Category: Reliable Penguin

LTSP

January 25, 2005


I. LTSP
-------

http://www.ltsp.org/

cd root
mkdir archive
cd archive

wget ftp://195.220.108.108/linux/fedora/core/development/i386/Fedora/RPMS/nasm-0.98.38-2.i386.rpm
rpm -i nasm-0.98.38-2.i386.rpm

cvs -d :pserver:anonymous@cvs.ltsp.org:/usr/local/cvsroot checkout -r LTSP-4_0_1 lbe

cd lbe
./build_all
mv opt/ltsp/ /opt/

II. TFTP-HPA
------------
cd /root/archive
wget http://www.kernel.org/pub/software/network/tftp/tftp-hpa-0.36.tar.gz
tar -xvzf tftp-hpa-0.36.tar.gz
cd tftp-hpa-0.36
./configure
make
make install


mkdir /opt/tftproot
cd /root/archive
wget http://www.reliablepenguin.com/clients/misc/tftpd.service
cp tftpd.service /etc/init.d/tftpd
chmod 755 /etc/init.d/tftpd

chkconfig --add tftpd
chkconfig --level 456 tftpd on

cd /root/archive/lbe/kernel
cp bzImage-2.4.22-ltsp-1 /opt/tftproot/

III. DHCPD
----------

http://www.isc.org/index.pl?/sw/dhcp/

cd /root/archive
wget ftp://ftp.isc.org/isc/dhcp/dhcp-3.0.1rc13.tar.gz

tar -xvzf dhcp-3.0.1rc13.tar.gz
cd dhcp-3.0.1rc13
./configure
make
make install

cd server
cp dhcpd.conf /etc

touch /var/state/dhcp/dhcpd.leases
wget http://www.reliablepenguin.com/clients/misc/dhcpd.service
cp dhcpd.service /etc/init.d/dhcpd
chmod 755 /etc/init.d/dhcpd
chkconfig --add dhcpd
chkconfig --level 456 dhcpd on

I. LTSP

-------

http://www.ltsp.org/

cd root

mkdir archive

cd archive

wget ftp://195.220.108.108/linux/fedora/core/development/i386/Fedora/RPMS/nasm-0.98.38-2.i386.rpm

rpm -i nasm-0.98.38-2.i386.rpm

cvs -d :pserver:anonymous@cvs.ltsp.org:/usr/local/cvsroot checkout -r LTSP-4_0_1 lbe

cd lbe

./build_all

mv opt/ltsp/ /opt/

II. TFTP-HPA

------------

cd /root/archive

wget http://www.kernel.org/pub/software/network/tftp/tftp-hpa-0.36.tar.gz

tar -xvzf tftp-hpa-0.36.tar.gz

cd tftp-hpa-0.36

./configure

make

make install

mkdir /opt/tftproot

cd /root/archive

wget http://www.reliablepenguin.com/clients/misc/tftpd.service

cp tftpd.service /etc/init.d/tftpd

chmod 755 /etc/init.d/tftpd

chkconfig --add tftpd

chkconfig --level 456 tftpd on

cd /root/archive/lbe/kernel

cp bzImage-2.4.22-ltsp-1 /opt/tftproot/

III. DHCPD

----------

http://www.isc.org/index.pl?/sw/dhcp/

cd /root/archive

wget ftp://ftp.isc.org/isc/dhcp/dhcp-3.0.1rc13.tar.gz

tar -xvzf dhcp-3.0.1rc13.tar.gz

cd dhcp-3.0.1rc13

./configure

make

make install

cd server

cp dhcpd.conf /etc

touch /var/state/dhcp/dhcpd.leases

wget http://www.reliablepenguin.com/clients/misc/dhcpd.service

cp dhcpd.service /etc/init.d/dhcpd

chmod 755 /etc/init.d/dhcpd

chkconfig --add dhcpd

chkconfig --level 456 dhcpd on

Booting to Single User or Runlevel

January 25, 2005

On any Linux system running grub with a boot menu, you can specify the runlevel to the init program as follows: When the boot menu is displayed, press the up or down arrow key to stop the auto boot process. Using the arrow keys, select the kernel that you wish to boot. Press the “e” key to edit this boot config. Use the arrow keys to select the “kernel …. ” boot command. Press the “e” key to edit this boot command. Add a runlevel number or the word “single” to the end of the command line. Press the “b” key to boot the edited config.

Preventing Caching

January 25, 2005

When it comes to preventing caching, there are a couple of annoying Javascripts you can use, but I wouldn’t recommend it. Until there is a technology specifically developed to prevent caching as an option on the client side, there are a few options. The best I’ve seen so far is the META and Pragma options in which either you don’t cache the whole page itself, or make sure the page is always expired. 1. Using the ‘Expires’ header. The Expires header of an HTML document tells a Web browser when a cached document should expire from the cache. Using a date in the past ensures the document will always be expired. Insert the text below between the <HEAD></HEAD> tags of the HTML document containing the embedded file. <META HTTP-EQUIV=”Expires” CONTENT=”Mon, 04 Dec 1999 21:29:02 GMT”> Each and every time this document is requested the browser will notice that the cached

Preventing Caching

January 25, 2005

Fixing ethernet interface speed

January 8, 2005

On redhat, the ETHTOOL_OPTS can provide some control over interface speed. Here’s the description from documentation:

 
ETHTOOL_OPTS=...
      Any device-specific options supported by ethtool. For example,
      if you wanted to force 100Mb full duplex:
        ETHTOOL_OPTS="speed 100 duplex full autoneg off"
      Note that changing speed or duplex settings almost always
      requires disabling autonegotiation with 'autoneg off'.