Apis17™ Blogs

DHCP Server (Vista Compatible)

2012-01-30T18:31:00.003+08:00

ref: http://www.russellconsultants.com/information/how-to-mainmenu-15/21-networking/43-dhcp-and-windows-vista.html this is my own version. this setting like normal wireless router and works on my windows vistaa. option domain-name "server.domain.com"; option domain-name-servers 8.8.8.8; option netbios-name-servers 8.8.8.8; option subnet-mask 255.255.255.0; default-lease-time 600;

PXE setup centos

2012-01-30T17:51:00.000+08:00

http://wiki.centos.org/HowTos/PXE/PXE_Setup Guide: Install Debian using PXE Simple Menu /tftpboot/pxelinux.cfg/default default menu.c32 prompt 0 timeout 300 ONTIMEOUT local MENU TITLE PXE Menu LABEL Pmajic MENU LABEL Pmajic kernel images/pmagic/bzImage append noapic initrd=images/pmagic/initrd.gz root=/dev/ram0 init=/linuxrc ramdisk_size=100000 label Dos

windows vista DHCP fix

2012-01-30T15:48:00.002+08:00

http://www.reviewingit.com/index.php/content/view/29/2/ WARNING: Only apply this patch if you are having problems do not apply it to all your network interfaces. Registry Tweaks for Vista DHCP Problems HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\TCPIP\PARAMETERS\INTERFACES\{GUID} ChangeDhcpConnForceBroadcastFlag = 0 ADD DWORDDhcpConnDisableBcastFlagToggle = 1 Also to disable IP V6 HKLM\

monitor dhcp request

2012-01-30T15:30:00.002+08:00

#tcpdump portrange 67-68 ref: http://danielmiessler.com/study/tcpdump/

FTP on squid

2012-01-29T11:57:00.003+08:00

i have a problem listing files on remote server using squid firstly make sure to load ip_nat_ftp on squid kernel !important! # Module required for active an FTP server using NAT modprobe ip_nat_ftp then # iptables -A FORWARD -j ACCEPT if this failed: enable ftp bypass on squid http://labtestproject.com/linux_network/step_by_step_enable_ftp_on_squid_proxy_in_linux_fedora_10.html acl FTP

configuring DHCP server

2012-01-26T13:24:00.002+08:00

http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch08_:_Configuring_the_DHCP_Server dhcpd.conf File You can define your server configuration parameters in the dhcpd.conf file which may be located in the /etc the /etc/dhcpd or /etc/dhcp3 directories depending on your version of Linux. Note: The skeleton dhcp.conf file that is created when you install the package may vary in

squid redirection [setting]

2012-01-26T11:50:00.002+08:00

#!/bin/sh # chkconfig: 2345 99 00 case "$1" in 'start') #--------------------------------------------------------------- # Load the NAT module # # Note: It is best to use the /etc/rc.local example in this # chapter. This value will not be retained in the # /etc/sysconfig/iptables file. Included only as a reminder. #-------------------------------------------------------------

GomezPeer Activation in Malaysia

2012-01-26T08:09:00.003+08:00

this week (25/1 - 1/2 2012) i receive a letter from gomezpeerzone http://carigold.com/portal/forums/showthread.php?p=12023681#post12013027 Action requested: Activations in your area‏Dear PEER:This week the Gomez PEER Zone will be activating new PEERs in your area . . . making it the perfect time for you to rack up the referral bonuses.You will earn a $1 referral bonus for each new PEER we

reduce LVM size

2012-01-25T16:29:00.000+08:00

http://www.azhowto.com/2009/02/07/how-to-resize-lvm-running-xen-part-2-decrease-disk-size/ reducing LVM size takes more step than expanding. i already tried and it's works :) I want to reduce the size of the XenWeb logical volume to 9G. First of all, let me shut it down. [root@bpehhome2 mapper]# xm shutdown web [root@bpehhome2 mapper]# pwd /dev/mapper [root@bpehhome2 mapper]# kpartx -a /dev/

[tips & trick] reboot on panic

2012-01-21T08:45:00.001+08:00

# grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You do not have a /boot partition. This means that # all kernel and initrd paths are relative to /, eg. # root (hd0,0) # kernel /boot/vmlinuz-version ro root=/dev/sda1 # initrd /boot/initrd-version.img #boot=/dev/sda default 0 timeout 5

kernel panic! boot on AHCI [solved]

2012-01-21T08:09:00.000+08:00

http://serverfault.com/questions/68793/enabling-ahci-in-rhel5-post-install [root@m02 ~]# vi /etc/modprobe.conf #alias scsi_hostadapter ata_piix alias scsi_hostadapter ahci alias scsi_hostadapter1 usb-storage alias net-pf-10 off alias ipv6 off options ipv6 disable=1 alias eth0 e1000 alias eth1 e1000e http://forums.fedoraforum.org/showthread.php?t=202286 mkinitrd --allow-missing --preload=

boot only once

2012-01-20T19:38:00.002+08:00

store url for future reference: http://www.brianessig.com/2009/09/grub-reboot-to-new-kernel-once/ ticket ID: KYE-173426

Core 2 Duo vs. Dual Core

2012-01-19T14:55:00.002+08:00

i'm wondering what is the different between core2duo and Dual Core (cheaper) processor. see it yourself # cat /proc/cpuinfo processor : 0 & 2 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz stepping : 10 cpu MHz : 2926.042 cache size : 3072 KB fdiv_bug : no hlt_bug

virtualization wiki [xen]

2012-01-18T16:25:00.002+08:00

storing url for my reference: http://wiki.xen.org/xenwiki/HowTos

ubuntu fastest mirror

2012-01-18T02:16:00.001+08:00

http://www.ubuntu9.com downloading updates at 10MB/s :) #This file was generated automatically at 2012-01-17 10:04:12. #Please visit http://ubuntu9.com for more infomation. deb http://www.mirror.upm.edu.my/ubuntu oneiric main restricted universe multiverse deb-src http://www.mirror.upm.edu.my/ubuntu oneiric main restricted universe multiverse deb http://www.mirror.upm.edu.my/ubuntu

openvz memory limit error

2012-01-18T01:23:00.000+08:00

use cat /proc/user_beancounters http://forum.proxmox.com/threads/1495-Proxmox-OpenVZ-memory-Java-VMs-and-Zimbra root@server:~# cat /proc/user_beancounters Version: 2.5 uid resource held maxheld barrier limit failcnt 10: kmemsize 3959248 14834766 49152000 52428800 1152 lockedpages 0 16 2048

how to install CAcert on windows vista [solved]

2012-01-12T08:43:00.001+08:00

Do you want FREE ssl certificate to test? use CAcert .here i show how to import CAcert root certificate into internet explorer and trusted by google chrome after successfully complete the process. 1. download root certificate: https://www.cacert.org/index.php?id=3 2. click on PEM format: https://www.cacert.org/certs/root.crt 3. open downloaded file: 4. Click details > Copy to file

Sendmail user unknown [solved]

2012-01-12T08:11:00.004+08:00

today i have a problem sending email to my sendmail server. sendmail returns User Unknown. the solution is: i'm using webmin. click Local Domains (Cw) and enter your domain here. default value: localhost localhost.localdomain >add domain.com here manual setting: http://tldp.org/LDP/nag2/x15291.html

[solved] xm shutdown won't shutdown

2012-01-08T16:56:00.003+08:00

need to post into xen mailing list but the archive was too old. http://old-list-archives.xen.org/archives/html/xen-users/2005-09/msg00361.html i have simple solution to shutdown frozen vm. 1. enter vm #xm console 10 2. power off machine #poweroff this will shutdown frozen machine successfully and you will be able to reboot your server. if your server won't reboot waiting for frozen vm,

bypass celcom throttle

2012-01-06T12:25:00.000+08:00

i think this is works. use ping -t more details: http://www.rtikel.com/bypass-celcom-broadband-limit-throttle-speed/

lxlabs image templates

2012-01-04T18:07:00.002+08:00

http://download.lxlabs.com/download/vmtemplate/

openvpn windows connect

2011-12-28T01:19:00.000+08:00

http://mugurel.sumanariu.ro/windows/vista-and-win-7-openvpn-route-problem/ OpenVPN+GUI (openvpn-2.0.9-gui-1.0.3) in client mode will connect to the remote OpenVPN server, but will not accept the routes. Error in the log is as follows: ROUTE: route addition failed using CreateIpForwardEntry: One or more arguments are not correct. [if_index=18]Route addition via IPAPI failed Solution: add

install and setup openvpn

2011-12-26T18:23:00.001+08:00

http://www.webhostingtalk.com/showthread.php?t=1024872 using #yum install openvpn remember to install rpmforge repository

enable tuntap on openvz container

2011-12-20T19:36:00.002+08:00

http://wiki.openvz.org/VPN_via_the_TUN/TAP_device storing url for my reference.

dependency problem xen from centos 5.3 to 5.7

2011-12-20T19:07:00.000+08:00

http://www.centos.org/modules/newbb/viewtopic.php?topic_id=19677 i'm unable to update xen image (centos 5.3) using centos 5.7 repository. the solution: yum --exclude=elfutils-libelf* --exclude=python* update done this and finally i can do yum update. :) http://www.linuxquestions.org/questions/linux-general-1/error-timeout-urlopen-error-timed-out-when-using-yum-on-centos5-2-a-722441/

nginx + apache tips

2011-12-14T15:49:00.002+08:00

https://calomel.org/nginx.html storing url again. :)

dreamweaver replacement

2011-12-08T11:58:00.001+08:00

download aptana http://www.aptana.com/products/studio3/download

install vanish + nginx

2011-12-05T19:45:00.001+08:00

http://www.pressbyte.com/4649/install-nginx-varnish-cache-mysql-php-ubuntu/ http://blog.hamzahkhan.com/?p=82 storing this for future reference

exploring JSON

2011-11-28T11:00:00.001+08:00

now i'm exploring json. storing this url for future reference: http://www.learn-ajax-tutorial.com/Json.cfm http://www.w3schools.com/jsref/jsref_encodeuricomponent.asp http://www.php.net/manual/en/function.json-decode.php

mysql storage engine

2011-11-21T06:23:00.001+08:00

searching for memory storage engine storing this for future reference; http://jonathanhui.com/mysql-storage-engine

[Howto] Astro Beyond Remote Control

2011-11-20T19:33:00.001+08:00

Do you know that your white astro remote control able to control power off and volume control? Here you go: i'm taking this article from other website for my reference and faster search also. 1. Press power button + OK until remote indicator light blink twice. (Edit Mode) 2. Enter 4 digit TV Codes (Refer tables) 3. To reset, enter Edit Mode (1) and press 977 Astro Beyond TV Codes

jquery selector

2011-11-14T16:05:00.001+08:00

http://www.w3schools.com/jquery/jquery_ref_selectors.asp exploring jquery selector. storing for future reference.

mysql index technique

2011-11-03T13:14:00.000+08:00

http://www.w3schools.com/sql/sql_create_index.asp My idea; field index just for frequently used table for searching. since updating is slow, (see note) no index for frequently updated data . Indexes allow the database application to find data fast; without reading the whole table. Note: Updating a table with indexes takes more time than updating a table without (because the indexes also need

optimize mysql with index

2011-10-31T13:10:00.001+08:00

if you want to join large table, indexing may help. table1: 30,000 rows table2: 40 rows indexing for example user ID may speed up select query SELECT name, phoneNo, address FROM table1 INNER JOIN table2 ON table1.userid = table2.userid with no index, query takes about 8second but with index query only 0.4second

convert

2011-10-26T20:24:00.000+08:00

Javascript (remove character outside bracket)

2011-10-16T23:16:00.001+08:00

i want to extract some information from text for example. My Name Is Abu (19) years old final output is 19 searching thru i found this code pattern = /([a-z]+)([0-9]+)([A-Z]+)([0-9]+)/;subject = 'test1234TEST1234';matches = subject.match(pattern);match1 = matches[1];match2 = matches[2];match3 = matches[3];match4 = matches[4];alert(match1);alert(match2);alert(match3);alert(match4); this is

how google transform windows into chrome

2011-10-08T12:35:00.002+08:00

i got this from facebook. sharing is caring ;)

install rrdtool centos

2011-10-06T16:48:00.001+08:00

ref: http://www.cyberciti.biz/faq/howto-install-rrdtool-on-rhel-linux/ Step # 1: Install required dependencies Login as root and type the following command:# yum install cairo-devel libxml2-devel pango-devel pango libpng-devel freetype freetype-devel libart_lgpl-devel Untar tar ball, enter: Step # 2: Download latest rrdtool tar ball # tar -zxvf rrdtool-1.3.1.tar.gz Step #3: Compile and

read LVM from windows

2011-10-01T14:50:00.003+08:00

i want to recover old files from server to new disk http://www.chrysocome.net/explore2fs - use explore2fs to read data reference: http://www.coderchris.com/linux/how-to-mount-a-linux-lvm2-partition-in-windows/2008/02/10 and google updates: this software not works. i'm using vmware player with centos and mount using this To mount xen guest image (with lvm)1. Check the partition on the

4gb seg fixup after reformatting

2011-10-01T11:16:00.001+08:00

[root@linux ~]# rpm -q glibc.i386 glibc-2.5-65 [root@linux ~]# rpm -q glibc.i686 package glibc.i686 is not installed it works as expected. now production server works but files gone. hope to get files back using backup disk.

memcached on windows

2011-09-29T05:40:00.001+08:00

i have linux successfully installed with memcached. for local testing i need memcached also for my xampp trying this: http://qb4k.blogspot.com/2011/01/installing-memcache-on-windows-for-php.html

segmentation fault after glibc.i386

2011-09-28T16:28:00.002+08:00

what de.. this is my production server. after successfull on test server now i'm trying into real server: Kernel Panic. last resort reformat. ;) I tried to updgrade glibc using[root@demo1 RPMS]# rpm -ivh glibc-2.3.3-74.i386.rpm --force --nodepsPreparing... ########################################### [100%]1:glibc ########################################### [100%]/usr/sbin/glibc_post_upgrade

[tips] pord forward on windows XP

2011-09-28T11:19:00.002+08:00

windows xp do not have internal function to do port forward. i found simple (super duper small) program to complete this task: www.quantumg.net/portforward.php you can download here: http://www.quantumg.net/portforward_bin.zip source code also available at the website. thank you for the usefull tiny program.

[solved] 4gb fixup problem end

2011-09-28T06:54:00.000+08:00

WARNING: try at your own risk. 2. not use this function when memory below 512MB 3. this break down my production server http://blog.apis17.info/2011/09/segmentation-fault-after-glibci386.html -reformat and reinstall solve the problem finally 4gb fixup on xen is finally gone. (now i have openvz too :) 2.6.18-274.el5.028stab093.2xen it fixed using i386 version of glibc #yumdownloader glibc.i386

4gb fixup again

2011-09-27T18:43:00.002+08:00

http://www.cloudlinux.com/solutions/forum/forum18/topic41/ now trying another way: [root@localhost ~]# rpm -q glibc.i386package glibc.i386 is not installed[root@localhost ~]# rpm -q glibc.i686glibc-2.5-42This means that you have i686 version -- and you need to install i386 version[root@localhost ~]# yumdownloader glibc.i386 no luck yet.

[solved] unable to update lxlighthttpd

2011-09-26T08:23:00.000+08:00

http://forum.lxcenter.org/index.php?t=msg&goto=88875& Was getting dependency error running yum updatelxlighttpd requires liblua-5.1.so solution: install EPEL repo Code: [Select all] [Show/ hide] rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm remove existing lua Code: [Select all] [Show/ hide] yum remove lua install EPEL lua Code: [Select all] [

install epel repo

2011-09-19T09:13:00.000+08:00

#rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm i want to install memcached reference: http://www.cyberciti.biz/faq/rhel-fedora-linux-install-memcached-caching-system-rpm/

play mp3 from your linux server

2011-09-15T09:28:00.000+08:00

#yum install mpg123 play: #mpg123 How to control your volume? # alsamixer http://www.go2linux.org/mpg123-linux-command-line-play-mp3-files http://jordilin.wordpress.com/2006/07/28/howto-recording-audio-from-the-command-line/ (alsa mixer)

create symlink in windows

2011-09-15T09:15:00.000+08:00

mklink /D c:\xampp\htdocs\laguan\mp3 T:\Users\user\Musicreference: http://www.howtogeek.com/howto/windows-vista/using-symlinks-in-windows-vista/

mysql count if

2011-09-10T11:37:00.002+08:00

http://forums.mysql.com/read.php?10,203876,204010#msg-204010select book_name, count(if(rating=1, 1, null)) as "POOR", count(if(rating=2,1,null)) as "Average", count(if(rating=3,1,null)) as "Good", count(if(rating=4,1,null)) as "Great" from rating group by book_name order by book_name; +----------------+------+---------+------+-------+ | book_name | POOR | Average | Good |

optimizing mysql

2011-09-09T11:50:00.000+08:00

http://www.karlrixon.co.uk/articles/sql/update-multiple-rows-with-different-values-and-a-single-sql-query/source: http://stackoverflow.com/questions/4031814/what-is-the-fastest-way-to-update-thousands-rows-in-mysql

how to stop trend micro bot

2011-09-07T13:02:00.003+08:00

trend micro bot will scan every website you visited and they known as:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) - so cleverone of their ip address is 150.70.172.106http://whatismyipaddress.com/ip/150.70.172.106i can say the scanner is not very clever (someone call stupid) http://www.inius.ro/posts/230-trendmicro-bot-kills-your-server-how-to-ban-it.htmland they eat your bandwidth too:http

secure tmp on openvz container

2011-09-06T08:08:00.001+08:00

http://www.faqforge.com/linux/controlpanels/ispconfig2/secure-tmp-and-devshm-directories-in-a-openvz-enviroment/Create the script:vi /etc/vz/conf/VPSID.mountand insert the following lines:#!/bin/bash mount -n --bind -onosuid,noexec /vz/vps/VPSID/tmp /vz/root/VPSID/tmp mount -n --bind -onosuid,noexec /vz/vps/VPSID/shm /vz/root/VPSID/dev/shm exit ${?}now make the sscript executable:chmod 700 /etc/

register testing [SAP Venture?]

2011-09-05T02:01:00.001+08:00

*** SAP Venture X ***Tukar RM99 Kepada RM7,800 Dalam 4 Minggu!Tak perlu cari orangTak perlu promosiTak perlu siar iklanTak perlu buat blogTak perlu kecoh kat FaceBookTak perlu bising kat TwitterTak perlu post apa-apa kat forumTak perlu spam email rakan-rakan pejabatTak perlu menulis sebarang artikel yang memecahkan kepala anda...Semuanya "Fully Automated!"Bagaimana???!!Hanya Beli Pakej Mengikut

csf on openvz [ another reference ]

2011-08-28T10:20:00.003+08:00

still no luck. trying another way: this is detailed instruction: http://eitwebguru.com/install-and-configure-csf-on-a-vps-part-i-enable-firewall-modules/ vzctl set VEID --iptables ipt_REJECT --iptables ipt_tos --iptables ipt_TOS --iptables ipt_LOG --iptables ip_conntrack --iptables ipt_limit --iptables ipt_multiport --iptables iptable_filter --iptables iptable_mangle --iptables ipt_TCPMSS --

iptables csf with openvz container

2011-08-25T04:20:00.002+08:00

required modules iptable_filter iptable_mangle ipt_limit ipt_multiport ipt_tos ipt_TOS ipt_REJECT ipt_TCPMSS ipt_tcpmss ipt_ttl ipt_LOG ipt_length ip_conntrack ip_conntrack_ftp ip_conntrack_irc ipt_conntrack ipt_state ipt_helper iptable_nat ip_nat_ftp ip_nat_irc How to test?perl /etc/csf/csftest.plread more: http://kb.parallels.com/en/746

hacking mysql tutorial

2011-08-24T14:57:00.001+08:00

storing website url for future reference: http://hakipedia.com/index.php/SQL_Injection http://www.kenahack.com/2011/07/hth-sql-injection.html

optimizing large database

2011-08-15T04:44:00.001+08:00

http://viralpatel.net/blogs/2009/08/fast-data-copy-with-create-table-select-from-in-plsql.html

mysqli tutorial

2011-08-15T02:00:00.004+08:00

moving from procedural coding style to OOP this article telling basic information and maybe helpfull http://www.willfitch.com/mysqli-tutorial.html Getting some info on the result from the mysql database: