3 Installing a Master Boot. Before my top ten Linux CLI list, I want to preface this countdown by stating the commands presented are being presented to give you a working knowledge of how to get around your Linux terminal from the shell. Using openOffice maybe? can it be used on an ubuntu server edition ? any other convertor for docx to pdf in linux - server environment ?. Each year it has become increasingly difficult to operate due to ad-blockers. Getting LaTeX. Summary: Linux lsof command examples. Linux is a clone of UNIX. Introducing Peppermint 10. Bookmark this article for your future reference. Sujata Rizal 2 • Unix V6, released in 1975 became very popular. Linux Mint Troubleshooting Guide Edit on GitHub This guide will help you troubleshoot issues on your computers, find help within the community and report bugs to the development team. Common Linux Commands. You can do this on both Windows and Mac computers. Linux Mint is also designed to work in conjunction with other operating systems (including those listed above), and can automatically set up a “dual boot” or “multi-boot” environment (where the user is prompted as to which operating system to start at each boot-up) during its installation. If you are in need of an application which can do some basic editing, there are many options available. Adobe Reader is also available for Linux Mint (Ubuntu-based distro). Currently g++ --version returns 4. In this article we are going to review some of the useful and frequently used Linux or Unix commands for Linux System Administrators that are used in their daily life. Unix/Linux Command Reference File Commands 1. This kind of access to the packets which is the deepest level of the network can be vital when troubleshooting the network. The book starts with the installation process and covers task-oriented topics such as browsing the Internet and installing software as well as shell commands. d to restore the system configuration and set up services. To be an expert in Linux first step for a beginner would be to start learning the basic commands. How To Merge PDF Files In Command Line On Linux by sk · Published December 8, 2016 · Updated December 10, 2018 We already have covered how to split or extract particular pages from a PDF file in Linux using pdftk utility a while ago. 7 (As of this writing, MySQL Server version 5. See our Linux definition for related information and variant information. 04 and Linux Mint 18. Or you can browse Linux man pages by name; choose the first letter of the name of the Linux command, function, or file you are interested in. How can this be done? I would prefer using the command line, as. Linux Mint system will be supported until 2023 officially announced. That being said if you have a problem with the Mint update freezing, you can still do the same thing in the CLI to fix it. Edit PDF with Master PDF Editor for Linux Master PDF editor is a PDF editing tool that can edit, add text, images and password to a pdf file. Purpose of this release is to work as a Live operating system, and have all the most needed software. How to Install Master PDF editor in Ubuntu, Debian, Mint, elementary. It is an commercial OS. Download Kali Linux Commands PDF for free. Install Adobe Acrobat Reader in Ubuntu and Linux Mint. What's new. If a user wants a quick view of calendar in Linux terminal, cal is the command for you. command would be: airmon-ng start. Installing Lazarus on Linux mint 17. 0 Released, Google Rolling Out Android Auto Design Updates and Kernel 5. In Linux, mount command. The purpose of Linux Mint is to produce a. First get the process id using ps -ef command, then use kill -9 to kill the running Linux process as shown below. He said, "In continuation with what's been done in the past, Linux Mint 18. Linux command | grep - searches the output of the command for the specified pattern whereis - shows the locations of the command’s executable file which - shows the executable which would be run by default for executing the command Compression:. Linux Mint bringt unter anderem den Adobe Flash Player mit und kann MP3s und DVDs abzuspielen. Linux geeks generally use rsync command to manage day to day backup, mirroring, and restoration activities. If you use the Mint update GUI you will be less likely to cause breakage. The script itself can be obtained from Github or from the PPA. Add and edit PDF control elements like flags, buttons, lists, etc. debian-handbook. The export command is fairly simple to use as it has straightforward syntax with only three available command options. Tutorial – Mastodon The open and simple Mastodon API makes it easy to create applications to interact with this federated microblogging platform. The Linux Command Line takes you from your very first terminal keystrokes to writing full programs in Bash, the most popular Linux shell. See our Linux definition for related information and variant information. Use the following command to bring up the WiFI interface [email protected]:~# ip link set wlan0 up. I don't really know what Okular is, but I just googled it and thought of a solution. 2 Xfce Tina. Let’s get started. In can convert all the pages of a PDF document to separate PDF files, a single page or a page range, it supports specifying the image resolution, scale, crop the resulting images, and much more. The Linux Mint Translation Guide helps you contribute to Linux Mint and translate software and documentation in your own language. The tips for the older Linux Mint 18. err" Common Linux Find Commands and Syntax. Since it got its start in 2006, Linux Mint has quickly become one of the most popular distributions among Linux users. Linux Reference Card - Great reference published on FOSSwire website. The fdisk command is a text-based utility for viewing and managing hard drive partitions in Linux. Open-source Linux is a popular alternative to Microsoft Windows, and if you choose to use this low-cost or free operating system, you need to know some basic Linux commands to configure, operate, and interact with your system smoothly. To list your processor architecture in Ubuntu/Linux Mint, use one of these commands: To generate random passwords via the terminal, you can use the following commands: makepasswd is a command line tool for generating passwords in Ubuntu/Linux Mint. com File Commands ls - directory listing ls -al - formatted listing with hidden files cd dir - change directory to dir cd - change to home pwd - show current directory mkdir dir - create a directory dir rm file - delete file rm -r dir - delete directory dir rm -f file - force remove file. 1 is “Tessa“. -Use virtual terminals. com) Linux Commands Cheat Sheet in Black & White by Bobbin Zachariah [pdf] (linoxide. Unlike CMD commands on Windows, here on Ubuntu and other Linux distros we use commands to do most of our tasks. I will show you how to install it. Screenshot guide to show you how to easily install Linux Mint 16 with If you need more hints, here is a screenshot tutorial on how to create a live USB for Linux. 1: User commands; man-pages includes a very few Section 1 pages that document programs supplied by the GNU C library. fingerd Provides a network interface for the finger program. So what to to do if you want to install a new Lazarus on your Linux Mint 17. In the future, we will create a separate guide with advanced Linux commands. Pine64, the makers of a popular Raspberry Pi rival, have kicked off pre-orders for a $200 Linux laptop, the Pinebook Pro. This article highlights some advanced features of VirtualBox that could save you some time and effort. Linux has been under active development since 1991. pdf Free Download Here Linux Bash Shell Cheat Sheet - Learn Code The Hard Way http://cli. Let’s get started. In an age when smartphone owners are balking at $1,000 price tags on super-powered smartphones,. How to use apt Command in Linux. In this article, I will show you how to make a Linux Mint 19 bootable USB drive and install Linux Mint 19 from it. That's because, during installation, a default user is created, and the default user in Ubuntu is always set up with Sudo permissions. The LinuxCNC project is not affiliated with UBUNTU. This is especially useful when you are pushing the updates via remote login where the use of terminal shines! Install Updates on Ubuntu, Linux Mint, and elementary OS from Terminal. But I'd like to convert my PDF file to image file. The encryption of the partition will be managed using the cryptsetup command. We issue commands through the command line interface which is interpreted and passed on to the kernel for processing. 0 from command line only, and, more specific how we can set up a Static IP addresses on network. The chmod command. In this Linux Commands Cheat Sheet find: Basic to more advanced shortcuts. It uses remote shell like SSH while synchronizing the files from local machine to remote machine and any user in the system can use rsync command as it does not require root or sudo privileges. Master the command line and you'll be able to perform powerful tasks with just a few keystrokes. nohup - runs a command that keeps running after logout. Your source of. Try: sudo apt-get install Okular in your terminal. For someone to work in the Terminal they need to familiarize themselves with Linux commands. 04, and derivatives (e. Bookmark this article for your future reference. Install Linux Mint in VirtualBox - Confirm Virtual Disk File. Express Linux Tutorial Learn Basic Commands in an Hour Ritu Arora ([email protected] Kali Linux i About the Tutorial Kali Linux is one of the best open-source security packages of an ethical hacker, containing a set of tools divided by categories. For better or for worse, Adobe’s Portable Document Format (PDF) is a wildly popular way of exchanging information. Could you please guide me how use it. This document intoduces some of the basic features of the Shell and lists many of the commands or programs available on the Linux computers in Cardiff School of Computer Science & Informatics. Just give File -> Print, select "Print to file", set output format to PDF, and give the filename and location. ” “Tara is a popular name here in Ireland, and the name of someone we really like,” the announcement read. There are command-line tools like pdftotext or pdfgrep that can be used to do simple search on multiple PDF documents at once. This terminal is just like command prompt of Windows OS. odp file to pdf in batch. In this tutorial, we will show you how to use the rm, unlink, and rmdir commands to remove files and directories in Linux. Since it got its start in 2006, Linux Mint has quickly become one of the most popular distributions among Linux users. A Premium PureVPN account (if you haven’t bought it yet, click here to buy) Just follow the below mentioned steps to configure OpenVPN on Linux Mint: 1 Open Terminal. In the Guide, you will learn how to:-Install Linux Mint. Linus Torvalds is known for disagreeing with other developers on the Linux kernel mailing list. Stable version should be released at the end of June according to Linux Mint’s blog. Es werden Live-DVDs mit Cinnamon, MATE, KDE und Xfce als Desktopumgebung angeboten. Download Linux-Intelligent-Ocr-Solution for free. On Unix-like operating systems, the ln command creates links between files, associating file names with file data. Ubuntu Tip:Howto reduce PDF file size from command line Posted on August 18, 2009 by ruchi 43 Comments If you want to reduce PDF file size using command line you can use ghostscript. org is a site for Linux education and advocacy devoted to helping users of legacy operating systems migrate into the future. But I'd like to convert my PDF file to image file. zncklznklc, 1991. CentOS You want Red Hat without the support contract from Red Hat. These manual pages will also work for Red Hat 5. My personal top 10 for the Mate desktop. pdf with a new filen. To install new GTK3 themes on your Linux Mint installation, open the themes window and click the Get more themes online option. By default, cal command shows current month calendar as output. 04 LTS on 2011-11-08. This tutorial intends to walk through basic Linux commands related to navigation, file. Linux man pages are organized as several sections. In the future, we will create a separate guide with advanced Linux commands. mv command in Linux/Unix. cvt - CentOS 5. I have many directories containing but one pdf file (e. " Albert Einstein 1. Because on Linux, you usually should use terminal commands instead of just clicking the launcher icon (as you did on Windows. $ sudo dpkg -i linux-header-4. Install Linux Mint in VirtualBox - Confirm Virtual Disk File. RTL-SDR for Linux Quick Start Guide These instructions were created for Linux Mint and should work in any gray is exactly what you want to type at the command. 2 with the Xfce desktop environment; the corresponding page for Linux Mint with the Cinnamon desktop is here and for the MATE desktop is here. Step 3: Bring up the WiFi interface – WiFi network from command line. 1 and the default installed version 2. I am using Linux Mint 13 (fully updated) installed all the packages listed in the article. This is an all-inclusive guide to Linux Mint, and will teach you everything you need to know in order to use a Linux Mint system. deb and tarballs directly. Ubuntu Reference Privileges sudo command - run command as root sudo -s - open a root shell sudo -s -u user - open a shell as user sudo -k - forget sudo passwords gksudo command - visual sudo dialog (GNOME). 31 March 2017 -- Note for users of Linux kernels older than 2. Shell - Linux provides a special interpreter program which can be used to execute commands of the operating system. To be an expert in Linux first step for a beginner would be to start learning the basic commands. Linux, however, has no version of Distiller. use the command with ‘sudo’ prefix. As Linux Mint Cinnamon is the most tractable and secure desktop system, as MintGuide. The Linux Mint Translation Guide helps you contribute to Linux Mint and translate software and documentation in your own language. Linux Terminal Command Reference - Linux Mint Community. At least, your android phone has Linux kernel on it. Ubuntu (pronounced "oo-boon-too") is one of the most popular desktop Linux operating systems. 6 Previous story. The LinuxCNC project is not affiliated with Debian. This is the Terminal (command line interface). Note: If you're using Ubuntu, Linux Mint, CentOS, Fedora etc. deb packages. Currently g++ --version returns 4. After downloading the file, use Terminal to go to the directory and run the following command to install the file. To install MySQL Server on Linux Mint, make your way to a Terminal window or a command prompt, and type this command: sudo apt-get install mysql-server-5. How could I merge / convert multiple PDF files into one large PDF file? I tried the following, but the content of the target file was not as expected: convert file1. Many people still believe that learning Linux is difficult, or that only experts can understand how a Linux system works. pdf pg_0004. Linux geeks generally use rsync command to manage day to day backup, mirroring, and restoration activities. There is alternative way to open the root terminal. Support PCsteps. com) Linux Commands Cheat Sheet in Black & White by Bobbin Zachariah [pdf] (linoxide. How can we convert the docx to pdf ? Or any other library to generate pdf files that allows images in header /footer ? Using windows components is not a solution. In this file, we can store both text and images. You can browse by category, search by keyword or sort the software by rating and popularity. 17-1kali_all. In Linux Mint 19. Install Festival by typing the following command in a Terminal: sudo apt-get install festival. It also details how to change the default application for a batch of filetypes, for example all audio files or all video files. In the command mode, every character typed is a command that does something to the text file being edited; a character typed in the command mode may even cause the vi editor to enter the insert mode. 2 on Linux Mint. To redirect connections through the Tor network we will use ProxyChains utility. Kali is the very first choice of all the people related to ethical hacking and penetration testing. VI Text Editor with Commands: Linux/Unix Tutorial. Linux Mint Troubleshooting Guide Edit on GitHub This guide will help you troubleshoot issues on your computers, find help within the community and report bugs to the development team. Issue the following command at the terminal- sudo apt-get install pdfshuffler 2. Anna tulostimen nimi komennossa 'lpr -P PDF'. As an alternative, you can use the Linux gunzip and tar commands to extract the driver files. Unix/Linux Command Reference. Command Line tools for Linux user / group management Following are the Linux command line tools for managing users and groups :. At least basic knowledge of computer, files, directories and the command line is required. When used in its "QB" language mode, FreeBASIC provides a high level of support for programs written for QuickBASIC. All the Linux/Unix commands are run in the terminal provided by the Linux system. The latest release of calibre is 4. txt and send it, byte by byte, to the printer device /dev/lp. Bluetooth Problem on Ubuntu 19. Command mode takes the user commands and the Insert mode is for editing text. pdf} When you call pdf it will open all pdfs in the current directory, specify which pdf by supplying an argument. 04 Bionic Beaver. It is an. The Linux kernel is updated to version 4. All the mentioned Linux Tutorial books originally come with a pdf version, and I have also made an epub, Mobi, and amazon kindle copy from the original pdf copy. It uses the same authentication and security as it is used. The installation is tested in Ubuntu 16. This page includes basic Linux Mint tutorials, lessons, and helpful files that we update with each stable release of Linux Mint. I hope these Linux lsof command examples have been helpful. There are many commands available to check hardware information of your Linux system. This article serves the purpose of helping the user to install and to upgrade the kernel in the Linux Mint operating system. Linux Mint Essentials is an all-inclusive guide to Linux Mint, and will teach you everything you need to know in order to use a Linux Mint system. L inux Mint is the best Linux operating system for new Linux learners. Introducing Peppermint 10. open your Ubuntu Terminal [CTRL+ALT+T] install pdftk by using this command : sudo apt-get install pdftk make sure pdftk is now installed by write this on terminal : pdftk you will see a bunch of pdftk command instructions if it already installed simply using this command to add a password to your existing pdf document. pdf} When you call pdf it will open all pdfs in the current directory, specify which pdf by supplying an argument. Acknowledgments. rm: Short for remove, this command is used to remove any files or folders. The new release of Linux Mint is imminent, so here is a look at both the Cinnamon and MATE versions. com File Commands ls - directory listing ls -al - formatted listing with hidden files cd dir - change directory to dir cd - change to home pwd - show current directory mkdir dir - create a directory dir rm file - delete file rm -r dir - delete directory dir rm -f file - force remove file. This editor enables you to edit lines in context with other lines in the file. That being said if you have a problem with the Mint update freezing, you can still do the same thing in the CLI to fix it. The script itself can be obtained from Github or from the PPA. To be an expert in Linux first step for a beginner would be to start learning the basic commands. pdftoppm can convert PDF document pages to image formats like PNG, JPEG, and others, from the command line. Linux command | grep - searches the output of the command for the specified pattern whereis - shows the locations of the command’s executable file which - shows the executable which would be run by default for executing the command Compression:. In the command mode, every character typed is a command that does something to the text file being edited; a character typed in the command mode may even cause the vi editor to enter the insert mode. LinuxCommand. Mint update pins or classifies updates for stability. file type may be of human-readable(e. However, newcomers to Linux may find it difficult to approach the structure of an unfamiliar operating system. Piping and redirection is the means by which we may connect these streams between programs and files to direct data in interesting and useful ways. Non-Beginners: If you're already familiar enough with ROS fuerte or earlier versions and only want to explore the new build system introduced in groovy and used in hydro and later, called catkin, you can go through more in-depth catkin tutorial here. A cheat sheet of the commands I use most for Linux, with popup links to man pages. You can check this with commands. This is easy to use Linux command line index. 04 Install the net-tools package on Ubuntu 17. Cheat-sheet for Apache2 commands Linux Mint / Ubuntu / Debian LAMP installation and configuration in Linux Mint 17 / Ubuntu 14. Ready to do a little damage? The rm command removes a file (assuming you have permission to do so) without even saying hasta la vista. 2: System calls documents the system calls provided by the Linux kernel. ls Directory listing 2. To install MySQL Server on Linux Mint, make your way to a Terminal window or a command prompt, and type this command: sudo apt-get install mysql-server-5. 99: 113: 61: 6 years ago: How to Make Firefox Faster on Linux Mint: 88: 99: 35: 6 years ago: How to install Linux Mint via USB: 79: 85: 35: 8 years ago: Install LibreOffice 3. Linux Mint system will be supported until 2023 officially announced. I built a long range wifi antennae and pointed it toward town. Since Adobe no longer supports Linux, you won’t be able to install the latest Adobe Reader in Linux. 2 it became compatible with LMDE and it received a new pane to show and upload system information. It worth noting that both tools used to extract text from PDF files mentioned in this article cannot extract the text if the PDF is made of images (for example scanned book pages / pictures). The Server version is the command-line utility for performing various tasks. 8 desktop environment, with performance improvements. It uses the same authentication and security as it is used. Platform Support Nagios Enterprises provide support for installing Nagios XI on the following Linux Distributions: • Red Hat Enterprise Linux (RHEL). We found that it's an impressive compromise between Gnome Shell's new fangled way of doing things and the more traditional desktops of the past. Download with Google Download with Facebook. Mint continues to be one of the world's best, it just works. The Official Peppermint User's Guide. Linux Mint is an Ubuntu-based distribution whose goal is to provide a classic desktop experience with many convenient, custom tools and optional out-of-the-box multimedia support. Install Adobe Acrobat Reader in Ubuntu and Linux Mint. command would be: airmon-ng start. Many useful commands for Ubuntu and Linux Mint. commands basic linux commands for beginners basic linux commands pdf. This terminal is just like command prompt of Windows OS. or try this: okular - Linux Mint Community Sorry I wasn't of much help. Your source of. By learning how to use a few simple tools, command-line cowards can become scripting commandos and get the most out of Linux by executing kernel and shell commands. That being said if you have a problem with the Mint update freezing, you can still do the same thing in the CLI to fix it. ls -lt Sorting the Formatted listing by time modification 4. or try this: okular - Linux Mint Community Sorry I wasn't of much help. 16 Command Examples to Send Email From The Linux Command Line In this post you'll learn how to send emails from the Linux command line. Ubuntu (pronounced "oo-boon-too") is one of the most popular desktop Linux operating systems. fbcmd is a cross-platform tool that lets you use Facebook from the command line. $ cat pdf #! /bin/bash gnome-open ${1:-*. In Linux, if you need to kill a process (for whatever reason) through the command line, you can you use the kill command, which requires you to pass as input the ID of the process you're trying to terminate. In this lesson, I am talking about basic commands in Kali Linux, not all only that you needed in starting a + free source of learning all Linux commands. 6 Previous story. Don’t be fooled by the fact that it is a command line tool. From multi-layered content management systems to social networking portals supporting millions of users, the LAMP provides a stable foundation for some of the largest web applications. A tutorial database, for users to write and host tutorials about Linux Mint. Although modern Linux interfaces can help to ensure you rarely have to use this "old school" tool, there is a great deal of power you would be missing if you ignored it all together. The pdftk toolkit allows for this this type of functionality on Linux. Linux Newbie Guide: Shorcuts and Commands – Linux essential shortcuts and sanity commands; Common Linux commands - system info; Basic operations, network apps,. The PocketBeagle is a single board PC which is different from other single board systems. project in each user’s home directory. com File Commands ls – directory listing ls -al – formatted listing with hidden files cd dir - change directory to dir cd – change to home pwd – show current directory mkdir dir – create a directory dir rm file – delete file rm -r dir – delete directory dir rm -f file – force remove file. Provide your Mint password and hit enter again. Page 2 doesn't tell you how to install Linux since it is very straight forward but it gives you real world mail, DNS, proxy, web, messaging etc… server installations and. use the command with ‘sudo’ prefix. Learn 250+ best Kali Linux commands and increase your basic knowledge about Kali Penetration OS. Use the following command to bring up the WiFI interface [email protected]:~# ip link set wlan0 up. List of Beginner Ubuntu Commands mv: Short for move, this command can be used to move your files from one folder to another. Shotts, Jr. 2 - Linux Users Guide gconf-editor gconf-editor - Linux Command SYNOPSIS gconf-editor DESC RIPTION GConf-Editor is a tool used for editing the GConf configuration database. It uses the same authentication and security as it is used. In this Linux Commands Cheat Sheet find: Basic to more advanced shortcuts. The encryption of the partition will be managed using the cryptsetup command. For someone to work in the Terminal they need to familiarize themselves with Linux commands. pdf, and use the GUI to flatten it (if it was made with many layers) by selecting "Flatten Image" in the "Image" dropdown menu. The shell is somewhat unique, in that it is both a powerful command line interface to the system and a scripting language interpreter. Translation Guide. So if the command line is "nvme foo --option=bar", the argc is 1 and argv starts at "--option". However, newcomers to Linux may find it difficult to approach the structure of an unfamiliar operating system. This tutorial, which is the first in a series that teaches Linux basics to get new users on their feet, covers getting started with the terminal, the Linux command line, and executing commands. Linux Shell Commands. How To Install Master PDF Editor 1. Linux Tutorials Index: Linux tutorials and technical how-to information and examples for Linux desktop and server configurations. List of Beginner Ubuntu Commands mv: Short for move, this command can be used to move your files from one folder to another. This howto explains how to change the default program to open all files with a given extension on Linux Mint, Ubuntu, Debian, and most Linux distributions. out the command list from "Linux in a Nutshell 3rd Edition" for an index of 300+ commands and their explanations. , "Elyssa" for version 5, "Felicia" for version 6). Many times in your Windows computer, the ‘PDF File Not Responding’ occurs as soon as the PDF file is not open. I am using Linux Mint 13 (fully updated) installed all the packages listed in the article. Linux mv command. err" Common Linux Find Commands and Syntax. Most of the. Explain the use of make command and the syntax of makefiles. There are many commands available to check hardware information of your Linux system. 2 • PCI Express Port Bus Driver Support for Linux per PCI Express Port. Getting LaTeX. It included in all editions of the operating system. To install new GTK3 themes on your Linux Mint installation, open the themes window and click the Get more themes online option. Arch Linux careers CentOS cheat sheet Cloud Command Line Debian Desktop Fedora File System FTP Gentoo Installation Jason Cannon jobs Learn Linux in 5 Days Linux Linux administrator linux certification Linux Mint Linux Professionals Linux System Administrator Mageia MySQL Nginx online courses OpenSuse Programming Python Q&A on linux career. The iptables program is a user-space utility program that allows admins to configure the iptable chains and set up firewalls. Learn 250+ best Kali Linux commands and increase your basic knowledge about Kali Penetration OS. Unix is also an operating system like Linux. That was just some of the main Linux commands. (_SC_ARG_MAX) to determine the command-line size limit ftpd: do not use root_fd if we are not. DigitalOcean offers Linux distributions on droplets because Linux is free and easy to use. List of Unix, Linux Commands accept accton acpid addftinfo addpart addr2line adduser agetty alias alternatives amtu anacron animate anvil apachectl apm apmd apmsleep appletviewer apropos apt ar arbitron arch arp arping as aspell at atd atq atrm atrun attr. A friend showed me how to extract images from a pdf file using pdfimages utility. scp (secure copy) command in Linux system is used to copy file(s) between servers in a secure way. If you know of another easy way to split up pages from a pdf file, please tell us in a comment. 0 Author: Christian Schmalfeld This tutorial is supposed to show useful terminal commands to people who are new to Linux. This tutorial won't focus on these as I reckon you can probably figure that part out by yourself. It worth noting that both tools used to extract text from PDF files mentioned in this article cannot extract the text if the PDF is made of images (for example scanned book pages / pictures). This installation method is based on the official. Ubuntu Tip:Howto reduce PDF file size from command line Posted on August 18, 2009 by ruchi 43 Comments If you want to reduce PDF file size using command line you can use ghostscript.