kfei

# Resolve all dependencies for packages that are going to be installed
for pkg in "virt-top cifs-utils redhat-lsb"; do repoquery --requires --resolve --recursive $pkg | grep -vE "i686" > dep-for-$pkg.log

# For a .rpm file, resolving dependencies can be `rpm -qpR mediawiki-1.4rc1-4.i586.rpm`

# Remove duplicates
awk '!x[$0]++' `cat dep-for-$pkg.log` > all-deps.log

# Extract package name from .deb file name
awk -F ":" '{print $1}' all-deps.log | sed -e 's/-[[:digit:]]\+$//g' > deps.log

kfei

func main() {
    args := os.Args
    arg := make([](*_Ctype_char), 0)
    l := len(args)
    for i, _ := range args {
        char := C.CString(args[i])
        // defer C.free(unsafe.Pointer(char))
        strptr := (*_Ctype_char)(unsafe.Pointer(char))
        arg = append(arg, strptr)
    }

kfei

RUN buildDeps='gcc libc6-dev make'; \
    set -x \
    && apt-get update && apt-get install -y $buildDeps --no-install-recommends \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /usr/src/redis \
    && curl -sSL "$REDIS_DOWNLOAD_URL" -o redis.tar.gz \
    && echo "$REDIS_DOWNLOAD_SHA1 *redis.tar.gz" | sha1sum -c - \
    && tar -xzf redis.tar.gz -C /usr/src/redis --strip-components=1 \
    && rm redis.tar.gz \
    && make -C /usr/src/redis \

kfei

# burn your 4 cores
for i in 1 2 3 4; do while : ; do : ; done &  done

kfei

addrs bits pref   mask             

     1   0  /32    255.255.255.255
     2   1  /31    255.255.255.254
     4   2  /30    255.255.255.252
     8   3  /29    255.255.255.248
    16   4  /28    255.255.255.240
    32   5  /27    255.255.255.224
    64   6  /26    255.255.255.192
   128   7  /25    255.255.255.128

kfei

import multiprocessing

def thread_func(): 
    print "thread in"
    while True:
        pass

if __name__ == "__main__":
    t1 = multiprocessing.Process(target = thread_func)
    t1.start()

kfei

#!/usr/bin/env python

import sys
import threading
import Queue
import commands
import time


# thread class to run a command