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 »
JSON support come natively with PHP 5.2 and later. If you are running CentOS Linux 5, this is PHP version 5.1.6 that is included by default. Fortunately, since version 5.6, CentOS packaged version 5.3.3 of PHP that can be installed through YUM (not included in the ISO set). If you still run applications that can’t… Read More »
Migrating Parallels Virtuozzo virtualization software containers from two remote master hardware nodes can’t be done using the hot migrate function included in the control panel. The migration must be done manually for each containers or virtual machines you want to move. Here is a simple procedure how to proceed : 1. You MUST first completely… 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 »
Mostly used by broadcasting companies, “CBSI, Wicks Broadcast Software”, now known as Marketron Radio traffic and billing system. You may encounter the following error launching the software on a new network installed workstation : System date and time changed. Access denied! Two possibilities may cause this problem : 1. Wrong timezone or too much offset… Read More »
There is a nice Perl script called “qmHandle” to delete entirely the Qmail queue. Just download, put into Qmail script directory (/var/qmail/bin) and run the following command : qmHandle -D You can found the script at http://sourceforge.net/projects/qmhandle
You may encounter this kind of error in Apache error log : Failed loading /usr/lib64/php/modules/ioncube_loader_lin_5.1.so: /usr/lib64/php/modules/ioncube_loader_lin_5.1.so: wrong ELF class: ELFCLASS32 This is because you are using the 32 bit IonCube loader on a 64 bit operating system! You need to use the proper version to get rid of this error and get it working. You… Read More »