If you have a full subnet to add on RHEL/CentOS Linux system, there is a short way to achieve this instead of manually create single alias interfaces. 1. Create a script at this location : vi /etc/sysconfig/network-scripts/ifcfg-eth0-range0 (ajust values as needed, according to the interface you would would have the IP subnet binded to an… Read More »
Without any reason, IIS may stop responding and eventually, fail to start manually or automatically. You may notice the following message in the EventViewer : Cannot start a new logon session with an ID that is already in use. This is because a core dll file (qmgr.dll, which is Background Intelligent Transfer Service) is no… Read More »
Basically, we’ll use the “netsh.exe” builtin utility here to achieve theses tasks. Show TCP/IP settings : netsh interface ip show config Set the interface as DHCP : netsh interface ip set address “Local Area Connection” dhcp Set interface DNS server address : netsh interface ip set dns “Local Area Connection” static 0.0.0.0 Export the current… Read More »
Using Xcode on Mac (with MacPort as example) may end up with the following error : Warning: The Command Line Tools for Xcode don’t appear to be installed; most ports will likely fail to build. Once Xcode has been installed, you need to manually install the Command Line Tool from the Xcode Download Component preference… Read More »
You may noticed a foot note near the clock that display something like this : Test Mode Windows Server 2008 R2 Standard Build 7601 There is a workround to get rid of this message (UAC must be disabled to run this command) : bcdedit.exe -set TESTSIGNING OFF After rebooting your machine, Windows won’t boot and… Read More »
If you’ve done a Basic/Minimal OS install on RHEL/CentOS Linux, setuptool (which could be invoked typing “setup” in terminal), this tool is probably missing on your system. To install it via Yum repository, simply type the following command : yum install setuptool system-config-securitylevel-tui authconfig system-config-network-tui ntsysv There is a description of each packages : setuptool… Read More »
Webmin and Usermin can be installed and updated directly through YUM. To achieve this, we need to setup manually the repository. First, create the .repo file for YUM : vi /etc/yum.repos.d/webmin.repo Copy, paste and save the following : [Webmin] name=Webmin Distribution Neutral#baseurl=http://download.webmin.com/download/yum mirrorlist=http://download.webmin.com/download/yum/mirrorlist enabled=1 Save the PGP key : wget http://www.webmin.com/jcameron-key.asc Import the key :… Read More »
Trying to import Excel datasheet into MSSQL database using .NET application and get this error? The ‘Microsoft.ACE.OLEDB.12.0’ provider is not registered on the local machine This indicate you are required to install the two following component on the server : Access Database Engine as well as Excel. http://www.microsoft.com/download/en/details.aspx?id=13255
Just like php, you can create a test page in order to verify if .NET is installed and working properly. The following will also display the running version. Simply create plain text file using Notepad or your favorite text editor : test.aspx And insert this code : <%@ Page Language=”VB” %> <script runat=”server”> Protected Sub… Read More »
On most heavy usage servers, you probably need to override the maximum open file descriptors in order to handle the load! Do not play with this setting blindly, make sure you know what you’re doing! In most case, you will be warned in log wit message like this : Too many open files You may… Read More »