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Id 83 83 83 using barcode generating for .net framework control to generate, create quick response code image in .net framework applications. Microsoft Office Official Website System Linux Linux Linux The basic idea is to make a swap partition of 512MB (for this example) and use the rest of the disk for the root partition. Fo on using fdisk, see The Linux Documentation Project"s fdisk section in the partitioning article at:

html . Our commands appear in bold in Listing 5.29 .

Notice that we use rint the existing partition table and the command n to create two n ew partitions. We specify both partitions as primary part numbers 2 and 3, respectively. We use partition 2 as a swap partition and partition 3 as a root partition.

We start both parti available block, the default, by pressing the Enter key. We make the swap partition"s end block be 512MB more than its star the drive for the root partition by using the end block as the last available block, the default, again by pressing Enter. We us explicitly change the t ype of the swap partition to 82, which corresponds to Linux (swap).

We again print the partition with check our work. Finally, we use the w command to w rite the partition table changes to disk..

We now have three Visual Studio .NET QR Code ISO/IEC18004 partitions: /dev/sdb1 we resized to contain the existing data on this disk, and then two blank partitions plan to use for the new guest"s swap space, and /dev/sdb3 , which we plan to use for the new guest"s root file system. To u we first need to format them.

To do this, we use the mkfs tool on the root partition and the mkswap tool on the swap partitio. mkfs The mkfs command i qrcode for .NET s short for make file system . mkfs and its family of commands (that is, mkfs.

ext2 , mkfs.ext3 , mkfs. used to build a file system on a device, typically a blank hard drive partition.

We use mkfs here to build a file system on our For this example we use the ext3 file system, which is a robust, journalled file system commonly used as the default file sys command mkfs with the -t ext3 option or equivalently the mkfs.ext3 command formats the virtual disk partition to be an e 5.30 shows the results of running mkfs.

ext3 on the root partition (sdb3 ) we created with fdisk . Listing 5.30.

Using the mkfs Command to Format the Root Partition to ext3. [root@dom0]# mkfs. ext3 /dev/sdb3 mke2fs 1.40-WIP (14-Nov-2006) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 526944 inodes, 1052257 blocks 52612 blocks (5.

00%) reserved for the super user First data block=0 Maximum filesystem blocks=1077936128 33 block groups 32768 blocks per group, 32768 fragments per group 15968 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 32 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. [root@dom0]#.

Next, we need to format our swap partition. For this we use the mkswap tool. mkswap Swap space is used .net framework qr bidimensional barcode when programs running in the system want to use more memory than is physically present on the syste portions of the programs (referred to as pages ) can be paged or swapped out to disk when they are not in use, thus allowin require more memory to still run..

As discussed in ea rlier chapters, physical random access memory (RAM) is typically the limiting factor when trying to create you can give each guest less real RAM, which is hard allocated to the guest, and use more swap, it means you can make mo space on disk is cheaper than adding more memory, but is also slower. If the pages on swap are rarely accessed, you may g worlds as inexpensive as disk space and almost as fast as memory. Fast cheap disks to attach and dedicate to swap means more, smaller actual RAM-consuming guests into a system, because the guests will swap efficiently to the disk, keeping only each guest in actual RAM.

However, if all the pages are used frequently, system performance can slow to a crawl as guests s moving pages on and off the disk. Finding the right balance often requires some trial and error..

The mkswap command .NET QR Code JIS X 0510 is short for make swap area and is used to set up a Linux swap area. The mkswap command takes a de.

partition, as an a rgument. We pass the swap partition (partition number 2 as created previously with fdisk) to mkswap to for our example. Listing 5.

31 shows the mkswap call and its output. Listing 5.31.

Using mkswap to Format the Partition as Swap Space. [root@dom0]# mkswa .NET qr-codes p /dev/sdb2 Setting up swapspace version 1, size = 518184 kB no label, UUID=f16b5879-0317-4773-bc24-73efa13c5a22 [root@dom0]#. Now that we have b oth of our new partitions formatted, we can mount the root file system, populate it, and make some cus setup. Listing 5.32 shows the commands to create a temporary directory as a mount point and to mount the root file system make a temporary directory to mount the partition we will use for the guest; then we use the mount command to mount the directory.

Listing 5.32. Mounting the Root File System.

[root@dom0#] mkdir .NET QR-Code /mnt/guest_tmp [root@dom0#] mount /dev/sdb3 /mnt/guest_tmp [root@dom0#]. Now that we have m ounted the root file system we will unpack the contents of the tar file that we downloaded from the rPat example, let"s assume we have downloaded the Compressed Tar File version of the Openfiler appliance to /xen/downloads/ how to extract the tar file to the root partition that we created and mounted to /mnt/guest_tmp . First we change directory then we use the tar command to extract the tgz (tar and gunzip"d) file. After the file has been extracted, we list the conten and see the familiar Linux directories.

Listing 5.33. Populate the Root File System.

[root@dom0]# cd /m qr-codes for .NET nt/guest_tmp/ [root@dom0]# tar xzf /xen/downloads/openfiler-2.2-x86.

tgz [root@dom0]# ls bin dev home lib media opt root srv tmp boot etc initrd lost+found mnt proc sbin sys usr [root@dom0]#. Now that we have t he root file system populated, we need to take a look at the file system table file (/etc/fstab ) to find o expects partitions to be set up, and adjust accordingly. Listing 5.34 shows the contents of the fstab file for the Openfiler file unpacked.

We use the cat command to display the output of the etc/fstab file contained within the guest that we have pre.
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