75 articles Uncategorized Page 2 / 8

Installing Comodo SSL CA bundle.

Comodo SSL  when you buy their cheep SSL package, gives you three CA bundle files that have to be installed in the right order. If not put in a certain order, the cert won’t work. The order is: COMODORSADomainValidationSecureServerCA.crtCOMODORSAAddTrustCA.crt   AddTrustExternalCARoot.crt I have a command that will allow you to install them to a new file you can…

How to Purge/Ban An Entire Domain in Varnish Cache 3.

Ban is a bit different from Purge. Banned objects remain in memory, but banning is faster than purging(which you do one by one).   It does not actually remove the object, just bans it from being used. Like sweeping it under the rug.  Here is the official Varnish 3 Documentation  https://www.varnish-cache.org/docs/3.0/tutorial/purging.html. Purge may be more of…

Securing WordPress

This article walks you through the basics of WordPress Security and what ‘steps’ to take. I do not feel like rewriting the wheel,  so I will outline the steps and tell you to  follow Wpmudev’s Kevin Muldoon’s article on WordPress Security: The Ultimate Guide.  http://premium.wpmudev.org/blog/keeping-wordpress-secure-the-ultimate-guide/.  If you follow the majority of the suggestions  in Kevin’s…

Jail a SFTP user chrooted to home directy using bind mount.

Today we will add a username to a home dir home directory (/home/bob/) that has access to your website in your vhost directory (/var/www/vhosts/pants.com). The best part they cannot ssh to the server, they will only access via sftp clients. NOTE: (replace variable words username or domain.com with actual name) Configure User Create a group…

webserver troubleshooting.

DNS pointed to server? load memory Port available Apache listening? max clients Vhost enabled? Does the document root point to the location of your files? Is your web server serving the correct index files? Are the permissions and ownership of the file and directory structures correct? Are you restricting access through your configuration files? Denied…

Adding Auto Scale with Rackspace Cloud Monitoring Aerts.

Why Add Auto Scaling to Cloud Monitoring Alerts? Autoscaling can allow you continue to reach your intended audience even after your Webserver infrastructure has a abnormally large amount of traffic, and could be causing performance issues. Automatically having one, two, or three extra servers will help keep your website up and running until your traffic,…

How to setup NFS with master and slaves.

Why use NFS? NFS is usually our best method for sharing web content in the quickest fashion amongst web servers without complicating things. Although it presents a single point of failure, it scales well when adding additional web heads. This should probably be used when customers applications aren’t built for a multi server environment. Configuring…