Tag Archives: sysadmins

Does your Linux server need a RAM upgrade? Lets check with free, top, vmstat and sar.

Based on the output of ‘free -m’ on a 1GB VPS and taking into consideration the amount of swap space in use (details below), a RAM upgrade was necessary. Required was a minimum of 3GB of RAM multiplied by 2 = 6GB. This ensures that there’s adequate memory available for buffers/cache. This article will walk you though performing […]

Panopta (exclusive offer) Get Two Free Months

Over the years Panopta has listened to customer feedback and continues to respond with additional development and improvements to their infrastructure, application and network performance monitoring tools. With Panopta you can easily keep an eye on the most fundamental metrics across your complex infrastructure so you can identify the root cause of problems. If you […]

80% of the web powered by PHP

Today, PHP is used by more than 80% of all the websites whose server-side programming language we know. Popular websites such as Facebook, Wikipedia, WordPress.com, Tumblr and this website are all powered by PHP. With such a large share of the web, it may or may not surprise you that more than 90% of PHP based websites […]

Accelerate Time to Value for Log Analytics with the Oracle Management Cloud

Guest post by Philip Brown, Director of Cloud Strategy @ Red Stack Tech. Oracle Management Cloud is the latest innovation from Oracle, a unique on-premise and in cloud suite of monitoring, management and analytics services, meeting the individual needs of each business. This unified suite enables you to improve IT stability, prevent application outages, increase DevOps […]

Apache Performance: Disable .htaccess

About 3 years ago I wrote a short blog entry about the very basic Apache configuration mistakes and oversights which developers and server admins of the then $500 million dollar Healthcare.gov website made. Most shocking, were elemental oversights, as if devs were not aware of common best practices. Which brings us to another Apache performance related entry. A while […]

Your Web Host Doesn’t Want You To Read This: Benchmark Your VPS

Last update Nov 2nd 2016: Included quick dd commands to check cached vs uncached disk read performance. There are several Linux benchmarking tools available. However, this article will highlight using the ‘dd’ Unix command for a quick overview and benchmark of your Linux server or VPS. ‘dd’ requires no downloads and can quickly alert you to any […]