Linux experience WALL message (quite fun, huh!) LSPCI -V View hardware chip modification resolution vi / etc / x11 / fx86config, find Monitor modification clock divided into system-time and hardware clock, when startup, hardware clock To read the settings of the system clock, then the system clock will operate independently of hardware. View clock: Date Settings System Clock: Date 091713272004.30 Format: Date Month Year of the Year. Seconds View Hardware Clock: HWClock or Clock, command is similar. Set hardware Clock: hwclock --set --date = "04/11/2004 23:16:25" or clock --set --date = "04/11/2004 23:16:25" Hardware clock synchronization with system clock: hwclock --hctosys system clock or clock --hctosys hardware clock synchronization: hwclock --systohc or view the local clock --systohc arp MAC address ifconfig eth0 210.75.32.28 netmask 255.255.255.128 broadcast 210.75.32.127 IP address is added to the interface eth0 And mask ifconfig eth0 Down Close interface ifconfig eth0 Up Open interface FTP command: LS: List the remote machine change work directory CD: Change the work directory on the remote machine: Change the work catalog in the local machine: Terminate the current FTP conversation Get ( MGET): Specify files from the remote server to this machine PUT (MPUT): Upload from this machine to the remote server BYE: Leave more /root/.bash_history View Historical Command Bind multiple IP addresses on a network card: ifconfig eth0: 0 192.168.0.253 Netmask 255.255.255.0 ifconfig eth0: 1 192.168.0.252 Netmask 255.255.255.0 Put the ISO into a virtual optical drive DD if = / dev / cdrom off = jin.iso BS = 2048 ENV command to view environment variables du -h Display the file and each file size du -sh display directory accounts for how to find files under the total size of the hard disk? & Find files in the current directory * .sql: $ find. -Name "* .sql " Find a file greater than 100m: find. -Size 100000 & Find files with "China": Find. -Name "*" -exec grep -l "china" {} / & finds and deletes the TMP * file: find. -Name "TMP * -EXEC RM {} / & lookup for 7 days without modified file: find. -mtime
