De Windows à Linux, maintenant ?

Bonjour,
J'aimerai me renseigner sur les possibilités, limitations de passer depuis un labview windows vers un linux (supporté bien entendu).
J'utilise à l'heure actuelle :
- du cDAQ
- du cRIO
- du FPGA (donc),
- du DMM
sous Windows.
Quels problèmes, qui est ce qui est supporté par Linux et qui ne l'est pas ? Qu'est ce que cela m'impose de faire lors du passage Windows / Linux etc.
Toute expérience est bonne à prendre. Merci !
Résolu !
Accéder à la solution.

Excusez-moi pour le lien.
Je vous transmet deux autres liens avec les mêmes informations.
http://zone.ni.com/devzone/cda/tut/p/id/11787
http://digital.ni.com/public.nsf/allkb/4857A755082E9E228625778900709661?OpenDocument
Brice S.
National Instruments France

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在学习oracle时一般都会在windows中安装虚拟机,在虚拟机安装linux系统并[安装oracle.
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三.在新建的虚拟机里安装RedHat Linux就不详述了
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为了创建一个新的oracle用户输入和以下相似的命令:
# /usr/sbin/useradd -g oinstall -G dba[,oper] oracle
给oralce用户设置密码
# passwd oracle
修改内核参数编辑/etc/sysctl.conf文件
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_default = 262144
net.core.wmem_max = 262144
当在/etc/sysctl.conf文件中指定这些内核参数后你要重启系统
也可以执行以下命令让内核参数生效
/sbin/sysctl -p
给oracle用户设置shell限制
为了提高数据库软件在linux系统中的性能你必须给oracle用户增加以下shell限制:
shell limit item in limits.confg hard limit
能打开文件的最大数量 nofile 65536
单个用户可用的最大进程数 nproc 16384
在/etc/security/limits.conf文件中增加以下限制:
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
在/ect/pam.d/login文件如果下面显示的参数没有就增加到该文件中
session required pam_limits.so
根据oracle用户的默认shell,对默认的shell启动文件进行以下更改:
对于Bourne, Bash, or Korn shell在/etc/profile文件中增加下面的代码
if [ $USER = "oracle" ]; then
if [ $SHELL = "/bin/ksh" ]; then
ulimit -p 16384
ulimit -n 65536
else
ulimit -u 16384 -n 65536
fi
fi
对C shell(csh or tcsh)在/etc/csh.login文件中增加以下代码
if ( $USER == "oracle" ) then
limit maxproc 16384
limit descriptors 65536
endif
创建oracle根目录可以输入以下相似的命令:
# mkdir -p /mount_point/app/oracle_sw_owner
# chown -R oracle:oinstall /mount_point/app/oracle_sw_owner
# chmod -R 775 /mount_point/app/oracle_sw_owner
如果oracle根目录的加载点是/u01并且oracle软件使用者用户为oracle那么oracle根目录的路径为:
/u01/app/oracle
[root@weblogic28 ~]# mkdir -p /u01/app/oracle
[root@weblogic28 ~]# chown -R oracle:oinstall /u01/app/oracle
[root@weblogic28 ~]# chmod -R 775 /u01/app/oracle
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创建存储数据库文件和数据库恢复文件的目录
创建存储数据库文件的目录的命令如下:
# mkdir /mount_point/oradata
# chown oracle:oinstall /mount_point/oradata
# chmod 775 /mount_point/oradata
将存放数据库文件的目录创建在oracle根目录下/u01/app/oracle/oradata
[root@weblogic28 ~]# mkdir /u01/app/oracle/oradata
[root@weblogic28 ~]# chown oracle:oinstall /u01/app/oracle/oradata
[root@weblogic28 ~]# chmod 775 /u01/app/oracle/oradata
创建oracle Home目录/u01/app/oracle/10.2.0/db
[root@weblogic28 ~]# mkdir /u01/app/oracle/10.2.0/db
[root@weblogic28 ~]# chown oracle:oinstall /u01/app/oracle/10.2.0/db
[root@weblogic28 ~]# chmod 775 /u01/app/oracle/10.2.0/db
创建存储数据库恢复文件的目录的命令如下:
# mkdir /mount_point/flash_recovery_area
# chown oracle:oinstall /mount_point/flash_recovery_area
# chmod 775 /mount_point/flash_recovery_area
将存放数据库恢复文件的目录创建在oracle根目录下/u01/app/oracle
[root@weblogic28 ~]# mkdir /u01/app/oracle/flash_recovery_area
[root@weblogic28 ~]# chown oracle:oinstall /u01/app/oracle/flash_recovery_area
[root@weblogic28 ~]# chmod 775 /u01/app/oracle/flash_recovery_area
创建一个/tmp目录
[root@weblogic28 ~]# mkdir /u01/tmp
[root@weblogic28 ~]# chmod a+wr /u01/tmp
切换到oracle用户来设置环境变量
[oracle@weblogic28 ~]$
ls -a
查看.bash_profile文件
vi .bash_profile
TEMP=/u01/tmp
TMPDIR=/u01/tmp
export TEMP TMPDIR
export LD_ASSUME_KERNEL=2.6.9
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=/u01/app/oracle/10.2.0/db
export ORACLE_SID=jycs
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
export ORA_NLS33=$ORACLE_HOME/ocommon/nls/admin/data
LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
export LD_LIBRARY_PATH
export PATH=$PATH:$ORACLE_HOME/bin
CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
CLASSPATH=$CLASSPATH:$ORACLE_HOME/network/jlib
export CLASSPATH
[oracle@weblogic28 tmp]$# umask
0022
umask命令将会显示22,022或0022
[oracle@weblogic28 tmp]$# env | more
REMOTEHOST=10.138.135.242
HOSTNAME=weblogic28
SHELL=/bin/bash
TERM=ansi
HISTSIZE=1000
TMPDIR=/u01/tmp
KDE_NO_IPV6=1
QTDIR=/usr/lib64/qt-3.3
QTINC=/usr/lib64/qt-3.3/include
USER=root
TEMP=/u01/tmp
LS_COLORS=no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:bd=40;33;01:cd=40;33;0
1:or=01;05;37;41:mi=01;05;37;41:ex=01;32:*.cmd=01;32:*.exe=01;32:*.com=01;32:*.b
tm=01;32:*.bat=01;32:*.sh=01;32:*.csh=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:
*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*
.bz=01;31:*.tz=01;31:*.rpm=01;31:*.cpio=01;31:*.jpg=01;35:*.gif=01;35:*.bmp=01;3
5:*.xbm=01;35:*.xpm=01;35:*.png=01;35:*.tif=01;35:
ORACLE_SID=jycs
ORACLE_BASE=/u01/app/oracle
KDEDIR=/usr
MAIL=/var/spool/mail/root
PATH=/usr/lib64/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:
/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
INPUTRC=/etc/inputrc
上面显示了你所设置的环境变量
也可以用下面的命令来查看环境变量
[oracle@weblogic28 tmp]$ echo $ORACLE_HOME[$ORACLE_SID,$ORACLE_BASE]
将数据库软件包拷贝到linux系统中
然后解压文件
$ gunzip filename.cpio.gz
[oracle@weblogic28 tmp]$ gunzip 10201_database_linux_x86_64.cpio.gz
执行上面的命令后会出现在 10201_database_linux_x86_64.cpio文件包
再执行如下命令解压文件
$ cpio -idmv < filename.cpio
[oracle@weblogic28 tmp]$ cpio -idmv <10201_database_linux_x86_64.cpio
database/stage/prereq/db/refhost_Custom.xml
database/stage/prereq/db/refhost.xml
database/stage/prereq/db/db_prereq.xml
database/stage/prereq/db/dbprereq.jar
database/stage/prereq/db
database/stage/prereq/oui/knowledgesrc.xml
database/stage/prereq/oui/rulemap.xml
database/stage/prereq/oui/OraPrereqChecks.jar
database/stage/prereq/oui
database/stage/prereq/common/rulemap.xml
database/stage/prereq/common
会出现以上信息
如果是远程安装可以使用VNC远程连接到linux服务器上来执行界面安装
1、配置并开启vnc服务
[oracle@localhost ~]$ vncserver
You will require a password to access your desktops.
Password: ---这里要求输入vnc客户端登录的密码并重复
Verify:
New 'localhost.localdomain:2 (oracle)' desktop is localhost.localdomain:2
Creating default startup script. /home/oracle/.vnc/xstartup
Starting applications specified in /home/oracle/.vnc/xstartup
Log file is /home/oracle/.vnc/localhost.localdomain:2.log
----如上告诉你vnc终端已经创建好，用的是第二个终端
2、在创建vnc服务的用户目录下会生成一个.vnc的隐藏目录
[oracle@localhost ~]$ ls -a
. .bash_profile Disk1 .gconfd .gstreamer-0.10 .metacity README.htm .viminfo
.. .bashrc .eggcups .gnome .gtkrc-1.2-gnome2 .mozilla .redhat .vnc
.bash_history .chewing .emacs .gnome2 .ICEauthority .nautilus .scim .Xauthority
.bash_logout Desktop .gconf .gnome2_private .kde p8202632_10205_Linux-x86-64.zip .Trash .zshrc
3、进入.vnc目录，找到xstartup可执行文件，用vi 编辑器打开
[oracle@localhost ~]$ cd .vnc/
[oracle@localhost .vnc]$ ls
localhost.localdomain:2.log localhost.localdomain:2.pid passwd xstartup
[oracle@localhost .vnc]$ vi xstartup
#!/bin/sh
# Uncomment the following two lines for normal desktop:
# unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc ---去掉前面的#号即可 --保存退出
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
twm &
~
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
"xstartup" 12L, 333C 已写入
[oracle@localhost .vnc]$ vncserver
New 'localhost.localdomain:3 (oracle)' desktop is localhost.localdomain:3
Starting applications specified in /home/oracle/.vnc/xstartup
Log file is /home/oracle/.vnc/localhost.localdomain:3.log
4、清除刚才创建的vnc虚拟终端
[oracle@localhost .vnc]$ vncserver -kill :1
Can't find file /home/oracle/.vnc/localhost.localdomain:1.pid
You'll have to kill the Xvnc process manually
[oracle@localhost .vnc]$ vncserver -kill :2
Killing Xvnc process ID 11889
[oracle@localhost .vnc]$ vncserver -kill :3
Killing Xvnc process ID 11945
[oracle@localhost .vnc]$ vncserver -kill :4
Can't find file /home/oracle/.vnc/localhost.localdomain:4.pid
You'll have to kill the Xvnc process manually
5、重新建立新的vnc虚拟终端
[oracle@localhost .vnc]$ vncserver
New 'localhost.localdomain:2 (oracle)' desktop is localhost.localdomain:2
Starting applications specified in /home/oracle/.vnc/xstartup
Log file is /home/oracle/.vnc/localhost.localdomain:2.log --该终端号为 :2
6、在windows客户端用RealVNC软件中的Run VNC Viewer客户端连接。
7、在Run VNC Viewer 只需输入linux服务器的地址和刚才生成的终端号:2
格式：192.168.1.56:2
8、输入刚才配置vnc服务的时候配的即可登录linux服务器图形界面。
如果是本地安装的话执行下面的步骤
用root用户登录
[root@weblogic28 ~]#xhost + 让任何用户都是启用图形界面
切换到oracle用户
[root@weblogic28 ~]su - oracle
[oracle@localhost ~]$ cd /database
[oracle@weblogic28 database]$./runInstaller
设置虚拟机的IP地址让主机可以访问虚拟机
1、     NAT方式
1.1     右键单击主机任务栏上的网络连接图标，选择打开网络连接页面
1.2     启动”VMware Network Adapter VMnet8” 和 “VMware Network Adapter VMnet1”这两个连接
1.3     右键单击“本地连接”,选择属性，打开”本地连接属性”对话框，选择”高级”标签,打开高级标签页面，选中选项”允许其它网络用户通过此计算机的internet连接来连接”，然后在”家庭网络连接”下拉列表中选择VMware Network Adapter VMnet8。
1.4     在虚拟机上右键单击你要设置的虚拟机选“setting”（因为有的不止虚拟一台），打开”Hardware”标签页，单击”device”下的ethernet，此时在右边选中NAT：Used to share the host’s IP address. 然后点击确定。
1.5     打开虚拟机上的Edit菜单，选择virtual network settings打开virtual network editor页面，先打开automatic bridging标签页，关闭automagic bridging，点击应用；再打开DHCP标签页，启动DHCP服务，然后点击应用；最后打开NAT标签页，启动NAT服务，然后点击应用；点击确定后退出
1.9     启动虚拟机中的系统。
1.10     设置虚拟机中的系统的IP地址为192.168.100.200，默认网关为192.168.100.1 （VMware Network Adapter VMnet8的IP地址），DNS服务器设置和主机中的DNS服务器一致。
1.11     重新加载网络参数或者重新启动虚拟机中的系统。
1.12设置静态IP地址.
(1).命令行设置(该方式只是临时设置,系统重启后失效)
[1].设置IP和掩码
ifconfig 接口名(如eth0) IP地址 netmask 子网掩码
[2].设置网关
route add default gw 默认网关
[3].设置DNS服务器地址
echo "nameserver DNS服务器地址">/etc/resolv.conf
实例:假设设置eth0的IP:192.168.1.100,DNS:192.168.1.12
ifconfig eth0 192.168.100.200 netmask 255.255.255.0
route add default gw 192.168.100.1
echo "nameserver=192.168.1.12">/etc/resolv.conf
(2).修改文件来实现配置网络(需要重启网络接口重启后IP不会改变)
[1].修改IP地址,文件:/etc/sysconfig/network-scripts/ifcfg-接口名
这里假设网络接口名为eth0.
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 (注:这里填的是网络接口名)
BOOTPROTO=static
ONBOOT=yes (注:是否随系统启动)
IPADDR=192.168.100.200(注:这里填写的是IP地址)
PREFIX=24 (注:这里填写的是掩码的长度)
NETMASK=255.255.255.0
GATEWAY=192.168.100.1( 注:这里写的是网关)就是VMware Network Adapter VMnet8的IP地址
[2].修改DNS
echo "nameserver DNS服务器地址">/etc/resolv.conf
[3].重启网络接口(假设为eth0)
ifup eth0(注:这里写的是接口名)
关闭linux防火墙
（1）重启后永久性生效：
开启：chkconfig iptables on
关闭：chkconfig iptables off
（2）即时生效，重启后失效：
开启：service iptables start
关闭：service iptables stop
linux下Oracle自动启动与停止
1.修改Oracle系统配置文件/etc/oratab
/etc/oratab 格式为： SID:ORACLE_HOME:AUTO
把AUTO域设置为Y(大写)，只有这样，oracle 自带的dbstart和dbshut才能够发挥作用。我的为：
$ORACLE_SID:$ORACLE_HOME:Y
这儿的ORACLE_SID和ORACLE_HOME是oracle用户下的环境变量,在不同的电脑上有不同的值.当你打开/etc/oratab的时候,修改一下就行了.
2.编写服务脚本
在/etc/rc.d/init.d目录下创建oracle文件作为启动脚本,内容如下:容如下:
#!/bin/sh
#chkconfig: 2345
#description:oracle_orcl
# /etc/rc.d/init.d/oracle_orcl
# auto start database orcl instance
#set oracle env
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/oracle/product/10.2.0/db_1
export PATH=$PATH:$ORACLE_HOME/bin
export ORACLE_SID=orcl
ORACLE_USER=oracle
#start or stop script
case $1 in
start)
su - "$ORACLE_USER"<<EOO
lsnrctl start LISTENER
sqlplus /nolog<<EOS
connect /as sysdba
startup
EOS
EOO
stop)
su - "$ORACLE_USER"<<EOO
lsnrctl stop LISTENER
sqlplus /nolog<<EOS
connect /as sysdba
shutdown immediate
EOS
EOO
echo "Usage: $0 {start|stop}"
esac
在oracle用户下输入如上的内容,然后保存退出,由于是启动脚本,需要执行权限;执行命令chmod a+x oracle授予oracle执行权限.
3.建立服务连接
ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc2.d/S99oracle
ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc3.d/S99oracle
ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc5.d/S99oracle
ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc0.d/K01oracle
ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc6.d/K01oracle
或可以通过执行以下命令来实现
chkconfig --add oracle
chkconfig命令运行成功后，在rc2.d，rc3.d，rc4.d，rc5.d下面建立了S99oracle 连接文件，可以在系统启动的时候，运行脚本启动数据库。在rc0.d、rc1.d和rc6.d目录下面建立了K99oracle文件，用于在系统关闭的时候自动运行脚本关闭数据库。可以使用 chkconfig --list oracle 命令查看服务配置，关于chkconfig更多的用法，可以通过man chkconfig查看
4.测试
启动，运行命令:./oracle_linuxdb start
关闭，执行命令:./oracle_linuxdb stop
可以用sqlplus user/passward@tnsname来测试启动和关闭数据库是否成功。现在重新启动linux主机,看数据库是否自动启动了.
这样主机就能访问虚拟机中的oracle数据库了

其实运用Oracle Virtual Box + OEL会使安装数据库变得更加简便。

Simple way for run an application on a pc without OS (window,linux,...)?

i need a simple pdf for a way for run an application on a pc without OS (window,linux,...).

Take a look here, and also note the related links i the bottom http://zone.ni.com/devzone/cda/tut/p/id/2733
Then you are using Labview RT on a PC, a real time OS will be installed in the process. The OS is the PharLap, Real-Time OS . So you will indeed be using a OS
Besides which, my opinion is that Express VIs Carthage must be destroyed deleted
(Sorry no Labview "brag list" so far)

Windows / Linux characters

I am running programs on a Windows/Linux hybrid network and have come across some newline issues. What is the best way to read a file and make sure that it conforms to the native characters? That is, how should I convert a Windows file to Linux format on Linux and vice versa?
Thank you

1) Always explicitly specify the character encoding used when writing text - I use utf-8. Don't rely on the default.
2) Always explicitly specify the EOL - I use "\n" which works with just about anything on both Linux and Windows except for Notepad.

Is there any iPhone simulator available on windows/Linux?

Hello,
I think this is silly to ask because iPhone OS is totally different than others.
Is there any iPhone simulator available on windows/Linux?
Thanks,
Pandit Pakhurde

Hello Pandit,
there is no iPhone simulator for windows or linux. You have to use MacOS.
Greetings
Sodan

Detect programatically if AutoVue DD is installed (Windows/Linux)

Hello,
I need help on detecting if user has AutoVue Desktop Deployment installed (on Windows/Linux OS) via Java. In Windows I thought of looking out registries under "HKEY_LOCAL_MACHINE\Software\" with no success (at least I couldn't find any registry about AutoVue). In Linux I guess I could use something like "whereis" to find autovue.exe but Windows is priority right now. Hope you guys can help me pointing some ways to solve my problem.
Thanks in advance.

Hello,
I agree with you that this may not be an AutoVue specific question, feel free to edit/delete this topic.
Anyway, based on your answer I could find a registry under this location: HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Oracle AutoVue Desktop Deployment
Thank you.

Apple should make a server hardware/OS with iOS level security. This could compete well with the breach infested pre secure OS/hardware server systems like Windows Linux OSX. It should be structurally immune to phishing etc

Apple should make a server hardware/OS with iOS level security. This could compete well with the breach infested pre secure OS/hardware server systems like Windows Linux OSX. It should be structurally immune to phishing etc and could be sold easily as a secure alternative. It should be based on structural hardware based security as has been demonstrated in the iOS operating system and the hardware should be made in secure facilities in the US. Those Chinese put weaknesses into the hardware they make as has been documented on 60 minutes.

Apple's entry in the server market has come and gone - is there a question in there somewhere?

Windows Scheduled Maintenance Task

I want to disable or delete the Windows Scheduled Maintenance Task in windows 7 by GPO in my domain 2012, because it delete old shortcuts in desktop users, but this task isn't in the c:\windows\tasks path, and I can't found it in the registry. Any idea?

> I want to disable or delete the Windows Scheduled Maintenance Task in
> windows 7 by GPO in my domain 2012, because it delete old shortcuts in
> desktop users, but this task isn't in the c:\windows\tasks path, and I
> can't found it in the registry. Any idea?
Run
schtasks /change /tn microsoft\windows\diagnosis\scheduled /disable
in a startup script.
Martin
Mal ein
GUTES Buch über GPOs lesen?
NO THEY ARE NOT EVIL, if you know what you are doing:
Good or bad GPOs?
And if IT bothers me - coke bottle design refreshment :))

Leave the choice of the operating system to the consumer (Windows, Linux, no OS-)

I recently bought a new Acer laptop. I stopped using Microsoft Windows more than 10 years ago (I am a happy Ubuntu Linux user). However, when I bought my laptop, I was forced to buy it with Windows 8.1 pre-installed on it. I told the salesman I didn't need Windows 8.1 and even if it was pre-installed, the first thing I would do would be to format the hard drive and put Ubuntu Linux on it. In the end, I still had to buy it (and therefore buy a Microsoft product I will never use). I think it would be very beneficial for customers if they could choose the Operating System of their choice (or no OS at all) when buying a new computer. Of course you could still tell that the computer has been only tested and validated with a given version of an Operating System and that there will not be any technical assistance if another OS is used on a given computer. For information, in many countries in Europe, it's illegal to force people to get something when they buy something else. This is unfortunately still what is happening in 2014 in the laptop/desktop World because of Microsoft monopoly.

ML2014: I too would like to consider implementing UBUNTU on an old Acer portable with an AMD processor and a 60GB built in drive that has a known maximum address space of 2gb. It is currently using the Windows XP operating system it came with but in March 2014 Microsoft plans to discvoninue all support. Hopefully they will not take down the text archives on the corporte web, but I would not put it past them to perpetrate that crime. I'm a retired once certified Microsoft Professional that still has an identity on the web set up some years ago. (I forget how many) but Putting UBUNTU on an older portable like the one I have seems like a sensible option when compared to keeping it in a maintenance limbo. I sprang for a new LI-Ion battery for it last year and it is stable as a rock right now, but not used very much and I would like to put it in the hands of an Open Source based Non Profit I work with once it is properly set up and configured so that their one-year VISTA folks can have yet another computer to use in the field. It connects to the local urban free wireless internet and the password protected wifi server in the offices under Windows XP and I do not have a clue about UBUNTU, it would be a learning project for me. Have you come to a decision regarding UBUNTU for your portable. Mine is an ACER 5000.

Completely random restarts (windows + linux)

Hey,
I put together a system (see sig) for a friend, anyway they started complaining about random restarts using winxp (with or without either service pack). Cutting a long story short, we RMA'd the motherboard, got a replacement, and the problem persisted.
Basically this is a list of things that has been observed to happen
1) Randomly reboots during winxp install (not connected to the internet, harddrive virus free did a complete scan and alternated b/n linux / windows installs, ie filesystem changed -> no virus)
2) Reboots under windows randomly, can be when surfing the net, ripping cds (this is the best test to make it happen), or just sitting idle (went to get a drink and it had done it). I tried to disable the "Automatic restart on fatal error" in the advanced settings thing, that did nothing, so im fairly certain that its a hardware issue after that.
3) Reboots during Gentoo Install (I figured I should stress test it), the reboots occur at different places depending on the settings changed, and detailed below, but inevitably it always reboots.
4) Occasionally winxp will fail to load, or givea a BSOD before rebooting, but this has happened maybe 5 times in hundreds of random restarts, the error messages are not in reference to anything in particular, nor could I garuntee the ability to get a copy of one to show you.
I spent most of yesterday digging around these forums reading suggestions etc...
The following is a list (i took notes) of what I have tried (this is long I know, im sorry)
1) Different PSU
Originally the PSU was the stock standard that came with the sonata http://www.antec.com/specs/true380_spe.html which at 380W seemed a little low (this was before reading forum posts), so replaced it with the one in the sig -- Not a PSU problem.
2) Different RAM
Figured since a second replacement board had the same problem it could be the RAM, tried RAM from my machine which I know is working perfectly, reboot as normal. Hmm so I did a memtest86 scan on the memory left it running 48hrs, that lets memtest86 loop about 7 times (for anyone interested) there was not a single error. -- Not a RAM defect.
Started reading forums here
3) Different Harddrive / Optical Drive
Tried a 120G sata maxtor drive (which I know works), reboots persisted.
Tried a DVD-ROM, from my machine, reboots persisted.
4) Measured the voltage with multimeter, all voltages were within 1% of the spec.
5) Put some thermal (arctic silver 5) compound on the cpu / heatsink, but the temperature under stress test never goes above 51 degrees anyway. Not at all out side the operational conditions for a P4 3.0.
6) Ram Timings / placement
If I leave as SPD, reboots occur more quickly, setting timings to 2.5-3-3-7 burst 8 gives me longer until the reboot occurs, however it still eventually occurs. I have tried running the ram in single channel mode (with both sticks in the same channel), dual channel mode 1 3 and 2 4 have been tested, and by only having one stick in at a time (
7) Ram voltage
I kept alternating b/n SPD and the above timings as I moved the RAM voltage 2.60 - 2.65 - 2.70 - 2.75 (I haven't gone any higher yet as thats the red zone, ie 2.80), the best times I experienced for a gentoo install were with 2.70 / 2.75 however after 20 to 25 minutes of compiling the machine restarts. I couldnt get the machine to restart ripping cds on this setting, but thats probably because I lost interest in ripping over and over again after the 5th time, I did get to 10th rip once, only to have it restart.
8) Clock Frequencies
Tried setting FSB to 201 (as some threads recommend), didnt help. Tried setting RAM speed at 266, 333, 400, and auto, the lower the speed the longer until a reboot, but only a minute or two is gained by 266 over 400. All this is done on the NORMAL (meaning SLOW on older boards) setting.
10) Video card
Originally there was just some old PCI card I had laying around in the machine (lack of money), however now (see sig), either way reboots occured, the video card was my 3rd suspect, motherboard, ram, video, psu, .... etc...
Thats it.
Now, I saw some people commenting (when I was reading the threads) that they wondered if this batch of boards was bodgey, no one seemed to want to agree, however after trying suggestions from over 100 threads (do a search for random reboot if you dont believe me) and not actually getting any success, and having had this happen over TWO of the SAME board, im really beginning to think that is the case. Some of the search results were PSU based, granted, so lets knock off 50% that leaves about 50 cases of this incident which haven't actually been resolved.
Im not playing blame game, it just seems very likely to me, but if someone gives me a solution that works, ill appologise profusely, and go and buy the MSI K8N Neo2 Platinum that ive been wanting -- but to scared from this situation, to actually buy.
This problem is remarkably similar to Random PC reboot this, except im not able to actually produce the windows errors as noted at the top.
So... Please HELP !!!!!

1st of all, kudos to you mate, now this is the proper way to ask for help!
but looks like you've tried everything other than hitting it with great force with a piece of 4 by2.
only thing i can ask is if you've tried increasing the vAGP in bios, this doesnt really increase the voltage to your agp (well, it does) but more to the point, it increases the voltage to the motherboard chipset. you've mentioned that youve put as5 on the cpu, it might be worth trying a clean and application under the northbridge too (though they do coat it with some cr@p so much its a bit of work sometimes getting it all off)..
another thing, though this shouldnt help, is to try increasing the vCore to the cpu just a tad, most intel boards' voltages vary a fair bit, some say its due to a special functionalities withing the processor itself, but most say that this hasnt been implemented.
other than that, best of luck to ya
p.s. or you could go get a cheap 865 board as a replacement, i wouldnt upgrade to a64 yet with nforce4 (nvidia) + xpress200 (ati) mobos just around the corner as well as 90nm a64 processors with sse3 instuctions too

De Windows à Linux, maintenant ?

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