Install Rails 6 Stack in OpenAnolis Linux

Nov 11th, 2021 • Permalink

OpenAnolis released as alternative distribute linux of CentOS. After got a server at Aliyun double 11 sales, I try to install my familiar Rails web framework on it.

I start installing the Linux server by do a system upgrade:

Update the OpenAnolis system

sudo yum update -y && sudo reboot

But install htop in Anolis linux is not as easy as CentOS, it's require enable epel explicitly.

Enable EPEL and install htop on OpenAnolis

sudo yum config-manager --set-enabled PowerTools
sudo yum update
sudo yum --disablerepo="*" --enablerepo="epel" list available | grep htop
sudo yum --disablerepo="*" --enablerepo="epel" install htop

Install locale

yum install langpacks-en glibc-all-langpacks -y
localectl set-locale LANG=en_US.UTF-8

Create the deployer user

adduser deployer
sudo su - deployer
mkdir .ssh
chmod 700 .ssh
vi .ssh/authorized_keys # and paste your public key
chmod 600 .ssh/authorized_keys

Enable deployer as sudo

sudo su -
cd /etc/sudoers.d/
echo "deployer ALL=(ALL) NOPASSWD:ALL" > 20-deployer-user

Secure the ssh by turn off root and password

sudo tail /etc/ssh/sshd_config

Secure the ssh by turn off root and password

PermitRootLogin no
PasswordAuthentication no

Install memcached & redis

sudo yum install memcached
sudo systemctl enable memcached
sudo yum install redis
sudo systemctl enable redis

Install node.js 16 & yarn

rpm -q --whatprovides centos-release # get anolis-release-8.4-6.an8.x86_64
curl -fsSL https://rpm.nodesource.com/setup_16.x > install_node.sh
vi install_node.sh
# find & append anolis in below line
# if [[ $DISTRO_PKG =~ ^(redhat|centos|almalinux|rocky|cloudlinux|mageia|sl|anolis)- ]]; then
sudo bash ./install_node.sh
sudo yum install -y nodejs
sudo yum install gcc-c++ make
curl -sL https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yum.repos.d/yarn.repo
sudo yum install yarn

Install dependencies required by rbenv and Ruby

yum install openssl-devel readline-devel zlib-devel gdbm-devel git

Install rbenv and ruby-build in deployer user

cd # as a deployer
git clone https://github.com/rbenv/rbenv.git .rbenv
cd ~/.rbenv && src/configure && make -C src
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
~/.rbenv/bin/rbenv init # As an rbenv plugin
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
mkdir -p "$(rbenv root)"/plugins
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
git clone https://github.com/andorchen/rbenv-china-mirror.git "$(rbenv root)"/plugins/rbenv-china-mirror

Install ruby 3.0.2

rbenv install -l
rbenv install 3.0.2
rbenv global 3.0.2
rbenv shell 3.0.2
echo "gem: --no-document" > ~/.gemrc
gem update --system

Create postgresql db user and import DB

sudo su - postgres
createuser deployer
psql
ALTER ROLE deployer LOGIN;
CREATE DATABASE sccsa_production WITH ENCODING='UTF8' OWNER=deployer;
logout
psql -d sccsa_production -f sccsa_postgres_db.sql 

Install snapd

sudo dnf install epel-release
sudo dnf upgrade
sudo yum install bash-completion
sudo yum install policycoreutils-python-utils
sudo yum --disablerepo="*" --enablerepo="epel" install snapd
sudo systemctl enable --now snapd.socket
sudo ln -s /var/lib/snapd/snap /snap
sudo snap install core; sudo snap refresh core

Install certbot

sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot
sudo certbot --nginx

Extend the Disk Size in Ubuntu 20.04 Which Running in VMware

Oct 8th, 2021 • Permalink

Ubuntu extend disk is different with CentOS, largely using cloud-guest-utils tools.

Extend the Disk Size in Ubuntu 20.04 Which Running in VMware

apt-get install cloud-guest-utils
parted -l # Usually sda 3 is the root fs
growpart /dev/sda 3
pvs # To get the PV name
pvresize /dev/sda3
df -h # find /dev/mapper/ubuntu--vg-ubuntu--lv or similar
lvextend -r -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv

Largely copy from unix stackexchange.

Two Hidden Useful Shortcut for MacOS Finder

Oct 5th, 2021 • Permalink

Keyboard shortcut	Function
Command+Option+C	copy its full path to the clipboard
Command+Shift+.	Hide or show the dot(.) File

Deploy Rails 7 Master With Webpacker 6 and Tailwind CSS JIT App in CentOS 8

Aug 26th, 2021 • Permalink

Got the newest CentOS 8 (4.18.0-305.12.1.el8_4.x86_64) and ready to install newest Rails 7 and here is the steps.

Disable SELinux

vi /etc/selinux/config

Install locale

dnf install langpacks-en glibc-all-langpacks -y
localectl set-locale LANG=en_US.UTF-8

Turn on EPEL and install htop

yum -y install epel-release
yum install htop

Install node.js 16 & yarn

curl --silent --location https://rpm.nodesource.com/setup_16.x | bash -
yum install -y gcc-c++ make
yum install -y nodejs
curl -sL https://dl.yarnpkg.com/rpm/yarn.repo | tee /etc/yum.repos.d/yarn.repo
yum install yarn

Install dependencies required by rbenv and Ruby

yum install openssl-devel readline-devel zlib-devel gdbm-devel git

Setup second user account

adduser matlib
cd /etc/sudoers.d/
echo "matlib ALL=(ALL) NOPASSWD:ALL" > 20-matlib-user
sudo su - matlib
mkdir .ssh
chmod 700 .ssh
vi .ssh/authorized_keys # and paste your public key
chmod 600 .ssh/authorized_keys

Install rbenv and ruby-build

cd # as a matlib
git clone https://github.com/rbenv/rbenv.git .rbenv
cd ~/.rbenv && src/configure && make -C src
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
~/.rbenv/bin/rbenv init
# As an rbenv plugin
mkdir -p "$(rbenv root)"/plugins
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
git clone https://github.com/andorchen/rbenv-china-mirror.git "$(rbenv root)"/plugins/rbenv-china-mirror

Install Ruby 3.0.2

rbenv install -l
rbenv install 3.0.2
rbenv global 3.0.2
rbenv shell 3.0.2
eval "$(rbenv init -)" >> ~/.bash_profile
echo "gem: --no-document" > ~/.gemrc
gem update --system

Fix permission for CentOS

sudo mkdir /var/www
cd /var/www
sudo mkdir matlib
sudo chown matlib:matlib matlib/

Install nginx

yum install nginx
sudo firewall-cmd --add-service=http --permanent
sudo firewall-cmd --add-service=https --permanent
sudo firewall-cmd --reload

Deploy TARO Documents to the 4 GB Memory Server

Jun 23rd, 2021 • Permalink

The official taro document build setting NODE_OPTIONS=--max-old-space-size=5120 in packages.json, but I would link to deploy a TARO documents to my 4 GB memory server, so here is how to.

Change NODE_OPTIONS settings

Change to NODE_OPTIONS=--max-old-space-size=2500 is reasonable in a 4GB memory server, but that's far from enough.

Enable the swap

sudo fallocate -l 1G /swapfile
# or sudo dd if=/dev/zero of=/swapfile bs=1024 count=1048576
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
# To make it permanent
sudo echo '/swapfile swap swap defaults 0 0' >> /etc/fstab

Stop more services while building

sudo systemctl stop postgresql-12
sudo systemctl stop memcached
sudo systemctl stop nginx
sudo systemctl stop docker

It can be restart after reboot.

Install lib vips

The @docusaurus/core like 2.0.0-beta.1 require vips library, so need install vips at CentOS 7

Install lib vips

sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
sudo yum install yum-utils
sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
sudo yum-config-manager --enable remi
sudo yum install vips vips-devel vips-tools

If in Ubuntu 20.04, just need install sudo apt-get install libvips-tools.

Call Brew Install Ruby From Mathematica Wolfram Kernel

Jun 13th, 2021 • Permalink

Call brew install Ruby from Mathematica Wolfram Kernel

RegisterExternalEvaluator["Ruby", "/usr/local/opt/ruby/bin/ruby"]
ExternalEvaluate["Ruby", "RUBY_VERSION"]

It's works even exit in wolfram kernel, for Mathematica in Apple Silicon:

Install ffi-rzmq for Mathematica on Apple Silicon

gem install ffi-rzmq

RegisterExternalEvaluator["Ruby", "/opt/homebrew/opt/ruby/bin/ruby"]
ExternalEvaluate["Ruby", "RUBY_VERSION"]

Archive the Log Files to OSS Archive Storage

May 8th, 2021 • Permalink

Notice Region ID when configure the aliyun cli, should write as cn-shanghai or cn-shanghai-internal

And below command is upload all files in current folder to thape_web_gz.

Upload the current directory to OSS archive storage

aliyun oss cp . oss://thape-web-log/thape_web_gz -r

Deploy New Rails 6 Application in Ubuntu 20.04

Apr 29th, 2021 • Permalink

Create new user

adduser cybros_vendor
sudo su - cybros_vendor
mkdir .ssh
chmod 700 .ssh
vi .ssh/authorized_keys # and paste your public key
chmod 600 .ssh/authorized_keys

Enable new user as sudo

sudo su -
cd /etc/sudoers.d/
echo "cybros_vendor ALL=(ALL) NOPASSWD:ALL" > 80-cybros_vendor-user

Install nginx

sudo apt-get install nginx

It's also possible to enable TLS 1.1/1.2 due to Ubuntu 20.04 not support by default.

/etc/nginx/nginx.conf

ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
# seclevel for TLS 1.0 and 1.1
ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:@SECLEVEL=1";

Install node.js 15 and yarn 1.x

Using nodesource distribution

Install node.js 15 and yarn 1.x

curl -fsSL https://deb.nodesource.com/setup_15.x | sudo -E bash -
sudo apt-get install gcc g++ make git
sudo apt-get install -y nodejs
## To install the Yarn package manager
curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null
echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update && sudo apt-get install yarn

Install rbenv and Ruby 3.0.1

sudo apt install rbenv
sudo su - cybros_vendor
mkdir -p "$(rbenv root)"/plugins
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
git clone https://github.com/andorchen/rbenv-china-mirror.git "$(rbenv root)"/plugins/rbenv-china-mirror
rbenv install 3.0.1
rbenv global 3.0.1
echo "gem: --no-document" > ~/.gemrc
eval "$(rbenv init -)" >> ~/.bash_profile # or past the `rbenv init -`
rbenv shell 3.0.1

Install MySQL Client

sudo apt-get install gnupg2
wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb
sudo dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb
sudo percona-release setup ps80
sudo apt-get install percona-server-client
sudo apt-get install libmysqlclient-dev

Create MySQL DB user

mysql -u root -p
CREATE DATABASE cybros_vendor character set UTF8mb4 collate utf8mb4_bin;
CREATE USER 'cybros_vendor'@'%' IDENTIFIED BY 'cybros_vendor_password';
GRANT ALL ON cybros_vendor.* TO 'cybros_vendor'@'%';
FLUSH PRIVILEGES;

Link rbenv to make capistrano works

mkdir -p ~/.rbenv/bin
cd ~/.rbenv/bin
ln -s /usr/bin/rbenv rbenv

Install Oracle Instant Client

Download Version 19.14.0.0.0 and following ruby-oci8 document

Install the Oracle Instant Client packages

sudo mkdir /opt/oracle
sudo unzip instantclient-basic-linux.x64-19.14.0.0.0dbru.zip -d /opt/oracle
sudo unzip instantclient-sqlplus-linux.x64-19.14.0.0.0dbru.zip -d /opt/oracle/
sudo unzip instantclient-sdk-linux.x64-19.14.0.0.0dbru.zip -d /opt/oracle/
cd /usr/local/bin
sudo ln -s /opt/oracle/instantclient_19_14/sqlplus  sqlplus
export LD_LIBRARY_PATH=/opt/oracle/instantclient_19_14
gem install ruby-oci8

Append tolink

TNS_ADMIN=/opt/oracle/instantclient_19_14/network/admin
LD_LIBRARY_PATH=/opt/oracle/instantclient_19_14
NLS_LANG=AMERICAN_AMERICA.AL32UTF8

Also need setting in systemd/system/puma_service or side_service

Set Oracle Instant Client variables in systemd services

Environment="TNS_ADMIN=/opt/oracle/instantclient_19_14/network/admin"
Environment="LD_LIBRARY_PATH=/opt/oracle/instantclient_19_14"
Environment="NLS_LANG=AMERICAN_AMERICA.AL32UTF8"

Deploy Coreui 4 Beta Demo Site to Aliyun OSS Nginx Host

Apr 27th, 2021 • Permalink

Due to Core UI 4 still no demo site, but I already want to using it, so I built a site myself.

Add a dedicated user

adduser coreui4_demo
sudo su - coreui4_demo
mkdir .ssh
chmod 700 .ssh
vi .ssh/authorized_keys # and paste your public key
chmod 600 .ssh/authorized_keys

Prepare deploy folder

cd /var/www
mkdir coreui4_demo
chown coreui4_demo:coreui4_demo coreui4_demo

Change code to deploy

See cn_site branch for detail modifies.

Do the real deploy

bundle exec cap production deploy

New nginx conf

Sample nginx configure file

server {
  server_name coreui.redwoodjs.cn;
  index index.html;
  root /var/www/coreui4_demo/current/dist;
 
  location / {
    try_files $uri $uri/ /index.html;
    access_log /var/www/coreui4_demo/shared/log/nginx.access.log;
    error_log /var/www/coreui4_demo/shared/log/nginx.error.log;
  }
 
  listen 443 ssl; # managed by Certbot
  ssl_certificate /etc/letsencrypt/live/api.wefocusin.com/fullchain.pem; # managed by Certbot
  ssl_certificate_key /etc/letsencrypt/live/api.wefocusin.com/privkey.pem; # managed by Certbot
  include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
  ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
 
server {
  if ($host = coreui.redwoodjs.cn) {
      return 301 https://$host$request_uri;
  } # managed by Certbot
 
  listen 80;
  server_name coreui.redwoodjs.cn;
  return 404; # managed by Certbot
}

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