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Home  /  CAEN  /  Frequently Asked Questions  /  Linux

Linux

  • Navigating Linux
    • How can I get started using Linux?
    • What basic commands should I know in order to begin using Linux?
    • What are dotfiles? How can I customize my dotfiles?
    • What Linux shells are supported at CAEN?
    • How can I run an alternate shell in the CAEN environment, such as tcsh or bash?
    • There is a large file named "core" in my home directory. Can I delete it?
    • My backspace key does not function correctly. How do I fix this?
    • How do I deal with file or directory names with spaces in them?
    • How can I find a file if I can't remember which directory it is in?
    • How can I set up a symbolic link to a directory? How do I remove it?
    • How can I set the Linux prompt to show what directory I am in?
    • How do I uncompress a file with the .gz extension?
    • How do I extract the contents of a file with the .tar.Z or .tar.gz extension?
  • Linux Workstations
    • Are there dedicated, Linux-only hosts that I can log into remotely to run my programs/compute jobs?
    • How can I find out which workstations are not being used?
    • Every time I try to log into a Linux workstation, I immediately get logged out. What is wrong?
    • What is rmproc and when can I use it? How do I remove remote processes running on my workstation?
    • How do you access files that are located on a DOS floppy disk from a Linux workstation?
    • How do I mount a CD disk on a Linux machine?
    • How do I give people access to my CAEN-supported Linux workstation?
    • I've been having difficulty looking at remote processes on my CAEN-supported Linux workstation with the rsh command. What can I do?
    • How do I export the local file system of my CAEN-supported machine to be accessible from other machines?
    • How can I select what Linux software version is my default?
    • I tried starting Mozilla Firefox on a Linux computer and I received a message that it was already running, or that some process ID was using my session, and it is locked. How do I fix this?
    • Does CAEN have a font server I can use with my X applications?
    • How do I use the IMSL math library?
  • Text Editors
    • How do I use the visual text editor (vi)?
    • How do I use Emacs?
  • LaTeX
    • How do I get started learning LaTeX?
    • Where can I find the makeindex program to run on myfile.idx?
    • I have to write papers in Spanish with LaTeX and I would really appreciate the ability to have the Spanish style (for the accents mainly). Where can I find this?
    • I need to write large tables that span many pages. I tried the tabular environment but found it put everything on one page with most of the text going down below the physical page. Is there a way of doing this without breaking the large table into smaller ones that would fit onto one page?
    • Is there a way of using the underline command in the cells of a table such that it doesn't overlap into the other cells if the underlined text is long?
    • I find that LaTeX leaves too much space in the left and top margins of the table. Is it possible to center the table in the physical page?
    • What packages and commands are available on CAEN workstations for including graphics files in LaTeX 2e documents. What formats are available to choose from for these graphics? How can I convert pics to an acceptable form?
    • How do you insert postscript figures into a Latex2e document?
    • I am planning to write my thesis using LaTeX. Could you tell me where I can get the Rackham LaTeX format for PhD thesis?
    • I would like to take a figure I made in Canvas and place it in a Latex file. Is there more to it than saving the Canvas figure as a postscript file, transferring it, and reading it into the LaTeX file?
    • I am having problems with rac.sty under LaTeX2e. It doesn't like the /startthechapters command.
    • I have some .eps files from a scanner that I am trying to embed into a LaTeX file. The problem is that they contain a lot of white space and I can't easily edit the files to alter the bounding box. What can I do?
    • How can I override the counter numbering of an equation in LaTeX? More precisely how do I number them, and then in the section number them differently for it and the appendix?
    • I am running LaTeX for a report and need to have a reference in a caption of the table. How do I do that?
    • I tried to create a box picture, and defined textwidth/height (16x21cm), and unitelength (0.333cm). Then I tried to create a box (45x60 UL) starting point is (0,0). I got error message that says "Overfull \hbox (...pts too wide} detected in line." What does this mean?
    • When I run a program to create multibox in one page I had a message
    • I am writing a paper using {article} style. I need to add one or two appendices to my document. I used the {\appendix} command but it did not give me a new set of numbering for my equations.
    • I am having problems including FrameMaker postscript files in my LaTeX documents.
    • I am having problems using the doublespace package?
    • I am writing a paper and I need to have some of my figures in landscape format. I have the files to implement figures in LaTeX in regular format. I know that it is possible to change the format of my graph when I use ghostview, but this is not a good way and the quality is not good.
    • I was hoping that LaTeX would resize the figure to fit into its document formatting. How can I fix this?
    • All the plots and figures of a chapter are ending up at the end of the chapter. I want them to be in the middle of the chapter where they are refered to.
    • I'm wondering if it's possible to change aspects of the documentstyle in the middle of the document. For example, what if I wanted to use documentstyle "onecolumn article" on page 1, and then change to "twocolumn article" on the subsequent pages? Is that possible?
    • Is it possible to convert a LaTeX document into a FrameMaker or WordPerfect one. If yes, how can it be done?
  • Scripting & Programming
    • How do I begin programming in C and/or C++ on CAEN Linux computers?
    • How do I write a basic shell script?
    • How do I begin scripting in Perl?
    • How to I use the shared libraries on CAEN Linux computers?
    • How do I use the NAG libraries?

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Last edited on: 11/12/2008