diff --git a/README.md b/README.md
index 1629808..06e6516 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,20 @@
# Ubuntu 18.04 LTS 安裝 R4.5 標準流程
-
## 前置作業
* Ubuntu 18.04 LTS 已安裝完畢並能遠端連線進入
* 當前帳號可以使用 sudo 指令
+## 建立 rulingcom 帳號（若已是 rulingcom 帳號，前往下一步驟）
+```sh
+$ sudo su # 從當前帳號切換到 root
+$ adduser rulingcom
+$ # set the password for rulingcom
+$ # fill in user information, it's ok to leave all blank
+$ usermod -aG sudo rulingcom # 讓 rulingcom 可用 sudo
+$ su - rulingcom
+$ sudo ls -la /root # 測試 rulingcom sudo 是否可用
+$ exit; exit # 第一次 exit 退回 root 帳號，第二次 exit 退回剛登入的帳號
+```
+
## 安裝 Nginx 1.14
```sh
$ sudo apt update
@@ -15,7 +26,6 @@ $ cd /etc/nginx/
$ sudo mkdir orbit_sites/
$ sudo vim orbit_sites/xxx_ooo # 建立網站 nginx 設定檔，xxx 為學校縮寫，ooo 為系所、單位縮寫。內容參考附註 nginx 設定檔
```
-
```nginx
# 此為附註 nginx 設定檔
# upstream xxx_sock {
@@ -103,3 +113,88 @@ $ bundle exec unicorn_rails -c config/unicorn.rb -D -E production
$ sudo service nginx restart
$ # Login the new create site with rulingcom account and choose “Admin Area” to complete the registration of this new created site.
```
+
+## 設定備份（以備份一週內容為例）
+### 一、資料庫備份
+```sh
+$ sudo crontab -e
+# 內容如下：
+# 0 3 * * * mongodump -o /home/backup/db/`date "+\%Y\%m\%d"`_db
+# 0 4 * * * rm -fr /home/backup/db/`date --date="1 week ago" "+\%Y\%m\%d"`_db
+```
+
+### 二、R4.5 網站目錄備份
+```sh
+# 安裝 rsnapshot，如已安裝則直接編輯 /etc/rsnapshot.conf
+$ sudo apt-get install rsnapshot -y
+$ sudo vim /etc/rsnapshot.conf # 內容建附註 rsnapshot
+$ sudo mkdir /home/backup
+$ sudo mkdir /home/backup/orbit
+$ sudo chmod 777 /home/backup/orbit
+$ rsnapshot -t daily # 測試是否設定正確
+```
+
+```txt
+# 此為附註 rsnapshot
+
+# 注意！該檔使用 tab 而非 space！
+
+# find BACKUP LEVELS /INTERVALS part
+# at this part, remove every lines with `retain` and then add the line below:
+retain daily 7
+
+# find SNAPSHOT ROOT DIRECTORY part
+# modify the snapshot dir path
+snapshot_root /home/backup/orbit
+
+# find BACKUP POINTS / SCRIPTS part
+# add R4.5 site backup
+backup /home/rulingcom localhost/
+```
+
+### 三、定期壓縮與刪除 log
+```sh
+$ sudo vim /etc/logrotate.d/orbit # 內容見附註 logrotate
+$ sudo logrotate -d /etc/logrotate.conf # 確認系統是否有使用 /etc/logrotate.d/orbit
+```
+
+```txt
+# 附註 logrotate
+/home/rulingcom/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+/home/rulingcom/*/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+
+/var/log/mongodb/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /var/lib/mongodb/mongod.lock ] || kill -SIGUSR1 `cat /var/lib/mongodb/mongod.lock`
+ endscript
+}
+
+```
\ No newline at end of file
diff --git a/ubuntu_18_04_LTS_r45_install_guide.html b/ubuntu_18_04_LTS_r45_install_guide.html
index 74c9570..8ba53bc 100644
--- a/ubuntu_18_04_LTS_r45_install_guide.html
+++ b/ubuntu_18_04_LTS_r45_install_guide.html
@@ -25,6 +25,18 @@
當前帳號可以使用 sudo 指令
+
+ $ sudo su # 從當前帳號切換到 root
+$ adduser rulingcom
+$ # set the password for rulingcom
+$ # fill in user information, it's ok to leave all blank
+$ usermod -aG sudo rulingcom # 讓 rulingcom 可用 sudo
+$ su - rulingcom
+$ sudo ls -la /root # 測試 rulingcom sudo 是否可用
+$ exit; exit # 第一次 exit 退回 root 帳號，第二次 exit 退回剛登入的帳號
+
安裝 Nginx 1.14
@@ -124,6 +136,89 @@ $ RAILS_ENV=production bundle exec rake assets:precompile
$ bundle exec unicorn_rails -c config/unicorn.rb -D -E production
$ sudo service nginx restart
$ # Login the new create site with rulingcom account and choose “Admin Area” to complete the registration of this new created site.
+
+
+ 設定備份（以備份一週內容為例）
+
+
+ 一、資料庫備份
+
+ $ sudo crontab -e
+# 內容如下：
+# 0 3 * * * mongodump -o /home/backup/db/`date "+\%Y\%m\%d"`_db
+# 0 4 * * * rm -fr /home/backup/db/`date --date="1 week ago" "+\%Y\%m\%d"`_db
+
+
+ 二、R4.5 網站目錄備份
+
+ # 安裝 rsnapshot，如已安裝則直接編輯 /etc/rsnapshot.conf
+$ sudo apt-get install rsnapshot -y
+$ sudo vim /etc/rsnapshot.conf # 內容建附註 rsnapshot
+$ sudo mkdir /home/backup
+$ sudo mkdir /home/backup/orbit
+$ sudo chmod 777 /home/backup/orbit
+$ rsnapshot -t daily # 測試是否設定正確
+
+ # 此為附註 rsnapshot
+
+# 注意！該檔使用 tab 而非 space！
+
+# find BACKUP LEVELS /INTERVALS part
+# at this part, remove every lines with `retain` and then add the line below:
+retain daily 7
+
+# find SNAPSHOT ROOT DIRECTORY part
+# modify the snapshot dir path
+snapshot_root /home/backup/orbit
+
+# find BACKUP POINTS / SCRIPTS part
+# add R4.5 site backup
+backup /home/rulingcom localhost/
+
+
+ 三、定期壓縮與刪除 log
+
+ $ sudo vim /etc/logrotate.d/orbit # 內容見附註 logrotate
+$ sudo logrotate -d /etc/logrotate.conf # 確認系統是否有使用 /etc/logrotate.d/orbit
+
+ # 附註 logrotate
+/home/rulingcom/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+/home/rulingcom/*/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+
+/var/log/mongodb/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /var/lib/mongodb/mongod.lock ] || kill -SIGUSR1 `cat /var/lib/mongodb/mongod.lock`
+ endscript
+}
+
diff --git a/ubuntu_18_04_LTS_安裝_R45_手冊 b/ubuntu_18_04_LTS_安裝_R45_手冊
index 02a7723..06e6516 100644
--- a/ubuntu_18_04_LTS_安裝_R45_手冊
+++ b/ubuntu_18_04_LTS_安裝_R45_手冊
@@ -2,6 +2,19 @@
## 前置作業
* Ubuntu 18.04 LTS 已安裝完畢並能遠端連線進入
* 當前帳號可以使用 sudo 指令
+
+## 建立 rulingcom 帳號（若已是 rulingcom 帳號，前往下一步驟）
+```sh
+$ sudo su # 從當前帳號切換到 root
+$ adduser rulingcom
+$ # set the password for rulingcom
+$ # fill in user information, it's ok to leave all blank
+$ usermod -aG sudo rulingcom # 讓 rulingcom 可用 sudo
+$ su - rulingcom
+$ sudo ls -la /root # 測試 rulingcom sudo 是否可用
+$ exit; exit # 第一次 exit 退回 root 帳號，第二次 exit 退回剛登入的帳號
+```
+
## 安裝 Nginx 1.14
```sh
$ sudo apt update
@@ -99,4 +112,89 @@ $ RAILS_ENV=production bundle exec rake assets:precompile
$ bundle exec unicorn_rails -c config/unicorn.rb -D -E production
$ sudo service nginx restart
$ # Login the new create site with rulingcom account and choose “Admin Area” to complete the registration of this new created site.
+```
+
+## 設定備份（以備份一週內容為例）
+### 一、資料庫備份
+```sh
+$ sudo crontab -e
+# 內容如下：
+# 0 3 * * * mongodump -o /home/backup/db/`date "+\%Y\%m\%d"`_db
+# 0 4 * * * rm -fr /home/backup/db/`date --date="1 week ago" "+\%Y\%m\%d"`_db
+```
+
+### 二、R4.5 網站目錄備份
+```sh
+# 安裝 rsnapshot，如已安裝則直接編輯 /etc/rsnapshot.conf
+$ sudo apt-get install rsnapshot -y
+$ sudo vim /etc/rsnapshot.conf # 內容建附註 rsnapshot
+$ sudo mkdir /home/backup
+$ sudo mkdir /home/backup/orbit
+$ sudo chmod 777 /home/backup/orbit
+$ rsnapshot -t daily # 測試是否設定正確
+```
+
+```txt
+# 此為附註 rsnapshot
+
+# 注意！該檔使用 tab 而非 space！
+
+# find BACKUP LEVELS /INTERVALS part
+# at this part, remove every lines with `retain` and then add the line below:
+retain daily 7
+
+# find SNAPSHOT ROOT DIRECTORY part
+# modify the snapshot dir path
+snapshot_root /home/backup/orbit
+
+# find BACKUP POINTS / SCRIPTS part
+# add R4.5 site backup
+backup /home/rulingcom localhost/
+```
+
+### 三、定期壓縮與刪除 log
+```sh
+$ sudo vim /etc/logrotate.d/orbit # 內容見附註 logrotate
+$ sudo logrotate -d /etc/logrotate.conf # 確認系統是否有使用 /etc/logrotate.d/orbit
+```
+
+```txt
+# 附註 logrotate
+/home/rulingcom/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+/home/rulingcom/*/*/*/log/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /run/nginx.pid ] || kill -USR1 `cat /run/nginx.pid`
+ endscript
+}
+
+
+/var/log/mongodb/*.log {
+ daily
+ rotate 7
+ compress
+ missingok
+ notifempty
+ create 644 rulingcom rulingcom
+ postrotate
+ [ ! -f /var/lib/mongodb/mongod.lock ] || kill -SIGUSR1 `cat /var/lib/mongodb/mongod.lock`
+ endscript
+}
+
```
\ No newline at end of file