Linux system basics with the Tang notes 5 7.24

Operation Step

1. Disk Partitioning

2. Create physical volumes--list physical volumes--Show physical volume properties

Create Volume Group--list volume group--Show volume group properties

Creating logical Volumes--listing logical volumes--displaying logical volume properties

3. format (create file system)

4. mount and display

Jobs: View background pending jobs

FG [ job number ]

Chkconfig

Binary program :/USR/SBIN/VSFTPD

configuration file :/etc/vsftpd/vsftpd.conf

startup script:/etc/rc.d/init.d/vsftpd

Manual Control Service:

/ETC/RC.D/INIT.D/VSFTPD start

/ETC/RC.D/INIT.D/VSFTPD stop

/ETC/RC.D/INIT.D/VSFTPD status

Servise vsftpd Start

Servise vsftpd Stop

Servise vsftpd Status

Automatic control

# chkconfig-list VSFPD

# chkconfig--level vsftpd on

# ll *vsftpd*

[Email protected] ~]# CD/ETC/RC5.D

[email protected] rc5.d]# ll *vsftpd*

lrwxrwxrwx. 1 root root 7 months 05:56 k50vsftpd. /INIT.D/VSFTPD

[Email protected] rc5.d]# chkconfig--level vsftpd on

[email protected] rc5.d]# ll *vsftpd*

lrwxrwxrwx. 1 root root 7 months 15:43 s60vsftpd. /INIT.D/VSFTPD

[Email protected] rc5.d]#

Kernel:

Chapter

to view process information: PS-EF | Grep

View All processes: ps-a

Show Important information for running processes /processes : Top top [ options ]

kill process:Kill

Kill-l Display signal name

Sleep 999&

Ps-ef | grep sleep

Pstree 21763 ( parent process pid of Sleep)

Kill 23945( pid of sleep )

Jobs: View the status of background jobs press CTRL + Z (closed but background hangs)

Sleep 999&

Kill-9 24069 ( forced kill 24069 process )

BG + Job number example:BG 2

FG + Job number

Chapter VII mission plan

additions and deletions crontab entry:crontab crontab[ options ]

crontab[ Options [ file ]

The sun and the moon cannot be seen together

*/2 * * * *:: Every 2 minutes

#Crontab-E: editing content

#* * * * * echo $ (date) >>/root/test.log: Show Date

#Crontab-L: View content

#Cat/var/spool/cron/root

#cat/var/log/cron

Linux system basics with the Tang notes 5 7.24