Set english interface for MC

Put alias alias mc='LANG=en_US.UTF-8 mc' to ~./bashrc
And logout or source ~./bashrc

Add en.utf-8 locale to system.
Check installed locales locale -a
Uncomment needed locale in file /etc/locale.gen
Run sudo locale-gen

tomcat install on centos

Install tomcat
# yum install tomcat tomcat-webapps tomcat-admin-webapps tomcat-docs-webapp tomcat-javadoc
# vi /usr/share/tomcat/conf/tomcat-users.xml

tomcat-users.xml — Admin User
<tomcat-users>
<user username="admin" password="password" roles="manager-gui,admin-gui"/>
</tomcat-users>

# systemctl start tomcat
# systemctl enable tomcat

http://server_IP_address:8080
http://server_IP_address:8080/manager/html
http://your_ip_address:8080/host-manager/html/

Enable access to Tomcat from another machine
# firewall-cmd --zone=public --add-port=8080/tcp --permanent
# firewall-cmd --reload
# firewall-cmd --list-all-zones

docker ssh server

Init container:
> docker run -it -v c:/work:/work -p 8080:80 -p 2222:22 debian bash

Container start:
> docker start <container name>

Attach to started container:
> docker attach <container name>

Init repo:
# apt-get update
# apt-get upgrade

Install SSH server
# apt-get install openssh-server
# /etc/init.d/ssh  start

Add user:
# useradd -s /bin/bash -m -d /home/<user name> <user name>
# passwd <user name>

Enable 'su', set password for root:
# passwd root

Connect to SSH 10.0.75.2:2222

youtube-dl

Home site: http://youtube-dl.org/

Install
sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
sudo chmod a+rx /usr/local/bin/youtube-dl

Show possible formats
youtube-dl --list-formats "http://www.youtube.com/watch?v=-6Wu0Q7x5D0"

youtube-dl -F https://www.youtube.com/watch?v=aU2ucm8vVU8

Download
youtube-dl -v -o file.mp4 -f 248+251 "http://www.youtube.com/watch?v=-6Wu0Q7x5D0"

youtube-dl -v -o file.mp4 -f '(bestvideo+bestaudio/best)' "https://vimeo.com/245581179"

Extract audio

youtube-dl -v -o file.mp4 -x --audio-format mp3 --audio-quality 0 -f 251 https://www.youtube.com/watch?v=aU2ucm8vVU8