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How will my existing Apache installation be influenced by the installation of ISPConfig?

The ISPConfig Apche webserver is installed in parallel with your existing Apache installation. The ISPConfig apache is only used for the controlpanel. The hosted webpages are served by the Apache that ships with your linux distribution.

This means you do not have to compile special modules into your Apache in order to work with ISPConfig. You can compile Apache and PHP the way you like.

The ISPConfig installer comments out the PHP settings in your httpd.conf. PHP can be later enabled for each web separately in the ISPConfig web interface.

Error messages during installation

During the installation process I get the following error messages though the respective programs are installed on the server:

iptables: command not found
httpd: command not found
useradd: command not found
apachectl: command not found

This means that the programs mentioned are not in the path of your Linux installation. Please type

echo $PATH

on your command line, and make symbolic links to the programs in one of the directories that is in the path. For example, you can create a symbolic link to the program /path/to/apachectl in the directory /usr/bin by going into the directory /usr/bin and typing the following:

What is the difference between standard and expert mode during the ISPConfig installation?

In standard mode the installer assumes standard values for you Linux distribution which may not always be correct (but in most cases).

In expert mode you will be asked about those values which gives you the possibility to change them.

How can I login to a site with Frontpage?

The user name is admin, the password is the one that you entered in the ISPConfig control panel in the form of the respective site.

I get the feeling that my hard disk is very slow. Is there a way I can verify and tune it?

You can use hdparm to tune your hard disk. On Debian, you would run

apt-get install hdparm

to install it.

hdparm --help

shows a list of all available options. To get more information about your hard disk, run

hdparm -i /dev/hda

This will look like:


Model=MAXTOR 6L060J3, FwRev=A93.0500, SerialNo=663214759549
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=32256, SectSize=21298, ECCbytes=4
BuffType=DualPortCache, BuffSize=1819kB, MaxMultSect=16, MultSect=16
CurCHS=4047/16/255, CurSects=16511760, LBA=yes, LBAsects=117266688
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes:  pio0 pio1 pio2 pio3 pio4
DMA modes:  mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:

* signifies the current active mode

To see how fast your hard disk currently is execute

How can I observe a logfile continuously?

With the command:

tail -f /path/to/logfile

you will see all lines added to the logfile. To stop this, press [CTRL] + c

How to save a command in the shell history without executing it

Enter the command line and hit the keys:

[CTRL] + [#]

This will put a # in front of the command and execute it. The shell will take it as comment.

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