Linux Directory details

Configuration file directory for NIC

/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0 # # #网卡的名字

hwaddr=00:0c:29:1e:67:61 #@ @hardware Address hardware addresses MAC address

Type=ethernet # # #互联网

uuid=3405d22b-1aab-45a5-b57f-c0d005e4f269 # # #UUID unique identity in the system

Onboot=yes #@ @booton whether to turn on the network card when restarting (autorun)

Nm_controlled=yes # # #是否能被 network software Management

Bootproto=none #@@ 网卡 card Gets the IP address none/static the IP address is fixed

DHCP automatically obtains IP addresses

ipaddr=10.0.0.200 #@@ IP Address

netmask=255.255.255.0 # # Subnet Mask

gateway=10.0.0.2 #@@ 网关 Default egress

Userctl=no # # #是否准许普通用户管理网卡开关 Restart

Peerdns=yes

dns1=223.5.5.5

dns2=223.6.6.6

Configure the file directory for DNS

/ETC/RESOLV.CONF network card Configuration takes precedence over DNS configuration

Configuring the host name and IP address of the file directory

/etc/hosts

Modifying the file directory of a host name

/etc/sysconfig/network

Configure the file directory to automatically mount the boot

/etc/fstab

Configure the boot autorun file directory

/etc/rc.local

Configuring the Run-level file directory

/etc/inittab

To configure the directory for service management commands

/etc/init.d

Configuring the System environment variable alias directory

/etc/profile

Compile the installed software default location

/usr/local

System default log information

/var/log/messages

Memory information

/proc/meminfo

View CPU Information

/proc/cpuinfo

Display System Mount Information

/proc/mounts

Linux Start-up process

1. Post BIOS
2. MBR boot
3. Grub Kernel Selection Menu
4. Load kernel
5. Running the init process
6. Read run level from/etc/inittab
7. Initialize the system according to/etc/rc.sysinit (set host name IP)
8. Start the corresponding software according to the operating level (boot software)
9. Run Mingetty Display Login interface

Linux Directory details