Find out useful system information with the command line Find out what day Easter is? Use this useful command. ubuntu ~ $ ncal -e March 27 2016ubuntu ~ $ ncal -e March 27 2016 Display the date of Easter for Greek and Russian Orthodox Churches. ubuntu ~ $ ncal -o…
Read MoreHow to make the Xterm font larger.Using the .inputrc file to control keybindings in xterm.Enabling color ls output.Viewing files with the command-line. How to make the Xterm font larger. To make the Xterm font larger, hold the left Ctrl key down and right-click on the xterm window to bring up…
Read MoreTo get the command line of a process without the ps command, and the PID of the command is known, use this command. This example is using a process with a PID of 28633. ubuntu ~ $ cat /proc/28633/cmdline ; echo upstart-socket-bridge–daemonubuntu ~ $ cat /proc/28633/cmdline ; echo upstart-socket-bridge–daemon This…
Read MoreThe wikipedia2text command allows a command line user on Debian to output the contents of a Wikipedia article to a text file on your hard drive. Install this command this way: jason@darkstar:~/Documents$ sudo apt-get install wikipedia2textjason@darkstar:~/Documents$ sudo apt-get install wikipedia2text Then convert an article this way. jason@darkstar:~/Documents$ wikipedia2text Debian >…
Read MoreThere is a new package manager available for Windows 8.1, this allows the installation of Windows software with the Powershell command line. Windows PowerShell Copyright (C) 2014 Microsoft Corporation. All rights reserved. PS C:\WINDOWS\system32> Install-Package -name Chrome WARNING: Skipping package provider provider ‘NuGet’– missing required option ‘Destination’ The package ‘xChrome’…
Read MoreThe update-grub command will update the grub menu on Kali Linux. root@kali:~# update-grub Generating grub.cfg … Found background image: /usr/share/images/desktop-base/desktop-grub.png Found linux image: /boot/vmlinuz-3.12-kali1-amd64 Found initrd image: /boot/initrd.img-3.12-kali1-amd64 Found memtest86+ image: /boot/memtest86+.bin Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin No volume groups found doneroot@kali:~# update-grub Generating grub.cfg … Found background image: /usr/share/images/desktop-base/desktop-grub.png…
Read MoreThe boxes utility for Linux allows you to render an ascii text box around text. Below is an example. homer@homer-eME730 19:14:21 ~ $ echo `echo "This is a sentence printed to the terminal."` | boxes /***********************************************/ /* This is a sentence printed to the terminal. */ /***********************************************/homer@homer-eME730 19:14:21 ~ $…
Read MoreHow to unzip files into a specific directory on your system. Just type the unzip command like this: unzip [zipfile.zip] -d [directoryname] homer@deep-thought ~/Downloads $ unzip gzdoom-bin-1-8-02.zip -d myfolder/ Archive: gzdoom-bin-1-8-02.zip inflating: myfolder/fmodex.dll inflating: myfolder/gzdoom.exe inflating: myfolder/brightmaps.pk3 inflating: myfolder/gzdoom.pk3 inflating: myfolder/lights.pk3 inflating: myfolder/licenses.ziphomer@deep-thought ~/Downloads $ unzip gzdoom-bin-1-8-02.zip -d myfolder/ Archive:…
Read MoreTo change the username of an already created account on a UNIX or Linux system just follow this simple guide. I am changing the username mailman to mailman2. Firstly; open the /etc/shadow file with the VIM editor. homer@deep-thought ~ % sudo vim.tiny /etc/shadowhomer@deep-thought ~ % sudo vim.tiny /etc/shadow Then find…
Read MoreI recently installed a different kernel on Linux Mint 14 and my ATI drivers were not working. To fix this I had to install the kernel headers for the appropriate kernel that I was running. john@adeptus-mechanicus ~ $ sudo apt-get install linux-headers-3.5.0-25-lowlatencyjohn@adeptus-mechanicus ~ $ sudo apt-get install linux-headers-3.5.0-25-lowlatency Then I…
Read MoreTo install a Debian *.deb packages that you have downloaded, use this command. john@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.debjohn@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb This will install the Debian package. john@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb [sudo] password for john: Selecting previously unselected package rxvt. (Reading database…
Read MoreI have just installed KDE 4.9 in Linux Mint 14 the easy way. Just type sudo apt-get install kde-full to install all of the packages in one go. Since I have my dual desktop configuration laid out in my /etc/X11/xorg.conf file I had a properly working dual screen desktop as…
Read MoreThis is how to get the weather report for any American zip code with the Linux command-line. Type sudo apt-get install weather-util to install this utility on Linux Mint 14. In this example we are checking New York City. john@adeptus-mechanicus ~ $ weather 10001 Current conditions at New York City…
Read MoreIf you want to put line numbers in the output of a command; then feed it through the nl command. This will put the required line numbers there for you. [john@deusexmachina]:~/Desktop> ls -hula | nl 1 total 452K 2 drwxr-xr-x 3 john john 4.0K Nov 14 10:46 . 3 drwxr-xr-x…
Read MoreTo check the battery status of your Linux laptop; use the acpi command. This will display the status of your laptop battery. exempli gratia. [email protected] ~$ acpi Battery 0: Disharging, 40%, 00:48:32 [email protected] ~$ acpi Battery 0: Disharging, 40%, 00:48:32 remaining. This command also has many other options. This one…
Read MoreThis code sample shows how we are wrapping a printf() statement onto multiple lines using backslashes. #include "stdio.h" #define hello "Hello World." int main(int argc, char* argv[]) { printf("This is a very long sentence we are handing down\n"\ "Mr smith, do you have anything to say for yourself"\…
Read MoreViewing information about network connections and devices is easy with the netstat -a command. The -i parameter allows you to view the information about your network adapters, the transmitted and received packets and the number of transmitted and dropped packets. flynn@ubuntu:~$ netstat -i Kernel Interface table Iface MTU Met RX-OK…
Read MoreThere was a story on Slashdot regarding the Command Line Interface in modern operating systems. The Graphical User Interfaces in modern operating systems can perform some useful tasks, but I believe that the CLI still has it`s place. I always use the command-line when I am updating my Ubuntu and…
Read MoreUsing the text console in Linux Mint is very easy. Access it by pressing Ctrl-Alt-F1. Get back to Xorg by pressing Alt-F9. Some Linux distributions use the virtual terminal tty7 as the one reserved for Xorg, but this can vary. You may open many virtual consoles by pressing Alt-2, Alt-3,…
Read MoreThis is a sample C program showing how to define a function as well as accepting input from the command-line. Hopefully this is useful for someone who is writing a console application for Linux or UNIX. #include <stdio.h> #include <string.h> int main(int argc, char **argv) { char *name;…
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