Samba - Failed to add entry for user

Síntoma:

Al crear un usuario con samba sale Failed to add entry for user


$ sudo smbpasswd -a usuariowindows
New SMB password:
Retype new SMB password:
Failed to add entry for user usuariowindows

Solución:

El error se produce por que no sea ha creado un usuario del sistema.

$ sudo adduser usuariowindows
$ sudo smbpasswd -a usuariowindows

Capacidad Bluray

Type	Diameter (cm)	Layers	Capacity
			Bytes	GB
Standard disc size, single layer	12	1	25,025,314,816	25.0
Standard disc size, dual layer	12	2	50,050,629,632	50.1
Standard disc size, XL 3 layer[70]	12	3	100,103,356,416	100.1
Standard disc size, XL 4 layer[70]	12	4	128,001,769,472	128.0
Mini disc size, single layer	8	1	7,791,181,824	7.8
Mini disc size, dual layer	8	2	15,582,363,648	15.6

Fuente: Wikipedia http://en.wikipedia.org/wiki/Blu-ray_Disc

Capacidad DVD's

Capacidad DVD's

Capacity and nomenclature^[18][19]
SS = single-sided, DS = double-sided, SL = single-layer, DL = dual-layer

Designation		Sides	Layers (total)	Diameter (cm)	Capacity
					(GB)	(GiB)
DVD-1[20]	SS SL	1	1	8	1.46	1.36
DVD-2	SS DL	1	2	8	2.66	2.47
DVD-3	DS SL	2	2	8	2.92	2.72
DVD-4	DS DL	2	4	8	5.32	4.95
DVD-5	SS SL	1	1	12	4.70	4.37
DVD-9	SS DL	1	2	12	8.54	7.95
DVD-10	DS SL	2	2	12	9.40	8.75
DVD-14[21]	DS SL+DL	2	3	12	13.24	12.33
DVD-18	DS DL	2	4	12	17.08	15.90

Fuente: Wikipedia http://en.wikipedia.org/wiki/DVD

Error ox0070643

Sintoma:

• Al instalar AVG Aniti-Virus Free Edition 2012 
• En el Sistema Operativo Windows 7 
• Error, no se deja instalar mostrando el código de error 0x0070643.

Solución:

• Ejecutar el el AVG Remover
• Que se puede descargar desde http://www.avg.com/ww-en/utilities

lock wait timeout exceeded try restarting transaction

Para resolverlo ejecutar:

ROLLBACK

ó

COMMIT

Para más información http://systemadmin.es/2011/12/lock-wait-timeout-exceeded-try-restarting-transaction

Yum - Comandos utiles

yum install
yum remove
yum update

yum search
yum info
yum list
yum list installed
yum provides

yum grouplist
yum groupinstall
yum groupupgrade
yum groupremove

yum repolist
yum repolist all
yum --enablerepo=fedora-source install

yum shell

Using Yum from the Command Line

The following table shows some examples of common tasks that you can perform using yum.

Command	Description
yum repolist	Lists all enabled repositories.
yum list	Lists all packages that are available in all enabled repositories and all packages that are installed on your system.
yum list installed	Lists all packages that are installed on your system.
yum list available	Lists all packages that are available to be installed in all enabled repositories.
yum search string	Searches the package descriptions for the specified string.
yum provides feature	Finds the name of the package to which the specified file or feature belongs. For example: yum provides /etc/sysconfig/atd
yum info package	Displays detailed information about a package. For example: yum info bind
yum install package	Installs the specified package, including packages on which it depends. For example: yum install ocfs2-tools
yum check-update	Checks whether updates exist for packages that are already installed on your system.
yum update package	Updates the specified package, including packages on which it depends. For example: yum upgrade nfs-utils
yum update	Updates all packages, including packages on which they depend.
yum remove package	Removes the specified package. For example: yum erase nfs-utils
yum erase package	Removes the specified package. This command has the same effect as the yum remove command.
yum update	Updates all packages, including packages on which they depend.
yum clean all	Removes all cached package downloads and cached headers that contain information about remote packages. Running this command can help to clear problems that can result from unfinished transactions or out-of-date headers.
yum help	Displays help about yum usage.
yum help command	Displays help about the specified yum command. For example: yum help upgrade
yum shell	Runs the yum interactive shell.

See the yum(8) manual page for more information.

To list the files in a package, use the repoquery utility, which is included in the yum-utils package.

For example, the following command lists the files that the btrfs-progs package provides.

# repoquery -l btrfs-progs
/sbin/btrfs
/sbin/btrfs-convert
/sbin/btrfs-debug-tree

Note

yum makes no distinction between installing and upgrading a kernel package. yum always installs a new kernel regardless of whether you specify update or install.       

Ver más información en http://www.thegeekstuff.com/2011/08/yum-command-examples/

Más información en https://docs.oracle.com/cd/E37670_01/E37355/html/ol_creating_yum_repo.html

Windows 7 Error en Windows Update

Síntoma:

• Se tiene instalado Windows 7.
• No se puede encontrar actualizaciones a través de Windows Update, a pesar de que el Windows sea original y este activado.
• El código de error que manda Windows Update 0xC000222.

Solución:

• Ejecutar cmd.
• Ejecutar winver.
• Si la versión de Windows es Windows 6.1 Build 7600 es igual a Windows 7 sin service packs, hace falta instalar el Sevice Pack 1.
• Descargar el Windows 7 SP1 de: http://www.microsoft.com/es-es/download/details.aspx?id=5842
• Descargar el 7601.17514.101119-1850_Update_Sp_Wave1-GRMSP1.1_DVD.iso
  quemalo y te servirá para todas las arquitecturas  (IA, x64, x86)
• Una vez instalado, en la línea de comandos cmd teclea winver y verás que versión de Windows instalada será Windows 6.1 Build 7601 es igual a Windows 7 SP1.

Descargar Windows 7 SP1

Para descargar el Windows 7 SP1 hay que seguir las instrucciones disponibles en:
http://windows.microsoft.com/es-es/windows7/learn-how-to-install-windows-7-service-pack-1-sp1

Que dirigirá al sitio para descargar el Windows 7 SP1 de:
http://www.microsoft.com/es-es/download/details.aspx?id=5842


7601.17514.101119-1850_Update_Sp_Wave1-GRMSP1.1_DVD.iso 1.9 GB
Windows_Win7SP1.7601.17514.101119-1850.AMD64CHK.Symbols.msi 262.7 MB
Windows_Win7SP1.7601.17514.101119-1850.AMD64FRE.Symbols.msi 287.8 MB
Windows_Win7SP1.7601.17514.101119-1850.IA64CHK.Symbols.msi 241.8 MB
Windows_Win7SP1.7601.17514.101119-1850.IA64FRE.Symbols.msi 193.4 MB
Windows_Win7SP1.7601.17514.101119-1850.X86CHK.Symbols.msi 294.5 MB
Windows_Win7SP1.7601.17514.101119-1850.X86FRE.Symbols.msi 330.6 MB
windows6.1-KB976932-IA64.exe 511.6 MB
windows6.1-KB976932-X64.exe 903.2 MB
windows6.1-KB976932-X86.exe 537.8 MB

La respuesta podemos encontrarla en:
http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/0c260197-950a-4dd7-b277-3ed033242b7a/

Para rápido descarga el

7601.17514.101119-1850_Update_Sp_Wave1-GRMSP1.1_DVD.iso
quemalo y te servirá para todas las arquitecturas  (IA, x64, x86)

Nota:
Windows 6.1 es igual a Windows 7

6.1 es la versión de Windows y "Windows 7" es el nombre para mercadeo.

Windows 6.1 Build 7600 es igual a Windows 7
Windows 6.1 Build 7601 es igual a Windows 7 SP1

En la línea de comandos CMD teclea winver y verás que versión de Windows tienes.

Hardware - Unidad de DVD lee CD's pero no DVD's

Solucionado Unidad de DVD lee CD's pero no DVD's

¿Problemas con la unidad de DVD?

La unidad ¡Sí lee cd's pero no lee dvd's!

Buscando en Internet encontré la respuesta en el enlace http://www.saibharadwaj.com/blog/2011/05/solved-dvd-drive-reading-cd-but-not-dvd/

Probado en Windows Vista y Windows 7 Professional

For Windows Users:
1. Click Start.
2. Click Run.
3. In the “Open” field type REGEDIT.
4. Click OK.
5. Click “File” in the menu bar.
6. Click “Export” from the drop down menu this will open a new box.
7. Click the down arrow beside “Save In” and select “Local Disk (C”.
8. In the File Name field type BACKUP.REG.
9. Verify that under the “Export Range”, that the radio button is beside “All”.
10. Click Save.
11. Click the plus sign (+) beside HKEY_LOCAL_MACHINE.
12. Click the plus sign (+) beside System.
13. Click the plus sign (+) beside CurrentControlSet.
14. Click the plus sign (+) beside Control.
15. Click the plus sign (+) beside Class.
16. In the left hand window pane click on {4D36E965-E325-11CE-BFC1-08002BE10318} to select that key.
17. In the right hand window pane select the UpperFilters registry key and press the delete key on the keyboard.
18. Confirm with an OK.
19. In the right hand window pane select the LowerFilters registry key and press the delete key on the keyboard.
20. Confirm with an OK.
21. Click the “X” in the upper right hand corner of the Registry Editor window to close it.
Restart your Computer in order for the DVD drive to work. Once your computer has been restarted, you can now read both DVDs as well as CDs on your DVD drive.

Es iTunes o VLC lo que pudiera provocar el problema

Letras con iTunes

El software es MiniLyrics

http://www.crintsoft.com/

---

La versión gratuita no le pide nada a la versión de pago.

 

Software de letras de cancionespara iTunes, Windows Media Player, Winamp, etc. 

 

Muestra letras de desplazamiento, puede seguir junto con el artista y captar cada palabra. 

 

Automáticamente buscar y descargar letras de canciones. 

 

Letras base de datos enorme, y se está expandiendo día a día. 

 

Descargue y guarde sus archivos de letras en las canciones, lo puedes ver en tu iPod o iPhone.

 

Se puede descargar  desde http://www.crintsoft.com/