UberStudent Forums

curl -s http://mirrors.ubuntu.com/mirrors.txt | xargs -n1 -I {} sh -c 'echo `curl -r 0-102400 -s -w %{speed_download} -o /dev/null {}/ls-lR.gz` {}' |sort -g -r |head -1| awk '{ print $2  }'

#!/bin/bash
##############################################################
# MIRROR SPEED TEST AND FASTEST MIRROR PLACEMENT
# Ref: http://uberstudent.com/phpBB/viewtopic.php?f=15&t=1195
##############################################################

# Create this directory, it's required for the below actions.
mkdir /tmp/aptmirror.test

# Run the mirror speed test string and write the result to a temp file
# we read from below, and add a terminal progress bar.
curl -s http://mirrors.ubuntu.com/mirrors.txt | xargs -n1 -I {} sh -c 'echo `curl -r 0-102400 -s -w %{speed_download} -o /dev/null {}/ls-lR.gz` {}' |sort -g -r |head -1| awk '{ print $2  }' > /tmp/aptmirror.test/test & PID=$!

# Inform the user
echo
echo "Determining the fastest software repository mirror for your location."
echo
echo "Please be patient. This may take a few minutes. Doing this now will"
echo "save you time in the future."
echo

# The printf bracket here is just for ascetic reasons.
printf "["

# While the above curl process is running we here give a progress bar in
# the terminal to inform the user about what is going on.
while kill -0 $PID 2> /dev/null; do
    printf  "▓"
    sleep 1
done

# The printf bracket here is just for ascetic reasons.
printf "]"

# File editing magic here that is perfect for when precision matters.
# Ref: http://unix.stackexchange.com/a/164284
FILE1=$(</tmp/aptmirror.test/test)
FILE2=$(</etc/apt/sources.list.d/official-package-repositories.list)
echo "${FILE2//marker/$FILE1}" > /tmp/aptmirror.test/package

sleep 1

# Most users don't have source files added to their apt configs, so we only
# run this if they do. They are not enabled by default in UberStudent.
if [ -f /etc/apt/sources.list.d/official-source-repositories.list ]; then
     FILE3=$(</etc/apt/sources.list.d/official-source-repositories.list)
     echo "${FILE3//marker/$FILE1}" > /tmp/aptmirror.test/source
     sleep 1
     mv /tmp/aptmirror.test/source /etc/apt/sources.list.d/official-source-repositories.list
     sleep 1
fi

# Required for every user case. We here place the list file we made
# containing the fastest mirror and clean up the temp file(s) we made.
mv /tmp/aptmirror.test/package /etc/apt/sources.list.d/official-package-repositories.list
sleep 1
rm -rf /tmp/aptmirror.test
sleep 1

# Inform the user
echo
echo "Found the fastest mirror! It's been placed into your apt configurations."
echo
echo "If in the future you geographically move a long distance away from your"
echo "current location, re-install this package and it will again find and set"
echo "the fastest mirror for you!"
echo
echo "Using the program Software Sources, you can restore the default U.S.-based"
echo "repository."
echo
sleep 1

##############################################################

sudo apt-get update
sudo apt-get install --reinstall uberstudentsources

#!/usr/bin/python

import os, commands, subprocess

cmdline = commands.getoutput("cat /proc/cmdline")

if ((not "boot=casper" in cmdline) and (not "boot=live" in cmdline)):

   subprocess.Popen(["sudo", "/usr/lib/uberstudent/uberstudentUpdate/apt-mirror-check"]).wait()

   os.system("/usr/lib/uberstudent/uberstudentUpdate/uberstudentUpdate.py")

#!/bin/bash

##############################################################
# MIRROR SPEED TEST AND FASTEST MIRROR PLACEMENT
# Ref: http://uberstudent.com/phpBB/viewtopic.php?f=15&t=1195
##############################################################

# For testing file age, make it old: touch -a -m -t 201512180130.09 /tmp/aptmirrortest/age

#if test `find "/tmp/aptmirrortest/age" -mtime +30` ; then

# If the find command *does not equal* (!=) empty, i.e., if it's not over 30 days old.
# This should use less resources then the *if test* line, above.
if [ "$(find /tmp/aptmirrortest/age -mtime +30)" != "" ]; then
   # Needed sleep to ensure network is up and all other start programs have started
   sleep 15
   # Test if decently internet-connected, and if so, proceed, or else pass to line 135 "else"
   wget -q --tries=1 --timeout=15 http://uberstudent.net -O /tmp/test.idx &> /dev/null
      if [ -s /tmp/test.idx ]; then
         echo "Mirror is over 30 days old. Taking actions...."

         # Notify the user.
         notify-send -u critical -t 0 --icon /usr/share/pixmaps/uberstudentupdate.png "IMPORTANT!" \
"<b>UberStudent Update's software mirrors are more than 30 days old.</b>

The mirrors are currently being updated in the background. It should take about 5 minutes.

<i>Do not try to install or remove any software until this process has finished</i>. You'll be notified when it's done.

<b>You must click this message to dismiss it.</b>"

          # Prevent a catastrophe by locking /var/lib/dpkg/lock so apt can't run while this does
          exec {lock_fd}>/var/lib/dpkg/lock || exit 1
          flock -n "$lock_fd" || { echo "ERROR: flock() failed." >&2; exit 1; }
         
         if [ ! -d /tmp/aptmirrortest ]; then
            mkdir /tmp/aptmirrortest
         fi

         # Create this directory, it's required for the below actions.
         if [ -d /tmp/aptmirror.test ]; then
            rm -rf /tmp/aptmirror.test
            mkdir /tmp/aptmirror.test
         elif [ ! -d /tmp/aptmirror.test ]; then
            mkdir /tmp/aptmirror.test
         fi

         sleep 1

         # Run the mirror speed test string and write the result to a temp file we read from below.
         # This is the magic line that tests the mirror speeds and selects the fastest one,
         # which is from http://askubuntu.com/a/719551/274446
                       
         curl -s http://mirrors.ubuntu.com/mirrors.txt | xargs -n1 -I {} sh -c 'echo `curl -r 0-102400 -s -w %{speed_download} -o /dev/null {}/ls-lR.gz` {}' |sort -g -r |head -1| awk '{ print $2  }' > /tmp/aptmirror.test/test

         sleep 1

         # Below, take actions contingent on the user's installation and apt state:

         #
         # Pre-4.3
         #

         # If the old xorg version and user DOES NOT have sources list enabled
         if [ ! -f /usr/share/doc/xserver-xorg-lts-vivid/copyright ] && [ ! -f /etc/apt/sources.list.d/official-source-repositories.list ]; then
            # File editing magic here that is perfect for when precision matters.
            # Ref: http://unix.stackexchange.com/a/164284
            FILE1=$(</tmp/aptmirror.test/test)
            FILE2=$(</usr/share/uberstudent/uberstudentsources/pre-heraclitus/official-package-repositories.list)
            echo "${FILE2//marker/$FILE1}" > /tmp/aptmirror.test/package
            mv /tmp/aptmirror.test/package /etc/apt/sources.list.d/official-package-repositories.list

         # If the old xorg version and user DOES have sources list enabled
         elif [ ! -f /usr/share/doc/xserver-xorg-lts-vivid/copyright ] && [ -f /etc/apt/sources.list.d/official-source-repositories.list ]; then
            # File editing magic here that is perfect for when precision matters.
            # Ref: http://unix.stackexchange.com/a/164284
            FILE1=$(</tmp/aptmirror.test/test)
            FILE2=$(</usr/share/uberstudent/uberstudentsources/pre-heraclitus/official-package-repositories.list)
            FILE3=$(</usr/share/uberstudent/uberstudentsources/pre-heraclitus/official-source-repositories.list)
            echo "${FILE2//marker/$FILE1}" > /tmp/aptmirror.test/package
            echo "${FILE3//marker/$FILE1}" > /tmp/aptmirror.test/source
            mv /tmp/aptmirror.test/package /etc/apt/sources.list.d/official-package-repositories.list
            mv /tmp/aptmirror.test/source /etc/apt/sources.list.d/official-source-repositories.list

         #
         # 4.3
         #

         # If the new xorg version and user DOES NOT have sources.list enabled, we add heraclitus-backports to the default apt configs
         elif [ -f /usr/share/doc/xserver-xorg-lts-vivid/copyright ] && [ ! -f /etc/apt/sources.list.d/official-source-repositories.list ]; then
            # File editing magic here that is perfect for when precision matters.
            # Ref: http://unix.stackexchange.com/a/164284
            FILE1=$(</tmp/aptmirror.test/test)
            FILE2=$(</usr/share/uberstudent/uberstudentsources/heraclitus/official-package-repositories.list)
            echo "${FILE2//marker/$FILE1}" > /tmp/aptmirror.test/package
            mv /tmp/aptmirror.test/package /etc/apt/sources.list.d/official-package-repositories.list

         # If the new xorg version and user DOES have sources.list enabled
         elif [ -f /usr/share/doc/xserver-xorg-lts-vivid/copyright ] && [ -f /etc/apt/sources.list.d/official-source-repositories.list ]; then
            # File editing magic here that is perfect for when precision matters.
            # Ref: http://unix.stackexchange.com/a/164284
            FILE1=$(</tmp/aptmirror.test/test)
            FILE2=$(</usr/share/uberstudent/uberstudentsources/heraclitus/official-package-repositories.list)
            FILE3=$(</usr/share/uberstudent/uberstudentsources/heraclitus/official-source-repositories.list)
            echo "${FILE2//marker/$FILE1}" > /tmp/aptmirror.test/package
            echo "${FILE3//marker/$FILE1}" > /tmp/aptmirror.test/source
            mv /tmp/aptmirror.test/package /etc/apt/sources.list.d/official-package-repositories.list
            mv /tmp/aptmirror.test/source /etc/apt/sources.list.d/official-source-repositories.list
         fi

         sleep 1

         # Silently update apt with the new mirror.
         apt-get update > /dev/null
         sleep 1

         # Notify the user.
         FILE=$(</tmp/aptmirror.test/test)

         notify-send -u critical -t 0 --icon /usr/share/pixmaps/uberstudentupdate.png "SOFTWARE MIRRORS HAVE BEEN UPDATED!" \
"<b>The fastest possible mirror was determined to be:</b>

    • $FILE

<b>The new mirror has been set into your apt software configurations.</b>

<b>You must click this message to dismiss it.</b>"

         # Clean up the temp file(s) we made.
         if [ -d /tmp/aptmirror.test ]; then
            rm -rf /tmp/aptmirror.test
         fi

         if [ -s /tmp/test.idx ]; then
            rm /tmp/test.idx
         fi

         if [ -f /tmp/aptmirrortest/age ]; then
            rm /tmp/aptmirrortest/age
            echo "This file is needed by apt-mirror-test. Please leave it here." > /tmp/aptmirrortest/age
         fi
      fi
   else
      # If either /tmp/aptmirrortest/age is younger than 30 days old or there is no decent internet connection,
      # we pass the whole script to do nothing, the ":". Comment in echo and comment out : for CLI testing.
      :
      # echo "Mirror is younger than 30 days old, so doing nothing."
   fi