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Replace "sudo echo >" with "echo | sudo tee" (#821)

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"sudo echo > " will not work as the current shell will make the redirection and it doen't have the root privileges
This commit is contained in:
claudex
2019-09-24 09:52:37 -07:00
committed by michael vincerra
parent 1806ec04dd
commit d0de8ee64a
1 changed files with 7 additions and 7 deletions
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source/guides/network/dpdk.rst
+7 -7
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@@ -144,14 +144,14 @@ packet buffers.
.. code-block:: bash
sudo echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
echo 1024 | sudo tee /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
#. Allocate pages on NUMA machines.
.. code-block:: bash
sudo echo 1024 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
sudo echo 1024 > /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
echo 1024 | sudo tee /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
echo 1024 | sudo tee /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
#. Make memory available for DPDK.
@@ -302,10 +302,10 @@ machines control the NICs on the host.
.. code-block:: bash
sudo echo "8086 1521" > /sys/bus/pci/drivers/pci-stub/new_id
sudo echo "0000:03:00.0" > /sys/bus/pci/drivers/igb/unbind
sudo echo "0000:03:00.0" > /sys/bus/pci/drivers/pci-stub/bind
sudo echo "8086 1521" > /sys/bus/pci/drivers/pci-stub/remove_id
echo "8086 1521" | sudo tee /sys/bus/pci/drivers/pci-stub/new_id
echo "0000:03:00.0" | sudo tee /sys/bus/pci/drivers/igb/unbind
echo "0000:03:00.0" | sudo tee /sys/bus/pci/drivers/pci-stub/bind
echo "8086 1521" | sudo tee /sys/bus/pci/drivers/pci-stub/remove_id
#. Assign the unbound NICs to the KVM virtual machine (guest).
Modify the :file:`start_qemu.sh` script in `qemu-system-x86_64` arguments, and