• Oracle Java 7 auf Ubuntu installieren

    Installation via Paketverwaltung Oracle erlaubt nicht die Verwendung der normalen apt Repositories um Java zu verteilen. Die Verwendung der PPA Archive ist aber möglich, wobei hier die Java Pakete nicht in den PPA Repositories liegen, sondern bei der Installation runtergeladen Read More
  • ubuntu disable ipv6

    if you want to disable ipv6 for some reasons, there are several ways to do. do it temporarily (effects immediately) echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6 and do it permanently (requires reboot) #create any file in /etc/sysctl.d/ e.g. 01-disable-ipv6.conf # and write "net.ipv6.conf.all.disable_ipv6 = 1" Read More
  • linux number of open files

    How many files can a linux system open, how many files are allowed. How to check how many and which are open? You will find the answer here: How many files (real files) are opened? You can use the tool Read More
  • convert pfx cert into "apache" format

    You can convert a pfx cert into apache format with openssl. openssl pkcs12 -in domain.pfx -clcerts -nokeys -out domain.cer openssl pkcs12 -in domain.pfx -nocerts -nodes -out domain.key The public key is in domain.cer, the private key in domain.key Read More
  • 1