4peaks for linux4/10/2023 ![]() Each LPAR and combination of LPARs with MLC products running in them can have a different peak R4HA for the month. It is also essential to understand that there will likely be multiple peaks for you to tune. It is important to understand that the R4HA is for the entire LPAR and not just Db2, so tuning anything that runs within the four-hour span around 2:05 AM on the last Friday of the month can possibly provide cost savings. For example, if you run Db2 for z/OS in one LPAR and that LPAR reaches a peak R4HA utilization of 120 MSUs on the last Friday of the month at 2:05 AM, then your monthly charge for Db2 would be based on 120 MSUs being used. Recall from my earlier post that IBM MLC software is billed monthly based on the peak R4HA utilization for the month. And sure, tuning those programs is a good idea, but it might not really provide you much, if any, cost savings. So, instead of focusing on tuning programs that run in workloads that contribute to the peak rolling four-hour average (R4HA), tuning efforts are applied to programs that consume the most resources. Or at least the major contributor to those costs, which is your monthly software bill. Unfortunately, tuning to achieve cost savings is frequently undertaken without a good understanding of just how mainframe costs are calculated. But a close second is likely to be cost reduction. The quicker an application responds, the happier the people that use it will be. Surely the most important reason is to provide faster access to your end users. Let us know your thoughts in the comments below.There are many reasons for tuning your mainframe applications. But then again, you might have a favorite that we’ve missed. We’ve tried to list all the essential applications for a Linux user here. It is available for Android, iOS, Linux, Windows, and macOS as well. ![]() But usually, you need your smartphone along with an authentication app for the codes, right? Fret not, with Authy, an alternative to Google Authenticator, you’ll be able to sync 2FA codes across devices without the risk of losing them. There are numerous uses for it – go explore!Īlmost everyone uses 2-factor authentication to secure their online accounts. VirtualBox is an amazing free and open-source virtualization solution for those who want to try different distros (or experiment with stuff) without affecting your host system. If you don’t like it, there are alternatives like Rambox. You just have to launch a single application (and sign in to multiple services) to keep up with all the communication you need without switching to different applications. Franz combines almost all the essential messaging/email services under one roof. With this app, you no longer have to switch between different browser tabs or applications while working on something. Do subscribe to our YouTube channel for more educational Linux videos like this one: We’ve also had a video on this before (with a few different apps). So, you’re more than welcome to mention your favorite applications in the comments section too. I’m not saying that they are the best, but I’ve tried lots of applications in each category and these are the ones I liked the most. I’ve put together a list of the essential Linux applications that I prefer to use in different categories. Finding the right application for your needs can be quite a confusing and tiresome task. ![]() ![]() Trying to find a decent music player? Lots of alternatives there too.īut not all of them are built with the same thing in mind – some of them might target minimalism, while others might offer tons of features. In the world of Linux, there are alternatives to everything. Choosing a distro? There are dozens of them. Here, we’ve listed the best Linux applications that you should have installed on every Linux distribution you use. But there are still some essential Linux apps that are more likely to be used by most Linux users. Brief: What are the must-have applications for Linux? The answer is subjective, and it depends on what purposes you have for using desktop Linux. ![]()
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