VMware : VCSA Received unexpected end-of-file from SFTP server

Attempting to establish SFTP connection to VCSA appliance end up with error: Error: Received unexpected end-of-file from SFTP server Error: Could not connect to server This is a common issue caused by incorrect shell for root user. To fix this issue, simply change the shell for the root user with the following command:

SFTP… Read More »

Linux : Loading jnlp with IcedTea Java browser plugin hang at x%

When trying to load a java “jar” (.jnlp)  file from Java Web browser plugin hang at x% and never complete. This is a common issue and require clearing the IcedTea Web cache. 1. Clear your Web browser cache and close it ; 2. Clear the IcedTea cache using the following command :

Then open… Read More »

Linux : cPanel Exim service keep bouncing up/down

If you are receiving a lot of cPanel notification message stating that the Exim mail server service is flapping (going down and up repeatedly) as followed : The service “exim-26,465,587” appears to be down. The service “exim-26,465,587” is now operational. You are most likely victim of some sort of denial of service attack against your… Read More »

Windows : SQL Server installation wizard stuck at Service Account step

You probably installed SQL Server a few times and it went smoothly. However this time, you ended up with the following issue/symptoms at the installation: the server configuration wizard is stuck with the “Please Wait” and/or (not responding) message. This is often happening when custom domain users (for Service Accounts) are defined instead of local… Read More »

Storage : How to access the serial console on Dell PowerStore

Dell PowerStore does not feature a traditional console port. Instead, it has a “service port” which is IPMI based. Therefore, to access the console, you need to use Serial-over-Ethernet with IPMI Tool. 1. Get ipmitool from Dell Web site ; 2. Change your network adapter IP configuration to the following : ip netmask… Read More »

JunOS : Autorecovery information needs to be saved

If your Juniper device indicate an alarm status (red light shown on the unit), you can run the following command to find out the details :

And the following output is shown: 1 alarms currently active Alarm time Class Description 2021-10-19 03:06:00 UTC Minor Autorecovery information needs to be saved This mean that your… Read More »

Linux : InRelease’ changed its ‘Version’ value from ‘10.1’ to ‘10.2’

You probably noticed a similar output after running “apt-get update” on your Debian Linux based system: N: Repository ‘http://deb.debian.org/debian buster InRelease ‘ changed its ‘Version’ value from ‘10.9’ to ‘10.11’ E: Repository ‘http://deb.debian.org/debian buster InRelease ‘ changed its ‘Suite’ value from ‘stable’ to ‘oldstable’ […] This means that the major and minor version you are… Read More »

VMware : How to remove invalid virtual machine from inventory

You may at some point end up with virtual machines marked with “Invalid” status in the vSphere Web client or vCenter. You will also notice that the contextual menu does not show up the usual options (mostly everything is greyed out) and more importantly, the “Unregister” or “Delete” options are unfortunately unavailable. Chill out, there… Read More »

Windows : How to open a port on firewall from command line (CLI)

Windows Firewall can be configured from the GUI (by using firewall.cpl UI console) and also using the command line. This quick tutorial will cover how to manipulate the rules from CLI to open, block a port and delete a rule. In  a nutshell, here is the command sample:

The rest of this article will… Read More »