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Showing posts with the label Ubuntu

Iptables - Firewall for Linux

Let's briefly look at some virtual firewalls in Linux. This is Iptables, running in my Ubuntu Server. Remember that? What is CHAIN in this context? My best guess is 'the route a packet takes'. Think "At this point in the process, what should happen to this packet?" [ 1 ] Here, it's saying "Forward everything!". At which point, you may as well not have a firewall at all. So let's set some rules on this bad boy;
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Fun With Wireshark: On Ubuntu

This is Wireshark 2.6.8 (Git v.2.6.8)  As with installing anything on Ubuntu, it's never a straightforward process, but it is always a good time to practice inputting commands in the terminal!
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Network Monitoring with EtherApe

Happy American Holiday Week! This is a very short post. This new VM is from the Parrot Project . Snazzy.
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It's An Ubuntu Server! To The Cloud

We haven't forgotten about you, Ubuntu. I need some help with this one, folks; Sync with client apps and generate and share links. LAMP stack (Linux, Apache, MySQL, and PHP), configure a database manually. Cool, but how about we just use the snap packaging system.
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It's An Ubuntu Server!: But You Can't Visit

We didn’t stop the Ubuntu party! Let’s block domains! I had to check to remind myself that yes, we do have dnsmasq installed.
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#LearnedIT: IT Security Foundations: Protecting Our Email

Specifically, the Understanding Email Protection submenu. Here is the link to the course in full. Kubernetes and Ubuntu stuff is still happening, but I keep you on your toes here. Did you expect that? A lot of this is review so I'll note the parts we should know.
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It's An Ubuntu Server!: What's Goin' On With It?

What's going on is that now we're downloading another program called Cockpit to monitor Saturnine-U. Considering our server doesn't have a GUI, this will be interesting.
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It's An Ubuntu Server!: Username Resolution with DNSmasq

I don’t actually have a domain name to use but let’s pretend!
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It's An Ubuntu Server! (Parts 1 - 3)

Welcome! I've taken my progress from Building an Ubuntu Server from a private Google Doc (It's not helping me there) to here, where people can read it. This is the first three parts culminated into one, we'll update ... updates separately later. I used Linux systems quite a lot in college, and need a refresher. We’re using 16.04.4 (Xenial Xerus), no GUI, terminal only. It’s on my Virtual Box. So far, I've learned;
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