use sshfs to mount remote filesystem , command sample

安裝 command :
apt-get install sshfs

sshfs [user@]host:[remote_directory] mountpoint [options]

sshfs -p 2200 rimmon@dev.monster.tw:/home/rimmon DEV

fusermount -u DEV

sshfs -p 2200 -o reconnect webuser@172.25.1.228:/mnt/tslog_bak ~/TSLOG_BAK

fusermount -u ~/TSLOG_BAK

速度測試

sshfs -p 2200 -o reconnect xxx@ts228.monster.tw:/mnt/tslog_bak ~/TSLOG_BAK

1.1G 費時 19秒 , 約 55MB/s

[memo] 用 shell awk 加總 column

ls -l `find /mnt/tslog/archive/ -name "*20190[1..6]*" -type f` | awk '{sum += $5} END {print sum}'
160038650315

ls -l `find /mnt/tslog_bak -name "*20190[1..6]*" -type f` | awk '{sum += $5} END {print sum}'
160038650315

ls -l `find /mnt/tslog_backup2 -name "*20190[1..6]*" -type f` | awk '{sum += $5} END {print sum}'
160038650315

[memo] Ubuntu : ctrl-L not work , 按 ctrl-L 不會清除螢幕 , TERM , .bashrc .profile 問題 , Ubuntu 8.04.4 LTS

這個版本的 .bashrc 不 work , 要用 .profile
lsb_release  -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 8.04.4 LTS
Release: 8.04
Codename: hardy
—-
$ cat .profile
export EDITOR=vi
export PATH=/sbin:$PATH
export LANG=
export TERM=xterm
export http_proxy=
export https_proxy=

Use dd command to backup whole disk to image file , acer desktop , win7 , pv(pipe viewer example)

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