create bootable usb from iso in windows
Posted on September 30, 2011
This guide will show you how to create a windows bootable usb drive using free software WintoFlash which support xp vista and windows 7,you can select to create this bootable usb from your installation CD/DVD or iso image file.
Requirements to create bootable usb from iso in windows
- 1.4G+ usb drive (2G will be ok for windows xp)
- 2.windows installation iso file
- 3.Software can mount iso as virtual drive(eg:Daemon tools) or unzip iso file(eg:7-zip )
Steps to create windows bootable usb
1.Insert your usb drive to your computer and backup useful data from usb to a safe place because below step will format your usb drive
2.Download the latest WintoFlash from http://wintoflash.com/download/en/
3.Use 7-zip to extract your windows installation iso file or use Daemon Tool to mount it as a virtual drive
4.Open program Wintoflash (run as administrator if you are using Vista or 7) and f0llow then instructions to create your bootable usb from iso.
5.Done and now you can reboot your computer and setup BIOS to boot from this bootable usb to install your new OS
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Change wallpaper in windows 7 starter
Posted on September 25, 2011
By default ,Windows 7 does not include the function to let user change wallpaper or background,normally we can use 3-rd party applications or tweak registry to change wallpaper in windows 7starter
Method 1:To change wallpaper / desktop background using 3-rd party tools in windows 7 Starter
You can download Personalization Panel to change your desktop wallpaper in windows 7 starter,you can refer below link with screenshots.
Personalize windows 7 starter / Home basic
Method 2:To change wallpaper / desktop background by tweaking your registry in windows 7 starter
Please refer below post :
Windows 7 starter change wallpaper
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windows 7 disable hibernation
Posted on September 17, 2011
On a laptop of windows 7, Hibernation is enabled by default to save power so that the battery can last longer,if you do not need this feature,please follow below steps to enable or disable hibernate in windows 7.
1.Click Start , type cmd in the search box then press Enter to open a Command Prompt
2.Type in the following command and press Enter to disable Hibernation feature in windows 7.
Note:1.This will also remove your hibernation file hiberfil.sys which locates under C:\
2.To turn of hibernation ,just use command powercfg -h on
powercfg -h off
3.To keep hibernation feature enabled but turn off hibernation in you power plan,pls
a)Go to Control Panel(Small icons view),open Power Options then open Advanced Power settings
b)Expand to Sleep– Hibernate after to set the value to 0 (zero) to turn off hibernation in windows 7
c)Click OK to save change
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Fix copy / paste issue between vnc and windows
Posted on September 13, 2011
If you experience copy / paste issues between your vnc and windows,please see below checklist to troubleshoot.
1.Make sure you enable copy / paste feature in your vnc viewer options.(Send clipboard changes to server and Accept clipboard changes from server)
2.Make sure your have run process vncconfig on your linux /unix server .If not,just run command “vncconfig -nowin &” ,also I suggest to put this command to your xstartup files
vncconfig nowin &3.If you only cannot copy / paste in gvim or other GNU tools,you need to replace “vncconfig nowin &” with “vncconfig -poll 1000 nowin&” (Seems this is a bug of Realvnc)
vncconfig -poll 1000 -nowin &
4.If you can copy / paste between vnc and your windows at the beginning,but cannot after a while,you need to close your vncviewer,then re-connect again.
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Show system files in windows 7
Posted on September 12, 2011
A system file is any file on your computer that’s essential for running Windows. System files are usually found in the Windows folder or the Program Files folder
System files are hidden by default. It’s best to keep system files hidden to avoid accidentally modifying or deleting them. If you need to view your system files.
1.Launch Folder Options window from Windows Explorer (In top left pane,click Organize then Folder and Search Options )
2.In Folder Options window,go to View tab,under Advanced settings,clear the check box of Hide protected operating system files (Click Yes on the prompt warning window)
3.Click Apply then OK .(Please hide the system protected files and folders again after you finish your job).
Tip:Use the same way you can show hidden files and folders in windows 7 (Clear the check box of show hidden files ,folders and drives)
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windows 7 desktop icons missing / disappear
Posted on September 9, 2011
If you found all the icons disappeared from you desktop,you must hided them by mistake.
To restore the missing desktop icons ,just right-click your desktop,go to view then check show desktop icons
The same way,you can restore your missing gadgets by checking show desktop gadgets
Tip:You also can right-click an empty area on the desktop then go to view to change desktop icon size in windows 7
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Enable or disable built-in administrator account in Windows 7
Posted on September 1, 2011
Note:To enable or disable the built-bin administrator account in windows 7,you must already get the administrators privilege.
1.Right-click My Computer and click Manage
2.In the left pane,browse to Local Users and Groups / Users
3.In the right pane of Users ,double click Administrator ,check or clear the check box of “Account is disabled” to disable or enable administrator account in windows 7.
Tip:1.You also can use command line or Local Security Policy Editor the enable or disable administrator account in windows 7,refer below post
Enable or disable administrator account in windows 7
2.If you want to only hide administrator account from logon screen ,you can refer
Hide user account from welcome screen in windows 7
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How to fix backspace/delete mapping issue in vim
Posted on May 28, 2011
Several day’s ago,some of my clients switched from Solaris vnc server to Linux vnc server,and I was reported that the backspace did not work in vim.The symptom is when user press backspace,vim translate it to “^?”.
Some suggestions from the linux forum is to “set backspace=2″ and “set nocompatible”, but this does not work for me.
At last I found touch a file .vimrc under home directory and add line “set term=ansi” to this file works like a charm.
But I’d like to know if there are ways to fix this issue on system-wide,if anyone know,please let me know,thanks.
31% vim -help |head -1
VIM - Vi IMproved 7.0 (2006 May 7, compiled May 11 2006 14:37:46)
% cat ~/.vimrc
set term=ansi
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Modify/change gnome setting/configuration global/system-wide using gconftool-2
Posted on May 28, 2011
I am managing some linux servers,users access these server via VNC.By default ,some users complained that the gnome will lock screen with in 10 minutes and require user to input password to unlock.
Actually user could change this setting of gnome themselves,but in order to avoid new users meet this gnome issue again,it’s better to change this gnome setting on system-wide(global).After checking on gnome’s documentation,I found we can do this using command gconftool-2.
I use the bellow command to disable the gnome’s screen saver’s setting on system-wide.
gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --type int --set /desktop/gnome/peripherals/keyboard/delay 1200
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How to remove blank empty lines in unix/linux
Posted on March 10, 2010
I found 6 ways can do it,if you know others ,pls let us know.
Please see below code for detail.
bash-2.05a$ cat test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ grep '.' test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ grep -v '^$' test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ sed '/^$/d' test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ sed -n '/^$/!p' test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ awk '/./' test.txt aaaaaaa bbbbbb cccccc bash-2.05a$ awk NF test.txt aaaaaaa bbbbbb cccccc bash-2.05a$
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