查看linux版本信息的方法:
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uname -a
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cat /proc/version
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cat /etc/issue
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lsb_release -a
詳解 lsb_release -a
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登錄到服務(wù)器執(zhí)行 lsb_release -a ,即可列出所有版本信息,例如:
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[root@3.5.5Biz-46 ~]# lsb_release -a
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LSB Version: 1.3
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Distributor ID: RedHatEnterpriseAS
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Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 1)
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Release: 4
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Codename: NahantUpdate1
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[root@3.5.5Biz-46 ~]#
這個(gè)命令適用于所有的linux,包括Redhat、SuSE、Debian等發(fā)行版。
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登錄到linux執(zhí)行cat /etc/redhat-release ,例如如下:
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[root@3.5.5Biz-46 ~]# cat /etc/redhat-release
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Red Hat Enterprise Linux AS release 4 (Nahant Update 1)
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[root@3.5.5Biz-46 ~]#
這種方式下可以直接看到具體的版本號,比如 AS4 Update 1
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登錄到linux執(zhí)行rpm -q redhat-release ,例如如下
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[root@3.5.5Biz-46 ~]# rpm -q redhat-release
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redhat-release-4AS-2.4
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[root@3.5.5Biz-46 ~]#
這種方式下可看到一個(gè)所謂的release號,比如上邊的例子是2.4
這個(gè)release號和實(shí)際的版本之間存在一定的對應(yīng)關(guān)系,如下:
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redhat-release-3AS-1 -> Redhat Enterprise Linux AS 3
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redhat-release-3AS-7.4 -> Redhat Enterprise Linux AS 3 Update 4
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redhat-release-4AS-2 -> Redhat Enterprise Linux AS 4
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redhat-release-4AS-2.4 -> Redhat Enterprise Linux AS 4 Update 1
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redhat-release-4AS-3 -> Redhat Enterprise Linux AS 4 Update 2
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redhat-release-4AS-4.1 -> Redhat Enterprise Linux AS 4 Update 3
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redhat-release-4AS-5.5 -> Redhat Enterprise Linux AS 4 Update 4
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