Category Archives: Operating Systems

Mac : Make ISO image from command line

This procedure is about creating a ISO image file from CD/DVD using the command line on a Mac OS X. First, you can retrieve information about the media with the following command : drutil status Then, the disk must me unmounted to proceed : diskutil unmountDisk disk1   Ok, let’s make the ISO file now :… Read More »

Samba : Unable to connect to CUPS server, connection refused

You may notify in /var/log/messages the following error about smbd daemon regarding the cupsd printing service : smbd[5955]: [2011/05/13 15:03:59, 0] printing/print_cups.c:cups_connect(69) May 13 15:03:59 neptune smbd[5955]:   Unable to connect to CUPS server localhost:631 – Connection refused This occur when the service is disabled.  If you do not have a printer and do not want… Read More »

Apache : Unable to configure RSA server private key

Apache startup failed – look at /var/log/httpd/ssl_error_log and show the following error : Unable to configure RSA server private key SSL Library Error: x509 certificate routines:X509_check_private_key:key values mismatch The private key and the certificate do not match. You can compare the certificate and the key with the following commands : View the certificate modulus using… Read More »

IIS7 : How to Backup configuration

Since Internet Information Server 7, there is no longer a GUI option to achieve this task.  To do so, you need to manually proceed with the command line interface. Open a terminal (Run, cmd) ; cd %windir%\system32\inetsrv appcmd add backup <backupname>

Windows 7 : All in one setting panel trick (God Mode)

Since Windows Vista, you can create a new folder with a specific name string that create the “God Mode” option. This shortcut will regroup all possible setting under one single control panel. Simply create a new folder and rename with the following line : GodMode.{ED7BA470-8E54-465E-825C-99712043E01C}

Dell : Install OpenManage for RHEL/CentOS

1. Set up the Dell OpenManage Repository at http://linux.dell.com/repo/hardware, like this: wget -q -O – http://linux.dell.com/repo/hardware/latest/bootstrap.cgi | bash 2. Install OpenManage Server Administrator: yum install srvadmin-all Other possible choices are : srvadmin-base, srvadmin-webserver, srvadmin-storageservices 3. Make sure the TCP port 1311 is open in IPtables. If not, add this line : -A INPUT -p tcp… Read More »