Show listening programs with netstat
You can use the following statement to get a list of all ips and ports to which programs are listening to at the moment. netstat -ptunl
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JBoss “binding to port failed” error code: -212
15:56:06.436 ERROR: [Agent.cpp:171] JDWP error in VM_INIT: TransportException [510/201] binding to port failed (error code: -212) This exceptions can be thrown if your debug-port is already in use.
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Bug in htpasswd.exe
I tried to configure basic authentication under an apache 2.4.4 and could not find out why my password didn’t match. Just got the following line in the log though my password was correct: […] [auth_basic:error] [pid …:tid …] [client ::…] AH01617: user ___: authentication failure for “/asd/”: Password Mismatch, referer: http://localhost/ So I found the
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m2e Java heap space
I got the following error during eclipse startup: eclipse.buildId=M20130204-1200 java.version=1.7.0_21 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE Framework arguments: -product org.eclipse.epp.package.jee.product Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product Error Tue Jun 04 16:59:24 CEST 2013 An internal error occurred during: “Updating indexes”. java.lang.OutOfMemoryError: Java heap space at org.apache.maven.index.updater.IndexDataReader.readUTF(IndexDataReader.java:144) at org.apache.maven.index.updater.IndexDataReader.readField(IndexDataReader.java:134) at
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JBoss EAP – Open Source?
JBoss EAP6 is the enterprise application platform of the JBoss application server. Till 7.1.1 there was a open source build available. But after that JBoss changed the distribution of binary builds. They do NOT deliver any freely available binary builds except you agree that you are only using them for development. If you want to
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Make grub2 safe last choice
To make grub2 remember your last choice you simply have to add 1 line to /etc/default/grub and edit one entry in this file: GRUB_DEFAULT=saved GRUB_SAVEDEFAULT=true Adding GRUB_SAFEDEFAULT=true makes grub safe your last choice and GRUB_DEFAULT=saved makes it use your last choice. In most cases you find something like GRUB_DEFAULT=0 in your file.
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Disable “Remote Login” in login screen
To remove the remote login entry from the login screen you just have to add the following line to the end of your /etc/lightdm/lightdm.conf: greeter-show-remote-login=false Here you can find how to remove the guest login: https://blog.coffeebeans.at/?p=259
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Add existing user to existing group
As I’m looking the man page of usermod everytime again, I’m writing the command here. In the following example I add the existing user manuel to the existing group eclipse: usermod -a -G eclipse manuel
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Openstreetmap Offline Map Data
I was looking for openstreetmap data of my country to import it into a local database. As only small areas can be exported over the exporter of the official web page I followed the hint to planet.osm which would contain data of the whole planet. After some reading I found http://download.geofabrik.de/ where you can download
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WordPress problem with PostgreSQL
I found strange errors like the following in my apache_error.log [Thu May 02 20:59:58 2013] [error] [client 84.114.158.229] WordPress database error ERROR: column p.id does not exist\\\\\\\\nLINE 1: SELECT p.id FROM wp_posts AS p WHERE … I found out that this comes from line 1178 in wp-includes/link-template.php. Just change the p.id at after the SELECT
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