserve file access time when using `chmod`

I would like to know how can I preserve file access time ("atime") when using "chmod". Sometimes I need to use the code below: chmod -R 777 /directory It works fine, however all ...
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6 views

Windows Defender 2019 - Configuring

I've been tasked with getting Windows Defender configured to get it's updates via MECM. Some context, we have around 40 servers in our Azure tenant running Windows Server 2019, Defender is enabled, ...
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error 17054 severity 16 state 1 sql server 2014 enterprise edition

Our new database is just inaccessible. I have tried to find it in the error log and find this error during that time. So when we went to the Configuration manager. we were seeing Browser service, SQL ...
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SQL - How to avoid reading value from XML column due to performance issue

I am new to SQL , could you please suggest me how do I improve below SQL code, I have observed using SQL profiler - XML reading operation is taking too much of time. Kindly let me know how do I ...
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