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Network Configuration SYSTEM SERVICES INSTALLING, REMOVING, UPDATING $ ifconfig show network information su 'command' run command as root $ uname -r get kernel release # update refresh available updates $ iwconfig show wireless information su open a root shell $ uname -a get system information # aptitude install pqt install pkg # iwlist scan scan for wireless networks sudo -s open a root shell with user's preferences # service daemon start start daemon # aptitude safe-upgrade upgrade all packages # service networking restart restart NetworkManager su user open a shell as user # service daemon stop stop daemon # aptitude full-upgrade upgrade Debian version # ifup interface bring interface online passwd change your password # service daemon restart restart daemon # aptitude search pqt search package # ifdown interface disable interface $ service daemon status view daemon status # aptitude show pqt show information about package # editor /etc/network/interfaces config file of network chown user:group file change owner:group of file $ runlevel get current runlevel # aptitude remove pqt uninstall pkg interface chgrp group file change group of file # chkconfig --level 35 service on/off set service to run/ # aptitude purge pqt uninstall pkg and it's settings chmod MODE file change file permissions not run in runlevels 3,5 # aptitude hold pqt not update this package Firewall Configuration MODE: DISPLAY # aptitude clean clean download packages # service start/stop start or stop the firewall n1(user)n2(group)n3(others) Ctrl+Alt+Bksp restart X display if frozen # aptitude aptitude interface (ncurses) # iptables -L show current config 4(read)2(write)1(execute) Ctrl+Alt+FN switch to tty N # -i pqt.deb install file pkg.deb # iptables -a INPUT -j ACCEPT/REJECT allow or reject all e.g.: 755 read-write-execute Ctrl+Alt+F7 switch back to X display # dpkg -l list installed packages connections for owner, read-execute for # dexconf reset xorg.conf # editor /etc//sources.list APT repository list (file) # iptables -a INPUT --dport port -j ACCEPT/REJECT group and others. Recovery Type the phrase "REISUB" while holding down Alt allow or reject connection to port and SysR (PrintScrn) with about 1 second between each letter # iptables -F reset firewall config

See man command for more options See man command for more options See man command for more options See man command for more options NETWORK PERMISSIONS SYSTEM AND DISPLAY PACKAGE MANAGEMENT

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