Обучение Power Query видео на русском языке. В ролике показана консолидация данных из одной папки из нескольких файлов Excel (в каждом файле для консолидации используется несколько листов).
In this Linux/Mac terminal tutorial, we will be learning how to configure ssh keys so that we can login to our servers without a password. Not only is this more convenient, but it is also more secure. This also allows us to write automated scripts to talk to our servers without the need of putting in passwords constantly. Lets get started.
How to Create a Network of Machines in VirtualBox with SSH Access: youtu.be/S7jD6nnYJy0
Please join the discussion at EzeeTalk. www.ezeelinux.com/talk/ Its free, secure and fun!
This video is a crash course to help new users get started with BASH. Here is a list of the commands well cover:
BEGINNERS GUIDE TO THE BASH TERMINAL
NAVIGATION
ls — list directory contents
pwd — print name of current/working directory
cd — change working directory
pushd/popd — put working directory on a stack
file — determine file type
locate — find files by name
updatedb — update database for locate
which — locate a command
history — display bash command history
GETTING HELP
whatis — display the on-line manual descriptions
apropos — search the manual page names and descriptions
man — an interface to the on-line reference manuals
cat — concatenate files and print on the standard output
more/less — file perusal filter for crt viewing
nano — command line text editor
USERS
sudo — execute a command as superuser
su — change user ID or become another user
users — print the user names of users currently logged in
id — print real and effective user and group IDs
CHANGING FILE PERMISSIONS
chmod — change permissions of a file
KILLING PROGRAMS AND LOGGING OUT
Ctrl C — kill a running command
killall — kill processes by name
exit — log out of bash
USEFUL SHORTCUTS
Ctrl D — signal bash that there is no more input
Ctrl L — redraw the screen
Ctrl — make text bigger in terminal emulator
Ctrl — - make text smaller in terminal emulator
В этом видео я продолжу рассказ о утилите iptables.
Сегодня речь пойдёт о том:
– Как настроить NAT на вашем ubuntu сервере.
– Плюсы и минусы NAT.
– Какие проблемы есть у ipv4 адресов.
– Как решаются данные проблемы.
– Как настроить статический маршрут в Linux.
– Немного теории.