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29 views

When an IP is GOOD or BAD boy - a research aproach [closed]

good old times those in which every computer/organization had its own, almost proprietary IP, and by its own IP you could know if it was one of the good allies, or one of the malignius IPs used by the ...
0
votes
1answer
33 views

MySQL: normal CPU Utilization but I'm running out of memory. Should I get worried?

I'm running a heavy python script in a EC2 instance. This script is inserting tables (financial reports) to a MySQL server. There are lots of tables, the total amount is 240.000 tables. I started the ...
0
votes
4answers
40 views

Install rpm packages with Ansible using rpm application (not yum)

I want to install some RPM packages using Ansible and the installed rpm package manager. yum is not installed. Using command module with rpm -i {{package}} causes the task to fail if the package is ...
0
votes
0answers
31 views

SaltStack: install packages behind proxy

Getting through a Saltstack tutorial and ran into a problem how to install packages on a linux host if it's behind a proxy. For example, I have a file nettools.sls: install_network_packages: pkg....
0
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0answers
19 views

Redirect subdirectory to root

I would like to redirect some subdirectory into the root, i.e., https://example.com/sub/* --[redirect]--> https://example.com/* How can I do that? Thanks!
0
votes
1answer
14 views

Install OpenLDAP on another directory

I am new to OpenLDAP and would like to know whether it is possible to install OpenLDAP in a different directory than "/etc" Thanks in advance,
0
votes
1answer
23 views

Alternative to SOA?

So I've been looking at No SOA record -- what are the implications? which shows that SOA records aren't obligatory but a good idea. As of today - 0-21.ru doesn't have an SOA record. It has a Whois ...
1
vote
0answers
12 views

Slurm: “Connection refused” for certain sacctmgr commands

I have an existing slurm cluster up and running but as of today without a configuration change I get an error when I run certain sacctmgr commands and slurmdbd crashes: $ sacctmgr list associations ...
0
votes
0answers
7 views

haproxy, is it impossible to monitor the http total request time?

using haproxy HTTP logs with http-server-close of keep-alives the time counters in the logs (TR, Tt...) are based on the beginning of the TCP connection. Which means only the first request, with ...
0
votes
1answer
58 views

nginx, handle 404s in another location with proxy_pass location

I have a basic django application setup under nginx. So far everything runs fine. What I need is a setup so I can handle 404s under /media/ with my proxy_pass application. Currently, it shows a bare ...
0
votes
1answer
20 views

Azure Traditional Load Balancer VS Azure Application Gateway response latency?

Environment Details: I have an application hosted in two azure environments for two clients. The application contains ASP.NET web API backend and Angular Frontend. Both applications hosted on two web ...
0
votes
1answer
18 views

Logrotate - Is there a conflict?

/etc/logrotate.d/auth.conf is somnething I created manually. But there is a entry for /var/log/auth.log in /etc/logrotate.d/rsyslog as well. Is there a conflict? Do I have to remove auth.log entry ...
0
votes
0answers
15 views

Nginx retry if backend it temporary down

I've got a websocket server running behind a nginx reverse proxy. But when I sometimes need to restart the node.js service and the clients directly get a connect() failed (111: Connection refused) ...
0
votes
2answers
33 views

I am looking for a way to use email trigger in order to stop/start a virtual machine. Azure Automation?

I am looking for a way to use email trigger in order to stop/start a virtual machine. Like when I enter some kind or a keywork in the subject or the body of an email, the runbook triggers and does the ...
0
votes
0answers
5 views

Spamassassin is filtering trusted account

To deal with bad guys trying to send mails with forged From field including @mydomain.tld, I used to have thoses rules in spamassassin/local.cf: trusted_networks 127.0.0.1 my.ip.add.ress score ...
0
votes
0answers
21 views

Apache2 error AH00094 for mod_wsgi python application

Locally when I run my application as a "flask" application, it works just fine. On server I want to make it as an Apache + Mod WSGI application. I've installed Apache2 and python on ubuntu ...
2
votes
2answers
34 views

Is there a tool or method to see if a Windows DNS server is answering DNS requests from clients?

I need to decommission a 2008 server that was one of 4 DC's in the domain within the same subnet/site location. I was able to decom 2 others without issue for the most part but the last one I did ...
0
votes
1answer
15 views

Fail2Ban: Set Cannot be created: set with the same name already exists

Have the following error when banning IP, but not sure where to start. Using Webmin/Virutalmin on Ubuntu LTS 18.04, FirewallD. fail2ban.utils [1088]: Level 39 7f09d1e1fb70 -- exec: ipset ...
-2
votes
0answers
27 views

how to deploy MS project in azure and deploy to cleints [closed]

I need to deploy MS project in azure and then from there i need to push to connected clients (few clients) . Please give me the steps to performe this
0
votes
1answer
30 views

Corruption using linux traffic control (tc command)

I am kinda new to doing traffic control using Linux tc commands. So i am doing some hands-on on introducing network delay, packet loss and corruption etc across two hosts in the same network. The ...
0
votes
0answers
31 views

Can't block specific IP address with iptables, ubuntu 16.04

I'm trying to troubleshoot Fail2ban recognizing our http-get-dos trigger, but not actually banning the offending host. I can see it adding entries to iptables rules, but they don't have any affect. So ...
0
votes
1answer
39 views

Routing in linux with two nics

I've been squeezing my mind with this problem since a couple of days, unfortunately I can 't find a way out. May be it's lack of theory or just a bad setup. I will appreciate a bit of help :-) ...
0
votes
0answers
22 views

Jumpserver can't ssh on the web terminal, but can connect with the key in xshell

Jumpserver can't ssh on the web terminal, but can connect with the key in xshell Error:ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods ...
0
votes
1answer
34 views

A generic way to redirect all non-www https traffic to www https in nginx

Is it possible to put a redirect in 1 single server block to redirect any https (port 443) that do not have www to https://www...? I don't want to have to put that redirect in every single server ...
0
votes
0answers
18 views

Why does the Tomcat 7 virtual host become unresponsive (504) when a WebRTC webcam share session is on, with the nginx as reverse proxy

I am using nginx as the reverse proxy (correct me if I am wrong) server that runs the Tomcat 7 Java webapp. The complexity here is that there's two apps nginx is serving off Tomcat. The main one ...
0
votes
2answers
27 views

Turn off access_log for specific path while still allowing fallthrough to PHP

Here's my config: server { root /app/public; charset utf-8; server_tokens off; location / { try_files $uri @app; } location = /php-health { access_log off; ...
0
votes
1answer
36 views

Long TTFB - Cloudflare

I'm running a website on Apache2/Ubuntu 20.04, and for some reason I'm getting a really long TTFB (~15 seconds), this only happens while I'm using Cloudflare's Proxy/CDN. If I'm connecting directly to ...
0
votes
2answers
22 views

nethogs -t | awk '{print $0}' return no output

nethogs is a linux process bandwidth monitoring tool. https://github.com/raboof/nethogs nethogs -t it's output looks like this. Refreshing: sshd: root@pts/0/4002/0 0.185156 0.0773437 unknown ...
3
votes
0answers
30 views

DNSSEC for private internal sub zones of an external domain

Consider the following scenario: example.com is hosted on CloudFlare and it's signed by CloudFlare DNSSEC. Everything works as expected for example.com. Inside the company we have some internal ...
1
vote
1answer
105 views

how to filter log entries by timestamp in gcloud logging command line

Any one knows how to filter log entries by timestamp in gcloud logging command line? From google cloud site - https://cloud.google.com/logging/docs/reference/tools/gcloud-logging, I learned to read ...
1
vote
2answers
118 views

NGINX reverse proxy SSH map issue

We have several virtual (Ubuntu) servers running in our company. Each has its network connection bridged, so it gets its own IP address from the router (DHCP-reserved). We need to run several websites ...
0
votes
1answer
36 views

Redirect HTTPS to another HTTPS site without warning

I have recently moved a site over to a new domain. The hosting stayed the same, just a new URL for the site. I want https://oldsite.com to redirect to https://newsite.com. I'm getting the Invalid ...
3
votes
1answer
52 views

vmalloc allocation failure when scaling LXC containers past 1350 on Proxmox 6.2

I have a server of the following spec: Dual AMD EPYC 7742, 1TB RAM, 8TB SWAP (Round-robin 8xNVME array), 144TB SSD Storage (72 drives over 10 zpools) uname -a Linux host 5.4.44-1-pve #1 SMP PVE 5.4.44-...
0
votes
0answers
45 views

How can I get haproxy to fail over to another backend?

TLDR: What changes should I make to my HAProxy config to ensure that requests fail over to a working backend when a server goes down? This seems like a simple question and may be a duplicate, but ...
0
votes
0answers
20 views

Respond to incoming connections with VPN while sending outgoing traffic to normal gateway

My server is running on a network where port forwarding is blocked. To get around this, I have connected it to a WireGuard VPN running on a small AWS instance so that I can have a dedicated IP. The ...
0
votes
0answers
9 views

A query to show all the ways a user gets his SELECT permissions on a specified table, whether direct on indirect

Is there a ( SQL Server 2017 ) query that will list all the ways a specific user has obtained SELECT permission on a specific table? I've revoked SELECT on that table for the user directly, and have ...
0
votes
0answers
25 views

How to keep windows server behind the OpenVPN server..?

I have installed OpenVPN in one of my Linux machine and can be accessed using Public IP through the internet. I also have a windows server that is facing the internet and can be accessed using public ...
0
votes
1answer
166 views

BAD PASSWORD: The password is too similar to the old one using Completely different Password

I am running RHEL 7 and not matter what password I enter I get BAD PASSWORD: The password is too similar to the old one using My current password is something similar to PasswordAABCCD1! It has ...
0
votes
0answers
13 views

How to set seprate current directory for sftp in macos?

On my macos i am able to login to sftp as sftp localhost. When i run !pwd it shows me default directory is /Users/username but i want to change it /Users/username/Sites/wordpress. I edited /etc/ssh/...
0
votes
0answers
18 views

Multiple website are using my content using my IP in their A records

How can I make all that domains that use my server IP in their A records to redirect to my main website instead of displaying my content?
-2
votes
0answers
20 views

cloning full Centos Server system and files

I have a VPS running Centos 8, I would like to switch providers, but I need to clone the full system and files. could you please let me know what is the easiest way to do so? I really appreciate your ...
0
votes
0answers
9 views

Exim4, it's a good idea to automatically populate local_sender_blacklist based on hard bounces?

GMX in it's sender best practice says: The sender must immediately remove email addresses from their dispatch lists if hard bounces occur I'm using exim4, and with eximstats you can obtain a list of ...
0
votes
2answers
62 views

OpenVPN multi-core CPU for 2Gbps

For an OpenVPN server, with AES-256-CBC encryption, LZ4 compression, and forwarding traffic to internet, official requirements states: As a rule of thumb you should assume that on a modern CPU with ...
0
votes
0answers
15 views

VMWare ESXi error: Failed to deploy OVF package: Invalid configuration for device X

I know this has been addressed several times, but the solution usually involves using a tool other than what I'm using: ovftool. I have a customer that's getting this error while trying to import an ...
0
votes
2answers
179 views

High memory usage on digital ocean droplet by mysql 8

I have a laravel application which I've installed on a 1GB standard droplet running ubuntu 20.4, nginx, MySQL 8 and php 7.4 The application isn't even live yet and I notice it's already using over 60% ...
-3
votes
1answer
34 views

Learning Kubernetes

So I am trying to learn Kubernetes on Azure so doing the tutorial: https://docs.microsoft.com/en-us/azure/aks/tutorial-kubernetes-prepare-acr Problem is on the login step the command does not work: ...
0
votes
0answers
5 views

Kerberos password method fails on Apache

I have a web app which uses Apache as a web server and which is authenticated with Kerberos. The users are successfully authenticated as themselves automatically, but I want them to be able to open a ...
0
votes
1answer
13 views

Routing traffic in nginx according to received header

I'm trying to route traffic in my nginx proxy according to a received header. My infrastructure is built in a way that traffic is being sent to the proxy with a header that contains part of the ...
0
votes
0answers
9 views

Unable to set umask for Ansible tasks

I'm trying to run an arbitrary Ansible module with a specific umask (0002). Some Ansible modules (like git) support a umask parameter (or a mode parameter to set permissions directly), but many do not....
0
votes
0answers
9 views

Windows 10 VPN - The client can access the server, but the server can not access the client

I recently set up a VPN server on my windows 10 pc on my network. I have a client computer that is on a different network. I can make a connection from the client computer to the VPN server absolutely ...

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