Some very useful Linux shell commands and tricks. Print numbers in sequence. [homer@localhost ~]$ seq 8 24 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24[homer@localhost ~]$ seq 8 24 8 9 10 11 12 13 14 15 16 17 18 19…
Read MoreThis Linux command will copy the text file given, “myfile.txt” and send it to the sprunge.us website. This allows you to share a text file with others without too much fuss. curl -F ‘sprunge=<myfile.txt’ http://sprunge.uscurl -F ‘sprunge=<myfile.txt’ http://sprunge.us You may also install the PastebinCL utility on Fedora 19, this allows…
Read MoreHow to expand a VDI disk image on a Macintosh computer: http://mithunme.wordpress.com/2013/07/08/how-to-increase-the-disk-size-of-a-ubuntu-vdi-on-mac/. This would also be applicable to a Linux machine. A very useful tip. How to add a standard user to the /etc/sudoers file on a Macintosh computer: http://mithunme.wordpress.com/2013/02/10/adding-a-standard-user-to-etcsudoers-in-mac-os-x/. This is also applicable to a Linux machine. How to…
Read MoreHow to take a screenshot on Macintosh OSX: http://guides.macrumors.com/Taking_Screenshots_in_Mac_OS_X. To delete your Internet history quickly in Firefox; use the Ctrl-Shift-Del keyboard combination. You will be presented with a dialog that allows you to select the time period to erase. Watch the original Star Wars movie in ASCII with this awesome…
Read MoreThis command shows how to display a listing of files with ls and show line numbers at the same time. homer@deep-thought ~/Desktop/Site % ls | nl 1 back.jpg 2 bejiitas_phpb1 3 bejiitas_phpb1.sql 4 cgi-bin 5 Files.tar.lzma 6 Map07Tufb.zip 7 my2.tar.lzma 8 program.c 9 quake38.jpg 10 sysinfo 11 tekcrazy_2.zip 12 wrap.rarhomer@deep-thought…
Read MoreVery useful Linux commands for administering your system and managing user accounts. Some very useful Linux know-how.
Read MoreThe zsh shell is a nice alternative to the bash shell when you are using Linux and want a nice command shell for your day-to-day use. Below is my ~/.zshrc files that I am using now. Type sudo apt-get install zsh to install this in Ubuntu. If you want to…
Read MoreTo get simple information about a Linux command, or to refresh your memory, use the info pages to learn more about the commands. Type info ls for example to get information about the ls command. Type help and then a bash scripting command like ‘echo’, and the help will be…
Read MoreTo remove icons from the Launcher panel on the left right-click on the icon and click the Unlock from Launcher option to remove the application icon. Once you have found an application that you want to add to the Launcher by searching with the dash just drag the icon on…
Read MoreA very obfuscated C program. typedef unsigned char t;t*F="%c",l[]="|\\/=_ \n](.\0(),*(.(=(}*.)[[*.",N=’\n’,* r;typedef(*H)();extern H Ar;Q(a){return(a|-a)>>31;}H S(c,a){return(H)(a&~c|(int )Ar&c);}extern t*ist;V(t*u){*u^=*u&2^(*u>>7)*185;}Z(t*u,t n){*u-=n;}e(t c,H h){ R(h,Q(* r^c));} I(){r=l +7-4*Q( getchar ()^*l); }R(H h, int c){Ar=S (c,h);- main() ;}P(){r ++;}z() { O(&N);} O(t*c){ printf( F,+*c); }T(){r= "This is not a function\n" ;}w(U){ U=Z(r,8 ); r-=~Q(* r/8-4); return…
Read MoreThe Linux file-system tree explained. The standard Linux installation is laid out in various folders that each have a different role to play in the smooth running of a Linux distribution. |-/ |-/bin |-/boot |-/dev |-/etc |-/home/username |-/lib |-/lost+found |-/mnt |-/proc |-/root |-/sbin |-/tmp |-/usr |-/usr/local |-/var|-/ |-/bin |-/boot |-/dev…
Read MoreUncompressing rar files.Adding all files in current folder to a zip file.Mounting an improperly shut down Windows XP installation with Knoppix 6.4 Linux.Reading just the start or ending of a file.Some useful bash aliases. Apt errors. To deal with the message you get sometimes telling you that some packages have…
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