1 查看CPU
1.1 查看CPU个数
# cat /proc/cpuinfo | grep "physical id" | uniq | wc -l
2 **uniq命令:删除重复行;wc –l命令:统计行数**
1.2 查看CPU核数
# cat /proc/cpuinfo | grep "cpu cores" | uniq
cpu cores : 4
1.3 查看CPU型号
# cat /proc/cpuinfo | grep 'model name' |uniq
model name : Intel(R) Xeon(R) CPU E5630 @ 2.53GHz
总结:该服务器有2个4核CPU,型号Intel(R) Xeon(R) CPU E5630 @ 2.53GHz
2 查看内存
2.1 查看内存总数
#cat /proc/meminfo | grep MemTotal
MemTotal: 32941268 kB //内存32G
下面是一些命令的集合,供参考:
- uname -a # 查看内核/操作系统/CPU信息的linux系统信息
- head -n l /etc/issue # 查看操作系统版本
- cat /proc/cpuinfo # 查看CPU信息
- hostname # 查看计算机名的linux系统信息命令
- lspci -tv # 列出所有PCI设备
- lsusb -tv # 列出所有USB设备的linux系统信息命令
- lsmod # 列出加载的内核模块
- env # 查看环境变量资源
- free -m # 查看内存使用量和交换区使用量
- df -h # 查看各分区使用情况
- du -sh # 查看指定目录的大小
- grep MemTotal /proc/meminfo # 查看内存总量
- grep MemFree /proc/meminfo # 查看空闲内存量
- uptime # 查看系统运行时间、用户数、负载
- cat /proc/loadavg # 查看系统负载磁盘和分区
- mount | column -t # 查看挂接的分区状态
- fdisk -l # 查看所有分区
- swapon -s # 查看所有交换分区
- hdparm -i /dev/hda # 查看磁盘参数(仅适用于IDE设备)
- dmesg | grep IDE # 查看启动时IDE设备检测状况网络
- ifconfig # 查看所有网络接口的属性
- iptables -L # 查看防火墙设置
- route -n # 查看路由表
- netstat -lntp # 查看所有监听端口
- netstat -antp # 查看所有已经建立的连接
- netstat -s # 查看网络统计信息进程
- ps -ef # 查看所有进程
- top # 实时显示进程状态用户
- w # 查看活动用户
- id # 查看指定用户信息
- last # 查看用户登录日志
- cut -d: -f1 /etc/passwd # 查看系统所有用户
- cut -d: -f1 /etc/group # 查看系统所有组
- crontab -l # 查看当前用户的计划任务服务
- chkconfig –list # 列出所有系统服务
- chkconfig –list | grep on # 列出所有启动的系统服务程序
- rpm -qa # 查看所有安装的软件包
- cat /proc/cpuinfo :查看CPU相关参数的linux系统命令
- cat /proc/partitions :查看linux硬盘和分区信息的系统信息命令
- cat /proc/meminfo :查看linux系统内存信息的linux系统命令
- cat /proc/version :查看版本,类似uname -r
- cat /proc/ioports :查看设备io端口
- cat /proc/interrupts :查看中断
- cat /proc/pci :查看pci设备的信息
- cat /proc/swaps :查看所有swap分区的信息
2.2 查看内存条数
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|
# dmidecode |grep -A16 "Memory Device$"
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB //1条2G内存
Form Factor: DIMM
Set: 1
Locator: DIMM1
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: 667 MHz
Manufacturer: 7F7F7F7F7F510000
Serial Number: 0403E324
Asset Tag: 450721
Part Number: 72T256220HR3SA
--
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB //1条2G内存
Form Factor: DIMM
Set: 1
Locator: DIMM2
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: 667 MHz
Manufacturer: 7F7F7F7F7F510000
Serial Number: 0403E324
Asset Tag: 450721
Part Number: 72T256220HR3SA
--
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: No Module Installed //1个内存空槽
Form Factor: DIMM
Set: 2
Locator: DIMM3
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: Unknown
Manufacturer:
Serial Number:
Asset Tag:
Part Number:
--
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: No Module Installed //1个内存空槽
Form Factor: DIMM
Set: 2
Locator: DIMM4
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: Unknown
Manufacturer:
Serial Number:
Asset Tag:
Part Number:
--
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: No Module Installed //1个内存空槽
Form Factor: DIMM
Set: 3
Locator: DIMM5
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: Unknown
Manufacturer:
Serial Number:
Asset Tag:
Part Number:
--
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: No Module Installed //1个内存空槽
Form Factor: DIMM
Set: 3
Locator: DIMM6
Bank Locator: Not Specified
Type: DDR2
Type Detail: Synchronous
Speed: Unknown
Manufacturer:
Serial Number:
Asset Tag:
Part Number:
|
总结:该服务器有两条2G内存 ,空余4个插槽
3 查看硬盘
3.1 查看硬盘大小
# fdisk -l | grep Disk
Disk /dev/cciss/c0d0: 146.7 GB, 146778685440 bytes
总结:硬盘大小146.7G,即厂商标称的160G