Wednesday, February 13, 2008

Print to USB Printer from DOS under windows

Here are the step to setup the printer port which can be use under DOS like "DIR > LPT2"

1. Install the Microsoft Loopback Adapter, then configure a static IP
(eg. 10.10.10.1/255.255.255.0)

2. Share the printer (eg. usbprinter)

3. create a printer port on LPT2
NET USE LPT2: \\10.10.10.1\usbprinter /PERSISTENT:YES

Finally, you can try to print use "DIR > LPT2" under DOS

Thursday, September 27, 2007

run JBOSS with specific IP under Linux

run this command uder bin folder
./run.sh -b < IP ADDRESS >

it will assign that IP to jboss.bind.address

Tuesday, September 18, 2007

Run second instance on one JBOSS

change the following file....


default/deploy/jbossweb-tomcat55.sar/server.xml:
change 8080 to 18080


default/conf/jboss-service.xml
change 8083 to 18083
change 1099 to 11099
change 1098 to 11098
change 4445 to 14445
change 4444 to 14444


default/deploy/jms/uil2-service.xml
change 8093 to 18093

Wednesday, August 22, 2007

make yr linux server become syslog server

modify the following in the /etc/sysconfig/syslog
SYSLOGD_OPTIONS="-r -m 0"

insert iptables log into /var/log/iptables

insert the following into /etc/syslog.conf
#Log iptables stuff to iptables log
kern.=debug /var/log/iptables


on iptables files, use
iptables -A INPUT -p tcp -j LOG --log-tcp-options --log-level debug --log-prefix "INPUT packets"

Saturday, August 11, 2007

only allow from source IP on apache

file under .htaccess
Order deny,allow
Deny from all
Allow from IP_ADDRESS

Sunday, July 22, 2007

openLDAP authentication on apache

Create a .htaccess file under www folder

AuthType Basic
AuthName "LDAP SERVER"
AuthLDAPEnabled on
AuthLDAPURL ldap://<openldap server>/<schema>?uid
require valid-user


Schema Structure sample like:. ou=people,ou=organization unit,o=organization


change the following setting under httpd.conf
AllowOverride Options AuthConfig