How Active VisitorTracker Campaign malware spreads and how to block it
On 18th Sep, Sucuri reported a sudden spike in the number of WordPress, Joomla and other CMS sites infected with the now infamous visitorTracker_isMob malware code. Using a malware signature published...
View Article2 non-obvious reasons for "550-Please turn on SMTP Authentication" error in...
SMTP error from remote mail server after RCPT TO:<user@domain.com>: host domain.com [xx.xx.xx.xx]: 550-Please turn on SMTP Authentication in your mail client. 550-(mail.server.net)...
View ArticleBullet proof Django security - How application isolation in Docker improves...
When it comes to security, the rule of thumb is, any open vulnerability WILL be exploited sooner than later. Django provides a strong foundation for to build secure web applications, but is that...
View ArticleAre your servers secure?
Are your servers secure? In a word, No. No machine connected to the internet is 100% secure. This doesn't mean that you are helpless. You can take measures to avoid hacks, and give your customers...
View ArticleRapid web application deployment - How to use Docker to reduce time to market
Release early, release often. And listen to your customers. This famous philosophy (abbreviated RERO) by Eric Raymond is now the de-facto product planning strategy of web application developers. It...
View ArticleHow to troubleshoot high load in linux web hosting servers
Even in this age of high configuration servers and cloud instances, server load spikes are all too common. Getting the approach right is half the work done in troubleshooting a high server load. In our...
View ArticleHardware vs Software firewall: A brief comparison
“Google has listed your server as a malware source! Its been hacked into, and is being used to spread malware!” I'm sure this is a message that you never hope to get in your mailbox. But, how confident...
View ArticlePreventing DDoS Attacks
DDOS, or Distributed Denial of Service is an advanced version of DOS (Denial of Service) attack. Like DOS, DDOS also tries to deny important services running on a server by broadcasting packets to the...
View ArticleTop 5 operating systems for your Docker infrastructure
Recently we covered how CoreOS can be a great operating system for secure, scalable Docker based infrastructure. Docker docs says that you can get Docker working in 11 major operating systems that...
View ArticleConfiguring Apache for Maximum Performance
Apache is an open-source HTTP server implementation. It is still the most popular web server on the Internet. The August 2015 Web Server Survey conducted by Netcraft [1] shows that about 37.51% of the...
View ArticlecPanel Log Rotation - Effective solution to log file growth
A log file can grow without bounds if it is not managed well. Larger log files are relatively harder to manipulate and also increase in the size of log file can result in file systems to run out of...
View ArticleWordPress VPS hosting simplified - Using Docker to deliver light, scalable...
As we've seen in a previous post, WordPress multisite is a great way to deliver multi-tenant WordPress hosting. However, multisite doesn't allow customers access to the WordPress back-end in case they...
View ArticleWordPress Multisite SSL - How to enable shared or dedicated HTTPS in WPMU...
OK. So, I started off writing this post explaining why SSL is important and how Google considers HTTPS as a ranking signal, but then I realized no one really needs a pitch on why secure website access...
View ArticleOutsourcing customer service - What you should expect from your service provider
As the old adage goes, it's you should work ON your business, not IN it. If the time you spend maintaining your business is greater than time spent in marketing and innovation, it's time for you to...
View ArticleWordPress server optimization - How to tune your server for a lightning fast...
Google's Webmaster Trends Analyst John Mueller recently termed a 2 seconds page load time as an "extremely high response time". The 2-second page load time benchmark is not new, but many websites still...
View ArticleCoreOS & Docker - An easy way to deploy secure, scalable web application...
If you are an early adopter of Docker, chances are that you are running it on a popular distro like Red Hat, CentOS or Ubuntu. This was the case with a few web application systems we managed. We soon...
View ArticleDocker management simplified - How to use Cockpit to deploy and manage Docker...
1. Docker installed - Check. 2. Get image - Check. 3. Deploy container - Check. With Docker, deployment is as easy as that. Sysadmins and developers have moved away from the Vagrant days, and have...
View ArticleHow to secure WordPress - A definitive checklist for webmasters and WordPress...
WordPress takes security very seriously. As of Aug 20, 2015, WordPress has released 17 "minor" revisions, most of which fixed vulnerabilities reported just hours before. In WordPress v3.7+ websites...
View ArticleHow to start Managed WordPress Hosting with a single WordPress...
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View ArticleConfiguration management made easy - How Docker and Cockpit was used to...
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