# 更新
apt update
# 列出可 upgrade 的 package
apt list –upgradable
# 只 upgrade 這些 packages
apt –only-upgrade install XXXXX
ubuntu
[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:$PATH
export LANG=
export TERM=xterm
export http_proxy=
export https_proxy=
export EDITOR=vi
export PATH=/sbin:$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
ubuntu : add-apt-repository
sudo apt-get install software-properties-common
ddclient : dyndns update client : ddclient config
root@raspberrypi:/home/pi# cat /etc/ddclient.conf # Configuration file for ddclient generated by debconf # # /etc/ddclient.conf protocol=dyndns2 use=if, if=wlan0 server=members.dyndns.org login=xxxxx password='xxxxxxx' pi.monster.tw #
