admin - Tue, 07/28/2009 - 19:31
If you configure a wrong settings in /etc/fstab, Linux OS can not reboot normally.
The error message is like the followings.
admin - Tue, 07/28/2009 - 19:14
The follwoing commands are simple Logical Volume Management in RedHat Linux.
1. Resize Logical Volume
* Increase :
# lvextend -L +2G /dev/VolGroup00/LogVol04
# resize2fs /dev/VolGroup00/LogVol00 |
* Decrease :
|
# umount /home
------- Need to do e2fsck first. |
admin - Thu, 06/18/2009 - 17:13
1. Edit /etc/aliases to add a new alias.
2. Rebuild the aliases database.
Return 0 on success, or a number greater than 0 if there wa an error.
newaleases must be run whenever /etc/aliases has been changed for the change to take effect.
admin - Mon, 06/15/2009 - 14:22
1. Configuration of NFS Server.
* Edit /etc/exports
NFS client : 192.168.1.34, 35
| /home/share 192.168.1.34(rw, no_root_squash) 192.168.1.35(ro) |
rw means read/write. no_root_squash is a setting that allows nfs clients to connect as root.
Without this setting, the root user on clients that connect has the permissions of the user 'nfsnobody', uid 65534.
* Edit /etc/hosts.allow, if you need.
admin - Mon, 06/01/2009 - 14:34
This is how to install iSeries odbc driver in your ubuntu machine.
First of all you need to download iSeries Access Linux from IBM site. Just for your notice you have to registrate yourself
before you can download anything from IBM site, this is not a big deal, cause it is so simple.
admin - Mon, 06/01/2009 - 14:15
Virtual Hosting allow web servers to host more than one website on a sing machine. This is how sharing hosting works.
This allows you to access to your local repository using addresses such as http://mysite.com instead of http://localhost/~myuser/www/ : ) .
If you have installed webmin in your server, it might be easy to setup apache vitrual host.
1. Prepare for your configuration file.
admin - Tue, 05/19/2009 - 17:39
Initially ubuntu server (LAMP) does not include mcrypt for PHP. To install it, the following steps need to be done.
apt-get install php5-mcrypt
/etc/init.d/apache2 restart |
Sometimes you might get the message “php5-mcrypt is already the newest version“. If so, install with:
admin - Thu, 05/14/2009 - 17:37
After Linux installation, sometimes OS recognize network card and so on. To fix a problem, you have to install an appropriate driver.
1. Move the base driver tar file to the directory of your choice. For example, use /home/username/e1000e or /usr/local/src/e1000e.
2. Untar/unzip archive:
| tar zxf e1000e-x.x.x.tar.gz |
3. Change to the driver src directory:
admin - Thu, 05/07/2009 - 09:10
The hardware-based array manages the RAID subsystem independently from the host. It presents a single disk per RAID array to the host.
A Hardware RAID device connects to the SCSI controller and presents the RAID arrays as a single SCSI drive. An external RAID system moves all RAID handling
"intelligence" into a controller located in the external disk subsystem. The whole subsystem is connected to the host via a normal SCSI controller and appears to
the host as a single disk.
admin - Wed, 04/22/2009 - 16:38
When you change your network configuration (IP Address), There are two ways ("setup command" or change related files manually)
to do that. setup command might be easy for change, but you want to know how to change it manually.
1. Login a Linux Server as root.
2. Check your IP address using ifconfig command.
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