The Helpdesk For I.T. Administrators
Below you will find a number of the most common browser user agents. You can use these user agents if you want to emulate a different browser with a tool such as curl, wget, or similar. Google Chrome Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Mozilla Firefox Mozilla/5.0 (Windows NT …
The Domain Name System (DNS for short) is one of the most important parts of the internet infrastructure. It converts the easy to remember domain names, into IP (and IPv6) addresses, that aren’t so friendly to the end user. Regardless of the distribution of Linux that you are using (such as Ubuntu, CentOS, Debian, Arch, …
The commands below show some of the more common day to day commands that you will use when configuring or diagnosing issues on a Cisco router that is running the IOS software. This can be used as a quick cheat sheet on the common basic commands. All these commands can be shortened to some extent. …
VMware Workstation is a great tool for running virtual machines on a desktop computer/laptop. It allows you to run virtualized operating systems on your PC without having to go to the effort of setting up dual boot scenarios, or can be great for testing something in a hurry. Usually you would open VMware workstation, and …
Microsoft have just announced that they will be releasing a version of SQL Server 2016 for the Linux operating system. This is a welcome move away from Microsoft’s historical stance of not releasing software for open source operating systems. They are starting to embrace the open source community more and more, giving end users what …
If you have recently installed or upgraded to Outlook 2013, and use html based signatures with images, you may have found that when you send an email using the signature, the recipient doesn’t get the images on their end. They just appear as a little red cross. Previous versions of Outlook would embed the images …
If you come across a server running OpenMediaVault, and you aren’t sure what the web GUI password is, give the following a try, as this is the default username and password for OpenMediaVault. Username: admin Password: openmediavault
When you need to access networks located on a different network segment, you need to have a route set up so the PC knows how to get to the other network segment. This generally just points to your main gateway, but you may want to set up additional static routes, where you don’t want the …
This guide will show you how to convert a .pfx certificate file into its separate public certificate and private key files. This can be useful if you want to export a certificate (in the pfx format) from a Windows server, and load it into Apache or Nginx for example, which requires a separate public certificate …
This howto outlines the steps to remove a user from a MySQL server. Run the MySQL client: $ mysql -u root -p You will be asked for a password. If you don’t have a password set, simply press enter when prompted. Run the following command to delete the user: DROP USER ‘usertodelete’@’localhost’; This deletes the …