Sometimes in the course of a system’s existence you find that the swap partition you set up at install-time just isn’t enough anymore. Maybe you’re upgrading your system to RedHat 7.1 from a version of RedHat that used less swap in relation to physical RAM. Perhaps you’re running Oracle. Or maybe you’re adding more memory […]
Okay, say you have a server, you have to ssh to this server … say 20 times a day? It gets irritating having to login and type your password repeatedly. Not to mention it can be insecure if anyone is sniffing the network. So on your desktop machine you want to create some keys. This […]
In the world of operating system design, a lot of critical decisions are made by the developers concerning how the system uses the limited resources available to it. Part of the design pertains to memory, and making use thereof. Most modern operating systems go by the theory that “free” can be equated with wasted when […]