How to bond network interfaces under CentOS 7 with LACP 802.3ad to improve network performance and reliability.
I wanted to enable basic roundrobin NIC teaming on my HP MicroServer Gen8. This configuration allows load balancing and fault tolerance. When transferring data to the server it will only be received via 1 NIC meaning a 1Gbps limit, but when sending data it will load balance over both NICs meaning you can achieve up to 2Gbps. A future article will describe how to enable 802.3ad LACP aggregation which will provide 2Gbps data transfers both ways. This post will also work on RHEL 7.
I installed CentOS 7 on my HP MicroServer Gen8 and found the network speed was restricted to 100mbps even though I was using Cat5 cable with a gigabit switch. The solution was to disable Network Manager and modify the NIC config file.
I bought a HP MicroServer Gen8 G1610T and installed an Adaptec RAID card and hard drives which all supported hot-swap. I wanted to know what the limitation was with this server as I've hot-swapped Seagate SATA desktop drives in numerous QNAP NAS' and it always worked as expected. Turns out it's the disk caddies.
This is a basic guide and Cisco config to allow you to use a Cisco router with Telstra Cable Internet with the supplied Netgear modem set to bridge mode.
On a new OpenStack deployment built from RedHat's RDO, I added a new subnet and floating IP range, but then could not delete the subnet or the router. The solution was to delete the floating IP range from the command line.
A Windows Active Directory LDAP query fails or is authenticated as "NT AUTHORITY\ANONYMOUS LOGON" even though you entered correct domain credentials. The problem is caused by "pwdssp.dll" missing from a registry key.
After upgrading a CentOS 5.5 Hyper-V VM to CentOS 5.9 (or RHEL 5.5 to RHEL 5.9 / 5.10) you get a kernel panic when booting with the new kernel. If you select the old kernel from the GRUB menu, the server boots as expected.
When modifying Laravel's routes.php to add new routes, you get a 404 error when trying to browse to them.
I received this error after upgrading my Windows 8 PC with VMWare Workstation 9 to Windows 8.1 Preview. The solution was simply to run a repair the VMWare Workstation 9 installation.
I had a CentOS 5 Hyper-V VM running on Windows 2012 / Hyper-V 3.0 on which I mistakenly installed the Linux Integration Services 3.4 using the RHEL57 packages. The installation completed with some warnings and the initial reboot was OK, but after removing the "microsoft-hyper-v" and "kmod-microsoft-hyper-v" the VM would no longer boot due to a kernel panic.
The migration of Elastix from VMWare ESXi to Microsoft Hyper-V didn't run as smoothly as I might have hoped but the solution was fairly simple.
You have performed a V2V of a Windows VM between Hyper-V and VMWare and after conversion the VM won't boot. All you see is a black screen with a flashing cursor.
If a user suspects unauthorised logins to their email on cPanel or you wish to perform an audit on a user, you can pull the IP, username and date/time from cPanel's access_log.
I was receiving this error on a fresh Sharepoint 2010 installation after installing SP1. I needed to create a registry key and reboot to resolve it.
How to install VMWare Tools on CentOS 6.
My Windows 8 desktop suddenly began shutting down uncleanly every night around 3am. There were no event logs to indicate any error and I was able to install Windows updates without a problem.
How to properly disable hibernation in Windows 8 and remove the hiberfil.sys file.
How to setup a group policy central store for Windows 2012 and Office 2013 administrative templates (ADMX).
Here's a basic Apache config to enable SSL access to your website with on CentOS 6. It is assumed you have already purchased an SSL certificate and have a functional Apache installation.
After importing a Windows 2008 R2 OVF into VMWare ESXi 5.1 it had no network connectivity even though it reported an active connection. It had been assigned an IP from DHCP but could not contact LAN hosts nor could LAN hosts contact it.
How to enable Exclaimer Mail Archiver "Restore to mailbox" on Exchange 2010.
I kept getting the Xbox "No videos found" message after upgrading to Windows 8 Pro. As far as I can tell, the resolution took 2 steps.
These are the steps I took to enable Asterisk-IM in Openfire on my Elastix PBX.
Almost identical to my Engin trunk configuration, here's what I have working for Internode.