By default Postfix run on port 25 and 587(TLS). However some ISPs block port 25. In that case you can configure the postfix mail server to listen on additional ports too, for example port 26 or some random 5125. This configuration is done in the master.cf configuration file. Edit it in your editor of choice. This file is in the following format: # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ==========================================================================
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Linux Basics
Adminer is a fully featured database management tool written in PHP. Adminer is an alternative to phpMyAdmin where we can manage content in MySQL, SQLite, Oracle, PostgreSQL databases effectively. Adminer Features > Basic functions : Add/remove/modify the databases and tables > Modify database objects (views, triggers, procedures, user permissions, variables, processes etc.) > Execute SQL commands from a text field or a file. > Import and export databases and tables. > Export database, data, structure, views, routines to SQL or CSV.
If you are getting the below error while updating the Plesk versions or installing the microupdates , have a try with the mentioned solution : —- ERROR: Unable to download the MD5 sum for the new Parallels Installer binary. Not all packages were installed. Please, contact product technical support. —- Solution : —– Remove cache from /var/cache/parallels_installer/ and start auto-installer again. —– If you require help, contact SupportPRO Server Admin
If you are getting following error while directory listing, follow the solution provided below : ———- ftp> ls 227 Entering Passive Mode (108,61,169,245,167,161). ftp: connect: No route to host ———- Solution : 1. Edit /etc/sysconfig/iptables-config and add this line: IPTABLES_MODULES=”ip_conntrack_ftp” 2. Save it and restart iptables. That’s because passive mode use non standard ports to communicate, so you need to keep track of the ftp connections and iptables will allow them when necessary. Another solution is specify the passive ports that will be used on FTP server configuration, then open …
CentOS has introduced a free Web Hosting control panel (CWP: Centos Web Panel) which is designed for easy management of servers including both Dedicated & VPS without the help of ssh console. During the installation procedure, CWP installs full LAMP stack (Apache, PHP, phpMyAdmin, webmail, mail server etc.) on your server. List of softwares installed and configured during CWP installation are as below: =========== Apache Web Server PHP 5.4 MySQL + phpMyAdmin Postfix + Dovecot + roundcube webmail CSF Firewall Backups; AutoFixer for server configuration Varnish Cache server suPHP & …
Round Robin is a balancing mechanism used by the DNS servers which are usually used for sharing the network load and managing the load of geographically distributed Web servers. The DNS server that uses the round-robin mechanism will provide alternates for each client request. Concept:- Suppose, you have a domain name and three identical home pages hosted on three servers with three different IP addresses. By using Round Robin DNS, when one user accesses the home page, the request will be sent to the first IP address. The second user who …
The Config Server Mail Queue is an addon feature available with cPanel/WHM which provides with a full-featured interface to the cPanel exim email queues from within WHM. The add-on feature provides with an interface to the cPanel user accounts email configuration without having to log in to their accounts. It is domain-based rather than account-based. Features View, edit and delete email accounts, email forwarders and email filters. View and modify email account quotas Modify email account passwords List only email accounts that are over quota Modify Outgoing Mail Hourly Limits …
Lighttpd is an open-source web server which is more optimized for speed-critical environments than common products. It is a high quality lightweight web server which is well suited for hosting dynamic content websites. It supports CGI, FastCGI, SCGI and HTTP protocols. Lighttpd is a secure, light, fast and very flexible web server which is designed and optimized for high-performance environments. This web server can be used in a low memory servers, because it uses very low amount of main memory than other web servers such as Apache and nginx. That …
Amazon Simple Storage Service (Amazon S3), provides developers and IT teams with secure, durable, highly-scalable object storage. Amazon S3 is easy to use, with a simple web services interface to store and retrieve any amount of data from anywhere on the web. This article is explain about of how to take cPanel backup to amazon s3. First thing you need to setup your S3 server and create a bucket to dump stuff in. Get your secret key ID and access ID by the following steps. 1. Login to your Amazon …