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computing:linux [2016/04/24 04:35] – oemb1905computing:linux [2017/10/14 01:12] – oemb1905
Line 1: Line 1:
-#Linux Basics +  * Linux Basics 
-#Jonathan Haack +  * Jonathan Haack 
-#Haack's Networking +  * Haack's Networking 
-#netcmnd@jonathanhaack.com+  * netcmnd@jonathanhaack.com
  
 ------------------------------------------- -------------------------------------------
Line 8: Line 8:
 #Debian and Ubuntu #Debian and Ubuntu
  
-cd /etc/apt +  cd /etc/apt 
-nano sources.lsit+  nano sources.lsit
  
 #Add this line to the file at the top and save changes via nano #Add this line to the file at the top and save changes via nano
  
-deb http://httpredir.debian.org/debian/ wheezy main contrib non-free+  deb http://httpredir.debian.org/debian/ wheezy main contrib non-free
  
 #I had to do the following - add jessie to apt-get - in order to get it to work despite the instructions #I had to do the following - add jessie to apt-get - in order to get it to work despite the instructions
  
-deb http://http.debian.net/debian/ jessie main contrib non-free+  deb http://http.debian.net/debian/ jessie main contrib non-free
  
 #Then, re-run apt-get to get these packages, then get the cutter #Then, re-run apt-get to get these packages, then get the cutter
  
-apt-get update +  apt-get update 
-apt-get install firmware-b43-installer+  apt-get install firmware-b43-installer
  
 #or ... it may be an older model, so use #or ... it may be an older model, so use
  
-apt-get install firmware-b43-lpphy-installer +  apt-get install firmware-b43-lpphy-installer 
-apt-get install firmware-b43legacy-installer+  apt-get install firmware-b43legacy-installer
  
 #to know which one, go to https://wiki.debian.org/bcm43xx#supported-b43, or  #to know which one, go to https://wiki.debian.org/bcm43xx#supported-b43, or 
  
 +----
  
 +#To install Google Chrome on Ubuntu and Linux:
  
 +#32-bit systems:
  
 +  wget -c https://dl.google.com/linux/direct/google-chrome-stable_current_i386.deb sudo dpkg -i google-chrome-*.deb
 +  sudo apt-get install -f
  
 +#For 64-bit systems:
  
 +  wget -c wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
 +  sudo dpkg -i google-chrome-*.deb
 +  sudo apt-get install -f
  
 +----
 +
 +#Bootable USB sticks on Intel Macs.  First, convert the .iso to udrw format.  The destination and source info shall contain the appropriate directory /Directory/detsination.img 
 +
 +  hdiutil convert -format UDRW -o destination_file.img source_file.iso
 +  
 +#Next, prepare the usb disk.  Obtain disk identifier.
 +
 +  diskutil list
 +  
 +#Prepare volume
 +
 +  diskutil partitionDisk /dev/[identifier] 1 "Free Space" "unused" "100%"
 +
 +#Copy the udrw to the flash drive with dd command:
 +
 +  dd if=[Directory/to/udrw/img] of=/dev/[identifier] bs=1m
 +
 +#Eject disk
 +
 +  diskutil eject /dev/disk2
 +  
 +#Plug into the Intel Mac, hold option while booting, select volume.
 +
 +#burning CD command
 +
 +  cdrecord -pad -dao -data blag-140k-i686.iso
 +  
 +#Linux password policy commmands
 +
 +  sudo nano /etc/pam.d/common-password
 +
 +#Prevent Log in - create file
 +
 +  /etc/nologin
 +  
 +#General lightrm dm settings here for user
 +
 +  cd /usr/share/lightdm/light.conf.d/
 +  
 +#Global lightdm settings here
 +
 +  cd /etc/lightdm/
 +  sudo nano lightdm.conf
 +  
 +#Lightdm Greeter in ubuntu-MATE is temperamental for screen lock and for greeter background, default & config loc.
 +
 +  /usr/share/common/backgrounds/ubuntu-mate-common/Ubuntu-Mate-Cold.jpg
 +  /etc/lightdm/lightdm-gtk-greeter.conf
 +  
 +#The .conf file should have the following for no guests and no named users and should have the following options:
 +
 +  [SeatDefaults]
 +  allow-guest=false
 +  greeter-hide-users=true
 +
 +#downloading scripts and installing scripts with wget from command line with piping, e.g., from DO.
 +
 +  curl -sSL https://agent.digitalocean.com/install.sh | sh
 +
 +#check distro version debian systems
 +
 +  lsb_release -a
 +
 +#command-line / text only way to add authorized_keys using ngrok tunnel
 +
 +  ./ngrok http 80
 +  wget https://[ngrok tunnel]/id_rsa.pub
 +  cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
 +
 +#query hosts on the lan
 +
 +  avahi-browse -tl _workstation._tcp
 +
 +#Ubuntu-MATE desktop environment and MATE themes on Debian (do not upgrade until you disable these).
 +  
 +  sudo apt install mate-tweak
 +  cd /etc/apt/sources.list
 +  sudo nano sources.list
 +  <add contrib non-free to default debian repositories>
 +  sudo apt update
 +  sudo apt upgrade
 +  sudo reboot
 +  <upon reboot, begin the harvesting of ubuntu-MATE themes>
 +  cd /etc/apt/sources.list
 +  sudo nano sources.list
 +    <in the config file you just opened add the two repos below - no braces!>
 +    <deb http://us.archive.ubuntu.com/ubuntu yakkety main restricted non-free>
 +    <deb http://us.archive.ubuntu.com/ubuntu yakkety universe main restricted non-free> 
 +  sudo apt update
 +  sudo apt install ubuntu-keyring-archive
 +  sudo apt update
 +  sudo apt install ubuntu-mate*
 +    <computer might crash during install, reboot, repeat or remove wildcard and install piecemeal>
 +  sudo apt autoremove
 +  cd /etc/apt/sources.list
 +  sudo nano sources.list
 +    <change the config file and comment out ubuntu repositories> 
 +    <#deb http://us.archive.ubuntu.com/ubuntu yakkety main restricted non-free>
 +    <#deb http://us.archive.ubuntu.com/ubuntu yakkety universe main restricted non-free>
 +  sudo apt update
 +  sudo apt autoremove
 +  sudo apt update
 +  sudo apt upgrade
 +  sudo reboot
 +    <there could / will be problems when you attempt to sudo apt update - if so>
 +  sudo apt update --fix-missing <may need to run with and without ubuntu repos>
 +  sudo dpkg --reconfigure -a
 +    <there may also be a file in var that needs removed - be careful>
 +  rm -rf /var/<path/to/locked/file/from/apt/update/on/ubuntu>
 +    
 +#mac fan control
 +
 +  apt-get update
 +  apt-get install macfanctld
 +  /etc/macfanctl.conf
 +  <set desired values>
 +  service macfanctld restart
 +  
 +#openWRT Notes ... tutorial 1, establishing https after First Boot ...
 +
 +  opkg update
 +  opkg install luci-lib-px5g px5g-standalone libustream-openssl
 +  opkg install luci
 +  /etc/init.d/uhttpd restart
 +
 +#openWRT openVPN  
 +
 +#samba share basics
 +  
 +  sudo apt update
 +  sudo apt install samba
 +  sudo adduser username
 +  sudo smbpasswd -a username
 +  mkdir /home/username/sharename
 +  nano /etc/samba/smb.conf
 +  [sharename]
 +  path = /home/username/sharename
 +  available = yes
 +  valid users = camalas
 +  read only = no
 +  browseable = yes
 +  public = yes
 +  writable = yes
 +
 +#Notes from Schaefer Consulting work
 +
 +Verifying eop (power line) connection between two devices (adapter), and then deploying
 +
 +#eop - start network manager or restart or stop
 +  /etc/init.d/network-manager stop <start/restart>
 +#eop - verify dhcp client is working for device eno1 with verbose out
 +  dhclient -v eno1
 +#eop - preferred address assignment protocol using CIDR notation on device eno1
 +  ip address add 192.1##.1##.2/24 dev eno1
 +#eop - verify connection status on eno1
 +  ethtool eno1  
 +
 +#interface with switch using screen
 +  screen /dev/ttyUSB0/ 19200
 +
 +#calculate subnet automatically
 +  subnetcalc
 +  
 +#Establish ssh proxy server on localhost by Dynamically binding the localhost to the server
 +  ssh -D <port#> <user>@<domain.com>
 +  
 +#get block ID
 +  blkid
 +  
 +#get list of adapters and chipset manufacturers
 +  lspci
 +
 +#nmap
 +  nmap -sP 10.##.##.0/24
 +  
 +#git
 +  git clone ssh://<user>@<##.##.##.##>/home/git .
 +  
 +#tcpdump common uses
 +
 +  tcpdump -n -i <eth0> <host> <ip>
 +  tcpdump -n -i <eth0> <port> <#>
 +
 +#find utils
 +
 +  find . -iname "<name>" 
 +
 + --- //[[netcmnd@jonathanhaack.com|oemb1905]] 2017/06/30 23:53//

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