At Silicon Dales, we like CentOS, and often our tutorials are posted with commands which will work best in CentOS (or similar) Linux flavours.
Often, when logging into via SSH to an Amazon EC2 instance, you are told that there are several updates (usually including security updates) waiting to be updated on your system. The panel on Amazon Linux even goes so far as to explain how one might go about updating to this version. HOWEVER, as this may …
Have you ever wanted to zip an entire directory, but exclude the contents of one or two (or more!) sub-directories, using PuTTy (or another terminal) over SSH. I know I have – this is a great way to backup a website, or make a copy of a website, and exclude big folders you don’t need, …
If you have recently setup an Amazon EC2 instance and would like to configure access to Port 443 (HTTPS:// traffic) on your new instance, there are a few things you should do. First Step – Allow Port 443 in your Security Group Firstly, you need to tell your EC2 instance that it is allowed to …
If you have recently installed WordPress, or you have just started tinkering with some image or other (such as the header image in the default WordPress theme) on a new installation, you might have run into the following problem: Image could not be processed. Please go back and try again. When the above comes through, …
A quick and simple command you might need from time-to-time if you’re running apache webservers in one or other Linux flavour. We often grab EC2 instances on Amazon, for example, for our clients and, for various reasons, we want the server to know what time it is here in the UK! So here’s the command …
Some time ago, I wrote a short blog post explaining how to go about installing XCache on an Amazon EC2 instance to help with opcode caching. More recently, we’ve begun using APC for similar reasons, with excellent results, including on Amazon EC2 Micro instances, which can be used under their free usage tier to run …
Just the code you need for responding to this error. The following message can sometime prevent MySQL from (re)starting: Another MySQL daemon already running with the same unix socket. Sometimes, this message displays when you KNOW there is not another MySQL daemon running on the same unix socket, because you just issued a “stop” command …
The tutorial below explains how to install Soapclient for PHP in a Linux system which is showing that this is not included. This may, for our clients, show up in your WooCommerce status page, and some plugins rely upon this to go about their business. The commands below will allow sysadmin to get this installed. …
There is a Linux vulnerability known as Dirty COW which surfaced a week or so ago, for which there have been frequent warnings around the Linux community pretty much as soon as the vulnerability was uncovered, as it is a particularly nasty one which can, in some circumstances, allow malevolent forces to gain control of …
If you’re ever using PuTTy or another terminal window to SSH into your server and you want to know “how old is that file” (or, at least, what date was it last modified) then the command below will allow you to find out just that information! How to find file creation date using Unix ls …
