Author Archives: josemaria

Check if rsyslog’s configuration has the following lines: $ModLoad imtcp $InputTCPServerRun 514 $PrivDropToUser syslog $PrivDropToGroup syslog As the user syslog cannot listen on ports below 1024 in TCP. Rsyslog will not fail and will silently run without any drawback. You … Continue reading →

In http://tarbox.org/, like: Don’t worry about people stealing your ideas. If your ideas are any good, you’ll have to ram them down people’s throats — Howard Aiken, IBM engineer  

Add the following two lines: set -x export PS4=’$LINENO ‘ And you will get the line number and the text of each executed line 🙂

GNU parallel seems to not work properly in Ubuntu: bash$ seq 10 | parallel echo {} bash$ Where are my numbers? For fixing this «problem» (misconfiguration will be a better description) you need to comment an option that is implicit … Continue reading →

Ubuntu doesn’t like PostgreSQL 9.2 because it breaks other packages (see explanation in stackoverflow). We need to use PostgreSQL own apt repository: prompt$ sudo sh -c  “echo ‘deb http://apt.postgresql.org/pub/repos/apt/ squeeze-pgdg main’ > /etc/apt/sources.list.d/pgdg.list” prompt$ wget –quiet -O – http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | … Continue reading →

And the solution is simple: $ sudo date -s “`date`” Many people were drive crazy by this bug in Linux. For more information visit: http://www.theregister.co.uk/2012/07/02/leap_second_crashes_airlines/