MANUAL FACTORY

Category: Uncategorized

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How to Set the Time Zone on Ubuntu 18.04 Server

Learn to check, change, and restore the system time zone on Ubuntu 18.04, and understand the scope of tzselect and the TZ environment variable.
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Ubuntu 18.04 Server: install and configure Nginx, PHP, and MariaDB

Set up a local Nginx and PHP-FPM test site on Ubuntu 18.04, create a separate MariaDB account, and verify PHP and database connections.
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Ubuntu: upgrade specific packages or security updates

Learn to simulate a targeted package upgrade and check allowed unattended-upgrades sources before applying security updates.
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Ubuntu 16.04 Server: increase the PHP memory limit

Learn how to change memory_limit for PHP running as an Apache module, verify the effective web setting, and distinguish PHP-FPM configuration.
Two connected servers with clocks showing the same time

Linux rdate: check a time server and set the system clock

Learn how to query a time server and set the clock once using OpenRdate on Ubuntu, understand implementation differences, and check continuous synchronization.
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Linux find command: how to find files and directories

This explains with examples how to use the Linux find command to specify search paths, name patterns, file types, and depth conditions, as well as how to search for empty entries and execute commands on search results.
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How to Create Swap Memory in Linux

This explains the procedure to check existing swap and file systems, create a swap file, activate it, register it for boot, and deactivate it in Linux.
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Linux / Commands / which, whereis, locate / Finding Command Locations

Compare the search scope of which, whereis and locate, check shell commands, update the file index and search directly with find.
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Linux / Command / mkdir / Command to create directories

Explains how to create directories and parent paths with mkdir and check the results, as well as how to handle names with spaces, creation permissions, and error resolution.
Laptop displaying file and folder icons beside paper folders

Linux / Command / touch / Creating empty files and changing last modification time

Learn how to create an empty file with touch, inspect or set access and modification times, and handle existing files.