Sudo apt-get install xpdf

It offers features like adding annotations documents, document printing, etc. You need to install it manually on Linux by running following commands one-by-one because it is not available in Ubuntu Software Centre. It comes bundled with all Linux repositories and you can install it manually using the command given below.

Evince is a lightweight and simple PDF reader which offers very good overall user experience. Okular features includes page annotations, extract text from PDF file to text file, bookmarks and many more. It works smoothly on low-end machines and also handles large PDF files effortlessly.

You can install Okular manually using following command. Zathura is free and very easy to use lightweight document viewer which is very popular among Linux users. Zathura offers features like search, mouse-free navigation, synctex support, bookmarks, automatic document reloading and easy customization. Zathura has very simple user interface which works on minimal hardware resources.

You can install this document viewer from Ubuntu Software Centre or manually from Terminal using following command. It is very simple and easy to use document viewer which supports document file formats like PDF, PostScript, etc.

GNU GV offers very basic features which you will find in any normal document viewer. The following set of steps will download Xpdf version 3. Feel free to do so if you like. Since each called function in a program allocates a stack frame on the stack, if a function is recursively called so many times it can lead to stack memory exhaustion and program crash.

Our first stop will be the Cargo. Build scripts are useful when one needs to perform some set of actions at build time. By placing a file named build. The build. Within the main function, we can configure when the build script should be run after the initial build. These directives tell cargo to re-run the build script if any of the files at the given paths have changed. More specifically, if their mtime timestamp has updated or not.

Those commands are listed below to give you an idea of what build. The rest of the commands follow the same kind of pattern. The entirety of build. Ultimately, the fuzzer is going to be put together piece-by-piece using different components from LibAFL.

As we go through main. First up is the input corpus. The input corpus holds all of our current testcases. Keeping our corpus in memory and preventing disk access should improve the speed at which we manipulate testcases. While creating the input corpus, we need to define the Input type. The Input represents data received from some external source. Those byte arrays will eventually be mutated by the fuzzer before being passed to the program being fuzzed.

Our output corpus, which is of the type OnDiskCorpus , is the corpus in which we store those solutions. Said another way: any generated PDF that causes the program to hang will be stored in the output corpus.

The next component for our fuzzer is the Observer. An Observer can be thought of as something that provides information about the current testcase to the fuzzer. While the TimeObserver was simple, the next Observer is less so. In addition to execution time, we also want to keep track of the coverage map this is a coverage-guided fuzzer after all.

In order to build a coverage map, we need some shared memory. Improve this question. Indranil Indranil 93 1 1 silver badge 6 6 bronze badges. Does this help? Add a comment. Active Oldest Votes. You can manually download XPDF from Improve this answer. N0rbert N0rbert Try using the the It's not guaranteed, but much better than nothing.

How is poppler used as a PDF viewer? Which is the command line application to replace xpdf? I have the same question, how do you use poppler , the web seems remarkably silent on this question. I installed libpoppler-dev but still there's no poppler script — Leo Simon. Of the installation choices: sudo apt install okular sudo snap install okular apt wanted to install packages and dependencies totaling MB.

Other tools pdftotext, etc are already there in poppler-utils. Curt Curt 3 3 bronze badges. Eduardo Lucio Eduardo Lucio 4 4 silver badges 13 13 bronze badges. Sign up or log in Sign up using Google.