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Some Mini-Howtos of Interest

Abstract

A little collection of Mini-Howtos for GNU/Linux systems trying to help solving everyday problems I have found in different aspects, from system administration to basic graphic edition or text processing. The howtos were prepared having Debian systems in mind, but they should be useful for other GNU/Linux systems as well. You can get the latest version of this document from github (Mini Howto GEM). Translations of all or part of this document to French (by Kate Bondareva) is also available online.

Copyright Notice

Copyright 2013 by Curro Perez-Bernal mailto:francisco.perez@dfaie.uhu.es

This document may be used under the terms of the GNU Free Documentation License version 1.3 or higher.

Contents

• 1 Basic Administration
  • 1.1 Reinstalling a wiped out GRUB
  • 1.2 Problem with journalizing
  • 1.3 Labels in ext2 and ext3 units
  • 1.4 Open a xconsole as normal user
  • 1.5 Resetting the root password
  • 1.6 Configure exim to use SMTP-TLS
  • 1.7 Copying CUPS configuration from one server to another
  • 1.8 Mapping network interfaces to a fixed name.
  • 1.9 Using labels to mount disk partitions
  • 1.10 Using find and xargs
  • 1.11 Preparing a USB bootable Linux installation device (Fast way).
  • 1.12 Preparing a USB bootable Debian installation device.
  • 1.13 Upgrading Flashplayer in Debian Lenny using backports.
  • 1.14 Passive network exploration with p0f.
  • 1.15 Preparing a bootable flashdisk with Billix.
  • 1.16 Recovering a console that is unusable.
  • 1.17 Simple configuration of sudo
  • 1.18 Check the groups to which a user belongs.
  • 1.19 Check the available system locale options and establish a default one.
  • 1.20 Change the encoding of given files.
  • 1.21 Problem with the wireless and nm
  • 1.22 Updating Debian
  • 1.23 Error in file /var/lib/dpkg/status
  • 1.24 How to record terminal sessions using ttyrec
  • 1.25 Using Bash to count the number of files in a directory
  • 1.26 Getting detailed information about your hardware
  • 1.27 Adding your servers load to the screen hardstatus line
  • 1.28 Making a backup of a Gmail account.
  • 1.29 Redirecting STDERR to SDTOUT
  • 1.30 Listing and extracting files from a deb package file.
  • 1.31 Using script to keep terminal output records.
  • 1.32 Checking actual kernel compiling options.
  • 1.33 Using parted to partition memory sticks or formatting HD partitions larger than 2 TB
  • 1.34 Adding a partition to fstab by UUID
  • 1.35 Error ejecting a CD
  • 1.36 Killing an unresponsive X-windows
  • 1.37 Enlarging the size of a tmp directory
  • 1.38 Checking if a package is installed in Debian
• 2 Network and Navigators
  • 2.1 Running multiple firefox instances
  • 2.2 Electronic signature with iceweasel
  • 2.3 Some tips to access the web using the console
  • 2.4 Make files in a directory downloadable from a web server
• 3 The ssh application
  • 3.1 Removing a known_hosts entry
  • 3.2 Generating a key pair and exporting to a remote host
  • 3.3 Launching with ssh programs that require a terminal
  • 3.4 Tunneling with ssh
  • 3.5 Using ssh to make a tarball directly in a remote folder
• 4 Emacs text editor
  • 4.1 Emacs macros
  • 4.2 Changing the default system's text editor to Emacs
  • 4.3 Removing empty lines in Emacs
  • 4.4 Reading init file .emacs
  • 4.5 Commenting a region of a code in Emacs
  • 4.6 Emacs org-mode
  • 4.7 Including comments and footnotes in the References section
• 5 Perl Language
  • 5.1 Installing a CPAN module
  • 5.2 Interesting perl oneliners
  • 5.3 Environment Codification and Character Ordering
  • 5.4 Extracting matches from a regular expressions
  • 5.5 Basic use of fork to launch a program
  • 5.6 Perl predefined variables. Some examples.
  • 5.7 Using a named pipe for interprocess communication in Perl
  • 5.8 CperlMode in Emacs
  • 5.9 Using Perl to benchmark code.
  • 5.10 Accessing recursively files and directories in Perl
  • 5.11 Correct way of opening filehandles in Perl
• 6 Fortran Tips and Templates
  • 6.1 Compile and install the LAPACK95 interface driver routine.
  • 6.2 Compile and link statically with NAG and LAPACK
  • 6.3 Creating a Makefile to use cpp with gfortran
  • 6.4 Obtaining environment variables values from Fortran
  • 6.5 Creating a vector of random data
  • 6.6 Obtaining the values and positions of the larger values in an array
  • 6.7 Tips for building a Fortran Makefile
• 7 Python Tips and Templates
  • 7.1 Creating a vector of random data
  • 7.2 Logical comparison between two boolean vectors
  • 7.3 Creating a loop iterating on a list and the list index
  • 7.4 Adding a column to a Pandas dataframe
  • 7.5 Getting the maximum component of a vector and its index in numpy
  • 7.6 Some easy examples of offset-aware times with pytz
  • 7.7 Creating a panel array of plots with Matplotlib
  • 7.8 Creating a panel array of plots with common axes using Matplotlib
  • 7.9 Combining several plots in a figure
  • 7.10 Display in Ipythonall the components of a Pandas Series or DataFrame
  • 7.11 Changing the number of lines to scroll in an Ipython qtconsole session.
• 8 Text Processing and Formatting
  • 8.1 pdftk application examples
  • 8.2 Merge two PostScript or PDF files
  • 8.3 Include et al. in bibtex
  • 8.4 Include bibliographical info in each chapter using LaTeX
  • 8.5 Comment paragraphs in LaTeX
  • 8.6 Installing appropriately a LaTeX package or style.
  • 8.7 Change the selected language in DebianDoc files
  • 8.8 Avoid Page %d may be too complex to print errors.
  • 8.9 Diverse LaTeX lists
  • 8.10 Use Unicode encoding in LaTeX
  • 8.11 Use color in LaTeX
  • 8.12 Easy way of defining smaller margins in LaTeX
  • 8.13 Changing footnote symbols in LaTeX
  • 8.14 Using the same footnote mark in LaTeX
  • 8.15 Using the euro symbol in LaTeX
  • 8.16 Changing pages to landscape orientation in LaTeX texts
  • 8.17 Including single column figures or tables in a double column LaTeX document
  • 8.18 Controlling horizontal spacing in LaTeX
  • 8.19 Including BibTeX References in the TeX source file
• 9 Graphic Edition
  • 9.1 Include greek characters in inkscape
  • 9.2 Include greek characters in Gimp
  • 9.3 Change the text baseline in inkscape
  • 9.4 Use ImageMagick to transform graphic files
  • 9.5 Enhancing colors and resolution in Gimp
  • 9.6 Remove the background of an image in Gimp
  • 9.7 Take a screenshot using Gimp
  • 9.8 Change the color of markers in inkscape
  • 9.9 Modify the canvas size of a Gimp file
  • 9.10 Terminal app to extract images from a pdf file
• 10 Miscelanea
  • 10.1 Compute the average from the results of Moodle test grading
  • 10.2 Splitting in two lines a cell content in Openoffice/simpress
  • 10.3 Solving BADSIG errors in UBUNTU (Oneiric Ocelot)
• 11 Translations of this document

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Some Mini-Howtos of Interest