標籤:etc amd graph linked microsoft redhat class conf for
centos查看系統版本
cat /etc/redhat-releaseCentOS Linux release 7.2.1511 (Core)
1)查看centos核心的版本:
[[email protected] ~]# cat /proc/versionLinux version 2.6.18-194.el5 ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48))#1 SMP Fri Apr 2 14:58:14 EDT 2010
2)顯示系統名、節點名稱、作業系統的發行版號、作業系統版本、運行系統的機器 識別碼
[[email protected] ~]# uname -aLinux localhost.localdomain 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
3)顯示作業系統的發行版號
[[email protected] ~]# uname -r2.6.18-194.el5
查看linux版本:
- 列出所有版本資訊,
[[email protected] ~]# lsb_release -aLSB Version: core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.5 (Final)Release: 5.5Codename: Final
注:這個命令適用於所有的linux,包括Redhat、SuSE、Debian等發行版。
- 執行
cat /etc/issue
,例如如下:
[[email protected] ~]# cat /etc/issueCentOS release 5.5 (Final)Kernel r on an m
- 執行
cat /etc/redhat-release
,例如如下:
[[email protected] ~]# cat /etc/redhat-releaseCentOS release 5.5 (Final)
查看系統是64位還是32位:
[[email protected] ~]# getconf LONG_BIT64
2、file /bin/ls
[[email protected] ~]# file /bin/ls/bin/ls: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped
3、lsb_release -a
[[email protected] ~]# lsb_release -aLSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.5 (Final)Release: 5.5Codename: Final
centos查看系統cpu個數、核心數、線程數
1.查看物理cpu個數
grep ‘physical id‘ /proc/cpuinfo | sort -u | wc -l 2
2.查看核心數量,即每個物理CPU中core的個數(即核心數)
grep ‘core id‘ /proc/cpuinfo | sort -u | wc -l6
3.查看線程數(邏輯CPU的個數)
grep ‘processor‘ /proc/cpuinfo | sort -u | wc -l 24
4.查看cpu型號
dmidecode -s processor-version
5.查看記憶體方法
grep MemTotal /proc/meminfo# 總核心數 = 物理CPU個數 X 每顆物理CPU的核心數 # 總邏輯CPU數 = 物理CPU個數 X 每顆物理CPU的核心數 X 超執行緒數# 查看物理CPU個數cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l 2# 查看每個物理CPU中core的個數(即核心數)cat /proc/cpuinfo| grep "cpu cores"| uniq 6# 查看邏輯CPU的個數cat /proc/cpuinfo| grep "processor"| wc -l 24
詳細物理cpu,核心數,邏輯cpu說明
http://blog.csdn.net/u011630575/article/details/61194094
centos系統查看系統版本、核心版本、系統位元、cpu個數、核心數、線程數