# Installation guide O-DU High version 4.0.0 F release
Resource:
- [O-DU High Installation Guide](https://docs.o-ran-sc.org/projects/o-ran-sc-o-du-l2/en/latest/installation-guide.html)
# 1st stage the libraries installation
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Following the instruction from the installation guide, I figured it out that in the Linux terminal no need to use commands GCC, LKSCTP, and PCAP to install the libraries. It only causes fatal mistakes. Needs to add this notice to the guide.
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# 2nd stage cloning code
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The instruction from the - [Resource](https://docs.o-ran-sc.org/projects/o-ran-sc-o-du-l2/en/latest/installation-guide.html) provides wrong link (https://gerrit.o-ran-sc.org/r/o-du/l2) to use in the terminal. It will not work only will cause mistakes. The right link must be copied from the Github https://github.com/o-ran-sc/o-du-l2.git
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# 3st Setting up Netconf server
In the whole commands cd <O-DU High Directory>/l2/build/.... needs to replace **/l2/** by **/o-du-l2/** is correct address. It will allow to run following commands without delays and mistakes.
# 4st Compilation
Also replace the same address to avoid similar issues.
- [The all my progress for today HTML version](https://drive.google.com/file/d/1qWN-wqouYhvBzPQqrq-lWNT-L704XEBs/view?usp=sharing)
## FDD+Radio mode
##Clean binaries
make clean_odu MACHINE=BIT64 MODE=FDD
make clean_cu NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
make clean_ric NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
##Compilation
make odu MACHINE=BIT64 MODE=FDD
make cu_stub NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
make ric_stub NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
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Success, can't complaint everything works perfect!
## Running O-DU High with FDD+Radio mode
Use this command to config the IP's "sudo ifconfig lo:ODU 192.168.130.82" (wlp0s20f3 for CU_STUB, eno1 for RIC_STUB)
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need to add **sudo apt install net-tools** command to install **ifconfig** firstly.
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O-DU
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CU-STUB
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CU-RIC
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## Running O-DU High with FDD+Timer mode
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O-DU
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CU-STUB
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CU-RIC
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## Running O-DU High with TDD+Radio mode
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O-DU
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CU-STUB
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CU-RIC
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## Running O-DU High with TDD+Timer mode
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O-DU
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CU-STUB
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CU-RIC
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