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Server administration


7 reasons for Laravel “something went wrong” error, and how to fix them

During a new App setup, app migration or update, Laravel might show the error : “Whoops, looks like something went wrong.

Errors can be frustrating, but what makes it even more frustrating is when it is cryptic like this:

Laravel something went wrong (more…)

Want multiple Docker containers on the same port? Here’s how

Docker helps web developers get their apps online without bugs.

But it can be a bit hard to complete the loop, and use Docker in production servers as well.

Here at Bobcares.com, we help web developers and digital marketers to setup and maintain Docker based web hosting servers.

And a common challenge we resolve is : “How to use One server to run several hundred sites running on Docker containers.(more…)

10 uncommon causes for Apache CGI Internal Server Error, and how to fix them

Apache’s CGI mode allows webmaster’s to reduce memory usage. It is the preferred way to run many low traffic websites.

But the CGI mode is pretty sensitive to things such as permissions and file encoding, that leads to 500 Internal Server Error. (more…)

How to connect two EC2 instances in AWS (Amazon Web Services)

To run a website, you need several services such as web server, database server, mail server and more.

These services need to communicate with each other to make web apps work.

But in AWS, this communication can break due to default security settings.

(more…)

How to fix error “DKIM-Result: fail (bad signature)” and prevent mail bounce

DKIM-Result: fail (bad signature)” is an error reported by www.appmaildev.com – a DKIM validation website.

It means that the mail sender’s domain (say sender.com) failed an anti-spam test called DKIM, that is used to block fake or altered mails. (more…)

Error “Failed to authenticate on SMTP server with username” – Causes & fixes

Almost every PHP application relies on mail functions to send contact requests, newsletters, and more.

The most secure way to send these mails is to use SMTP authentication – that is, the PHP app uses a username and password to transfer mails to an SMTP server.

But this authentication can sometimes fail with the error:

Failed to authenticate on SMTP server with username "user@example.com" using XX possible authenticators

(more…)

Failed to connect to mailserver at – 5 causes & fixes for this PHP error

Here at Bobcares.com, we provide Outsourced Tech Support to web hosting providers. As part of our service, we resolve website errors posted by hosting users.

A common error we’ve seen in PHP applications is:

Warning: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini

(more…)