## 查看系統 PCI 設備:
```
lspci
```
## 查看 CPU 信息:
```
more /proc/cpuinfo
```
### 查看系統物理 CPU 的個數:
```
cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l
```
### 查看每個物理 CPU 中內核的個數:
```
cat /proc/cpuinfo | grep "cpu cores"
```
### 查看系統所有邏輯 CPU 個數(所有物理 CPU 中內核的個數加上超線程個數):
```
cat /proc/cpuinfo | grep "processor" | wc -l
```
## 查看系統內存信息
```
more /proc/meminfo
```
## 查看磁盤分區信息
```
fdisk -l
```
- Linux Server
- 實用命令
- services
- Samba
- /etc/samba/smb.conf
- NFS
- Http
- httpd.conf
- lamp
- FTP
- /etc/vsftpd/vsftpd.conf
- ftp實例
- iSCSI
- SElinux
- DNS
- master
- slave
- subdomain
- 相關配置文件
- /etc/hosts
- /etc/resolv.conf
- /etc/named.conf
- /var/named/named.ca
- /var/named/named.localhost&named.loopback
- DHCP
- /etc/dhcp/dhcpd.conf
- mysql
- Redis
- Git
- HAProxy
- haproxy
- openssl
- nodejs