Mac Parallels Desktop : How to right click on Windows
To right click on Windows object on Parallels Desktop with Mac OSX coherence mode, just press the following key : SHIFT + CONTROL + Click on the object.
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 »
Windows : Auto-Login user without entering any password
From Windows 2000 to 7, you can make the OS login automatically using a password protected account without entering any password. Follow theses steps : – Press the Windows key + R on your keyboard to launch the “Run” dialog box ; – Type in run text box control userpasswords2 , Press Enter ; –… Read More »
Exchange 2007 : Change the SMTP banner
By default, Exchange use the local name for the ReceiveConnecter, which could be problematic with anti-spam measures on most MTA on the Internet. This is recommended to use your reverse dns name (FQDN), which in most case, should or must be the MX record. To do so, open the Exchange Management Shell and use the… Read More »
Webmin : Failed to save user, User root is already using UID 0 error
Using a restricted Webmin account for module “Users and Groups” to create new user, the following error occur : Failed to save user : User root is already using UID 0 This is because permission on User and Groups module for this user are incorrect. The user has no right to increment the UID. To… 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>
Qmail : Reset the admin-toaster password
To reset the htaccess password for the /admin-toaster control panel, use the following command line to update the password : htpasswd -b /usr/share/toaster/include/admin.htpasswd admin admin *This will update the password for the access file “admin.htpasswd”, the user “admin” with password “admin”.
VMware : Mac OSX guest crash or failed to start
Considering that you have a supported CPU with VT enabled, you may have a look at the guest configuration file (.vmx) and make sure theses value are correct : guestOS = “darwin-64” ich7m.present = “TRUE” smc.present = “FALSE” keyboard.vusb.enable = “TRUE” mouse.vusb.enable = “TRUE” monitor.virtual_exec = “hardware” monitor.virtual_mmu = “software”
MySQL : Why the database server consume huge amount of disk space on /tmp ?
MySQL start using temp directory when heavy database usage (very large query) are made, so it will start to create temporary tables on disk instead of memory when size will reach the smaller value of tmp_table_size or max_heap_table_size.