[root@localhost ~]# df -h
檔案系統                 容量  已用  可用 已用% 掛載點
devtmpfs                 470M     0  470M    0% /dev
tmpfs                    487M     0  487M    0% /dev/shm
tmpfs                    487M  8.4M  478M    2% /run
tmpfs                    487M     0  487M    0% /sys/fs/cgroup
[color=#FF0000]/dev/mapper/centos-root   17G  4.8G   13G   28% /[/color]
/dev/sda1               1014M  173M  842M   17% /boot
tmpfs                     98M   12K   98M    1% /run/user/42
tmpfs                     98M     0   98M    0% /run/user/1000

[root@localhost ~]# fdisk -l

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O 大小 (最小/最佳化)：512 位元組 / 512 位元組
Disk label type: dos
磁碟識別碼：0x000c35eb

所用裝置 開機      開始         結束      區塊   識別號  系統
/dev/sda1   *        2048     2099199     1048576   83  Linux
/dev/sda2         2099200    41943039    19921920   8e  Linux LVM

[root@localhost ~]# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


命令 (m 以獲得說明)：p

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O 大小 (最小/最佳化)：512 位元組 / 512 位元組
Disk label type: dos
磁碟識別碼：0x000c35eb

所用裝置 開機      開始         結束      區塊   識別號  系統
/dev/sda1   *        2048     2099199     1048576   83  Linux
/dev/sda2         2099200    41943039    19921920   8e  Linux LVM

命令 (m 以獲得說明)：n
Partition type:
   p   primary (2 primary, 0 extended, 2 free)
   e   extended
Select (default p): p
分割區編號 (3,4, default 3): 3
起初 sector (41943040-104857599, 預設 41943040)：
使用預設值 41943040
最後 sector, +sectors 或 +大小{K,M,G} (41943040-104857599, 預設 104857599)：
使用預設值 104857599
Partition 3 of type Linux and of size 30 GiB is set

命令 (m 以獲得說明)：w
分割表已變更！

呼叫 ioctl() 以重新讀取分割表。

WARNING: Re-reading the partition table failed with error 16: 裝置或系統資源忙碌中.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
同步磁碟。

[root@localhost ~]# partprobe
Warning: 無法開啟 /dev/sr0 以讀寫 (唯讀的檔案系統)。/dev/sr0 已用唯讀的方式開啟
[root@localhost ~]# pvcreate /dev/sda3
  Physical volume "/dev/sda3" successfully created.
[root@localhost ~]# pvresize /dev/sda3
  Physical volume "/dev/sda3" changed
[root@localhost ~]# vgextend centos /dev/sda3
  Volume group "centos" successfully extended
[root@localhost ~]# lvextend -L +29G /dev/mapper/centos-root
  Size of logical volume centos/root changed from <46.00 GiB (11775 extents) to  <54.00 GiB (13823 extents).
[root@localhost ~]# xfs_growfs /dev/mapper/centos-root

[root@localhost ~]# df -h
檔案系統                 容量  已用  可用 已用% 掛載點
devtmpfs                 470M     0  470M    0% /dev
tmpfs                    487M     0  487M    0% /dev/shm
tmpfs                    487M  8.4M  478M    2% /run
tmpfs                    487M     0  487M    0% /sys/fs/cgroup
[color=#FF0000]/dev/mapper/centos-root   46G  4.8G   42G   11% /[/color]
/dev/sda1               1014M  173M  842M   17% /boot
tmpfs                     98M   12K   98M    1% /run/user/42
tmpfs                     98M     0   98M    0% /run/user/1000
tmpfs                     98M     0   98M    0% /run/user/0

#下載目錄為./，要下載的模組是python-virtualenv
yum install --downloadonly --downloaddir=./ python-virtualenv  

#安裝使用localinstall的方式，nogpgcheck表示不要進行驗證
yum localinstall -y --nogpgcheck python-virtualenv-15.1.0-4.el7_7.noarch.rpm

pip download django
pip download flask

pip install Django-3.1.1-py3-none-any.whl
pip install Flask-1.1.2-py2.py3-none-any.whl

pip install django
pip install flask
#導出模組清單
pip freeze > requirements.txt
#下載requirements.txt中安裝的所有模組
pip download -r requirements.txt

pip install --no-index --find-links=./ -r requirements.txt

*nat
:PREROUTING ACCEPT [4:1992]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A POSTROUTING -s 192.168.99.0/24 -o eth0 -j MASQUERADE
COMMIT

./rclone --version
rclone v1.46- os/arch: linux/amd64-
go version: go1.11.5

rclone config
n) New remote
s) Set configuration password
q) Quit config
n/s/q> n                 #新建一個連線
name> test              #連線名稱
1 / A stackable unification remote, which can appear to merge the contents of several remotes
   \ "union"
2 / Alias for a existing remote
   \ "alias"
3 / Amazon Drive
   \ "amazon cloud drive"
4 / Amazon S3 Compliant Storage Provider (AWS, Alibaba, Ceph, Digital Ocean, Dreamhost, IBM COS, Minio, etc)
   \ "s3"
5 / Backblaze B2
   \ "b2"
6 / Box
   \ "box"
.....
Edit advanced config? (y/n)
y) Yes
n) No
y/n> n
Remote config
Use auto config?
* Say Y if not sure
* Say N if you are working on a remote or headless machine
y) Yes
n) No
y/n> y

If your browser doesn't open automatically go to the following link: http://127.0.0.1:53682/auth
Log in and authorize rclone for access
Waiting for code...
Got code
Configure this as a team drive?
y) Yes
n) No
y/n> y

X-Priority: 3
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-type: text/html;charset=utf-8
Content-type: multipart/mixed; boundary="$id"; charset="UTF-8"
From: $from
Subject: $title
To: $to

--$id
Content-type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8bit

內容

--$id
Content-type: application/unknown;name=$filename
Content-transfer-encoding: base64
Content-disposition: attachment; filename=$filename

編碼後的檔案

        function mailto($from,$to,$subject,$msg,$filename='')
  {
    $mailto = '';
    if(count($to) > 1)
      for($i = 0;$i < count($to);$i++)
        $mailto .= "$to[$i],";
    else
      $mailto = $to;
    $boundary = uniqid(""); // 產生分隔字串
    $subject = '=?utf-8?B?'.base64_encode("$subject").'?='; // 標題加密(防亂碼)
    $headers = '';
    $headers .= "MIME-Version: 1.0\r\n";
    $headers .= "Content-type: multipart/mixed; boundary=\"$boundary\"; charset=\"UTF-8\"\r\n"; //宣告分隔字串
    $headers .= 'From:'.$from."\r\n"; // 設定寄件者
    $headers .= "X-Mailer: PHP/".phpversion()."\r\n";
    $body .= "--$boundary\r\n";
    $body .= "Content-type: text/plain; charset=\"UTF-8\"\r\n";// 信件本文header
    $body .= "Content-Transfer-Encoding: 8bit\r\n\r\n";// 信件本文header
    $body .= $msg."\r\n"; // 本文內容
    //附加檔案處理
    if(!is_array($filename))
      $files[0] = $filename;
    if( count($files) != 0)
    {  
      for($i = 0;$i < count($files);$i++)
      {
        $mimeType = mime_content_type($files[$i]); // 判斷檔案類型 ，php.ini要開啟php_mime_magic.dll
        if(!$mimeType)
          $mimeType = "application/unknown"; // 若判斷不出則設為未知
        $data = chunk_split(base64_encode(file_get_contents($files[$i])));
        $file = basename($files[$i]); //傳回不包含路徑的檔案名稱(mail中會顯示的檔名)
        $body .= "--$boundary\r\n";
        $body .= "Content-type: $mimeType; name=$file\r\n";
        $body .= "Content-transfer-encoding: base64\r\n";
        $body .= "Content-disposition: attachment; filename=$file\r\n\r\n";
        $body .= "$data\r\n";
      }
    }
    $body .= "--$boundary--";//郵件結尾
    mail($mailto, $subject, $body, $headers); // 寄出信件
  }

sub mailto
{
    my ($from,$to,$title,$content,$file) = @_;
    my $id = '';
    for(my $i = 0;$i <= 20;$i++){$id .= chr(97 + int(rand(26)));}
    $title = '=?utf-8?B?'.substr(encode_base64($title),0,-1).'?=';
    my $header = "X-Priority: 3\r\nMIME-Version: 1.0\r\nContent-Transfer-Encoding: 8bit\r\nContent-type: text/html;charset=utf-8
Content-type: multipart/mixed; boundary=\"$id\"; charset=\"UTF-8\"\r\nFrom: $from\r\nSubject: $title\r\nTo: $to\r\n--$id
Content-type: text/plain; charset=\"UTF-8\"\r\nContent-Transfer-Encoding: 8bit\r\n\r\n";
    #夾檔
    if($file ne ''){
        my $filename = basename($file);
        my $data = encode_base64(`cat $filename`);
        $content .= "\r\n\r\n--$id\r\nContent-type: application/unknown;name=$filename\r\nContent-transfer-encoding: base64
Content-disposition: attachment; filename=$filename\r\n\r\n$data";
    }
    $content .= "--$id--";
    open(MM,"|/usr/lib/sendmail -oem -oi -f '$from' -t '$to'");
    print MM "$header$content";
    close(MM);
}

# chkconfig: 345 85 15
# description: Startup script for dropbox daemon
#
# processname: dropboxd
# pidfile: /var/run/dropbox.pid
# config: /etc/sysconfig/dropbox
#

### BEGIN INIT INFO
# Provides: dropboxd
# Required-Start: $local_fs $network $syslog
# Required-Stop: $local_fs $syslog
# Should-Start: $syslog
# Should-Stop: $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start up the Dropbox file syncing daemon
# Description:       Dropbox is a filesyncing sevice provided by dropbox.com
#                    This service starts up the dropbox daemon.
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

# To configure, add line with DROPBOX_USERS="user1 user2" to /etc/sysconfig/dropbox
# Probably should use a dropbox group in /etc/groups instead.

[ -f /etc/sysconfig/dropbox ] && . /etc/sysconfig/dropbox
prog=dropboxd
lockfile=${LOCKFILE-/var/lock/subsys/$prog}
config=${CONFIG-/etc/sysconfig/dropbox}
RETVAL=0

start() {
    echo -n $"Starting $prog"
    if [ -z $DROPBOX_USERS ] ; then
        echo -n ": unconfigured: $config"
        echo_failure
        echo
        rm -f ${lockfile} ${pidfile}
        RETURN=6
        return $RETVAL
    fi
    for dbuser in $DROPBOX_USERS; do
        dbuser_home=`cat /etc/passwd | grep "^$dbuser:" | cut -d":" -f6`
        daemon --user $dbuser /bin/sh -c "$dbuser_home/.dropbox-dist/dropboxd&"
    done
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && touch ${lockfile}
    return $RETVAL
}

status() {
    for dbuser in $DROPBOX_USERS; do
        dbpid=`pgrep -u $dbuser dropbox | grep -v grep`
        if [ -z $dbpid ] ; then
            echo "dropboxd for USER $dbuser: not running."
        else
            echo "dropboxd for USER $dbuser: running (pid $dbpid)"
        fi
    done
}

stop() {
    echo -n $"Stopping $prog"
    for dbuser in $DROPBOX_USERS; do
        dbuser_home=`cat /etc/passwd | grep "^$dbuser:" | cut -d":" -f6`
        killproc $dbuser_home/.dropbox-dist/dropbox
    done
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}
}

# See how we were called.
case "$1" in
    start)
        start
        ;;
    status)
        status
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    *)
        echo $"Usage: $prog {start|status|stop|restart}"
        RETVAL=3
esac
exit $RETVAL