This article is part of the 5-part series: “ESXi Packet Loss Troubleshooting with iPerf3 and pktcap-uw” Part 1: Baseline Testing and Setup Part 2: Capturing UDP Traffic Under Different CPU Loads Part 3: Analyzing Packet Loss with Wireshark ← You are here Part 4: UDP Loss from Link Flapping and Network Instability Part 5: Inter-VLAN […]
ESXi Packet Loss Troubleshooting with iPerf3 & pktcap-uw – Part 3 Read Post »
Managing server hardware remotely is essential in modern IT environments. HPE’s Integrated Lights-Out (iLO) provides remote management capabilities for HPE ProLiant servers. One of the tools to configure and manage iLO is HPONCFG. This utility allows administrators to configure iLO settings without having to reboot the server or restart services, making it a powerful tool
Using HPONCFG to Manage iLO Settings on HPE Servers in Windows and Linux Read Post »
I’m sure there were times when you had to check if a port is accessible from one computer to another. In the earlier days we used to test network connectivity to a specific port of the remote computer using telnet command. Telnet used to come preinstalled in Windows, but in latest Windows OS not anymore.
How to check if a remote port is open (Windows) Read Post »
A few days ago one of my colleagues called me and asked me to add 4 HDDs to a Windows VM. Then he e-mailed me the name of the VM. I said to him that it will be ready in a few minutes. Then I’ve connected to vCenter and look after the name. No VM
How to find a VM with PowerCLI by searching after IP address in vCenter Read Post »
As a System Administrator, you can reduce sometimes a considerably amount of time by running PowerShell scripts across your Windows Systems. Most of the scripts that you find online will not run if you haven’t configured previously PowerShell, and will throw you an unpleasant error in red fonts.My Windows is in German, so the error
How to enable execution of PowerShell scripts and enable VMWare vSphere PowerCLI. Read Post »
If you are a System Administrator who has to comply your company’s systems with the security requirements asked by the latest standards and regulations, or just wants to better protect these systems, you will find in this post some info in regard to password configuration. We’ll see together how to enforce a password policy by
Change Password Complexity and Password Minimum Length settings in Windows Server 2012 Read Post »
A SSH key is an access credential in the SSH Protocol. SSH keys offer a more secure way of logging into a server with SSH than using user and password. More over, using a SSH-Key gives you the possibility to automate the login process, meaning you could create a script that will login to another
Generate and install SSH-keys on Linux and Windows Read Post »
You have enabled RDP on the Windows Server 2012 machine and tried to reach it via RDP. Then you noticed that you can’t get through and receive the following message: You are sure that you’ve just enabled RDP, the computer is running and it’s also available on the network. So it should be something else.
Windows Server 2012 not allowing Remote Desktop Connection Read Post »
When you are managing Windows systems that are not part of the domain, you have to connect directly to these machines and change the passwords for the users that have their password expired. So let’s suppose you are now connected to one of the Windows Servers and you would like to change the password. You
Change password of Remote Windows Systems Read Post »