February 1, 2024
How to Fix DNS Server Error
Linux General,If you are experiencing a DNS server error, use the following command line to troubleshoot the IP address that the domain currently points to. The nslookup command enables Windows users to troubleshoot DNS issues through the command line. Check IP configuration Open a command prompt and enter ipconfig/all to verify the IP address, subnet mask,…
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December 5, 2023
How to Install Apache on AlmaLinux?
Linux General,AlmaLinux is a potential replacement for CentOS and is compatible with all CentOS services and applications. AlmaLinux is a free open source product with no licenses or restrictions and the current 8.3 version is supported until 2029. Ensure you have created a Linode account and Compute Instance before we start, also set the timezone, configure…
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October 31, 2023
Improve DNS Performance: Setup DNS to 8.8.8.8 in Linux
Linux General,Now you can setup your DNS server to 8.8.8.8 in Linux by following the below steps. The DNS translates domain names into IP addresses and acts as a directory service for the internet, which is responsible for resolving domain names to IP addresses. If you see by default, your Linux system will use the DNS…
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March 14, 2023
Steps to install Nginx reverse proxy on Ubuntu 18.04
Linux General,Distributing the load among several servers is proxying. To reduce latency, reverse proxy act as a cache or buffer. User access control is simplified as you need a single point of access to your site. It serves as a proxy server between internal applications and external clients. To protect backend resources the Nginx reverse proxy…
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February 23, 2023
How to Create a Linux VM Instance
Linux General,Here you will see how to create Linux virtual machine (VM) instance using the Google Cloud console. Before you begin, create an account in the Google Cloud console to evaluate and see how products perform in real-world scenarios. You will get free credits of $300, where you can run, test, and deploy workloads but only…
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January 18, 2023
3 Different Ways to apply Linux Kernel Security Patches
Linux General,We know that the most effective way to strengthen system security and protect against any cyber threat is to keep our system updated with the latest OS and application software patches. For Linux the kernel upgrades and security patches require a system reboot, hence it is hard to maintain the OS safe. Here we are…
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January 4, 2023
Troubleshoot Client VPN Connection – Linux
Linux General,Now let’s see how to troubleshoot a Client VPN connection, that is the problem you face while using a client application to connect to a Client VPN endpoint, with Linux-based clients. We hope you are using the latest version of these clients. The AWS provided client – also known as AWS VPN Client. For you…
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December 27, 2022
How to fix Linux Error 111: Connection Refused
Linux General,The error “Linux Error 111: Connection Refused” normally occurs when the host file does not have the appropriate server address or name. It can also arise when the loopback address is missing. Connection Refused Error: Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) TNS-12547: TNS:lost contact TNS-12560: TNS:protocol adapter error TNS-00517: Lost contact Linux Error: 104: Connection reset by peer…
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December 22, 2022
How to Install Postfix Mail Server on a Debian Linux System
Linux General,Let’s see the installation and configuration process for the Postfix mail server on a Debian Linux system. Step 1: Postfix Installation Step 1: Postfix Installation Postfix is regularly used due to its ease of use, minimal settings, and extensive usage. On your Debian-based Linux system, run the following command to install Postfix: …
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July 21, 2022
Avoid these Foreign Key Mistakes – Database Error
Linux General,Before you start building your database keep these answers ready i) where do you need to link the table, and ii) what if the table is removed?. Instead of using foreign keys are you still relying on the informal links between databases? To ensure you have set the foreign keys correctly let’s check if you…
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