Nikolay Hristov
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Friday, March 10, 2023
How to use group_vars with Ansible role
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Scenario: We have these 6 servers in hosts file: [ web_servers ] 10.200.0.2 10.200.0.3 [ db_servers ] 10.200.0.6 10.200.0.7 [ dns_servers ] ...
Monday, February 27, 2023
Extracting single directory from tar.gz archive to a specific destination directory
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archive-1.05.tar.gz contains the following: arhive-1.05/config arhive-1.05/docs arhive-1.05/lib arhive-1.05/src We want to unarchive only co...
Friday, July 1, 2022
Devuan / Debian renaming ethernet interfaces
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Create /etc/udev/rules.d/70-netinterfaces.rules file. Put this inside it: SUBSYSTEM=="net", ACTION=="add", ATTR{address}...
Tuesday, June 28, 2022
Fake DNS with dnsmasq for testing purposes on Debian/Devuan
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Install dnsmasq: apt install dnsmasq add to your /etc/resolv.conf the following: nameserver 192.168.0.1 Edit /etc/dnsmasq.conf and add the ...
Friday, June 24, 2022
How to transfer users from MySQL 5.5 to MariaDB 10.x
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On the old server: $ mysqldump -u root -pPassWord mysql > mysql.sql Copy mysql.sql to the new server add to the beginning of the file the...
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