Linux

Fedora 9

• Installing VMware tools

Fedora 7

• Fedora FAQ
• su - change to super user

Add user to sudo list:

• echo 'loginname ALL=(ALL) ALL' >> /etc/sudoers Where 'loginname' is your user account. Use 'ALL=(ALL) NOPASSWD:ALL' if you don't want to require a password

Add user to existing group (precede with su -):

• usermod -G {groupname} {username}
• sudo chown -R new_owner:new_group folder Recursively change owner and group of folder
• init [number] set runmode number (5=graphical, 3=text, 1=single user)
• [ctl][alt][F1] switch to text mode
• [ctl][alt][F7] switch to graphical mode

KDE

• startkde start KDE (from ssh)
• Added xset r off to .bashrc hopefully fixing annoying problem with unwanted repeating characters when using VNC based on this conversation.
• Attempted to set up remote desktop sharing through ssh, so far not really working:

% krfb

% vncviewer localhost:5900

-Added XTEST(X11R6) to Exceed Xconfig under X Server Protocol, Extensions Tab

CygWin

• Installing minicom on cygwin:

1. Add folder: /var/lock
2. Move file minirc.dfl to /usr/local/etc
3. Fix serial port /dev/ttyS1 -> /dev/com1 ???

Unix/Linux

• Basic unix commands
• Basic unix commands
• IO-Redirection shell commands
• Linux command reference
• Emacs manual
• Vi manual
• Gawk manual
• GNU awk manual
• GNU manuals from University of Utah

Scripting

• > Bash commands reference
• > Advanced Bash scripting guide
• > Handling strings

Command Line

• Common Linux commands
• Common Linux commands
• history
• count lines of code in a directory http://vision-media.ca/resources/unix/counting-lines-in-a-script

find . -type f | xargs wc -l

find . -type f -name '*.c' | xargs wc -l specific file type

• mount -o loop disk1.iso [/directory] Mount an .iso file
• To get information on the server/computer:

cat /proc/cpuinfo

cat /proc/meminfo

dmesg

lspci (list pci devices)

df (hard drive information)

• ifconfig network/ip information | /sbin/ifconfig if not root
• sysctl kernel.hostname=NEW_HOSTNAME to permanantly change hostname
• service network restart restart network services
• find . -name "rc.conf" -print
• xhost +[server name, i.e. vlsi] (give permission to remote server to use local display)
• setenv DISPLAY=###.###.###.###:0.0 (set DISPLAY variable to local ip address)
• cat /var/log/messages |grep *** (Search system messages for specific word)
• service xinetd restart (Restart xinetd server)
• rpm -ivh foo-1.0-1.i386.rpm (Add a package with rpm)
• rpm -e foo (Remove a package with rpm)
• ps (processes)
• top (processes dynamic list)
• strace ./ldecod.exe -e trace=gmon.out Debugging: print system calls made by ldecod.exe during execution
• bzip2 -cd files.tar.bz2 | tar xvf - Bzip
• tar -cf ouput.tar folder Tar a folder
• tar -czvf output.tar.gz folder Tar and gzip a folder
• tar -xzvf input.tar.gz Untar and unzip a tar-ball
• md5sum [filename] Generate md5 hash of [filename]
• ar -s or ranlib add index to archive (.a) file

Software

• yay: yet another YUV viewer

%yay [-s <with>x<height>] <filename>.yuv

• mpeg4ip tools: toolbox for mp4, avi, mov, etc. (!!! Could only find executables for Windows !!!)

%mp4info.exe [file.mp4]

%mp4creator -extract=1 file.avi file.264 (extract track number based on info given by mp4info.exe

• gprof: gnu profiling software

%gprof [executable] gmon.out > [gprof.out]

gmon.out is generated by compiling target executable with -pg as a compiler and linker flag, then running the resulting executable normally

• cgprof: generate call-graph based on gprof data

cgprof -T ps -g [gprof.out] [gprof.ps] (output postscript file)

• Converting postscript to other format.

-Use Windows GhostScript->convert to generate a .tif (600dpi) or .pdf (720dpi) or one of several other formats

-For poster size images generate .pdf with GhostScript and open with PaintShop Pro using high dpi value, then save as .tif or other file and print with MS Publisher as poster

• links text based browser

Drivers

• Short tutorial on writing drivers in linux

Utilities

Mail

Virtual Network Computing (VNC) Server

• VNC on Wikipedia
• TightVNC information
• vncserver :1 -geometry 1880x1160
• vncviewer localhost:# over ssh
• /etc/sysconfig/vncservers
• /sbin/service vncserver restart
• vncserver -kill :1

Bootloader

• Grub tips and tricks (USB installation)

USBNET (USBDNET)

• usbnet driver information (linux-usb.org)

-BLOB requires cdc_subset module (# modprobe cdc_subset)

• gadget driver information (linux-usb.org)
• remove linux 2.6 usb 2.0 driver? modprobe -r ehci-hcd

-apparently uhci-hcd is the usb 1.0 driver from linux 2.4

• Setting up usbnet (Fedora Core 4)
• usbnet for Windows

SCP

• How to set up public/private key to perform file transfers without providing password every time
• Information on ssh-agent for public key authentication

TFTP

• Installing tftp on Fedora 6
• tftp instructions

Compilers

• Cross compiler for Arm information
• How to build arm-linux toolchain for ARM/XSCALE

Make

• Make manual
• Various Make statements
• Advanced Makefile reference

Fedora Red Hat Enterprise Linux (RHEL)

• Create bootable USB drive using Fedora script
• Installing tftp on Fedora
• Fedora Core 1 Repository
• Using rpm