cpio 複製

find . -xdev | cpio -pdm /target-dir

如何確認 DNS SRV 記錄

nslookup 

set type=srv

_ldap._tcp.dc._msdcs. Domain_Name 

disable ssh know_hosts

方法一
ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null user@host /usr/bin/hostname -s

方法二
編輯 ~/.ssh/config
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
LogLevel QUIET

openvz centos7 安裝 opendedep

安裝
vzctl set 100 --devices c:10:229:rw --save
vzctl exec 100 mknod /dev/fuse c 10 229

vzctl exec 100 wget http://www.opendedup.org/downloads/sdfs-latest.rpm
vzctl exec 100 yum install sdfs-latest.rpm

vzctl exec 100 echo "* hardnofile 65535" >> /etc/security/limits.conf
vzctl exec 100 echo "* soft nofile 65535" >> /etc/security/limits.conf


建立及掛載
sudo mkfs.sdfs --volume-name=pool0 --volume-capacity=256GB
sudo mkdir /media/pool0
sudo mount.sdfs pool0 /media/pool0/

VI 出現 "E437: terminal capability "cm" required"

增加環境變數
export TERM=ansi