SYS 255 Tech Journal - DefiantCoder/Tech-Journals GitHub Wiki

• Lab 1 - lusrmgr.msc is a simple way to get to the local users and group manager. tracert /h (number of hops wanted) (what site/ ip you are trying to reach) this can show the number of hops specified and their information between the device and location in question. whoami == account, hostname == machine name.

• Lab 2 - When adding my users to ad01 I accidently added them to the adam.local domain. In testing you can right click on the users and select move to move the users to the proper User folder. In testing I found that dragging and dropping will move it but not mend the directory path potentially leading to issues. Through this mistake I had some fun experimenting with active directories.

*Lab 3 nmap- displays what ports are open on various nodes of a network cd .. - goes back one level of the directory pwd - shows current directory kill - kills current process man - used in conjunction with a command to show all potential commands ie: ip man In this lab I ran into issues which stemmed from typos or typing the wrong name, always make sure to check the commands and imputed data for mistakes when issues arise. If you have an issue with intercommunication between devices on a DNS but they can communicate to the internet check the DNS settings for the machine, mistakes there can cause these issues to arise.

*Lab4 - always double check syntax, don't forget the d for daemons, this is a simple mistake that can be frustrating. you need to restart things when you make changes, changing dhcpd, firewall ... other or the changes will not be run. in wireshark you can search by port or by searching the protocol. (you can also search IP)

*Lab 4 pt2 - To create a group: groupadd [options] groupname , to add users to a group: usermod -aG groupname username , to change ownership of files/ dir: chown ownername filename to change privilages: chmod xxx filename r=4 w=2 x=1 ,

*Lab 5 Preparation for Assessment: To Prepare for this assignment I will look over my previous notes both on the tech journal as well as other notes, I am also creating a note sheet specifically for this assignment I am creating a note sheet which contains the links to all the labs, a general list of what needs to be done as well as some tips that will assist me when tackling the lab. I will also create a spot for all passwords and ips to go to

-F '[insert something]' this can be used to separate Ping sweeper: https://linuxsecurityblog.com/2019/08/21/write-a-ping-sweeper-in-4-lines-of-bash/