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Stay informed and inspired with our blogs to navigate and resolve any technical challenges that you may encounter.
Server on Backscatterer blacklist? Here’s how to fix it
Email server blacklisting create big problems while sending mails. And, it causes mail to fail with 550 errors. Although there are many blacklists, getting into Backscatterer blacklist can result in email failure up to 4 weeks. That's why, many customers approach us...
BIND EDNS – Here’s the right way to enable it
DNS servers are now a primary attack vector of cyber criminals. Unfortunately, such attack has a wide impact as it affect all domains. That's why, securing DNS servers becomes very critical for any organization. Luckily, security features like DNSSEC help greatly to...
How to setup DNSSEC chain of trust for your domain?
I noticed my domain fails in DNSSEC. Can you fix this? That was a recent support request from one of our customers at our Technical Support Services for Web hosts. DNSSEC aka DNS Security Extensions simply brings in security to DNS zone records using digital...
How to easily setup Gunicorn Django app?
Django is a popular way to build Python applications. Although it comes with a built-in server, it may create problems in production environment. That's where Gunicorn server helps. Gunicorn server can run python applications in multiple platforms. But, to run Python...
Webmin Docker module – An easy way to deploy containers
Docker comes as a light weight server solution. And, that makes it even more popular. But, does Webmin support Docker ? Yes. Luckily, Webmin docker module make things easier for Docker lovers. But, setting up Docker containers in Webmin involves a series of steps....
How to enable access to VirtualBox via SSH NAT ?
VirtualBox allows to create different guest virtual machines on top of the same host. And, it provides isolation from the host too. But, what if you need to access the guest machine via SSH? That's where Network Address Translation (NAT) helps. It allows SSH access...
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How to use Django with Fastcgi?
Web servers like Apache, Nginx, etc. do not know how to run Python applications. That's why, Django web applications need an interface like WSGI to communicate with web servers. But, what if the hosting servers do not support these WSGI (Web server gateway interface)?...
SMTP error from remote mail server after RCPT TO | Causes & Fixes
One commonly encountered email error is "SMTP error from the remote mail server after RCPT TO". It shows up when users try to send emails to other email accounts. Email errors can be really bothersome - they can hit you hard and unexpectedly when you attempt to send...
Physical Vs Virtual server : Which one should you choose?
Gone are the days where people thought of "servers" as big, bulky machines installed in data centers. Now, "servers" more often mean cloud instances or VPSs. All that being said, dedicated servers are still a favorite choice for many. Research shows that dedicated...
How to optimize and speed up your server by more than 20%
Server owners often upgrade the hardware in an attempt to speed up server. But, more often than not, server speed issues can be fixed by tweaking services.
How to secure a server
A locked gate is an obstacle, but a skilled attacker can easily defeat it. Now, what if this gate has 10 different kinds of locks, is rigged with an alarm, and leads to a mine field? Yeah, that would dissuade a vast majority of attackers. This approach to security is...
How to troubleshoot high load in linux web hosting servers
High load, aka high load average is the most common reason for business downtime in the web hosting industry. Applications freeze, websites timeout, and customers abandon cart. Yeah, we hate it too. That's why, here at Bobcares, our Experienced Server Admins monitor...
