[FreeBSD] upgrade freebsd

详细看这里

https://book.bsdcn.org/di-5-zhang-ruan-jian-guan-li-he-xi-tong-sheng-ji/di-5.7-jie-tong-guo-freebsdupdate-geng-xin

 

以下全部在root账户下完成：

使用su命令进入root账号

 

同版本内升级：

freebsd-version -kru

freebsd-update fetch

freebsd-update install

freebsd-version -kru

reboot

freebsd-version -kru

 

大版本升级，比如14.3->15.0

freebsd-version -kru

freebsd-update fetch

freebsd-update install

freebsd-update upgrade -r 15.0-RELEASE

freebsd-update install

freebsd-version -kru

reboot

freebsd-update install

pkg bootstrap -f

pkg upgrade

freebsd-update install

freebsd-version -kru