rants and (hopefully) useful info
Most often, if you’d like to know what your router IP address is, you need to have access to its interface via a browser, or similar such gadgets. Here’s a few convenient one-liners which will give you that info more easily/conveniently… #get WAN address dig +short myip.opendns.com @resolver1.opendns.com #get DHCP server address(es)… cat /var/lib/dhcp/dhclient*leases \…
Maybe I did it wrong, but the way my various LANs and systems are set up, I can’t always get to a few of my endpoints without a 2 step process of doing an SSH to 1 “server”, and then from there, doing a 2nd SSH to the desired endpoint. eg. If the remote endpoint…
Once you have set up your ssh keys on the remote host (the server), and also on the local client (your PC), you can connect without (necessarily) having to input a password. To make this secure, the 2 connecting machines need to establish that you’re an OK person on both sides by exchanging keys which…
There are MANY such guides on the internet – this one is probably not any different or better than those. You should read the man-page for SSH-keygen. THE best resource/book that I have read on the topic is SSH Mastery – Michael W Lucas. His books are generally some of the best on each topic…
If you’re currently a WinX user, and would like to run BASH/ZSH type commands, BUT, you are NOT keen to go the w10 route with its built in ubuntu-shell….. There are a few options available to you: msys2 gitbash this was initially my preferred choice, but I had some compatibility issues with SSH/GPG, so I…
A couple of useful keystrokes for vi command mode / search (down) n=next occurance (down) ? search (up) N=next occurance (up) dd delete line(s) 5dd delete 5 line(s) u undo delete . repeat command yy copy line(s) 5yy copy 5 line(s) p paste line(s) edit mode i INSERT (mode) :r FILENAME insert contents of FILENAME…
For the record – these are lookups – NOT my creations. I will add more as I go #Backup & clear history DATE=`date +%Y%m%d-%H%M` mv ~/.zsh_history{,.$DATE} cat /dev/null > ~/.zsh_history #HDD space (without clutter) df -h | grep -v “tmp\|udev” #send contents into a file (you need to \escape any \$variables within the CONTENTS+COMMANDS) cat