Linux Commands

2007-08-10T06:09:00.000-07:00

(Apt) Package management commands

sudo vi /etc/apt/sources.list (loads the list of synaptic sources in vi)
sudo apt-get install wireless-tools (installs wireless-tools)
sudo apt-get update (updates packages from synaptic sources)
sudo apt-cache java | grep sun (searches through the apt cache for java grep sun)
sudo apt-get install sun-java5-jdk (installs the java 5 package from apt)
dpkg --list (displays a list of installed packages)
dpkg -l (displays a list of all installed packages)
dpkg -S 'name' (find the package containing the executable name provided)

File permissions

Finding files

locate (searches index for file name)
grep -r 'text_pattern' * (Recursive search of all file contents under the current directory for the text_pattern)
find . -type f -iname \*.js (finds a type file with a name like *.js (the backslash is escaped)
find . -type f -iname \*.fileext -exec grep -nH text_pattern '{}' \;
find . -type f -exec grep -nH 'search_string' '{}' \; (Look for a file containing the search string)
find -type f -name entries -exec sed -e 's/130\.109\.180\.26/subversion/g' '{}' \; (not sure what the intent)

Mount Windows share as bob and follow the last 100 lines of the log

Commands to build/compile from source (TAR):

Linux partition map

Miscellaneous

env (prints all environment variables)
tcpdump (??? Research Please)
mkdosfs -F 32 -v groveusb /media/usbdisk (formats the disk in FAT32 with a volume label as groveusb)
none /proc/bus/usb usbfs devgid=1003,devmode=666 0 0 (entry in fstab for usb devices in virtualbox)
ifrename (deprecated in favor of udev)
od -tc 1.dat
/etc/init.d/vmware start (start vmware daemon)
less /etc/modprobe.d/blacklist (prints a list of blacklisted modules Ex. eth1394)
mkdir -p /data/projects/project1 (creates each directory recursively)
/sbin/ifconfig eth0 address netmask up
uname -a (displays the kernel version information)
lspci (displays a list of devices)
lsmod (displays a list of loaded modules)
sudo /etc/initd/gdm restart (restarts the x windows)
ps -fade (displays a list of processes)
df -h (filesys.info '-h' specifies human readable)
sudo vim /etc/X11/xorg.conf (loads the x windows configuration in vim)
lsof (Returns a list of previously opened files)
ctrl+alt+backspace (restarts X)
xfontsel (provides a gui for selecting xfont)
xev (runs an input listener for keyboard and mouse)
xmodmap -pk (lists the current key mapping)
sudo tail -f /var/log/messages (follows the contents of system messages)
sudo tail -n 100 /var/log/messages (displays a list of the last 100 lines of messages)
dmesg > boot.messages (sends result of dmesg to file)

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