{"id":5259,"date":"2022-08-21T13:36:23","date_gmt":"2022-08-21T17:36:23","guid":{"rendered":"https:\/\/www.cloudsurph.com\/?p=5259"},"modified":"2022-08-21T13:38:21","modified_gmt":"2022-08-21T17:38:21","slug":"configuration-and-additional-recommended-steps-for-new-centos-7-servers","status":"publish","type":"post","link":"https:\/\/www.cloudsurph.com\/configuration-and-additional-recommended-steps-for-new-centos-7-servers\/","title":{"rendered":"Configuration and Additional Recommended Steps for New CentOS 7 Servers"},"content":{"rendered":"<p>In this article, we try to describe Configuration and Additional Recommended Steps for New CentOS 7 Servers. After buying our VPS server and getting users to access we need to minimum configuration for a new server.<\/p>\n<p>Also, there are some additional steps that are highly recommended in most cases for the new CentOS 7 server.<\/p>\n<p>Before we start this article, we should ensure our VPS IP and user credentials. In this article, we will be focusing on configuring some optional but recommended components setup.<\/p>\n<h5><em><strong>You can purchase your\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">hosting from Cloudsurph.com<\/a>,\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">Cloudsurph hosting<\/a>\u00a0is a reliable hosting option for business and personal projects. We offer insight and help on system configuration issues and code errors or bugs<\/strong>.<\/em><\/h5>\n<p>This will involve setting our system up by configuring Network Time Protocol synchronization, a firewall, and a swap file. Now follow the below procedure for Configuration and Additional Recommended Steps for New CentOS 7 Servers.<\/p>\n<h4>Getting Started<\/h4>\n<p>Before starting our VPS server, we need to first log in to our VPS, we can use PuTTY application to login into our VPS server.<\/p>\n<p>So, open PuTTY and enter your VPS IP and click the open button, here will open a command window, enter your username and password, see attached screenshot below:<\/p>\n<h5><em><strong>You can purchase your\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">hosting from Cloudsurph.com<\/a>,\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">Cloudsurph hosting<\/a>\u00a0is a reliable hosting option for business and personal projects. We offer insight and help on system configuration issues and code errors or bugs<\/strong>.<\/em><\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5260\" src=\"https:\/\/www.cloudsurph.com\/wp-content\/uploads\/2022\/08\/New-CentOS-7-Server-login-by-PuTTY.jpg\" alt=\" New-CentOS-7-Server-login-by-PuTTY-Cloudsurph\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/www.cloudsurph.com\/wp-content\/uploads\/2022\/08\/New-CentOS-7-Server-login-by-PuTTY.jpg 1920w, https:\/\/www.cloudsurph.com\/wp-content\/uploads\/2022\/08\/New-CentOS-7-Server-login-by-PuTTY-1280x720.jpg 1280w, https:\/\/www.cloudsurph.com\/wp-content\/uploads\/2022\/08\/New-CentOS-7-Server-login-by-PuTTY-980x551.jpg 980w, https:\/\/www.cloudsurph.com\/wp-content\/uploads\/2022\/08\/New-CentOS-7-Server-login-by-PuTTY-480x270.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1920px, 100vw\" \/><\/p>\n<p><strong>Configure a Basic Firewall<\/strong><\/p>\n<p>Firewalls are a security for your server and provide a basic level. In this application are responsible for denying traffic to every port on our server with exceptions for ports\/services we have approved.<\/p>\n<p>CentOS 7 ships with a firewall called\u00a0firewalld and a tool called\u00a0firewall-cmd\u00a0can be used to configure our firewall policies.<\/p>\n<p>First, we need to install\u00a0firewalld:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo yum install firewalld\r\n<\/pre>\n<p>Without dropping current connections, the\u00a0firewalld\u00a0service has the ability to make modifications, so we need to turn it on:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo systemctl start firewalld\r\n<\/pre>\n<p>If you have\u00a0<strong>not<\/strong> modified the port that the SSH daemon is running on, you can enable the service by name by entering the below code: <strong><em>Love to Code? We\u2019re Your Helping Partner,\u00a0<a href=\"https:\/\/www.cloudsurph.com\/love-to-code\/\">click here for<\/a>\u00a0\u00a0<a href=\"https:\/\/www.cloudsurph.com\/love-to-code\/\">Buy Our Service<\/a><\/em><\/strong><\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --add-service=ssh\r\n<\/pre>\n<p>If you need to change your port then you can follow below code:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --remove-service=ssh\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --add-port=4444\/tcp\r\n<\/pre>\n<p>If we running a conventional HTTP web server, then need to enable the\u00a0http\u00a0service:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --add-service=http\r\n<\/pre>\n<p>Also, we can run a web server with SSL\/TLS enabled, see the below code<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --add-service=https\r\n<\/pre>\n<p>Now we need SMTP email enabled, so we can type:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --add-service=smtp\r\n<\/pre>\n<p>If you need to check any additional services that you can enable by name, enter the below code:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --get-services\r\n<\/pre>\n<p>When you are finished, you can see the list of the exceptions that will be implemented by entering the below code: <strong><em>Love to Code? We\u2019re Your Helping Partner,\u00a0<a href=\"https:\/\/www.cloudsurph.com\/love-to-code\/\">click here for<\/a>\u00a0\u00a0<a href=\"https:\/\/www.cloudsurph.com\/love-to-code\/\">Buy Our Service<\/a><\/em><\/strong><\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --permanent --list-all\r\n<\/pre>\n<p>Now, if you are ready to implement the changes, reload the firewall:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo firewall-cmd --reload\r\n<\/pre>\n<p>If everything works as expected, then you should make sure the firewall will be started at boot:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo systemctl enable firewalld\r\n<\/pre>\n<p><em><strong>IF you want then buy a good, reliable, secure web\u00a0<a href=\"https:\/\/www.cloudsurph.com\/windows-vps-hosting\/\">hosting<\/a>\u00a0service \u00a0from here:\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">click here<\/a><\/strong><\/em><\/p>\n<h3>Configure Timezones and Network Time Protocol Synchronization<\/h3>\n<p>Our next step is to adjust the localization settings for our server and configure the Network Time Protocol (NTP) synchronization.<\/p>\n<h4>Configure Timezones<\/h4>\n<p>Firstly, our step is to set our server\u2019s timezone. It is a very simple operation that can be accomplished using the\u00a0timedatectl\u00a0command:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo timedatectl list-timezones\r\n<\/pre>\n<p>We can set it to United States eastern time, so you can type:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo timedatectl set-timezone America\/New_York\r\n<\/pre>\n<h4>Configure NTP Synchronization<\/h4>\n<p>Now for NTP synchronization, we will use a service called\u00a0ntp, which we can install from CentOS\u2019s 7 default repositories:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo yum install ntp\r\n<\/pre>\n<p>After then, we need to start the service for this session and we will also enable the service so that it is automatically started each time the server boots:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo systemctl start ntpd\r\n[root@websdevusa ~]#\u00a0 sudo systemctl enable ntpd\r\n<\/pre>\n<h2>Creating a Swap File<\/h2>\n<p><em><strong>IF you want then buy a good, reliable, secure web\u00a0<a href=\"https:\/\/www.cloudsurph.com\/windows-vps-hosting\/\">hosting<\/a>\u00a0service \u00a0from here:\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">click here<\/a><\/strong><\/em><\/p>\n<p>Now, if we are adding \u201cswap\u201d to a Linux server allows the system to move the less frequently accessed information of a running program from RAM to a location on disk.<\/p>\n<p>Allocate the space we want to use for our swap file using the\u00a0fallocate\u00a0utility. For example, if we need an 8 Gigabyte file, we can create a swap file located at\u00a0\/swapfile\u00a0by typing the below command:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo fallocate -l 8G \/swapfile\r\n<\/pre>\n<p>When creating the file we need to restrict access to the file so that other users cannot see what is written there:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo chmod 600 \/swapfile\r\n<\/pre>\n<p>Now, we have a file with the correct permissions and to tell our system to format the file for swap, we can type the below line:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo mkswap \/swapfile\r\n<\/pre>\n<p>Now, we tell the system it can use the swap file by typing the below line:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo swapon \/swapfile\r\n<\/pre>\n<p>So, our system is using the swap file for this session, but we need to customize a system file so that our server will automatically boot. So, we can do this by typing the below line:<\/p>\n<pre class=\"prettyprint\">\r\n[root@websdevusa ~]# sudo sh -c 'echo \"\/swapfile none swap sw 0 0\" &gt;&gt; \/etc\/fstab'\r\n<\/pre>\n<p>In this article, you should know how to configure a solid foundation for your new CentOS 7 servers. We hope, you also have a good idea for your next steps. So, feel free to explore the site for more ideas that you can implement on your own server.<\/p>\n<p>That\u2019s it. If you enjoyed reading this article and have more questions please reach out to our\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/submitticket.php?step=2&amp;deptid=1\">support team<\/a>\u00a0via live chat or\u00a0<a href=\"mailto:support@cloudsurph.com\">email<\/a>\u00a0and we would be glad to help you. we provide server\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">hosting<\/a>\u00a0for all types of need and we can even get your\u00a0<a href=\"https:\/\/hosting.cloudsurph.com\/\">server<\/a>\u00a0up and running with the service of your choice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we try to describe Configuration and Additional Recommended Steps for New CentOS 7 Servers. After buying our VPS server and getting users to access we need to minimum configuration for a new server. Also, there are some additional steps that are highly recommended in most cases for the new CentOS 7 server. [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":5261,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[157,25,158,159,1,31],"tags":[54,47,105,103,48,113],"class_list":["post-5259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos-7","category-web-hosting-virtualization","category-linux-basics","category-linux-server","category-virtual-private-servers","category-web-hosting","tag-best-vps-hosting-server-maryland","tag-cheap-cloud-servers","tag-cheap-storage-server-hosting","tag-cheapest-vps","tag-dedicated-server-hosting-in-washington-d-c","tag-speed-test-vps"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Configuration and Recommended Steps for New CentOS 7 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