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Tuesday, March 31, 2015

Kernel panic - not syncing Attempted to kill init

Kernel panic  while installing Centos 6.2 / 6.3 / 6.5  x64 bit LiveCD / DVD.

The error like this :

Kernel panic - not syncing: Attempted to kill init!
Pid: 1, comm: init Not tainted 2.6.32-279.5.1.el6.x86_64 #1
Call Trace:
[<ffffffff814fd24a>] ? panic+0xa0/0x168
[<ffffffff81070bd2>] ? do_exit+0x862/0x870
[<ffffffff8117cba5>] ? fput+0x25/0x30
[<ffffffff81070c38>] ? do_group_exit+0x58/0xd0
[<ffffffff81070cc7>] ? sys_exit_group+0x17/0x20
[<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b


for solution :

please download iso Centos 6.5 full version here and then burning to DVD.

good luck.






Wednesday, March 18, 2015

How to Install VLC Player On Centos 6


Add Repository 

- First login with user “root”

- Next run the following commands


# cd /etc/yum.repos.d/

# wget http://pkgrepo.linuxtech.net/el6/release/linuxtech.repo




Check VLC version in Repo

# yum list *vlc*



Install VLC Player

- Run the command below to install vlc

# yum -y install vlc

Friday, March 13, 2015

membuat bilangan acak pada php

function yang digunakan  rand()

contoh ;


<?php
$bilangan = rand(2,18);
echo $bilangan;
?>

Thursday, March 5, 2015

How to open winmail.dat file on centos

How to open winmail.dat file on centos

#yum install tnef

#tnef winmail.dat

How to open winmail.dat files on Ubuntu / Debian

install tnef
#sudo apt-get install tnef

extract file winmail.dat
#tnef winmail.dat




Wednesday, March 4, 2015

Install GCC Compiler on centos

Install gcc

[root@localhost /]# yum install gcc gcc-c++


check gcc version

[root@localhost /]# gcc --version
gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-11)
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


Test gcc C compiler with a sample foo.c program

Create a file called test.c :
#vim test.c

add text like this :

#include<stdio.h>
int main(void){
printf("Hello World!\n");
return 0;
}


To compile test.c into foo executable file, type:
# cc test.c -o test


To execute foo program, type:

# ./test
Hello World!


instlal compiler on centos

Setup a basic development environment  on CentOS Enterprise Linux  :


  1. autoconf
  2. automake
  3. binutils
  4. bison
  5. flex
  6. gcc
  7. gcc-c++
  8. gettext
  9. libtool
  10. make
  11. patch
  12. pkgconfig
  13. redhat-rpm-config
  14. rpm-build
  15. rpm-sign
  16. libstdc++-devel 
  17. libstdc++
  18. c++
  19. wxGTK-devel
  20. wxGTK


#yum install wxGTK-devel wxGTK autoconf automake binutils bison flex gcc gcc-c++ gettext libtool make patch pkgconfig redhat-rpm-config rpm-build rpm-sign libstdc++-devel libstdc++ c++




Sunday, March 1, 2015

Remote Desktop (rdesktop) in Redhat/Fedora/CentOS

About Rdesktop

Rdesktop application is use to connect RDP (Remote Desktop Protocol) of any Operating System like Windows XP, Window NT, Windows 2003/2008, Windows Vista and Windows 7 from Linux machine. It’s a client utility for Remote Desktop Protocol (RDP). In this article we are going to view how we can take remote desktop of Windows Terminal using Hostname and IP Address.

Please make sure following points before connecting to remote host.


  1. Enable RDP port no. 3389 in Firewall.
  2. Enable remote desktop under Windows Operating System.
  3. Require at least one user with password.
  4. Under MS-Windows desktop >> Right Click on My Computer >> Select properties >> Select Remote tab >> Enable Remote desktop >> Save the changes.


Install rdesktop (Remote Desktop)

#rpm -qa rdesktop

#yum -y install rdesktop


How to use rdesktop with hostname
To connect Windows host from Linux desktop type following command using -u parameter as username (narad) and (ft2) as hostname of my Windows host. To resolve host name make entry at /etc/hosts file if you don’t have DNS Server in your environm


rdesktop -u user_login IP_Host

example :

#rdesktop -u administrator 192.168.1.7