Linux host monitoring information display, linux host monitoring

Source: Internet
Author: User

Linux host monitoring information display, linux host monitoring
Storage information display:
Overall space and free space display

[Root @ ora11g64 ~] # Df-h
File System capacity used available % mount point
/Dev/mapper/VolGroup00-LogVol00
37G 15G 20G 43%/
/Dev/sda1 99 M 23 M 71 M 25%/boot
Tmpfs 3.0G 0 3.0G 0%/dev/shm


Disk Information Display (name/size/usage)
[Root @ ora11g64 ~] # Fdisk-l


Disk/dev/sda: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 cylinders
Units = cylinders of 16065*512 = 8225280 bytes


Device Boot Start End Blocks Id System
/Dev/sda1*1 13 104391 83 Linux
/Dev/sda2 14 5221 41833260 8e Linux LVM


Disk/dev/dm-0: 40.7 GB, 40701526016 bytes
255 heads, 63 sectors/track, 4948 cylinders
Units = cylinders of 16065*512 = 8225280 bytes


Disk/dev/dm-0 doesn't contain a valid partition table



File System Information Display (name/size/usage)
[Root @ ora11g64 ~] # Df-k
File System 1 K-block used available % mount point
/Dev/mapper/VolGroup00-LogVol00
38502208 15660604 20854228 43%/
/Dev/sda1 101086 23531 72336 25%/boot
Tmpfs 3057028 0 3057028 0%/dev/shm




Show all database names on the host
[Oracle @ ora11g64 ~] $ Ps-ef | grep pmon
Oracle 20281 1 0? 00:00:01 ora_pmon_ORA11G
Oracle 22417 22377 0 00:00:00 pts/3 grep pmon
[Oracle @ ora11g64 ~] $ Ps-ef | grep smon
Oracle 20327 1 0? 00:00:01 ora_smon_ORA11G
Oracle 22422 22377 0 00:00:00 pts/3 grep smon
[Oracle @ ora11g64 ~] $ Cat/etc/oratab
#






# This file is used by ORACLE utilities. It is created by root. sh
# And updated by the Database Configuration Assistant when creating
# A database.


# A colon, ':', is used as the field terminator. A new line terminates
# The entry. Lines beginning with a pound sign, '#', are comments.
#
# Entries are of the form:
# $ ORACLE_SID: $ ORACLE_HOME: <N | Y>:
#
# The first and second fields are the system identifier and home
# Directory of the database respectively. The third filed indicates
# To the dbstart utility that the database shocould, "Y", or shocould not,
# "N", be brought up at system boot time.
#
# Multiple entries with the same $ ORACLE_SID are not allowed.
#
#
ORA11G:/u01/app/oracle/product/11.2.0/db_1: N
How can I add the nconf User Manual to monitor linux Hosts? I have monitored the local server information, but how can I set it?

Check whether the plug-ins are not installed. If all the plug-ins in Bahrain are not installed, it may be a problem with some plug-ins.

How does one display system information in linux?

# Uname-a # view kernel/operating system/CPU Information
# Head-n 1/etc/issue # view the operating system version
# Cat/proc/cpuinfo # view CPU Information
# Hostname # view the computer name
# Lspci-TV # list all PCI devices
# Lsusb-TV # list all USB devices
# Lsmod # list loaded Kernel Modules
# Env # view environment variables

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