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Monitor Tool 2019(1)Monit Installation and Usage
On CentOS 7
> sudo yum install monit
Check version
> monit -V
This is Monit version 5.25.1
Built with ssl, with ipv6, with compression, with pam and with large files
Copyright (C) 2001-2017 Tildeslash Ltd. All Rights Reserved.
Some useful command
Check configuration file
> sudo monit -t
Control file syntax OK
The configuration file will be
/etc/monitrc
/etc/monit.d/
Start the service
> sudo monit
Starting Monit 5.25.1 daemon with http interface at [localhost]:2812
Reload the configuration
> sudo monit reload
Reinitializing monit daemon
Check status
> sudo monit status
Monit 5.25.1 uptime: 1m
System 'rancher-home'
status OK
monitoring status Monitored
monitoring mode active
on reboot start
load average [0.09] [0.66] [0.49]
cpu 3.2%us 1.7%sy 0.7%wa
memory usage 1.3 GB [45.6%]
swap usage 264 kB [0.0%]
uptime 7m
boot time Sat, 12 Oct 2019 17:14:20
data collected Sat, 12 Oct 2019 17:21:46
My first simple configuration file is as follow:
> sudo vi /etc/monitrc
set daemon 30 # check services at 30 seconds intervals
set httpd port 2812 and
use address rancher-home
allow admin:admin
include /etc/monit.d/*
Visit this page to see some basic monitor informations.
http://rancher-home:2812/
We can configure all the monitor separately in /etc/monit.d/*
Check Disk
> df -lh
Filesystem Size Used Avail Use% Mounted on
devtmpfs 1.4G 0 1.4G 0% /dev
tmpfs 1.4G 0 1.4G 0% /dev/shm
tmpfs 1.4G 9.3M 1.4G 1% /run
tmpfs 1.4G 0 1.4G 0% /sys/fs/cgroup
/dev/mapper/centos-root 36G 12G 25G 33% /
/dev/sda1 1014M 232M 783M 23% /boot
tmpfs 285M 0 285M 0% /run/user/1000
Add the configuration file follow the pattern
check <Type> <ServiceName> [PATH <path>] [ADDRESS <host address>]
Type - system, file, process, fifo, filesystem, directory, host, network, program
> cat /etc/monit.d/filesystem
check filesystem datafs with path /dev/mapper/centos-root
if space usage > 50% then alert
group server
Check config
> sudo monit -t
Control file syntax OK
Restart the service
> sudo monit reload
Reinitializing monit daemon
More example:
https://www.cnblogs.com/52fhy/p/6412547.html
Try monitor HAProxy
http://rancher-home:8100/stats
PID file
> ls -l /opt/haproxy/haproxy.pid
-rw-r--r--. 1 root root 12 Oct 13 11:33 /opt/haproxy/haproxy.pid
REG process
> ps -ef | grep haproxy
nobody 23904 1 0 11:33 ? 00:00:00 sbin/haproxy -f conf/haproxy.conf
nobody 23905 1 0 11:33 ? 00:00:00 sbin/haproxy -f conf/haproxy.conf
carl 25127 17104 0 11:38 pts/1 00:00:00 grep --color=auto haproxy
Here is how the haproxy configuration
> cat /etc/monit.d/haproxy
check process haproxy with pidfile /opt/haproxy/haproxy.pid
start program = "/opt/haproxy/sbin/haproxy -f /opt/haproxy/conf/haproxy.conf" with timeout 20 seconds
stop program = "/usr/bin/kill haproxy"
if changed pid then restart
Latest document
https://mmonit.com/monit/documentation/monit.html
Source Installation
https://cloud.tencent.com/developer/article/1114319
Check the latest version from here
https://mmonit.com/monit/dist/
> wget https://mmonit.com/monit/dist/monit-5.26.0.tar.gz
> tar zxvf monit-5.26.0.tar.gz
> cd monit-5.26.0
Some possible Exception
configure: error: libz not found
configure: error: PAM enabled but headers or library not found, install the PAM development support or run configure --without-pam
Couldn't find your SSL header files.
Use --with-ssl-incl-dir option to fix this problem or disable
the SSL support with --without-ssl
Prepare build ENV if needed
> sudo yum groupinstall "Development tools"
> sudo yum install zlib-devel
> sudo yum list *pam*
> sudo yum install pam-devel
> sudo yum install openssl-devel
Configure and Build
> ./configure --prefix=/home/carl/tool/monit-5.26.0
> make
> make install
Prepare the configuration file
> sudo cp monitrc /etc/monitrc
> sudo chown root:root /etc/monitrc
> sudo chmod 0700 /etc/monitrc
> sudo ln -s /home/carl/tool/monit-5.26.0 /opt/monit-5.26.0
> sudo ln -s /opt/monit-5.26.0 /opt/monit
Change the configuration as follow:
set httpd port 2812 and
use address rancher-worker2
allow 0.0.0.0/0.0.0.0
allow admin:admin
include /etc/monit.d/*
Start the service
> sudo bin/monit
References:
https://www.jianshu.com/p/248d6456e83f
https://linjunzhu.github.io/blog/2015/08/14/ru-he-shi-yong-monitjian-kong-jin-cheng/
https://mmonit.com/monit/documentation/monit.html
https://cloud.tencent.com/developer/article/1114319
On CentOS 7
> sudo yum install monit
Check version
> monit -V
This is Monit version 5.25.1
Built with ssl, with ipv6, with compression, with pam and with large files
Copyright (C) 2001-2017 Tildeslash Ltd. All Rights Reserved.
Some useful command
Check configuration file
> sudo monit -t
Control file syntax OK
The configuration file will be
/etc/monitrc
/etc/monit.d/
Start the service
> sudo monit
Starting Monit 5.25.1 daemon with http interface at [localhost]:2812
Reload the configuration
> sudo monit reload
Reinitializing monit daemon
Check status
> sudo monit status
Monit 5.25.1 uptime: 1m
System 'rancher-home'
status OK
monitoring status Monitored
monitoring mode active
on reboot start
load average [0.09] [0.66] [0.49]
cpu 3.2%us 1.7%sy 0.7%wa
memory usage 1.3 GB [45.6%]
swap usage 264 kB [0.0%]
uptime 7m
boot time Sat, 12 Oct 2019 17:14:20
data collected Sat, 12 Oct 2019 17:21:46
My first simple configuration file is as follow:
> sudo vi /etc/monitrc
set daemon 30 # check services at 30 seconds intervals
set httpd port 2812 and
use address rancher-home
allow admin:admin
include /etc/monit.d/*
Visit this page to see some basic monitor informations.
http://rancher-home:2812/
We can configure all the monitor separately in /etc/monit.d/*
Check Disk
> df -lh
Filesystem Size Used Avail Use% Mounted on
devtmpfs 1.4G 0 1.4G 0% /dev
tmpfs 1.4G 0 1.4G 0% /dev/shm
tmpfs 1.4G 9.3M 1.4G 1% /run
tmpfs 1.4G 0 1.4G 0% /sys/fs/cgroup
/dev/mapper/centos-root 36G 12G 25G 33% /
/dev/sda1 1014M 232M 783M 23% /boot
tmpfs 285M 0 285M 0% /run/user/1000
Add the configuration file follow the pattern
check <Type> <ServiceName> [PATH <path>] [ADDRESS <host address>]
Type - system, file, process, fifo, filesystem, directory, host, network, program
> cat /etc/monit.d/filesystem
check filesystem datafs with path /dev/mapper/centos-root
if space usage > 50% then alert
group server
Check config
> sudo monit -t
Control file syntax OK
Restart the service
> sudo monit reload
Reinitializing monit daemon
More example:
https://www.cnblogs.com/52fhy/p/6412547.html
Try monitor HAProxy
http://rancher-home:8100/stats
PID file
> ls -l /opt/haproxy/haproxy.pid
-rw-r--r--. 1 root root 12 Oct 13 11:33 /opt/haproxy/haproxy.pid
REG process
> ps -ef | grep haproxy
nobody 23904 1 0 11:33 ? 00:00:00 sbin/haproxy -f conf/haproxy.conf
nobody 23905 1 0 11:33 ? 00:00:00 sbin/haproxy -f conf/haproxy.conf
carl 25127 17104 0 11:38 pts/1 00:00:00 grep --color=auto haproxy
Here is how the haproxy configuration
> cat /etc/monit.d/haproxy
check process haproxy with pidfile /opt/haproxy/haproxy.pid
start program = "/opt/haproxy/sbin/haproxy -f /opt/haproxy/conf/haproxy.conf" with timeout 20 seconds
stop program = "/usr/bin/kill haproxy"
if changed pid then restart
Latest document
https://mmonit.com/monit/documentation/monit.html
Source Installation
https://cloud.tencent.com/developer/article/1114319
Check the latest version from here
https://mmonit.com/monit/dist/
> wget https://mmonit.com/monit/dist/monit-5.26.0.tar.gz
> tar zxvf monit-5.26.0.tar.gz
> cd monit-5.26.0
Some possible Exception
configure: error: libz not found
configure: error: PAM enabled but headers or library not found, install the PAM development support or run configure --without-pam
Couldn't find your SSL header files.
Use --with-ssl-incl-dir option to fix this problem or disable
the SSL support with --without-ssl
Prepare build ENV if needed
> sudo yum groupinstall "Development tools"
> sudo yum install zlib-devel
> sudo yum list *pam*
> sudo yum install pam-devel
> sudo yum install openssl-devel
Configure and Build
> ./configure --prefix=/home/carl/tool/monit-5.26.0
> make
> make install
Prepare the configuration file
> sudo cp monitrc /etc/monitrc
> sudo chown root:root /etc/monitrc
> sudo chmod 0700 /etc/monitrc
> sudo ln -s /home/carl/tool/monit-5.26.0 /opt/monit-5.26.0
> sudo ln -s /opt/monit-5.26.0 /opt/monit
Change the configuration as follow:
set httpd port 2812 and
use address rancher-worker2
allow 0.0.0.0/0.0.0.0
allow admin:admin
include /etc/monit.d/*
Start the service
> sudo bin/monit
References:
https://www.jianshu.com/p/248d6456e83f
https://linjunzhu.github.io/blog/2015/08/14/ru-he-shi-yong-monitjian-kong-jin-cheng/
https://mmonit.com/monit/documentation/monit.html
https://cloud.tencent.com/developer/article/1114319
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Update Site will come soon
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Stop Update Here
2020-04-28 09:00 260I will stop update here, and mo ... -
NodeJS12 and Zlib
2020-04-01 07:44 430NodeJS12 and Zlib It works as ... -
Docker Swarm 2020(2)Docker Swarm and Portainer
2020-03-31 23:18 310Docker Swarm 2020(2)Docker Swar ... -
Docker Swarm 2020(1)Simply Install and Use Swarm
2020-03-31 07:58 321Docker Swarm 2020(1)Simply Inst ... -
Traefik 2020(1)Introduction and Installation
2020-03-29 13:52 291Traefik 2020(1)Introduction and ... -
Portainer 2020(4)Deploy Nginx and Others
2020-03-20 12:06 378Portainer 2020(4)Deploy Nginx a ... -
Private Registry 2020(1)No auth in registry Nginx AUTH for UI
2020-03-18 00:56 373Private Registry 2020(1)No auth ... -
Docker Compose 2020(1)Installation and Basic
2020-03-15 08:10 326Docker Compose 2020(1)Installat ... -
VPN Server 2020(2)Docker on CentOS in Ubuntu
2020-03-02 08:04 397VPN Server 2020(2)Docker on Cen ... -
Buffer in NodeJS 12 and NodeJS 8
2020-02-25 06:43 334Buffer in NodeJS 12 and NodeJS ... -
NodeJS ENV Similar to JENV and PyENV
2020-02-25 05:14 415NodeJS ENV Similar to JENV and ... -
Prometheus HA 2020(3)AlertManager Cluster
2020-02-24 01:47 359Prometheus HA 2020(3)AlertManag ... -
Serverless with NodeJS and TencentCloud 2020(5)CRON and Settings
2020-02-24 01:46 292Serverless with NodeJS and Tenc ... -
GraphQL 2019(3)Connect to MySQL
2020-02-24 01:48 208GraphQL 2019(3)Connect to MySQL ... -
GraphQL 2019(2)GraphQL and Deploy to Tencent Cloud
2020-02-24 01:48 390GraphQL 2019(2)GraphQL and Depl ... -
GraphQL 2019(1)Apollo Basic
2020-02-19 01:36 275GraphQL 2019(1)Apollo Basic Cl ... -
Serverless with NodeJS and TencentCloud 2020(4)Multiple Handlers and Running wit
2020-02-19 01:19 264Serverless with NodeJS and Tenc ... -
Serverless with NodeJS and TencentCloud 2020(3)Build Tree and Traverse Tree
2020-02-19 01:19 259Serverless with NodeJS and Tenc ... -
Serverless with NodeJS and TencentCloud 2020(2)Trigger SCF in SCF
2020-02-19 01:18 252Serverless with NodeJS and Tenc ...
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