先说查看linux 内核方法一:cat /proc/version
# cat /proc/versionLinux version 2.6.32-358.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Fri Feb 22 00:31:26 UTC 2013
二:uname -a# uname -aLinux mall-giftserver 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
再说查看linux 系统版本的方法一:lsb_release -a (此命令适用于所有的Linux发行版本)
# lsb_release -aLSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarchDistributor ID: CentOSDescription: CentOS release 6.4 (Final)Release: 6.4Codename: Final
二:cat /etc/redhat-release (此方法只适合Redhat系的Linux)
# cat /etc/redhat-releaseCentOS release 6.4 (Final)You have new mail in /var/spool/mail/root
三:cat /etc/issue (此命令适用于所有的Linux发行版本)
# cat /etc/issueCentOS release 6.4 (Final)Kernel \r on an \m
然后再说安装lsb_release的过程吧在没有此命令的时候,执行会报命令不存在,咋办呢?一个方法:yum provides */lsb_release
当前命令的好处就是帮你找到哪里可以下载到这个lsb_release命令的地方
# yum provides */lsb_release Loaded plugins: fastestmirrorLoading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.btte.net * updates: mirrors.aliyun.combase/filelists_db | 6.4 MB 00:07 extras/filelists_db | 38 kB 00:00 updates/filelists_db | 3.5 MB 00:04 zabbix/filelists | 65 kB 00:00 zabbix-non-supported/filelists | 3.0 kB 00:00 redhat-lsb-core-4.0-7.el6.centos.i686 : LSB base libraries support for CentOSRepo : baseMatched from:Filename : /usr/bin/lsb_releaseredhat-lsb-core-4.0-7.el6.centos.x86_64 : LSB base libraries support for CentOSRepo : baseMatched from:Filename : /usr/bin/lsb_release
如上所示,应该告诉我们在redhat-lsb-core-4.0-7.el6.centos.i686和redhat-lsb-core-4.0-7.el6.centos.x86_64这两处可以找到,我用的是后一个包中。于是按照下面方法执行
yum install redhat-lsb-core-4.0-7.el6.centos.x86_64
之后就是一堆执行过程,大致截图如下
等到执行完毕我们验证一下。ok,已成功安装。
然后由安装这个lsb_release命令,新学到了一个方法,就是上面黄底标红的文字yum provides */。
意思就是通过目标命令名称,查找这个命令所属的安装包,比如本文我就是执行的yum provides */lsb_release
以后如果不知道某个命令从哪儿安装,可以考虑使用这个命令来查找。