In some rare circumstances, your system may boot without network interface and you discover the following message in dmesg : udev: renamed network interface eth0 to eth1 Since RHEL6, kudzu is no longer available since the kernel and udev take care of hardware changes. So, you need to modify using udev to get back you’re… Read More »
Here is the traditional way to set static route on Linux OS. route add -net 192.168.1.0 netmask 255.255.255.0 gw 192.168.1.1 The best way to make it permanent, is to add the gateway directly to the interface by editing the interface script : /etc/sysconfig/networking/devices/ifcfg-eth0 add : GATEWAY=192.168.1.1 To remove a static route : route del -net… Read More »
Follow these steps to add a permanent static route to Windows. 1. Open the command prompt (must be done as administrator). 2. Enter the following command and replace with your network information : route -p add <NETWORK_IP> mask <NETMASK> <GATEWAY_IP> Let’s explain in details with the following IP information… assume we want to add a… Read More »
If you are running OSX on a laptop or computer that is powered off or sleeping between 3 h 15 and 5 h 30 am, you may need to execute the maintenance script from command line by yourself to clean up your system from old system logs and temporary files. To do so, execute the… Read More »
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 »
Changing the default hostname and make it permanent is quite easy. You can go through preference panel or using the command line : scutil –set HostName HOST_NAME Once you’ve pressed enter, you’ll be prompted to enter the admin password.
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 »
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 »
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 »
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>