sudo !!
echo !! > new_script.sh
!! | grep Linux!lsls !^ # first arg of prev cmd
ls !$ # last arg of prev cmd
ls !* # all args of prev cmd
ls !ls:2 # second arg of prev ls cmd!2039 ls ~/eagle
sudo apt-get install libgnome-keyring-dev
cd /usr/share/doc/git/contrib/credential/gnome-keyring
sudo make
git config --global credential.helper /usr/share/doc/git/contrib/credential/gnome-keyring/git-credential-gnome-keyringpip install pyopenssl==0.12.0cat /sys/block/sda/queue/scheduler
echo noop > /sys/block/sda/queue/schedulerGRUB_CMDLINE_LINUX_DEFAULT="quiet splash"GRUB_CMDLINE_LINUX_DEFAULT="quiet splash elevator=noop"sudo update-grub2
nasm -f elf hello.asm
ld -m elf_i386 hello.o -o hello
./hello%include "stud_io.inc"
global _start
section .data
string resb 20
count resw 256
x resd 1
fibon dw 1, 1, 2, 3, 5, 8, 13, 21
msg db "Hello World"
section .bss
set512 resd 16
section .text
_start: mov eax, 0
mov eax, ebx
mov eax, [count] ; значение count в eax
mov eax, count ; адрес count в eax
mov eax, [ebx] ; из ячейки памяти с адресом ebx
; Арифметика
add edx, 12
sub [x], ecx
inc eax
dec eax
; Безусловные переходы
jmp some_label
jmp eax
jmp [eax]
jmp short some_label
; Условные переходы
some_label: cmp eax, 5
je equal_label
jl less_label
jng not_greater_label
jnz some_label
; Циклы
mov ecx, 100
mov esi, array
mov eax, 0
lp: add eax, [esi]
add esi, 4
loop lp
; Побитовые xor, or, and
xor eax, eax
; Операции сдвига shr (shift right), shl (shift left)
shr edx, 5
Стек используется при вызовах подпрограмм для хранения адресов возврата, для передачи фактических параметров в подпрограммы и для хранения локальных переменных push eax
pop eax
pushad ; push all doublewords
popad ; для всех регистров: EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI
pushfd ; для регистра флагов EFLAGS
popfd; fill memory (edi=address, ecx=length, al=value)
fill_memory:
jecxz fm_q
fm_lp: mov [edi], al
inc edi
loop fm_lp
fm_q: ret
; Использование
mov edi, my_array
mov ecx, 256
mov al, '@'
call fill_memory
push ebp
mov ebp, esp
mov esp, 16 ; 16 - объем памяти под локальные переменные
; после подпрограммы
mov esp, ebp
pop ebp
ret
%macro pcall1 2 ; 2 кол-во параметров
push %2
call %1
add esp, 4
%endmacro
; вызов
pcall1 proc, eax
%define arg1 ebp+8
; вызов
mov eax, [arg1]
%ifdef DEBUG_PRINT
PRINT "Entering"
%endifnasm -f elf -dDEBUG_PRINT hello.asm
int 80h ; Прерывание./configure && make && su -c "make install"cd <RABBIT_PATH>/sbin
rabbitmq-plugins enable rabbitmq_management
rabbitmqctl add_user <RABBIT_USER> <RABBIT_PASS>
rabbitmqctl add_vhost /<RABBIT_VHOST>
rabbitmqctl set_permissions -p /<RABBIT_VHOST> <RABBIT_USER> ".*" ".*" ".*"
rabbitmqctl set_user_tags <RABBIT_USER> administrator
./rabbitmq-server
pwdx <PID>lsof -p <PID> | grep cwdreadlink -e /proc/<PID>/cwd$ TZ=KST-9 date
# Thu Oct 3 15:51:21 KST 2013
$ date
# Thu Oct 3 09:51:23 FET 2013$ ls /usr/share/zoneinfo
Africa Asia Canada
.....
$ ls /usr/share/zoneinfo/Europe
Amsterdam Belgrade Bucharest Copenhagen Helsinki
.....$ cat /etc/timezone
Europe/Minskpython -c "import pytz;print pytz.all_timezones"
['Africa/Abidjan', 'Africa/Accra', 'Africa/Addis_Ababa', 'Africa/Algiers',
.....import datetime, pytz
korea_tz = pytz.timezone('Asia/Seoul')
korea_time = korea_tz.localize(datetime.datetime(2013, 10, 2, 14, 0))
# datetime.datetime(2013, 10, 2, 14, 0, tzinfo=<DstTzInfo 'Asia/Seoul' KST+9:00:00 STD>)
local_time = korea_time.astimezone(pytz.timezone('Europe/Minsk'))
# datetime.datetime(2013, 10, 2, 8, 0, tzinfo=<DstTzInfo 'Europe/Minsk' FET+3:00:00 STD>)sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python2.4 python2.4-devsudo apt-get install powertop
sudo powertop
sudo apt-get install terminator
gsettings set org.gnome.desktop.default-applications.terminal exec terminatorwhile [ -d /proc/ ]; do sleep 1; done; echo "Process finished at $(date +"%F %T")." #!/bin/bash
if [ ! -d /proc/$1 ]; then
echo "Process $1 doesn't exist."
exit 1
fi
while [ -d /proc/$1 ]; do
sleep 1
done
echo "Process $1 finished at $(date +"%F %T")."svn di --git --no-diff-deleted -x -p | pygmentize -l diff -f html -O full,style=emacs > /tmp/patch.html# SIMPLE RATIO
fuzz.ratio("this is a test", "this is a test!")
# 96
# PARTIAL RATIO
fuzz.partial_ratio("this is a test", "this is a test!")
# 100
# TOKEN SORT RATIO
fuzz.ratio("fuzzy wuzzy was a bear", "wuzzy fuzzy was a bear")
# 90
fuzz.token_sort_ratio("fuzzy wuzzy was a bear", "wuzzy fuzzy was a bear")
# 100
# TOKEN SET RATIO
fuzz.token_sort_ratio("fuzzy was a bear", "fuzzy fuzzy was a bear")
# 84
fuzz.token_set_ratio("fuzzy was a bear", "fuzzy fuzzy was a bear")
# 100
# PROCESS
choices = ["Atlanta Falcons", "New York Jets", "New York Giants", "Dallas Cowboys"]
process.extract("new york jets", choices, limit=2)
# [('New York Jets', 100), ('New York Giants', 78)]
process.extractOne("cowboys", choices)
# ("Dallas Cowboys", 90)sudo rabbitmq-plugins enable rabbitmq_management
sudo rabbitmq-plugins list
sudo /etc/init.d/rabbitmq-server restart
{ command1 & command2 & } &( command1 & command2 ) &
cat >> ~/.ssh/config << "EOF"
Host vagrant
HostName localhost
User vagrant
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null
IdentityFile ~/.vagrant.d/insecure_private_key
Port 2222
EOF
ssh vagrant
& | && || (cd interior && pwd) && pwd autocd C+A+F7
> file1 2>&1 &> cat>file2 tee cat <<- EOF
apropos alias
kill -1 apache2 pstree vmstat 5
dpkg -s solr-common dpkg -S solr
lftp scp sftp ftp <<- EOF
cat -A foo.txt sort -k 3.7nbr -k 3.1nbr -k 3.4nbr distros.txt
cut paste join
nl fold pr
{ ls -l; cat f.txt; } > o.txt
read < <(echo "foo") trap async-child & mkfifo pipe1cat >> sysctl.conf << "EOF"
vm.swappiness=1
vm.vfs_cache_pressure=50
EOF
sudo cp sysctl.conf /etc/noatime,discardnmap -O -sV 192.168.10.*
#...
#Nmap scan report for 192.168.10.100
#Host is up (0.074s latency).
#Nmap scan report for 192.168.10.102
#Host is up (0.0015s latency).
#Nmap scan report for 192.168.10.104
#Host is up (0.11s latency).
#...sudo nmap -O -sV 192.168.10.20
#Starting Nmap 6.00 ( http://nmap.org ) at 2013-01-15 10:29 FET
#Nmap scan report for 192.168.10.20
#Host is up (0.00032s latency).
#Not shown: 980 closed ports
#PORT STATE SERVICE VERSION
#80/tcp open http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
#89/tcp open http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
#135/tcp open msrpc Microsoft Windows RPC
#139/tcp open netbios-ssn
#443/tcp open skype2 Skype
#445/tcp open netbios-ssn
#912/tcp open vmware-auth VMware Authentication Daemon 1.0 (Uses VNC, SOAP)
#1025/tcp open msrpc Microsoft Windows RPC
#1026/tcp open msrpc Microsoft Windows RPC
#1027/tcp open msrpc Microsoft Windows RPC
#1028/tcp open msrpc Microsoft Windows RPC
#1062/tcp open msrpc Microsoft Windows RPC
#1104/tcp open memcache memcached
#1192/tcp open msrpc Microsoft Windows RPC
#1248/tcp open msrpc Microsoft Windows RPC
#1433/tcp open ms-sql-s Microsoft SQL Server 2008 R2 10.50.2500; SP1
#2003/tcp open http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
#3389/tcp open ms-wbt-server?
#8009/tcp open ajp13 Apache Jserv (Protocol v1.3)
#8181/tcp open http Apache Tomcat/Coyote JSP engine 1.1
#MAC Address: 1C:6F:65:8C:34:B3 (Giga-byte Technology Co.)
#Device type: general purpose
#Running: Microsoft Windows 7|2008
#OS CPE: cpe:/o:microsoft:windows_7 cpe:/o:microsoft:windows_server_2008::sp1
#OS details: Microsoft Windows 7 or Windows Server 2008 SP1
#Network Distance: 1 hop
#Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows
#
#OS and Service detection performed. Please report any incorrect results at #http://nmap.org/submit/ .
#Nmap done: 1 IP address (1 host up) scanned in 101.33 secondsman printf
# search:
man -k printf
apropos printf
# library functions section 3:
man 3 printfgcc -I/usr/local/include use_useful.c -o use_useful -L/usr/local/lib -lusefulpkg-config --libs gsl libxml-2.0
# -lgsl -lgslcblas -lm -lxml2
pkg-config --cflags gsl libxml-2.0
# -I/usr/include/libxml2
gcc `pkg-config --cflags --libs gsl libxml-2.0` -o specific specific.c
# gcc -I/usr/include/libxml2 -lgsl -lgslcblas -lm -lxml2 -o specific specific.cexport LD_LIBRARY_PATH=libpath:$LD_LIBRARY_PATH
# or
LDADD=-Llibpath -Wl,-Rlibpathmake -p > default_rules
# POSIX-standard make has a specific recipe for compiling a .o object file from a .c source code file:
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $*.cP=program_name
OBJECTS=
CFLAGS = -g -Wall -O3
LDLIBS=
CC=c99
$(P): $(OBJECTS)html:
latex -interaction batchmode $(f)
latex2html $(f).texf=tip make#include <math.h>
#include <time.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <gsl/gsl_rng.h>go_libs="-lm"
go_flags="-g -Wall -include allheads.h -O3"
alias go_c="c99 -xc '-' $go_libs $go_flags"go_c << '---'
int main(){printf("Hello from the command line.\n");}
---
# and then run:
./a.outpython -c "print 'hi.'"
# or
echo "print 'hi.'" | python '-'
# equal to
echo "print 'hi.'" | python -- -python '-' <<"EOF"
lines=2
print "\nThis script is %i lines long.\n" %(lines,)
EOFcurl https://app01.nutshell.com/api/v1/json | python -m json.toolpyjamas/bin/pyjscompile -o output.js source.pyecho $?man strstr
info coreutils 'printf'(./bermuda | ./geo2json) < spooky.csv > output.jsonextern int passcode;nm /usr/lib/libruby1.8-static.a> make fred
cc fred.c -o fred
…
from django.views.decorators.debug import sensitive_post_parameters
@sensitive_post_parameters("password")
def login_view(request):
…POST:<QueryDict: {u'csrfmiddlewaretoken': [u'F3d71EHWECfavaeK4H7nUTzLwgY07AHT'],
u'password': [u'********************'],
u'email': [u'aruseni.magiku@gmail.com']}>
…
from django.views.decorators.debug import sensitive_variables
@sensitive_variables("payment_card_id")
def process_payment(request):
…console.dir(obj);
console.time("t1")
....
console.timeEnd("t1")
console.profile("p1")
...
console.profileEnd("p1")
console.trace()
console.count("my_fun_count")
