Ubuntu Archives - IT Karthik.Net https://itkarthik.net/category/linux/ubuntu/ IT Administrator's Notes, News, Programming, Tips & Tricks Tue, 26 Dec 2023 15:16:32 +0000 en-GB hourly 1 https://wordpress.org/?v=6.4.2 https://itkarthik.net/wp-content/uploads/2021/09/itk-logo-removebg-preview-100x100.png Ubuntu Archives - IT Karthik.Net https://itkarthik.net/category/linux/ubuntu/ 32 32 Installing Premium SSL certificate for Nginx Reverse Proxy Domain https://itkarthik.net/server-administration/installing-premium-ssl-certificate-for-nginx-reverse-proxy-domain/ https://itkarthik.net/server-administration/installing-premium-ssl-certificate-for-nginx-reverse-proxy-domain/#respond Mon, 25 Dec 2023 09:09:06 +0000 https://itkarthik.net/?p=187 In this article, we’ll learn about creating CSR requests, obtaining SSL certificates from authorized digital certificate providers, and installing them in the domain configured in Nginx. If you want to …

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]]> https://itkarthik.net/server-administration/installing-premium-ssl-certificate-for-nginx-reverse-proxy-domain/feed/ 0 Installing Free SSL for Nginx Reverse Proxy Domain https://itkarthik.net/server-administration/installing-free-ssl-for-nginx-reverse-proxy-domain/ https://itkarthik.net/server-administration/installing-free-ssl-for-nginx-reverse-proxy-domain/#respond Sun, 24 Dec 2023 15:52:09 +0000 https://itkarthik.net/?p=182 In this article, we learn about the procedure to install and configure free Let’s Encrypt SSL using certbot for a domain configured in nginx. Install snap core (Ubuntu 22.04) Install …

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]]> https://itkarthik.net/server-administration/installing-free-ssl-for-nginx-reverse-proxy-domain/feed/ 0 Configuring NodeJs App to Domain with NGINX Reverse Proxy https://itkarthik.net/server-administration/configuring-nodejs-app-to-domain-with-nginx-reverse-proxy/ https://itkarthik.net/server-administration/configuring-nodejs-app-to-domain-with-nginx-reverse-proxy/#respond Sun, 24 Dec 2023 14:42:34 +0000 https://itkarthik.net/?p=175 Reverse proxy is the recommended way to let your audience access your nodejs app. Never expose the application ports directly to the end users. Also, use a firewall like UFW …

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]]> https://itkarthik.net/server-administration/configuring-nodejs-app-to-domain-with-nginx-reverse-proxy/feed/ 0 Apache stops automatically – Mutex Error https://itkarthik.net/server-administration/apache-stops-automatically-mutex-error/ https://itkarthik.net/server-administration/apache-stops-automatically-mutex-error/#respond Mon, 17 Jan 2022 15:28:16 +0000 https://itkarthik.net/?p=117 Sometimes apache server stops automatically without any interaction. When we look for the errors in /var/log/apache2/error.log, it shows the following lines. [mpm_prefork:emerg] [pid 1879] (43)Identifier removed: AH00144: couldn’t grab the …

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]]> https://itkarthik.net/server-administration/apache-stops-automatically-mutex-error/feed/ 0 Disable SQL Full Group By Mode Permanently https://itkarthik.net/linux/disable-sql-full-group-mode-permanently/ https://itkarthik.net/linux/disable-sql-full-group-mode-permanently/#respond Mon, 22 Nov 2021 14:32:04 +0000 https://itkarthik.net/?p=108 How to disable sql mode ONLY_FULL_GROUP_BY mode permanently? Using the following SQL query will disable the SQL Full Group by Mode only for temporary. i.e., If you restart the server …

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]]> https://itkarthik.net/linux/disable-sql-full-group-mode-permanently/feed/ 0 Install Virtualmin Control Panel on Ubuntu https://itkarthik.net/server-administration/install-virtualmin-control-panel-on-ubuntu/ https://itkarthik.net/server-administration/install-virtualmin-control-panel-on-ubuntu/#respond Fri, 15 Oct 2021 02:18:00 +0000 https://itkarthik.net/?p=99 Virtualmin GPL is a free control panel that will make the server administration work very easy. It’s very simple to install and use. Thanks to the open-source community and the …

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]]> https://itkarthik.net/server-administration/install-virtualmin-control-panel-on-ubuntu/feed/ 0 Best free Control Panel for Ubuntu Server 2021 https://itkarthik.net/linux/ubuntu/best-free-control-panel-for-ubuntu-server-2021/ https://itkarthik.net/linux/ubuntu/best-free-control-panel-for-ubuntu-server-2021/#respond Mon, 04 Oct 2021 15:40:55 +0000 https://itkarthik.net/?p=76 cPanel is the most used control panel in Internet World, but their cost is very high. Also, it will not support Debian-based Linux operating systems like Ubuntu. So, there are …

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]]> https://itkarthik.net/linux/ubuntu/best-free-control-panel-for-ubuntu-server-2021/feed/ 0 PHP Developers’ Environment setup on Ubuntu https://itkarthik.net/linux/ubuntu/php-developers-environment-setup-on-ubuntu/ https://itkarthik.net/linux/ubuntu/php-developers-environment-setup-on-ubuntu/#respond Mon, 27 Sep 2021 02:31:03 +0000 https://itkarthik.net/?p=72 PHP & MySQL works better on Linux environment than the WIndows. Here is a video tutorial on how to setup LAMP environment on Ubuntu Linux. (L-Linux, A- Apache, M – …

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]]> https://itkarthik.net/linux/ubuntu/php-developers-environment-setup-on-ubuntu/feed/ 0 Fix Time difference in Ubuntu and Windows Dual Boot https://itkarthik.net/linux/ubuntu/fix-time-difference-in-ubuntu-and-windows-dual-boot/ https://itkarthik.net/linux/ubuntu/fix-time-difference-in-ubuntu-and-windows-dual-boot/#respond Fri, 24 Sep 2021 13:00:00 +0000 https://itkarthik.net/?p=63 When we have installed both Windows and Ubuntu Linux as dual boot systems, we may notice that the system clock shows the different times when switching between the operating systems. …

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]]> https://itkarthik.net/linux/ubuntu/fix-time-difference-in-ubuntu-and-windows-dual-boot/feed/ 0 Improve Wifi Speed on Ubuntu Linux – Driver for TP-Link Dongle TL-WN823N https://itkarthik.net/linux/ubuntu/improve-wifi-speed-on-ubuntu-linux-driver-for-tp-link-dongle-tl-wn823n/ https://itkarthik.net/linux/ubuntu/improve-wifi-speed-on-ubuntu-linux-driver-for-tp-link-dongle-tl-wn823n/#respond Thu, 23 Sep 2021 01:40:00 +0000 https://itkarthik.net/?p=55 Most wifi adaptors don’t need the installation of specific drivers in Ubuntu Linux. But, when we use the inbuilt drivers in Linux Wifi network speed is very low for some …

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