ubuntu 20 setup

[Stevyn]

https://nielsendigital.com/2021/07/03-u ... ity-setup/

fail2ban:

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apt install fail2ban

set TZ

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dpkg-reconfigure tzdata

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disable cloud init

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touch /etc/cloud/cloud-init.disabled

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Smartmontools is a set of applications that can test hard drives and read their hardware SMART statistics. Note: SMART data may not accurately predict future drive failure, however abnormal error rates may be an indication of possible hardware failure or data inconsistency.

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apt-get install smartmontools

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apt install lm-sensors
sensors-detect
sensors

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netstat

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apt install net-tools

use:

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netstat -tlpn

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https://github.com/ytdl-org/youtube-dl/ ... stallation

youtube-dl

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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

[Stevyn]

HowTo: Configure Linux To Track and Log Failed Login Attempt Records

https://www.cyberciti.biz/tips/rhel-cen ... login.html

lock user account to 180 seconds after failed login, enter:

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# faillog -l 180 -u name

Set Maximum Number of Login Failures

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faillog -m 10 -u name