初始化状态后
- [root@bandwagon ~]# free -lh
- total used free shared buffers cached
- Mem: 507M 66M 441M 148K 5.8M 29M
- Low: 507M 66M 441M
- High: 0B 0B 0B
- -/+ buffers/cache: 31M 476M
- Swap: 131M 0B 131M
-
- [root@bandwagon ~]# df -lh
- Filesystem Size Used Avail Use% Mounted on
- /dev/sda2 11G 855M 9.1G 9% /
- tmpfs 254M 0 254M 0% /dev/shm
- /dev/sda1 283M 55M 214M 21% /boot
-
-
- [root@bandwagon ~]# cat /etc/centos-release
- CentOS release 6.8 (Final)
-
- [root@bandwagon ~]# uname -a
- Linux bandwagon 4.10.4-1.el6.elrepo.i686 #1 SMP Sat Mar 18 11:05:18 EDT 2017 i68
- 6 i686 i386 GNU/Linux
centos7-x86_64-bbr
- [root@bandwagon ~]# cat /etc/centos-release
- CentOS Linux release 7.3.1611 (Core)
-
- [root@bandwagon ~]# free -lh
- total used free shared buff/cache available
- Mem: 503M 58M 69M 8.3M 376M 413M
- Low: 503M 434M 69M
- High: 0B 0B 0B
- Swap: 131M 0B 131M
-
- [root@bandwagon ~]# df -lh
- Filesystem Size Used Avail Use% Mounted on
- devtmpfs 242M 0 242M 0% /dev
- tmpfs 252M 0 252M 0% /dev/shm
- tmpfs 252M 8.3M 244M 4% /run
- tmpfs 252M 0 252M 0% /sys/fs/cgroup
- /dev/sda2 11G 1.3G 8.6G 13% /
- /dev/sda1 380M 142M 218M 40% /boot
- tmpfs 51M 0 51M 0% /run/user/0
- [root@bandwagon ~]#
安装centos6 比 centos7 节省空间和资源,但是centos7更方便安装,最后还是选择 centos7。