Questions
Find answers to frequently asked development questions. For information about Better Stack products, explore our docs.
How To Backup "crontab -e" Files?
To backup the crontab entries that you've edited using the crontab -e command, you can use several methods. Here are a couple of approaches: Step 1 - Use the crontab Command to Export to a File You...
SQL Server (2005/2008): Does full backup truncate the log in full recovery mode
In SQL Server, when a database is in the Full Recovery Mode, taking a full backup does not automatically truncate the transaction log. The transaction log is a critical component of SQL Server's da...
What exactly will --delete-excluded do for rsync?
The --delete-excluded option in rsync specifies that you want to delete files from the destination that are excluded from the synchronization. It has a specific behavior when combined with the --ex...
Linux - What directories should I exclude when backing up a server?
When backing up a Linux server, it's important to be selective about which directories you include in your backup and which directories you exclude. The choice of directories to exclude depends on ...
Can I make rsync output only the summary?
Yes, you can make rsync output only a summary of the transfer by using the --stats option. This option provides a summary of the files transferred, the amount of data transferred, and the transfer ...
How to keep the full path with rsync?
When using rsync to back up data, you can preserve the full directory structure of your source data by using the -a (or --archive) option. The -a option is a shorthand for several other rsync optio...
Can git be used as a backup tool?
Git is primarily a version control system rather than a traditional backup tool. While it can help you manage and track changes to your source code and other text-based files, it is not designed as...
Why isn’t RAID a backup
RAID (Redundant Array of Independent Disks) is a technology used to improve the performance, availability, and reliability of data storage in a computer system. While it provides certain benefits, ...
Nginx real_ip_header and X-Forwarded-For seems wrong
When dealing with proxy servers and the X-Forwarded-For header in Nginx, it's essential to ensure the correct usage of the real_ip_header directive to accurately identify the client's IP address. T...
How to reduce number of sockets in TIME_WAIT?
The TIME_WAIT state in TCP connections is a standard part of the TCP protocol. These sockets are in a state of waiting to ensure that any delayed packets or stray packets are not misinterpreted in ...
What is the difference between Nginx variables $host, $http_host, and $server_name?
In Nginx, the variables $host, $http_host, and $server_name serve different purposes and hold distinct values within the context of an HTTP request. Here's a breakdown of their differences: $host: ...
How to force nginx to resolve DNS (of a dynamic hostname) every time when doing proxy_pass?
By default, Nginx caches DNS records for a certain period to enhance performance. However, if you have a dynamic hostname and you need Nginx to resolve DNS every time a request comes in, you can us...
How to set up Nginx as a caching reverse proxy?
Setting up Nginx as a caching reverse proxy can significantly improve web server performance by serving cached content to users, reducing the load on the upstream servers. Here's a basic guideline ...
How to handle relative URLs correctly with a nginx reverse proxy
When using a reverse proxy with Nginx, handling relative URLs correctly is crucial to ensure that the proxied content is displayed properly. Here are some guidelines on how to handle relative URLs ...
How can I use environment variables in Nginx.conf
You can use environment variables in your Nginx configuration (nginx.conf) by making use of the env module and the set directive. Here's how you can do it: Step 1 -Install the nginx with env module...
In Nginx, how can I rewrite all http requests to https while maintaining sub-domain?
To rewrite all HTTP requests to HTTPS in Nginx while maintaining the sub-domain, you can use the rewrite directive in your Nginx server block configuration. Here's an example of how to do this: Ope...
How to parse nginx logs
Parsing Nginx logs is a common task for administrators and developers who want to analyze web server activity, monitor traffic, and troubleshoot issues. Nginx logs can provide valuable insights int...
Can we have multiple CNAMES for a single Name?
No, according to DNS (Domain Name System) standards, having multiple CNAME (Canonical Name) records for a single name is not allowed. A CNAME record creates an alias from one domain name to another...
What's the meaning of '@' in a DNS zone file?
In DNS (Domain Name System) zone files, the '@' symbol represents the origin or root of the domain itself. It is used as a placeholder to denote the domain name itself within the zone file. The '@'...
How does Windows decide which DNS Server to use when resolving names?
In a Windows environment, the process of determining which DNS server to use for name resolution involves several steps, and it follows a specific order, typically defined in the network configurat...
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