$ezjail-admin update -u
### 更新过程中会有以下提示,表示将会更新至最新版:9.0-RELEASE-p4。
### See this: The following files will be updated as part of updating to 9.0-RELEASE-p4:
$ee /etc/make.conf
#############################################################
## AXEL for ports to download pkg with multi-thread.
FETCH_CMD=/usr/local/bin/axel
FETCH_BEFORE_ARGS= -n 10 -a
FETCH_AFTER_ARGS=
DISABLE_SIZE=yes
MASTER_SITE_OVERRIDE?=\ ftp://ftp.tw.freebsd.org/${DIST_SUBDIR}/