bashtop – the ‘cool’ top alternative.

Meet bashtop, an esthetically pleasing system monitor, written completely in Bash. Yup, you can view all 5000 lines of code, by simply opening /usr/bin/bashtop with a text editor or view on Github. Over the years, the available options for command-line system monitoring tools have grown quite a bit. There is top, htop, glances, nmon, ytop, gtop, vtop, and […]

Apache Performance: Disable .htaccess

A while back, I searched the web for a performance article which I could forward to a client of StackLinux. An article explaining how using WordPress Cache plugins which make use of .htaccess, are almost always slower than plugins that don’t use .htaccess. Surprisingly, that search took a lot longer than expected, until I finally came across this […]

How to Optimize Your Cloud Services Cost

In this blog post, we review some of the biggest risks behind increasing services cost and how to optimize cloud services cost with a proper application monitoring solution. As modern software deployments continue to break down into smaller and more modular units, the world is seeing more moving parts in the deployment equation. The drivers […]

Disable cron emails (solution)

Cron is a daemon that executes scheduled commands. More specifically, the software utility cron is a time-based job scheduler for Unix-like operating systems, like Linux. Cron can be used to set up jobs to run periodically at fixed times, dates, or intervals. Cron is an extremely powerful tool because just about anything that you are able […]

Raspberry Pi Performance: Add ZRAM and these Kernel Parameters

A couple of weeks ago, I published a Pinebook Pro review article on this blog. Similar to the Pinebook Pro, the Raspberry Pi and more recently the Raspberry Pi 4, are also ARM based. I’ve applied some of the optimizations mentioned in that previous article to the Raspberry Pi 4, with good results. I wanted […]

SCP Linux – Securely Copy Files Using SCP examples

This post includes SCP examples. SCP or secure copy allows secure transferring of files between a local host and a remote host or between two remote hosts. It uses the same authentication and security as the Secure Shell (SSH) protocol from which it is based. SCP is loved for it’s simplicity, security and pre-installed availability.   SCP […]

MySQL Database Performance: Avoid this common mistake

One frequent topic of support request emails I receive is MySQL database performance. Clients complain about MySQL using too much server memory, too many MySQL slow queries, the famous Mysql server has gone away error and many other MySQL performance related issues. As such, I wanted to quickly share the solution to a common MySQL configuration […]

Home Lab Beginners guide – Hardware

Until recently, and for well over the past decade, my wife and I have been nomads. Moving from the Caribbean to Miami, New York, Las Vegas, Vancouver, and now back home. This has meant that for many of those years, my home office basically comprised of a few laptops and screens. These days, we are more […]

atop – For Linux server performance analysis

We’re all familiar with top, a real-time system monitor. Some prefer htop and previously I mentioned iotop for use with storage read/write monitoring. Lets looks at another popular tool for Linux server performance analysis: atop.   Advantages of atop Atop is an ASCII full-screen performance monitor which can log and report the activity of all server processes. One feature […]

htop: Quick Guide & Customization

htop is an interactive system-monitor, but also a process-viewer, process-manager, strace tool and more. Sysadmins may opt to use htop in cases where Unix top does not provide enough information about system processes. htop uses a cursor-controlled interface for sending signals to processes. One example where this comes in handy is: you don’t have to type […]