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D1 mini : DS18B20 , PT6961 4 digital 7 segment LED

ThingSpeak : https://thingspeak.com/channels/670646


Continue reading D1 mini : DS18B20 , PT6961 4 digital 7 segment LED →

System/Linux/Unix*

Use dd command to backup whole disk to image file , acer desktop , win7

Acer ASPIRE M1930 partition layout

Same PC but install windows7

 


-- OK! 在 virtualbox 測試
dd if=/dev/sda | pv | ssh -p 2200 rimmon@london.monster.tw 'cat > winxp2.dd.img'
ssh -p 2200 rimmon@london.monster.tw 'cat winxp2.dd.img' | pv | dd of=/dev/sda

-- OK! 把 Acer PC 整個硬碟備份到遠端 server 的 image file
dd if=/dev/sda | pv | ssh -p 2200 rimmon@london.monster.tw 'cat > /mnt/m1/acer-pc-win7.dd.img'

-- OK!把 Acer PC 改裝 windows7 後, 備份到遠端 server
-- 用 pv 看進度 , pipe 給 gzip 壓縮後再透過 ssh 傳到遠端 server ,
dd if=/dev/sda | pv | gzip | ssh -p 2200 rimmon@london.monster.tw 'cat > /mnt/m1/desktop-win7.dd.img.gz'

976773168+0 records in
976773168+0 records out
500107862016 bytes (500 GB, 466 GiB) copied, 12321.3 s, 40.6 MB/s

94G     desktop-win7.dd.img.gz
Copy_N_Paste, Network service, Uncategorized

[docker] 用 docker 建立 ipsec vpn server

—
URL: https://github.com/hwdsl2/docker-ipsec-vpn-server

#
docker run \
    --name ipsec-vpn-server \
    --env-file ./vpn.env \
    --restart=always \
    -p 500:500/udp \
    -p 4500:4500/udp \
    -v /lib/modules:/lib/modules:ro \
    -d --privileged \
    hwdsl2/ipsec-vpn-server
#
# docker logs ipsec-vpn-server
# docker exec -it ipsec-vpn-server ipsec status
# docker exec -it ipsec-vpn-server ipsec whack --trafficstatus