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90 lines
1.9 KiB
Markdown
90 lines
1.9 KiB
Markdown
# Issues encountered
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- Building the client files fails with not enough ram
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- It runs out of ram on a Centos vps so I needed to add more swap space
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- https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-centos-7
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# Installing Elixir on Centos 7
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Update the system
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```
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sudo yum install epel-release
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sudo yum update
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sudo reboot
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```
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Install Erlang
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```
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wget https://packages.erlang-solutions.com/erlang/esl-erlang/FLAVOUR_1_general/esl-erlang_20.2.2-1~centos~7_amd64.rpm
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sudo rpm -Uvh ./esl-erlang_20.2.2-1~centos~7_amd64.rpm
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sudo yum install erlang
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```
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Install Elixir
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```
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mkdir -p /usr/bin/elixir
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sudo wget https://github.com/elixir-lang/elixir/releases/download/v1.5.2/Precompiled.zip
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sudo yum install unzip
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sudo unzip Precompiled.zip
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export PATH=$PATH:/usr/bin/elixir/bin
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```
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Might have to install GCC - needed for comonin/argon2
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```
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yum group install "Development Tools"
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```
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# Hosting on Vultr
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### Centos setup from scratch
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[Enable private networking](https://www.vultr.com/docs/configuring-private-network)
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```
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/etc/sysconfig/network-scripts/ifcfg-eth1
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DEVICE=eth1
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ONBOOT=yes
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NM_CONTROLLED=no
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BOOTPROTO=static
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IPADDR=<ip>
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NETMASK=<netmask>
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IPV6INIT=no
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MTU=1450
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```
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Disable firewalld (make sure firewall is enabled in vultr config)
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```
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systemctl disable firewalld
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```
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Install and start postgresql
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```
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sudo yum install postgresql-server postgresql-contrib
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sudo postgresql-setup initdb
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sudo systemctl start postgresql
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sudo systemctl enable postgresql
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```
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Configure user
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```
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sudo passwd postgres
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su postgres
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psql -d template1 -c "ALTER USER postgres WITH PASSWORD 'newpassword';"
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```
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Allow connections on all interfaces
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```
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/var/lib/pgsql/data/postgresql.conf
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listen_address='*'
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```
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```
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/var/lib/pgsql/data/pg_hba.conf
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host all all 0.0.0.0/0 md5
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```
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# Database backup script
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```
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ssh -i ./prod_ssh_key root@<addr> 'su - postgres -c "pg_dump -U postgres myapp_prod"' >> "$(date +"%Y_%m_%d_%I_%M_%p")backup.sql"
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```
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