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Red Hat Linux常用命令
1、查看机器型号
[root@local ~]# dmidecode | grep "Product Name" Product Name: VMware Virtual Platform Product Name: 440BX Desktop Reference Platform
2、查询Linux发行版本
[root@local ~]# cat /etc/issue | grep LinuxRed Hat Enterprise Linux Server release 5.5 (Tikanga)
3、查询网卡信息
[root@local ~]# dmesg | grep -i ethe1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connectione1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Noneeth0: no IPv6 routers present
4、查看内存信息
[root@local ~]# cat /proc/meminfo MemTotal: 2057360 kBMemFree: 1145252 kBBuffers: 35588 kBCached: 641836 kBSwapCached: 0 kBActive: 334412 kBInactive: 501312 kBHighTotal: 0 kBHighFree: 0 kBLowTotal: 2057360 kBLowFree: 1145252 kBSwapTotal: 2096440 kBSwapFree: 2096440 kBDirty: 2308 kBWriteback: 0 kBAnonPages: 158340 kBMapped: 70468 kBSlab: 35288 kBPageTables: 14076 kBNFS_Unstable: 0 kBBounce: 0 kBCommitLimit: 3125120 kBCommitted_AS: 1578184 kBVmallocTotal: 34359738367 kBVmallocUsed: 264052 kBVmallocChunk: 34359473911 kBHugePages_Total: 0HugePages_Free: 0HugePages_Rsvd: 0Hugepagesize: 2048 kB
5、查看磁盘信息
[root@local ~]# fdisk -lDisk /dev/sda: 32.2 GB, 32212254720 bytes255 heads, 63 sectors/track, 3916 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sda1 * 1 13 104391 83 Linux/dev/sda2 14 2350 18771952+ 83 Linux/dev/sda3 2351 3655 10482412+ 83 Linux/dev/sda4 3656 3916 2096482+ 5 Extended/dev/sda5 3656 3916 2096451 82 Linux swap / SolarisDisk /dev/sdb: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdb1 1 261 2096451 83 LinuxDisk /dev/sdc: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdc1 1 261 2096451 83 LinuxDisk /dev/sdd: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdd1 1 261 2096451 83 LinuxDisk /dev/sde: 6442 MB, 6442450944 bytes255 heads, 63 sectors/track, 783 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sde1 1 783 6289416 83 LinuxDisk /dev/sdf: 4294 MB, 4294967296 bytes255 heads, 63 sectors/track, 522 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdf1 1 522 4192933+ 83 LinuxDisk /dev/sdg: 6442 MB, 6442450944 bytes255 heads, 63 sectors/track, 783 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdg1 1 783 6289416 83 LinuxDisk /dev/sdh: 6442 MB, 6442450944 bytes255 heads, 63 sectors/track, 783 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sdh1 1 783 6289416 83 Linux
6、查看已挂载分区情况
[root@local ~]# df -lh文件系统 容量 已用 可用 已用% 挂载点/dev/sda2 18G 15G 2.5G 86% //dev/sda3 9.7G 3.2G 6.1G 34% /tmp/dev/sda1 99M 15M 80M 16% /boottmpfs 2.0G 156M 1.9G 8% /dev/shm
7、查看IP地址
[root@local ~]# ifconfig -aeth0 Link encap:Ethernet HWaddr 00:0C:29:66:A7:7A inet addr:192.168.163.200 Bcast:192.168.163.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe66:a77a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2764 errors:0 dropped:0 overruns:0 frame:0 TX packets:1315 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:423897 (413.9 KiB) TX bytes:226241 (220.9 KiB)lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4205 errors:0 dropped:0 overruns:0 frame:0 TX packets:4205 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2593323 (2.4 MiB) TX bytes:2593323 (2.4 MiB)sit0 Link encap:IPv6-in-IPv4 NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
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