Fix ‘Codex Could Not Start’ in VS Code Remote SSH on Linux
Fix Codex could not start in VS Code Remote SSH on Linux. Learn the errors, causes, logs, safe restart order, and server processes involved.
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Category: Linux
Create an Internal Certificate Authority for Private Websites
Fix Chrome NET::ERR_CERT_AUTHORITY_INVALID and Your connection is not private errors by creating an internal CA and using CSR, PEM, and KEY files correctly.
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Configure UFW Firewall on Ubuntu for Web Servers
UFW, short for Uncomplicated Firewall, is a simple firewall management tool for Ubuntu. It is a good fit for web servers because the usual…
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Create an Nginx Default Catch-All Site on Ubuntu
When Nginx receives a request for an unknown domain, it may serve the first enabled site if there is no explicit default server. On…
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Install and Configure Redis on Ubuntu for Local Object Cache
Redis is often used as a local object cache for WordPress and other web applications. It can reduce repeated database work by keeping frequently…
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Install and Configure MySQL on Ubuntu for WordPress
MySQL is a common database choice for WordPress and many PHP applications. On Ubuntu, you can install it from the default package repositories and…
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Install PHP-FPM and Common PHP Extensions on Ubuntu
PHP-FPM is the usual way to run PHP behind Nginx on Ubuntu. It gives you a long-running PHP process manager instead of starting PHP…
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Install and Tune Nginx on Ubuntu for Web Hosting
Nginx is a fast web server and reverse proxy that is commonly used for WordPress, PHP apps, static sites, APIs, and load-balanced web services….
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Fix Windows Line Endings and Make Shell Scripts Executable in Linux
If you edit Linux shell scripts on Windows, you may run into confusing errors when you copy those scripts back to Ubuntu or another…
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How to Use Alias in Linux and Ubuntu
An alias in Linux or Ubuntu is a shortcut for a command. It lets you type a short command and have the shell run…
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