CompTIA Project+ PK0-004 – Managing the Project Risks Part 1

1. What’s a risk appetite? A term that we use often in project management, especially from a portfolio management perspective, is risk appetite. In this lecture, we’ll take a quick look at exploring attitudes towards risk. Often when we think about risk, we think of when we’re taking a risk that’s dangerous, but really risk,… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 7

60. grep Alright, so Grep, as we talk about a little bit more, is a tool that we use to do a pattern matching. It uses what’s called regular expressions. You probably have heard a lot of Linux and Unix people talking about Grep all the time. In fact, when people are working with files… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 6

50. Sample rsyslog.conf So let’s take a look at an example of what you might see. If you were to edit the Rsyslog config file, what you would see is a list of what we like to call the facilities and severity levels of what we want to look at. Now, what that means to… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 5

39. The uptime Command Another command that a lot of people like is the uptime command. The uptime just lets you know how long this thing’s been running the system itself since the last reboot or power on. Now, some of you may be encouraged to find these sites. We used to see them all… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 4

30. Topic C: Performance Monitoring All right, so now we’re going to look at some of these proactive things we can do to make sure our system is running well. Now, I keep emphasizing proactive. I’m big into that. I don’t like waiting till there’s a problem and then trying to figure out what’s happening.… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 3

20. Demo – Backing Up with dd Well, we’re going to look at using DD to do some of our backups. And what we need to know is the name of the device that some of our hard drives are mounted. So we need the Cat command to throw out some information about our different… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 2

13. Tape Archives Part Well, now that we’ve talked about compression, the next thing is backup. And that’s kind of what we said we’re going to start with, is talking about doing backups. Now, understand that the compression used to be something we did when we stored files on our servers because we didn’t have… Read More »

CompTIA Linux+ XK0-005 – Unit 08 – System Maintenance Part 1

1. System Maintenance All right. So in this unit we’re going to talk about system maintenance. Our goal here is to make sure that we are preparing for the worst things to happen and that is the way we’re going to start it off with kind of that negative tone. We’re going to say, look,… Read More »

CompTIA Linux+ XK0-005 – Unit 07 – Process and Module Management Part 4

30. Demo – Viewing Kernel Information All right, we’re going to take a look at some of our kernel information and I’m going to start off here with the little command like you name and there’s the kernel. That was exciting. It was just plain old Linux. Well let’s try that. You name again with… Read More »

CompTIA Linux+ XK0-005 – Unit 07 – Process and Module Management Part 3

19. Foreground and Background Now, another option you have is to run the same type of command but in the background so that it’s not in the foreground waiting to be finished before you can go back to your shell to do that which we described before was called a foreground process. We run it… Read More »