Linux self-study note--linux Network configuration, basic network commands

1. Network Configuration/etc/sysconfig/net-script/ifcfg-*

DEVICE: Interface Name

UUID: Device Unique indication

HWADDR: Network card Address

Onboot: Does the boot start

Bootproto:static|none|dhcp

Type:ethernet| Bridge

Dns1:dns Address

Peerdns: If the DNS address is automatically assigned to DHCP mode, override manual

Ipaddr:ip Address

NETMASK: Subnet Mask

Gateway: Gateways Address

2. Common network commands

Ip:

IP link Show

IP link Set device up|down:

IP addr Show

IP addr add|del ipaddr/netmask dev Device

IP Route Show

IP route Add|del default|ipaddr/netmask via Gateway

Ss:ss-tnlp

21:ftp 22:ssh 23:telnet 42:nameserver 80:http

123:NTP 443:htps

Ping:-I send period-C send number

Curl

Curl-u user:passwd-o ftp://... Download from FTP

Curl-u user:passwd-t./file ftp://... Upload

Curl-x PURGE IP Specifies the protocol to send, such as sending a custom PURGE to varnish

SCP:SCP./file [Email Protected]:/path/file

Tcpdump

tcpdump tcp|udp|icmp-i Device host hostname and prot port

Linux self-study note--linux Network configuration, basic network commands