# Knowledge Base > Guides, tutorials and answers for setting up and managing your domains, hosting, email, security and account. ## Server/VPS/VDS - [How to Search for Files and Folders via SSH](https://www.regtr.com/knowledgebase/article/how-to-search-for-files-and-folders-via-ssh.md): Sometimes we may want to search for files and folders on our Linux server. - [DirectAdmin Composer Installation](https://www.regtr.com/knowledgebase/article/directadmin-composer-installation.md): You can install composer on the DirectAdmin panel with the following commands; cd /usr/local/directadmin/custombuild./build update./build composer To find out the version; composer --version - [Making DirectAdmin User a Dealer / Reseller, Upgrade Process](https://www.regtr.com/knowledgebase/article/making-directadmin-user-a-dealer-reseller-upgrade-process.md): You can upgrade any user in the DirectAdmin panel from normal user status to dealer / reseller status. - [Linux SSH Commands](https://www.regtr.com/knowledgebase/article/linux-ssh-commands.md): SSH commands for Linux Server users. - [Finding SSH Folder Sizes](https://www.regtr.com/knowledgebase/article/finding-ssh-folder-sizes.md): You may want to know the size of files or folders on Linux systems. - [DirectAdmin'den cPanel'e Taşıma](https://www.regtr.com/knowledgebase/article/directadminden-cpanele-tasima.md): . - [Clearing DirectAdmin Notifications: tickets.list File](https://www.regtr.com/knowledgebase/article/clearing-directadmin-notifications-tickets-list-file.md): DirectAdmin control panel stores system alerts and notifications in the /usr/local/directadmin/data/admin/tickets.list file. ## Hosting - [Wordpress Smtp Mail Ayarları](https://www.regtr.com/knowledgebase/article/wordpress-smtp-mail-ayarlari.md): WordPress projeler üzerinden mail alışverişi sağlayabilmeniz için SMTP doğrulama (authentication) metodunu kullanarak işlem sağlayabilirsiniz. - [DirectAdmin E-posta Oluşturma](https://www.regtr.com/knowledgebase/article/directadmin-e-posta-olusturma.md): DirectAdmin web hosting kontrol panelinde E-Posta oluşturmayı sizin için aşşağıda resimli bir şekilde anlattık. - [DirectAdmin MySQL Veritabanı Oluşturma](https://www.regtr.com/knowledgebase/article/directadmin-mysql-veritabani-olusturma.md): DirectAdmin web hosting kontrol panelinde MySQL veritabanı oluşturmayı sizin için aşşağıda resimli bir şekilde anlattık. - [Directadmin - How do I make an external connection with my MySQL database?](https://www.regtr.com/knowledgebase/article/directadmin-how-do-i-make-an-external-connection-with-my-mysql-database.md): You can make an external connection with your MySQL database with, for instance, ODBC or external database tools. - [How do I make an external connection with my MySQL database?](https://www.regtr.com/knowledgebase/article/how-do-i-make-an-external-connection-with-my-mysql-database.md): You can make an external connection with your MySQL database with, for instance, ODBC or external database tools. - [Configure external mailserver / Change MX record](https://www.regtr.com/knowledgebase/article/configure-external-mailserver-change-mx-record.md): You can choose to have your e-mail delivered externally to a different e-mail provider. - [How do I install an SSL certificate?](https://www.regtr.com/knowledgebase/article/how-do-i-install-an-ssl-certificate.md): To be able to use an SSL certificate, you may need to have a (dedicated) IP address. - [How do I turn on PHP errors?](https://www.regtr.com/knowledgebase/article/how-do-i-turn-on-php-errors.md): As first you need to check if you can change the PHP version on page ‘Domain setup’ under your domain in DirectAdmin. - [What are the POP, IMAP and SMTP details of my e-mail account?](https://www.regtr.com/knowledgebase/article/what-are-the-pop-imap-and-smtp-details-of-my-e-mail-account.md): If you have already created the e-mail account via DirectAdmin, at 'E-mail accounts' under 'E-mail management' you can read your e-mail via your webmail, but also via your favourite e-mail software. - [How do I link a domain name to a webhosting or reseller hosting account?](https://www.regtr.com/knowledgebase/article/how-do-i-link-a-domain-name-to-a-webhosting-or-reseller-hosting-account.md): When you link your domain name to your webhosting or reseller hosting account, you can then install a website on the domain name. - [How do I select a different PHP version?](https://www.regtr.com/knowledgebase/article/how-do-i-select-a-different-php-version.md): At Regtr we support multiple PHP versions on our web hosting and reseller hosting accounts. - [How do I upload my website or other files via FTP?](https://www.regtr.com/knowledgebase/article/how-do-i-upload-my-website-or-other-files-via-ftp.md): First download FTP software, please see https://www.regtr.com/articles/148-what-ftp-software-do-you-recommend. - [How do I create a redirect?](https://www.regtr.com/knowledgebase/article/how-do-i-create-a-redirect.md): With Regtr, there are 2 ways to create a redirect. - [How do I add an e-mail account to Outlook?](https://www.regtr.com/knowledgebase/article/how-do-i-add-an-e-mail-account-to-outlook.md): First, an account must be created in Outlook. - [How do I configure e-mail on an iPhone / iPad?](https://www.regtr.com/knowledgebase/article/how-do-i-configure-e-mail-on-an-iphone-ipad.md): 1. - [Can I install an SSL certificate without a dedicated IP Address?](https://www.regtr.com/knowledgebase/article/can-i-install-an-ssl-certificate-without-a-dedicated-ip-address.md): Until recently, is was necessary for every SSL certificate to purchase a unique IP address to be able to install an SSL certificate. - [How do I configure an out of office message?](https://www.regtr.com/knowledgebase/article/how-do-i-configure-an-out-of-office-message.md): An out of office message notifies others of the fact that you're not able to respond to your e-mail. - [How do I transfer products to another Versio customer account?](https://www.regtr.com/knowledgebase/article/how-do-i-transfer-products-to-another-versio-customer-account.md): To transfer products to another Versio account, you must be logged in to the new Versio customer account. - [How do I get a refund within 14 days after purchase?](https://www.regtr.com/knowledgebase/article/how-do-i-get-a-refund-within-14-days-after-purchase.md): We offer a 14 day money back guarantuee for all our Sitebuilder, Webhosting, Reseller hosting, Cloudbox VPS and SSL certificates products. - [How do I manage SSL certificates via the DirectAdmin of my webhosting or reseller hosting account?](https://www.regtr.com/knowledgebase/article/how-do-i-manage-ssl-certificates-via-the-directadmin-of-my-webhosting-or-reseller-hosting-account.md): The possibility to manage SSL certificates via the DirectAdmin control panel of your webhosting or reseller hosting account is turned off by default. - [Can I host multiple domain names / websites with one webhosting or reseller hosting account at Regtr?](https://www.regtr.com/knowledgebase/article/can-i-host-multiple-domain-names-websites-with-one-webhosting-or-reseller-hosting-account-at-regtr.md): Yes, you can host several domain names and websites with all our webhosting and reseller hosting accounts. - [How do I create an e-mail account and link it to an e-mail client?](https://www.regtr.com/knowledgebase/article/how-do-i-create-an-e-mail-account-and-link-it-to-an-e-mail-client.md): In this article we will show you how to create an e-mail address in DirectAdmin and link it to an e-mail client such as Outlook or Firebird. - [How do I log in to phpMyAdmin?](https://www.regtr.com/knowledgebase/article/how-do-i-log-in-to-phpmyadmin.md): To log in to phpMyAdmin you must first create a MySQL user and database. - [What is the default web mail solution you provide?](https://www.regtr.com/knowledgebase/article/what-is-the-default-web-mail-solution-you-provide.md): By default, we offer Roundcube on all webhosting and reseller hosting servers. - [How do I speed up my Magento backend and website?](https://www.regtr.com/knowledgebase/article/how-do-i-speed-up-my-magento-backend-and-website.md): There is a fast and simple tweak for Magento that allows you to speed up the loading time and backend of your Magento website. - [Why am I getting a 'callout verification failure' when sending email?](https://www.regtr.com/knowledgebase/article/why-am-i-getting-a-callout-verification-failure-when-sending-email.md): Do you get a 'callout verification failure' when sending email? - [How do I configure a cronjob?](https://www.regtr.com/knowledgebase/article/how-do-i-configure-a-cronjob.md): Bu bilgi PHP ayrıştırıcısının (/path/to/php/parser) yolundan bahseder. - [IMAP Nedir ?](https://www.regtr.com/knowledgebase/article/imap-nedir.md) - [bigdump](https://www.regtr.com/knowledgebase/article/bigdump.md) - [What is Web Hosting?](https://www.regtr.com/knowledgebase/article/what-is-web-hosting.md): Web hosting allows a website to be hosted on the internet. - [ IMAP Email Setup for Outlook 2019 / Outlook 365 (Illustrated Guide)](https://www.regtr.com/knowledgebase/article/imap-email-setup-for-outlook-2019-outlook-365-illustrated-guide.md): Since its first release, the Outlook application, which has been the most preferred email client worldwide, is bundled with Microsoft Office for installation on computers. ## Domain - [Wix Domain Name Transfer](https://www.regtr.com/knowledgebase/article/wix-domain-name-transfer.md): Bu makalemizde sizlere wix.com üzerinden satın almış olduğunuz alan adını regtr.com'a nasıl transfer edeceğinizi adım adım anlatacağız. - [.DE and .EU Domain DNS & Nameserver Standards](https://www.regtr.com/knowledgebase/article/de-and-eu-domain-dns-nameserver-standards.md): .de domains require special dns settings. - [What is a Domain?](https://www.regtr.com/knowledgebase/article/what-is-a-domain.md): A domain is a name that is used to identify a website or web page on the internet. ## SSL Sertifikaları - [What Does an SSL Certificate Do?](https://www.regtr.com/knowledgebase/article/what-does-an-ssl-certificate-do.md): SSL (Secure Sockets Layer) certification is a tool used to secure a website. ## General - [Application Blocked By Java Security ](https://www.regtr.com/knowledgebase/article/application-blocked-by-java-security.md): Application Blocked By Java Security - [Google Banned Check](https://www.regtr.com/knowledgebase/article/google-banned-check.md): You can use the following steps to make sure your website is not blocklisted by Google. - [Wordpress Add New Plugin Invisible Solution](https://www.regtr.com/knowledgebase/article/wordpress-add-new-plugin-invisible-solution.md): If the Plugin -> Add New section is not visible or unclickable in your Wordpress system, the reason may be that you have turned off plugin editing via the wp-config.php file. - [IP blocking with .htaccess](https://www.regtr.com/knowledgebase/article/ip-blocking-with-htaccess.md): For some reason, you may want to prevent attacks or ips deliberately coming to your host. - [What is Apache WebServer?](https://www.regtr.com/knowledgebase/article/what-is-apache-webserver.md): Apache HTTP Server, also known as Apache or Apache Web Server, is a web server. - [2 Ways to Turn Off WordPress Maintenance Mode](https://www.regtr.com/knowledgebase/article/2-ways-to-turn-off-wordpress-maintenance-mode.md): One of the most used CMS infrastructures in the world is WordPress. ## Reseller Hosting - [What is Reseller Hosting?](https://www.regtr.com/knowledgebase/article/what-is-reseller-hosting.md): Reseller hosting is a type of hosting designed for individuals or organizations who sell hosting services to other customers using the server resources of a web hosting company.