NetBeans CVS access with SSH

If your ssh key is secured with a password you need to run a ssh agent (e.g. PuTTY agent) on your client machine, because NetBeans has no support for ssh passwords. Enter your CVS_ROOT in the following syntax: :ext:<user>@<host>:<path-to-cvsroot> You must use external shell command to execute ssh, e.g. for Putty under windows environment: C:\Program files\Putty\plink.exe -ssh -i <path-to-ssh-keyfile>

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Postfix setup for SSL and TLS

To use SSL and TLS with the postfix mailer daemon you must change settings in the /etc/postfix/main.cf configuration file: # tls config smtp_use_tls = yes smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_CAfile = /etc/postfix/ssl/demoCA/cacert.pem smtpd_tls_cert_file = /etc/postfix/ssl/server-crt.pem smtpd_tls_key_file = /etc/postfix/ssl/server-key.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom tls_random_prng_update_period = 3600s You also need a SSL certificate for your mail server. Create it with the following commands: mkdir /etc/postfix/ssl cd /etc/postfix/ssl/ # Create new local certification authority (if not already present) /usr/share/ssl/misc/CA.pl -newca # Create RSA certificate openssl req -new -nodes -keyout server-key.pem -out server-req.pem -days[…]

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Center VWP components

There isn’t any standard function in the Visual Web Pack to center components on the page. You can only use absolute or flow layout. If you want center your components horizontally or vertically, you need CSS. This is done with the style setting of your component. position: absolute; left: 50%; top: 50%; This setting would center the left upper corner of your component on the page, but not the whole component. To center the whole component you must adjust the margins. The margins can be negative, so substract the half of the vertical and horizontal size from the corresponding margin.[…]

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IMAP server setup under SuSE Linux

First you must install the UW-Imap daemon with yast. UW-Imap uses the standard mail folder structure from Linux, so no additional configuration is needed. Create SSL certificates The certificates are stored in folder /etc/ssl/certs. Change to this directory: cd /etc/ssl/certs Now create the certificates for your system with the following command: openssl req -new -x509 -nodes -out imapd.pem -keyout imapd.pem -days 365 You are asked about country name (2 letter code), state or province Name (full name), locality name (eg, city), organization name (eg, company), organizational unit name (eg, section), common name (eg, your name) and email address. For ¬ęcommon[…]

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Hibernate with JPA

To use Hibernate as a persistence provider for the Java Persistence API (JPA) you must include the following jar files into your classpath: From Hibernate Entity Manager hibernate-entitymanager.jar lib/hibernate-annotations.jar lib/hibernate-commons-annotations.jar lib/jboss-archive-browsing.jar From Hibernate Core hibernate3.jar lib/antlr-2.7.6.jar lib/asm-attrs.jar lib/asm.jar lib/c3p0-0.9.1.jar lib/cglib-2.1.3.jar lib/commons-collections-2.1.1.jar lib/commons-logging-1.0.4.jar lib/concurrent-1.3.2.jar lib/dom4j-1.6.1.jar lib/ehcache-1.2.3.jar lib/javassist.jar lib/log4j-1.2.11.jar If you use a Java SE project you must also include the javaee.jar file from the Java EE 5 SDK. Here is a sample persistence.xml file: <?xml version=”1.0″ encoding=”UTF-8″?> <persistence version=”1.0″ xmlns=”http://java.sun.com/xml/ns/persistence” xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=”http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd”> <persistence-unit name=”webstore-ejbPU” transaction-type=”JTA”> <provider>org.hibernate.ejb.HibernatePersistence</provider> <jta-data-source>jdbc/webstore</jta-data-source> <properties> <property name=”hibernate.dialect” value=”org.hibernate.dialect.PostgreSQLDialect”/> <property name=”hibernate.hbm2ddl.auto” value=”update”/> </properties> </persistence-unit> </persistence>

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