All Questions

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 ...

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 ...

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 ...

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....

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!

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,

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 ...

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 ...

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 ...

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 ...

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 ...

/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 ...

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) ...

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 ...

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 ...

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 ...

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 ...

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 ...

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

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 ...

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 ...

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 :-) ...

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 ...

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 ...

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 ...

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; ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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-...

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 ...

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 ...

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 ...

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 ...

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 ...

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/...

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?

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 ...

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 ...

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 ...

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 ...

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% ...

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: ...

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 ...

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 ...

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....

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 ...