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Author Archives: José María Ruiz
Installing postgresql 9.2 in Ubuntu 13.04 (2013 August)
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
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Fix for the power management problem in Linux 3.10
I upgraded my Ubuntu 13.04 to the kernel 3.10 (so I can use a new USB 5Ghz WIFI card). As a consequence my computer no longer seemed to go into the «ondemand» mode and the fan was running all the … Continue reading
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Jenkins consuming all CPU while idle? You have the "leaping-second" problem
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/
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Ubuntu 13.04, Acer 5750 and Suspend not working
Just apply the fix that appears in http://ubuntuforums.org/showthread.php?t=2121631&highlight=ping-wu I’ve gotten the same problem. What I did to work around this problem: Copypasta the next few lines and save. Code: #!/bin/sh case “$1” in thaw|resume) echo 500 > /sys/class/backlight/intel_backlight/brightness ;; *) ;; … Continue reading
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Ubuntu 12.10 and add-apt-repository
If you find out references to the package python-software-properties everywhere, they are wrong. For some reason the Ubuntu team decided to move add-apt-repository to a different package, and you need to install it explicitly. Just install: sudo apt-get install software-properties-common
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Ensayo: Unas palabras para las personas con recursos (Enero 2012, Paul Graham)
(Translation of the Paul Graham’s Essay «A Word to the Resourceful») Enero 2012 NT: He traducido «resourceful» como «persona de recursos». Esta traducción dista mucho de ser perfecta, puesto que Paul Graham trata de acuñar un nuevo término que describa … Continue reading
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Ensayo: Definiendo «Propiedad» (Marzo 2012, Paul Graham)
(Translation of the Paul Graham’s Essay «Defining Property») Marzo 2012 Cuando era un niño leí un libro de historias sobre un famoso juez japonés del siglo dieciocho llamado Ooka Tadasuke. Uno de los casos vino del propietario de una tienda … Continue reading
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Ensayo: Escribir y hablar (Marzo 2012, Paul Graham)
(Translation of the Paul Graham’s Essay «Writing and Speaking») Marzo 2012 No soy un buen conferenciante. Digo «um» demasiado. A veces tengo que tomarme pausas porque pierdo el hilo. Me gustaría ser mejor conferenciante. Pero no estoy tan interesado en … Continue reading
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"Understanding is a poor substitute for convexity (ANTIFRAGILITY)"
Interesting article by Nassim Taleb (of “Black Swan” fame) about his new theory: Antifragility. Many of the last essays of Paul Graham have a similar tone and talk about the same principles. His seven rules are: Convexity is easier to attain … Continue reading
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Lo primero en mi lista de cosas por hacer (Abril 2012, Paul Graham)
(Translation of the Paul Graham’s Essay «The Top of My TODO List») Abril 2012 Bronnie Ware, una enfermera de cuidados paliativos, hizo una lista de las errores de los que más se arrepentía la gente que iba a morir. Su lista … Continue reading
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