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execve("/usr/bin/ping", ["ping", "gmail.com", "-4", "-c", "1", "-s", "102400"], 0x7ffec28e8e60 /* 15 vars */) = 0
brk(NULL) = 0x5637ec2d1000
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffd2a1bcd70) = -1 EINVAL (Invalid argument)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=215879, ...}) = 0
mmap(NULL, 215879, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f4929280000
close(3) = 0
openat(AT_FDCWD, "/usr/lib/libcap.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \0\0\0\0\0\0"..., 832) = 832
@icy
icy / mdns.log.txt
Created February 24, 2019 19:52
mdns.log.txt
Feb 25 02:48:26 dot.apple systemd[1]: mdns.service: Succeeded.
Feb 25 02:48:26 dot.apple systemd[1]: Stopped mdns.
Feb 25 02:50:21 dot.apple systemd[1]: Started mdns.
Feb 25 02:50:21 dot.apple ruby[16729]: 0.06s: Starting Async::DNS server (v1.2.1)...
Feb 25 02:50:21 dot.apple ruby[16729]: 0.06s: Async::IO::Socket
Feb 25 02:50:21 dot.apple ruby[16729]: : Binding to #<Addrinfo: 0.0.0.0:53 UDP>
Feb 25 02:50:21 dot.apple ruby[16729]: 0.06s: <> Listening for datagrams on #<Addrinfo: 0.0.0.0:53 UDP>
Feb 25 02:50:21 dot.apple ruby[16729]: 0.06s: Async::IO::Socket
Feb 25 02:50:21 dot.apple ruby[16729]: : Binding to #<Addrinfo: 0.0.0.0:53 TCP>
Feb 25 02:50:21 dot.apple ruby[16729]: 0.06s: <> Listening for connections on #<Addrinfo: 0.0.0.0:53 TCP>
@icy
icy / tcpdump-ping-with-use-vc-via-rubydns.sh
Created February 24, 2019 14:40
tcpdump-ping-with-use-vc-via-rubydns.sh
21:39:05.123134 IP 127.0.0.1.49344 > 127.0.0.1.53: Flags [S], seq 3062500101, win 65495, options [mss 65495,sackOK,TS val 3956240142 ecr 0,nop,wscale 7], length 0
21:39:05.123175 IP 127.0.0.1.53 > 127.0.0.1.49344: Flags [S.], seq 408266672, ack 3062500102, win 65483, options [mss 65495,sackOK,TS val 3956240142 ecr 3956240142,nop,wscale 7], length 0
21:39:05.123209 IP 127.0.0.1.49344 > 127.0.0.1.53: Flags [.], ack 1, win 512, options [nop,nop,TS val 3956240142 ecr 3956240142], length 0
21:39:05.123389 IP 127.0.0.1.49344 > 127.0.0.1.53: Flags [P.], seq 1:59, ack 1, win 512, options [nop,nop,TS val 3956240142 ecr 3956240142], length 5812101+ A? gmail.com. (56)
21:39:05.123405 IP 127.0.0.1.53 > 127.0.0.1.49344: Flags [.], ack 59, win 512, options [nop,nop,TS val 3956240142 ecr 3956240142], length 0
21:39:05.125013 IP 127.0.0.1.53 > 127.0.0.1.49344: Flags [P.], seq 1:3, ack 59, win 512, options [nop,nop,TS val 3956240143 ecr 3956240142], length 2
21:39:05.125026 IP 127.0.0.1.49344 > 127.0.0.1.53: Flags [.], ack 3
@icy
icy / tcpdump-ping-with-use-vc-via-public-dns.sh
Created February 24, 2019 14:14
tcpdump-ping-with-use-vc-via-public-dns.sh
21:13:43.089366 IP 192.168.5.11.50528 > 1.1.1.1.53: Flags [S], seq 1515427657, win 64240, options [mss 1460,sackOK,TS val 796457230 ecr 0,nop,wscale 7], length 0
21:13:43.117419 IP 1.1.1.1.53 > 192.168.5.11.50528: Flags [S.], seq 1559539413, ack 1515427658, win 29200, options [mss 1412,nop,nop,sackOK,nop,wscale 10], length 0
21:13:43.117534 IP 192.168.5.11.50528 > 1.1.1.1.53: Flags [.], ack 1, win 502, length 0
21:13:43.117623 IP 192.168.5.11.50528 > 1.1.1.1.53: Flags [P.], seq 1:59, ack 1, win 502, length 5827063+ A? gmail.com. (56)
21:13:43.144576 IP 1.1.1.1.53 > 192.168.5.11.50528: Flags [.], ack 59, win 29, length 0
21:13:43.145759 IP 1.1.1.1.53 > 192.168.5.11.50528: Flags [P.], seq 1:46, ack 59, win 29, length 4527063 1/0/0 A 172.217.22.5 (43)
@icy
icy / tcpdump-curl-with-use-vc.sh
Created February 24, 2019 13:41
tcpdump-curl-with-use-vc.sh
20:40:12.709413 IP 127.0.0.1.41930 > 127.0.0.1.53: Flags [S], seq 1193823116, win 65495, options [mss 65495,sackOK,TS val 3952707728 ecr 0,nop,wscale 7], length 0
20:40:12.709432 IP 127.0.0.1.53 > 127.0.0.1.41930: Flags [S.], seq 1778655581, ack 1193823117, win 65483, options [mss 65495,sackOK,TS val 3952707728 ecr 3952707728,nop,wscale 7], length 0
20:40:12.709447 IP 127.0.0.1.41930 > 127.0.0.1.53: Flags [.], ack 1, win 512, options [nop,nop,TS val 3952707728 ecr 3952707728], length 0
20:40:12.709475 IP 127.0.0.1.41930 > 127.0.0.1.53: Flags [P.], seq 1:59, ack 1, win 512, options [nop,nop,TS val 3952707728 ecr 3952707728], length 588659+ A? dantri.vn. (56)
20:40:12.709629 IP 127.0.0.1.53 > 127.0.0.1.41930: Flags [P.], seq 1:57, ack 59, win 512, options [nop,nop,TS val 3952707728 ecr 3952707728], length 568659 1/0/1 A 42.113.206.28 (54)
20:40:12.709643 IP 127.0.0.1.41930 > 127.0.0.1.53: Flags [.], ack 57, win 512, options [nop,nop,TS val 3952707728 ecr 3952707728], length 0
20:40:12.709705 IP 127.0.0.1.53 > 1
@icy
icy / strace-ping-with-with-vc.sh
Created February 24, 2019 13:29
strace-ping-with-with-vc.sh
execve("/usr/bin/ping", ["ping", "gmail.com", "-c", "1"], 0x7ffc22ba7de8 /* 15 vars */) = 0
brk(NULL) = 0x561837afb000
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffd5346be90) = -1 EINVAL (Invalid argument)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=214945, ...}) = 0
mmap(NULL, 214945, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7ff25382c000
close(3) = 0
openat(AT_FDCWD, "/usr/lib/libcap.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \0\0\0\0\0\0@\0\0\0\0\0\0\08R\0\0\0\0\0\0\0\0\0\0@\08\0\t\0@\0\26\0\25\0\1\0\0\0\4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\260\24\0\0\0\0\0\0\260\24\0\0\0\0\0\0\0\20\0\0\0\0\0\0\1\0\0\0\5\0\0\0\0 \0\0\0\0\0\0\0 \0\0\0\0\0\0\0 \0\0\0\0\0\0\265\32\0\0\0\0\0\0\265\32\0\0\0\0\0\0\0\20\0\0\0\0\0\0\1\0\0\0\4\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\
@icy
icy / dzjq.sh
Created January 31, 2019 18:23
dzjq.sh
$ echo '{"_id":{"$oid":"5c26242059790f3fa718c414"},"fanpage":"649637471804259","uid":"100006074532854"}' \
| ./output/dzjq echo .uid '>>' output/ .fanpage | sed -e 's|output/ |output/|'
echo 100006074532854 >> output/649637471804259
@icy
icy / Jenkinsfile.groovy
Created October 2, 2018 06:38
Jenkinsfile.groovy
#!/usr/bin/env groovy
// Purpose: A Sample Jenkinsfile.groovy
// Author : Ky-Anh Huynh
// License: MIT
@Library("libs@default_branch")
def slack = new org.gfg.Slack()
@icy
icy / split.rb
Last active October 2, 2018 06:39
split.rb
#!/usr/bin/env ruby
# Author : Ky-Anh Huynh
# Date : Sep 2018
# License: MIT
# Purpose: Providing N-lines from STDIN, this script creates N/P files,
# Purpose: each file contains P files from the input.
BEGIN {
@icy
icy / VanCao-Langtoi.ly
Last active August 27, 2018 02:19
VanCao-Langtoi.ly
% Draft version
% The latest version is available at https://github.com/icy/muzik
\version "2.18.2"
\header {
title = "Làng tôi"
composer = "Văn Cao"
tagline = "Lilypond source prepared by Ky-Anh Huynh on 2018.08. License: CC BY-SA 3.0"
}