TCPDUMP . PRINT LESS PROTOCOL INFORMATION . OUTPUT LINES SHORTER

$sudo /usr/sbin/tcpdump -q tcpdump: WARNING: eth0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 100535 bytes ^C 0 packets captured 0 packets received by filter 0 packets dropped by kernel $sudo /usr/sbin/tcpdump -q -i wlan0 tcpdump: verbose output suppressed, …

UPGRADE A PACKAGE AND IT'S DEPENDENCIES USING APT-GET

root@debian:~# apt-get install $(apt-cache depends gnome-session | grep Depends | sed “s/.*ends: //” | tr ‘n’ ‘ ‘) Reading package lists… Done Building dependency tree Reading state information… Done gnome-session-bin is already the newest version. gnome-session-bin set to manually installed. gnome-session-common is already the newest version. gnome-session-common set to manually installed. The following extra packages …

GDB BACKTRACE GOOGLE CHROME SEGFAULT

$gdb /opt/google/chrome/google-chrome core GNU gdb (GDB) 7.4.1-debian Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type “show copying” and “show warranty” for details. This GDB was …

what is tcp_retrans_collapse – BOOLEAN ?

ABOUT tcp_retrans_collapse This variable implements a bug in the TCP protocol so it will be able to talk to certain other buggy TCP stacks. Without implementing this bug in the TCP stack, we would be unable to talk to certain printers that has this bug built in. This bug makes the TCP stack try to …