Mailbag

Deividson Luiz Okopnik and Howard Dyckoff · three

-- 
Constantine Shulyupin
Freelance Embedded Linux Engineer
http://www.linuxdriver.co.il/

Date: Sun, 21 Sep 2008 17:20:36 -0700
From: Rick Moen <rick@linuxmafia.com>
To: luv-main@luv.asn.au
Subject: Re: Linux (sendmail/imap) and Mobile Phone access

> According to Slashdot, Zarafa has just been open sourced.

-- 
Britto

 * default (stay with OPL)
 * the CC options

-- 
http://www.xing.com/profile/Martin_Marcher

You are not free to read this message,
by doing so, you have violated my licence
and are required to urinate publicly. Thank you.

-- 
Joey Prestia
L. G. Mirror Coordinator
http://linuxamd.com
Main Site http://linuxgazette.net

  :1,'b/dog/cat/ceg

  :1,'bs/dog/cat/ceg

#!/bin/bash
echo Content-Type: application/zip
echo "Content-Disposition: attachment; filename=files.zip"
echo
zip -9r - *

export Filename="$(pwd|sed -e 's,.*/,,').zip"
if test "$QUERY_STRING" == zip; then
  echo Content-type: application/zip
  echo "Content-Disposition: attachment; filename=$Filename"
  echo
  zip -9r - *
else
  echo "Content-type: text/html; charset=utf-8"
  echo
  echo "<HTML><BODY><A HREF=\"..\">Parent directory</A> |"
  echo "<A HREF=\"./?zip\">Download $Filename</A>"
  echo "<h2>Contents of $Filename</h2><UL>"
  for N in *; do
    echo "<LI><A HREF=\"$N\">$N</A> ($(du -h "$N"|cut -f1))</LI>"
  done
  echo "</UL></BODY></HTML>"
fi

-- 
Silas S Brown http://people.pwf.cam.ac.uk/ssb22

#cat /proc/meminfo | grep Huge
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     4096 kB

#echo 4 > /proc/sys/vm/nr_hugepages

#cat /proc/meminfo | grep Huge
HugePages_Total:     4
HugePages_Free:      4
HugePages_Rsvd:      0
Hugepagesize:     4096 kB

#include <stdio.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <stdlib.h>

#define MB_1 (1024*1024)
#define MB_8 (8*MB_1)

char  *a;
int shmid1;

void init_hugetlb_seg()
{
  shmid1 = shmget(2, MB_8, SHM_HUGETLB
         | IPC_CREAT | SHM_R
         | SHM_W);
  if ( shmid1 < 0 ) {
    perror("shmget");
    exit(1);
  }
  printf("HugeTLB shmid: 0x%x\n", shmid1);
  a = shmat(shmid1, 0, 0);
  if (a == (char *)-1) {
    perror("Shared memory attach failure");
    shmctl(shmid1, IPC_RMID, NULL);
    exit(2);
  }
}

void wr_to_array()
{
  int i;
  for( i=0 ; i<MB_8 ; i++) {
    a[i] = 'A';
  }
}

void rd_from_array()
{
  int i, count = 0;
  for( i=0 ; i<MB_8 ; i++)
    if (a[i] == 'A') count++;
  if (count==i)
    printf("HugeTLB read success :-)\n");
  else
    printf("HugeTLB read failed :-(\n");
}

int main(int argc, char *argv[])
{
  init_hugetlb_seg();
  printf("HugeTLB memory segment initialized !\n");
  printf("Press any key to write to memory area\n");
  getchar();
  wr_to_array();
  printf("Press any key to rd from memory area\n");
  getchar();
  rd_from_array();
  shmctl(shmid1, IPC_RMID, NULL);
  return 0;
}

#cc hugetlb-array.c -o hugetlb-array -Wall
#./hugetlb-array
HugeTLB shmid: 0x40000
HugeTLB memory segment initialized !
Press any key to write to memory area

#cat /proc/meminfo | grep Huge
HugePages_Total:     4
HugePages_Free:      4
HugePages_Rsvd:      2
Hugepagesize:     4096 kB

#cat /proc/meminfo | grep Huge
HugePages_Total:     4
HugePages_Free:      2
HugePages_Rsvd:      0
Hugepagesize:     4096 kB

Press any key to rd from memory area

HugeTLB read success :-)

%A   Andrew M. St. Laurent
%D   August 2004
%G   0-596-00581-4
%I   O'Reilly Media
%O   "Understanding Open Source and Free Software Licensing"
%P   224 pages
%T   Understanding Open Source and Free Software Licensing

DEFAULT_TIMEOUT=300
DEFAULT_BROWSE_MODE="no"

/misc   /etc/auto.misc
/net    -hosts
+auto.master

/remote    			/etc/auto.somewhere_else	
/mnt/nas    		/etc/auto.nas	
/mnt/backup			/etc/auto.backup	 

key	 	 mount options    	  location or device

/misc				/etc/auto.misc
/net				-hosts
/mnt/remote 	 	/etc/auto.remote
+auto.master

# key		mount options		location or device 
records		-rw,soft,intr		server1.example.com:/srv/nfs/medical/records

# key		mount options		location or device 
*		-rw,soft,intr		server1.example.com:/home/username/&

# This is an automounter map and it has the following format
# key [ -mount-options-separated-by-comma ] location
# Details may be found in the autofs(5) manpage

cd              -fstype=iso9660,ro,nosuid,nodev :/dev/cdrom

# the following entries are samples to pique your imagination
#linux          -ro,soft,intr           ftp.example.org:/pub/linux
#boot           -fstype=ext2            :/dev/hda1
#floppy         -fstype=auto            :/dev/fd0
#floppy         -fstype=ext2            :/dev/fd0
#e2floppy       -fstype=ext2            :/dev/fd0
#jaz            -fstype=ext2            :/dev/sdc1
#removable      -fstype=ext2            :/dev/hdd

[root@station17 ~]# service autofs status
automount is stopped
[root@station17 ~]# service nfs status
rpc.mountd is stopped
nfsd is stopped
rpc.rquotad is stopped

[root@station17 ~]# service autofs start
Starting automount:                                        [  OK  ]
[root@station17 ~]# chkconfig --level 35 autofs on
[root@station17 ~]# service nfs start
Starting NFS services:                                     [  OK  ]
Starting NFS quotas:                                       [  OK  ]
Starting NFS daemon:                                       [  OK  ]
Starting NFS mountd:                                       [  OK  ]
[root@station17 ~]# chkconfig --level 35 nfs on
[root@station17 ~]#

[root@station17 /]# cd /net
[root@station17 net]# cd server1
[root@station17 server1]# ls
data  documents  powervault  rhome  var
[root@station17 server1]#             

[root@station17 net]# cd 192.168.0.254
[root@station17 192.168.0.254]# ls
data  documents  powervault  remote  var
[root@station17 192.168.0.254]#                   

[root@station17 ~]# echo "/var/www/html 127.0.0.1(sync,rw)" >> /etc/exports
[root@station17 ~]# service nfs restart
Shutting down NFS mountd:                                  [  OK  ]
Shutting down NFS daemon:                                  [  OK  ]
Shutting down NFS quotas:                                  [  OK  ]
Shutting down NFS services:                                [  OK  ]
Starting NFS services:                                     [  OK  ]
Starting NFS quotas:                                       [  OK  ]
Starting NFS daemon:                                       [  OK  ]
Starting NFS mountd:                                       [  OK  ]
[root@station17 ~]# cd /net/localhost
[root@station17 localhost]# ls
var
[root@station17 localhost]# 

# automount points below /smb

# This is an automounter map and it has the following format
# key [ -mount-options-separated-by-comma ] location
# Details may be found in the autofs(5) manpage

# smb-servers
supra_andreas   -fstype=smb,username=andreas,password=foo   ://supra/aheinrich
supra_cspiel    -fstype=smb,username=cspiel                 ://supra/cspiel
phonon_andreas  -fstype=smb,username=andreas                ://phonon/andreas
helium_cspiel   -fstype=smb,username=cspiel                 ://helium/cspiel

> 2008/9/1 Rick Moen <rick@linuxmafia.com>:
> > Quoting Jimmy O'Regan (joregan@gmail.com):
> >
> >> I just read your fascinating essay 'Kudzu and the California Marriage
> >> Amendment'; one niggle, however: 'Stanlislawa Walasiewiczowna' should
> >> be spelled 'Stanislawa Walasiewiczowna' (or, with full Polish
> >> diacritics, 'Stanis?awa Walasiewicz�wna')
> >
> > Thank you, sir.  I was copying a third-party source, and it didn't look
> > quite right, but I forgot I had a Polish-speaker I could check with.  ;->
> >
> 
> I actually found your essay while trying to take a break from Polish -
> I'm currently wading my way through 'Pan Tadeusz', first in English,
> then in Polish, proofreading the scans as I go to possibly send to
> Project Gutenberg. It thus came as something of a minor shock to find
> yet more Polish in your essay - and I was already in 'error checking
> mode', so... 

October 2008 (#155):

Mailbag

This month's answers created by:

Our Mailbag

Interactive map of Linux kernel source

Linux (sendmail/imap) and Mobile Phone access

an address book/ diary programme ...

Vector Linux how to question

Privileged Port Access for Users

remote backup commnand

bad sector removing

License Question

Using DNS blacklists to reject mail.

Talkback

Talkback:152/srinivasan.html

2-Cent Tips

Two-cent tip: Download whole directory as zip file

News Bytes

Contents:

News in General

Xen 3.3 Hypervisor Released

VMware vClient Desktops to Follow Users

Linux Foundation Legal Summit in October

IBM Breaks Performance Records with SSDisk

HP Breaks the 24-hour Battery Life Barrier

Sun World Tour of Tech Days Conferences

Conferences and Events

Distro News

End of Service Life for Solaris 7 and 8 OS

HPC ClusterTools now Open Source and support Linux

Fedora 10 Beta release

Software and Product News

Amazon to sell XO laptops for G1,G1 2008

Google's Tenth Anniversary Celebration: Project 10100

Virtualization Wrapup

Citrix Unveils XenServer 5 for Cloud Computing with usage-based pricing

Sun Expands Virtualization Portfolio with xVM products

Sun Microsystems Unveils xVM VirtualBox 2.0

HP Announces New Virtualization Offerings for VMware Environments

Away Mission: Google I/O and Better Software Practices

Making Software Development Better

Better Software Keynotes

Tech Sessions and Tutorials

Content

The Google I/O 2008 conference

Painless Python

Presenting App Engine

In the end...

HugeTLB - Large Page Support in the Linux Kernel

Abstract

Introduction

Enabling Large Page Support

How to Use Large Pages?

Example program execution - using large pages

Internals of large page support

Large Page initialization

Large page fault and physical page allocation

Where to go from here?

Links

Conclusion

Acknowledgements

Book Review: Understanding Open Source and Free Software Licensing

Joey's Notes: Using the Automounter

/etc/sysconfig/autofs

/etc/auto.master

/etc/auto.file

/etc/auto.misc

/etc/auto.net

/etc/auto.smb

Resources

HelpDex

Ecol

XKCD

The Linux Launderette

Heinlein's FAQ

Your marriage essay

Google's Tenth Anniversary Celebration: Project 10¹⁰⁰