Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
Self-tutoring about Linux text editors: the tutor mentions selecting multiple lines in Nano. Here is how it works for me: Ctrl+^ to start the selection, then use the arrow keys to extend it. Ctrl+K cuts, while Ctrl+U uncuts to your …
Self-tutoring about Linux: the tutor mentions Lubuntu. In my post from Feb 18, 2020, I mention Lubuntu. It has slim resource requirements. I’m running it right now. This computer has 1GByte of ram and it’s a Pentium 4. The fact …
Self-tutoring about Linux: the tutor mentions a neat trick. When you’re from the 70s (as I am), you might carry mental baggage. I recall the PrtScr button back from my first days with DOS. I might have used it then. …
Self-tutoring about Ubuntu: the tutor mentions sudo. In Linux, some tasks require elevated privileges. Trying to do such an action without assuming elevated privilege (sudo in Ubuntu) may lead to an error. The system is designed to prevent less-privileged users …
Self-tutoring about Ubuntu Linux: the tutor mentions command-line update. I resurrected a computer that likely hadn’t run in 8 years (or longer) using Lubuntu. It identifies, from the terminal, as Ubuntu 18.04. I tried updating its software from the GUI …
Linux: how to update (L)ubuntu 18.04 from the terminal Read more »
Self-tutoring about Linux: the tutor mentions Linux block devices and how to discover the file system type. In a Linux file system, a block device is a device listed as if it’s a file in a directory. The command lsblk …
The tutor shows how to get a graph and equation for data using LibreOffice Calc, in six easy steps. Let’s imagine your x-data is in a1:a5, your y-data, b1:b5. Select the range a1:b5. Click the Chart icon, which looks like …
Spreadsheets: LibreOffice Calc: how to get a graph and equation from data Read more »
The tutor shares a hint he noticed recently. When I started with computers, I don’t believe you could have a folder name like this folder: as I recall, you couldn’t have a space in the name. (You could have an …
Continuing about css3 gradient effects, the tutor discusses some of the browsers that do or don’t support them. In my previous two posts (here and here), I’ve been talking about the css3 gradient effect. I’ve acknowledged that not everyone viewing …
Web design: css3 gradient, part III: browser support Read more »
The tutor tells a useful hint he learned from unix.com. Sometimes, searching a directory in Linux, the results are so numerous that the user is plunged to the end, not being able to see the early or middle entries. There …