Gugu Ncube

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Author: Gugu Ncube

  • Ubuntu – Firefox Issue: The page isn’t redirecting properly

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    Gugu Ncube
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    The Fix sudo apt-get purge -y firefox firefox-* cd ~ sudo rm -rf .mozilla/firefox/ .macromedia/ /etc/firefox/ /usr/lib/firefox/ /usr/lib/firefox-addons/ sudo apt-get purge -y firefox firefox-* sudo apt-get install -y firefox Also don’t delete cookies after the re-installation, if you imported data on the first run from Chrome or Opera. https://support.mozilla.org/sv/questions/938531

  • Ubuntu – Fixing locate errors – perl: warning: Please check that your locale settings

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    Gugu Ncube
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    Generate new Locales perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_PAPER = “de_DE.UTF-8”, LC_ADDRESS = “de_DE.UTF-8”, LC_MONETARY = “de_DE.UTF-8”, LC_NUMERIC = “de_DE.UTF-8”, LC_TELEPHONE = “de_DE.UTF-8”, LC_IDENTIFICATION = “de_DE.UTF-8”, LC_MEASUREMENT = “de_DE.UTF-8”, LC_CTYPE = “UTF-8”, LC_TIME = “de_DE.UTF-8”, LC_NAME = “de_DE.UTF-8”, LANG = “en_US.UTF-8” are supported and installed on…

  • ffmpeg – Extracting mp3 or AAC Audio from a FLV or MP4 Video

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    Gugu Ncube
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    Extraction Script #!/bin/bash fullfilepath=$1 filename=”${fullfilepath%.*}” echo $filename #determine file extension extension=$(ffmpeg -i “$fullfilepath” 2>&1 | grep Audio|sed ‘s/.*Audio: \([a-z0-9]\+\).*/\1/ig’) echo $extension audiofilename=”$filename.$extension” echo $audiofilename ffmpeg -i “$fullfilepath” -vn -acodec copy “$audiofilename” #ffmpeg -i “$fullfilepath” -vn -ab 160k -ac 2 -ar 44100 “$filename.mp3” Extract Audio in Video as MP3 find . -name “*.flv” -type f -exec…

  • Lean Virtual Servers in Germany 2015

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    Gugu Ncube
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    The following companies offer virtual servers on transparent, lean and competitive prices. Additionally all their offers are easily cancellable monthly via online interface 🙂   contabo.de, 7,99 EUR, 2Core, 6GB, 500GB HDD, https://contabo.de/?show=konfigurator&vserver_id=130 netcup.de, 7,99 EUR, 2Core, 6GB, 120GB HDD, https://www.netcup.de/bestellen/produkt.php?produkt=1001 noez.de: 6,50 EUR, 4Core, 2GB, 250GB HDD, https://noez.de/vserver/medium/ x4-tec.com: 6,40 EUR, 3Core, 2GB, 100GB…

  • Mac OSX – Kodak Printer issues

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    Gugu Ncube
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    After updating OSX, printong to a Kodak printer stopped working. To fix this, just “terminal” in the spotlight search In the terminal, paste the following commands 🙂 sudo sh -c ‘echo “Sandboxing Relaxed” >> /etc/cups/cups-files.conf’ sudo launchctl stop org.cups.cupsd References 1. http://support.en.kodak.com/app/answers/detail/a_id/49247/~/why-cant-i-print-after-i-upgrade-to-mac-os-10.10-(yosemite)%3F/selected/true

  • Ubuntu – Postgres 9.4 Installation in Ubuntu 14.04

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    Gugu Ncube
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    # remove the old postgres version (not data) sudo apt-get remove -y postgresql postgresql-9.3 # add package sources list, key and update sudo sh -c “echo ‘deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main’ > /etc/apt/sources.list.d/pgdg.list” wget –quiet -O – http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | sudo apt-key add – sudo apt-get update -y –fix-missing sudo apt-get install -y libpq-dev postgresql-9.4 References 1.…

  • Ubuntu – insserv – Error Fix – Can’t exec “insserv”: No such file or directory

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    Gugu Ncube
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    Setting up postgresql-common (165) … Can’t exec “insserv”: No such file or directory at /usr/sbin/update-rc.d line 203. update-rc.d: error: insserv rejected the script header dpkg: error processing package postgresql-common (–configure): ln -s /usr/lib/insserv/insserv /sbin/insserv References 1. http://askubuntu.com/questions/218511/apt-get-giving-an-error

  • Virtualbox – Share Ubuntu and Mac OS Folders to a Ubuntu Guest Server

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    Gugu Ncube
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    Virtualbox – Sharing Folders with the correct permissions # Add current user to vboxsf group in Ubuntu guest OS sudo usermod -aG vboxsf $USER #You can access the share by making the user, or group id of 1000, a member of group vboxsf. #This is done by changing the vboxsf line in the /etc/group file.…

  • Ubuntu – Sudo commands without password in Linux sudoers

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    Gugu Ncube
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    Automatically add current user to the sudoers file if sudo grep -q “$USER ALL=NOPASSWD: ALL” /etc/sudoers; then echo “passwordless sudo already active” else echo “setting sudo without password for $USER”; sudo sh -c ‘echo “‘$USER’ ALL=NOPASSWD: ALL” >> /etc/sudoers’ fi Logout or Reboot sudo logout sudo reboot Doing the above Steps Manually sudo visudo [sudo]…

  • Python – String to Number Hash

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    Gugu Ncube
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    def string2numeric_hash(text): import hashlib return int(hashlib.md5(text).hexdigest()[:8], 16) # test >>print string2numeric_hash(‘this is a nice string’) 1962341389 References 1. http://stackoverflow.com/questions/2511058/persistent-hashing-of-strings-in-python