How to check a Hard Disk’s health status
You can check the health of your hard disk by using a command in Windows (S.M.A.R.T.).
- Start a cmd window
- wmic
- diskdrive get status
This should output the following result:
status
ok
ok
How to create a bootable usb to install Windows X
Firstly, insert your USB (WARNING: the following steps will erase ALL DATA on selected USB!!).
Open a cmd prompt and type “diskpart” to start the partitioning program:
[bash]list disk # <– to list the disks on the system
# Disk ### Status Size Free Dyn Gpt
# ——– ————- ——- ——- — —
# Disk 0 Online 931 GB 3072 KB
# Disk 1 Online 1944 MB 0 B
# Disk 2 Online 7498 MB 0 B <– this will be our selected disk
select disk 2
# Disk 2 is now the selected disk.
clean
# DiskPart succeeded in cleaning the disk.
create primary partition
# DiskPart succeeded in creating the specified partition.
select partition 1
# Partition 1 is now the selected partition.
active # <– make the partition active
# DiskPart marked the current partition as active.
format fs=ntfs quick
assign # <– assign a letter to the drive
# DiskPart successfully assigned the drive letter or mount point.[/bash]
Your drive is now ready to copy a loaded iso DVD of your version of Windows.
How to fix VB application not running on Windows Vista, 7 or 8
Older VB application built on VB 5 or 6 may not work properly under the newer versions of Windows Vista, 7 or 8. The app may even require specific dll or other file to be registered on the system.
- You may need to register MSCOMCT2.OCX and/or COMCTL32.OCX
- For a 32bit system run as follows:
[text]Regsvr32 MSCOMCT2.OCX[/text] - For a 64bit system run this:
[text]Regsvr32 c:\windows\SysWOW64\MSCOMCT2.OCX[/text]
Do the same for other files if needed.
Useful Linux/Dos Commands
Navigation:
[bash]cd /usr/local/i-net\ crystal-clear #use \ (backslash) to replace space in path
ls #list dirs/files of current path, normal column-view
dir #dos
dir /q /a:r|h|s #to list dirs and files with attributes and owners
dir /-n #to list dirs and files with their short 8.3 names
dir /x #to list dirs and files with short 8.3 names and long names
ls -x #to list dirs/files wide-view
dir /w #dos
history #lists the recently executed commands by logged in user
!! #executes the last command that was executed
!985 #executes the command numbered 985
!ls #executes the command stringed ‘ls’
find . -name data*.xml #find all matches within current dir and below
cp /source/file /dest/path/ #copy source file to dest-path
copy c:\source\file c:\dest\path #dos
cp -r #copy source to destination, including directories
copy /r #dos
cp -rT /source/path /dest/new-path
#copy source to newly destination (create) including contents
rm -Rf * #delete all in current dir (R = recursive, f = force)[/bash]
Network:
[bash]./ifconfig #command to display interface devices info
ipconfig #dos
/sbin/ifconfig #RedHat or CENTOS command
./ifconfig eth0 192.168.0.10 #command to set eth0 with new ip address
wget ftp://url_Link #url file retriever, i.e. non-interactive download from ftp link[/bash]
Executable/Archive:
[bash]rpm -ivh ./nameOfFile.rpm #executes an executable file, i=install, v=verbose, h=show descriptions while install
cpio -idv < nameOfArchive.cpio #extract a cpio archive file into current dir
ls | cpio -ov > nameOfArchive.cpio #pack listed files into a cpio archive
unzip ./source.zip -d ./destDir #extract the file source.zip from current dir to the destDir in current dir
tar -zxvf ./source.tar.gz #will do in current dir
tar -C /myfolder -zxvf source.tar #will extract to myfolder dir
java -jar setup.jar #execute a jar file using java
lsof -wni tcp:9000 #show the process using port 9000[/bash]
System:
[bash]uname -a #outputs the ‘system info’
ps -A #show all processes running on system
kill -9 22017 #kill a process with PID=22017[/bash]
Multi-Commands:
Send a command to the background: add ” &” to end of each/the command
Send a command to the background, but wait for previous to complete: add ” &&” to end of each/the command
Separate command sequences: add ” ;” between the commands
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