Category Archives: commands

OVM image file backup with tar and pigz to speed up archive process

After installing Oracle Fusion Application 11.1.7 on my OVM Server 3.2.6, I end up with at least 500Gb file for my Oracle VM. I almost spend 2 full days to install it, due to the *very long* installation process. So, … Continue reading

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Installing an Oracle Database on Oracle Linux

You can use an Oracle VM template to get a running Oracle clustered database in less than 10 mn (excluding VM images download time). But sometimes, it is useful to have our own custom DB instance for testing purpose. Here … Continue reading

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Can’t open /dev/sdb1 exclusively. Mounted filesystem?

I got this error when I tried to add a volume group in my VBOX Linux (guest) environment using the following command: Listing all my disk show this Strangely /dev/dm-5 matche the new disk that I have declared and then … Continue reading

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Mounting filesystem: sample commands

Mounting file system Mounting NFS share on windows : sudo mount -t cifs // /mnt/a -o user=Chenda sudo mount -t cifs // /mnt/backup -o user=admin,rw,iocharset=utf8,file_mode=0777,dir_mode=0777 sudo mount -o loop /mnt/driveA/oracle-products/os-image/dvd.iso /mnt/cdrom/ NFS share sudo mount -t nfs /mnt/u01/ -o … Continue reading

Posted in commands, Linux

Adding unix user & group

Below some useful command to add user & group in Linux. This might be usefull when installing multiple middleware version on the same machine. For example, here i create a unix accounto handle my middleware installation for SOA Suite … Continue reading

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