linux信息查看
Posted
查看有几个插口用了几个插口
# dmidecode -t memory |grep Size
Size: 1024 MB
Size: 1024 MB
Size: 1024 MB
Size: 1024 MB
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
查看服务器多少位
# getconf LONG_BIT
32
# uname -a
Linux longyuan 2.6.18-8.10AX #1 SMP Tue Aug 14 04:52:14 EDT 2007 i686 i686 i386 GNU/Linux
查看Linux内核版本的命令
# uname -a
Linux xxcloud 2.6.32-71.el6.x86_64 #1 SMP Fri May 20 03:51:51 BST 2011 x86_64 x86_64 x86_64 GNU/Linux
# cat /proc/version
Linux version 2.6.32-71.el6.x86_64 (mockbuild@c6b6.centos.org) (gcc version 4.4.4 20100726 (Red Hat 4.4.4-13) (GCC) ) #1 SMP Fri May 20 03:51:51 BST 2011
*linux 下怎样启用PAE(让32位支持4G以上内存)
# cat /boot/config-*|grep PAE
# Linux kernel version: 2.6.18-8.10AXPAE
CONFIG_X86_PAE=y
查看是什么linux
[root@wocloud .ssh]# cat /etc/redhat-release
CentOS release 6.3 (Final)
[root@wocloud ~]# cat /etc/issue
CentOS release 6.3 (Final)
Kernel \r on an \m
[cgg@longyuan ~]$ cat /etc/issue
Asianux Server 3 (Quartet)
Kernel \r on an \m
john@li388-108:~$ cat /etc/issue
Ubuntu 10.10 \n \l
MyBookLive:~# cat /etc/issue
Debian GNU/Linux 5.0 \n \l
看内存情况
john@localhost:~$ free -m
total used free shared buffers cached
Mem: 496 464 31 0 126 197
-/+ buffers/cache: 140 356
Swap: 255 0 255
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