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Home Archives for cloud, edge and everything in between administration and orchestration web servers in the cloud NGINX
How to fix the NGINX error “Failed to read PID from file”, quick and easy

Cloud Insidr 2017-12-16 Leave a Comment

How to fix the NGINX error “Failed to read PID from file”, quick and easy

Here’s a tip on how to fix the error message:

nginx.service: Failed to read PID from file /run/nginx.pid: Invalid argument

quick and easy. This fix should do it for you.

[Read more…]

Filed Under: NGINX Tagged With: NGINX, systemd

Maximize your PHP session security by fixing errors and closing the session adoption vulnerability that allows session fixation attacks

Cloud Insidr 2017-02-20 Leave a Comment

Maximize your PHP session security by fixing errors and closing the session adoption vulnerability that allows session fixation attacks

When the server can’t write to the session data directory, if will use /var/cache/nginx/fastcgi_temp/ and complain in the error log. You don’t want any of these errors, but a setting considered insecure will not even be reported as such. Here is how to bolster your PHP 7 session security with NGINX and php-fpm.

[Read more…]

Filed Under: cybersecurity and cyber warfare, NGINX, php-fpm, web servers in the cloud Tagged With: NGINX, permissions, PHP 7, php-fpm, session, session adoption, session fixation

How to set up remote access via SFTP to a web server root directory on RHEL/CentOS/Fedora using key pairs

Cloud Insidr 2016-11-27 Leave a Comment

How to set up remote access via SFTP to a web server root directory on RHEL/CentOS/Fedora using key pairs

Your users want to access a web server instance as a staging or production environment for DevOps… They want access to the web server document root of the sites they manage. Your job is to maintain the integrity of the whole system in terms of cyber security.

If you happen to be running a web server on Linux—for example in EC2 on Amazon AWS—and need to provide site owners remote access in a secure and responsible manner, here is how to do it.

[Read more…]

Filed Under: administration and orchestration, cybersecurity and cyber warfare, encryption, Linux, NGINX, SELinux, web servers in the cloud Tagged With: DevOps, Dreamweaver, Linux, NGINX, SELinux, SFTP

WordPress Says Your Host May Have Disabled The mail() Function. Here Is How to Fix It.

Cloud Insidr 2016-02-14 Leave a Comment

WordPress Says Your Host May Have Disabled The mail() Function. Here Is How to Fix It.

Some WordPress installations stubbornly refuse requests for a password reset link, showing the user this error message instead:

The email could not be sent.
Possible reason: your host may have disabled the mail() function.

WordPress’ error massage is anything but insightful. The underlying cause usually involves SELinux. Let us introduce you to an easy fix that does not involve plug-ins or external email services. Buckle up.

[Read more…]

Filed Under: administration and orchestration, cloud, edge and everything in between, mail servers, NGINX, web servers in the cloud Tagged With: NGINX, postfix, SELinux, WordPress

How to set up Letsencrypt certificates on AWS EC2

Anna E Kobylinska 2016-02-10 Leave a Comment

How to set up Letsencrypt certificates on AWS EC2

[updated 2018-06-12] As browser makers continue their push for HTTPS and mobile applications are becoming the target of MITM (man-in-the-middle) attacks, cloud developers and administrators are scrambling to find affordable SSL certificates that can live up to the demands of the cloud era. Enter Let’s Encrypt, a new Certificate Authority that is open, fully automated, and free to use, with an almost unprecedented, generous allotment of 100 host names per certificate. Let’s Encrypt delivers on the promise of a worry-free, fully encrypted web 3.0. Cloud Insidr lifts the veil off of Let’s Encrypt’s setup, configuration, its few surprises and hidden gems.

[Read more…]

Filed Under: administration and orchestration, cloud, edge and everything in between, cybersecurity and cyber warfare, encryption, mail servers, NGINX, web servers in the cloud Tagged With: certbot, certificate, letsencrypt, RSA, SSL

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