commandline session (gdb) bt #0 0x00007fd461dbeac3 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007fd46643f4d4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fd46643f5f4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd468940c00 in ?? () #4 0x00007fd468918832 in ?? () #5 0x00007fd4686349ff in ?? () #6 0x00007fd46a2e8811 in ?? () #7 0x00007fd46a2ea31d in ?? () #8 …
Author Archives: jeffrin
pstree command in linux I
Commandline Session $pstree -pA init(1)-+-/usr/sbin/apach(2306)-+-/usr/sbin/apach(4451) | |-/usr/sbin/apach(4452) | |-/usr/sbin/apach(4453) | |-/usr/sbin/apach(4454) | `-/usr/sbin/apach(4455) |-NetworkManager(2145)-+-dhclient(4539) | |-{NetworkManager}(2196) | `-{NetworkManager}(4540) |-accounts-daemon(2233)—{accounts-daemon}(2235) |-at-spi-bus-laun(3756)-+-dbus-daemon(3761) | |-{at-spi-bus-laun}(3758) | |-{at-spi-bus-laun}(3760) | `-{at-spi-bus-laun}(3762) |-at-spi2-registr(3764)—{at-spi2-registr}(37100) |-atd(2334) |-atop(2361) |-avahi-daemon(2372)—avahi-daemon(2373) |-bluetoothd(2399) |-colord(3919)—{colord}(3928) |-colord-sane(3931)-+-{colord-sane}(3935) | `-{colord-sane}(4015) |-console-kit-dae(2237)-+-{console-kit-dae}(2238) | |-{console-kit-dae}(2239) | |-{console-kit-dae}(2240) | |-{console-kit-dae}(2241) | |-{console-kit-dae}(2242) | |-{console-kit-dae}(2243) | |-{console-kit-dae}(2244) | |-{console-kit-dae}(2245) | |-{console-kit-dae}(2246) | |-{console-kit-dae}(2247) | …
Array in PHP – Hypertext Preprocessor
$ 4.1.5 20 84—> cat phparray.php $ 4.1.5 21 85—> php phparray.php Welcome PHP C C++ Java Perl Python Ruby $ 4.1.5 22 86—>
regular expression — PHP
commandline session <?php $text = “Hello World”; if ( preg_match( “/r.*?d/”, $text, $array ) ) { print “<pre>n”; print_r( $array ); print “</pre>n”; } ?> note: preg_match — Perform a regular expression match source : www.phpcode.net OUTPUT $ 4.2.36 13 513—> php rep.php PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/lib/php5/20100525/suhosin.so’ – /usr/lib/php5/20100525/suhosin.so: …
Examining /etc/passwd file in Typical Unix-like OS
ABOUT /etc/passwd file The /etc/passwd file is a text-based database of information about users that may log into the system or other operating system user identities that own running processes. In many operating systems this file is just one of many possible back-ends for the more general passwd name service. The file’s name originates from …
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GREP SEARCH STRING USING BACKTICK
$ 4.2.36 7 507—> grep `whoami` algorithm.c to jeffrin@rocketmail.com $ 4.2.36 8 508—> $ 4.2.36 8 508—> whoami jeffrin $ 4.2.36 9 509—> $ 4.2.36 3 503—> grep ls ls2.wav Binary file ls2.wav matches $ 4.2.36 4 504—> grep `ls` ls2.wav grep: 12: Is a directory grep: 2008: Is a directory grep: 2010: Is a …
XARGS and CD command
$ 4.2.36 45 545—> ls shelter symmel $ 4.2.36 46 546—> ls shelter | xargs sh -c ‘cd’ $ 4.2.36 47 547—> ls shelter | xargs du -h du: cannot access `symmel’: No such file or directory $ 4.2.36 48 548—> ls shelter | xargs sh -c ‘cd’| pwd /home/jeffrin $ 4.2.36 49 549—>
SEARCH AND REPLACE USING SED
commandline session $ 4.2.36 13 513—> cat math.html <html> <body> <msup> <mfenced> <mi>a</mi> <mo>+</mo> <mi>b</mi> </mfenced> <mn>2</mn> </msup> </body> </html> $ 4.2.36 14 514—> $ sed “s/html/HTML/g” math.html > math-new.html bash: $: command not found $ 4.2.36 15 515—> sed “s/html/HTML/g” math.html > math-new.html $ 4.2.36 16 516—> cat math-new.html <HTML> <body> <msup> <mfenced> <mi>a</mi> …
KNOWLEDGE ENGINEERING WITH SOFTWARE
BEAUTIFULWORK is a effort to BEAUTIFUL GRAPHS WITH KNOWLEDGE PARAMETERS
DOCUMENTATION
BEAUTIFULWORK is like a blog and has different methods of expression of knowledge. THERE ARE LEARNING STYLES EARLY BIRD Here you can see a GNU/Linux or related command in an overall round up which touches the possibility for the command in different levels. COCOA