English • русский • 中文(中国大陆) • 日本語 • 한국어
Armas Brom, better known as The Monitor is one of Dominion commanders and special operative tasked in leading his forces at Bastion. He serves as the main antagonist in 2019 online multiplayer action roleplaying video game Anthem. Ten years prior to the events of the game, the Monitor, alongside Doctor Harken, led an assault on Freemark, seeking to secure and utilize Cenotaph through which. Monit can be easily installed with package manager in most of Linux flavors. Monit can restart a process automatically if process dies or monitor process characteristics, such as memory or cpu cycles and alert by email or execute and action. Additionally M/Monit can monitor and manage distributed computer systems, M/Monit uses Monit as an agent and can manage and monitor. M/Monit is a licensed software.
Home
A monitor was a relatively small warship which was neither fast nor strongly armored but carried disproportionately large guns. They were used by some navies from the 1860s, during the First World War and with limited use in the Second World War. Monitor/index.txt Last modified: 2020/01/03 17:03 by digital man Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution 4.0 International.
Open Hub
app-admin/monit is a utility for managing and monitoring processes, programs, files, directories and filesystems on a UNIX system.
- 1Configuration
- 3Debugging monit
Configuration
Installing monit
The app-admin/monit application has the following USE flags:
USE flags forapp-admin/monitMonitoring and managing daemons or similar programs running on a Unix system
ipv6 | Add support for IP version 6 |
libressl | Use dev-libs/libressl instead of dev-libs/openssl when applicable (see also the ssl useflag) |
pam | Add support for PAM (Pluggable Authentication Modules)DANGEROUS to arbitrarily flip |
ssl | Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security) |
Data provided by the Gentoo Package Database · Last update: 2020-06-30 07:21 More information about USE flags
Once the USE flags are properly determined, install app-admin/monit through emerge:
![Monit Monit](https://vignette.wikia.nocookie.net/p__/images/b/be/3483242-1827620361-monit.jpg/revision/latest?cb=20160617155045&path-prefix=protagonist)
Monit configuration files
The Monit application uses /etc/monitrc as its configuration file.
To make adding and removing monitoring definitions easy, monit supports including files inside a specified directory (usually /etc/monit.d. To enable this, edit /etc/monitrc like so:
FILE
/etc/monitrc
Allowing flexible configuration entriesWhen a Monit related configuration file is altered, tell monit to reread its configuration settings:
Automatically starting monit at boot
It is recommended to start monit through the /etc/inittab so that init itself launches the monit application, and will automatically relaunch it when monit would suddenly die. Starting monit through an init script would not provide this functionality.
FILE
/etc/inittab
Auto restart monit in case of failureAfter updating /etc/inittab, monit can be immediately started through telinit q.
User management
Users added to the monit or users group will be able to manipulate monit through its web interface.
To add users to one of these groups, use gpasswd:
root #
gpasswd -a $USER users
Inside the /etc/monitrc file, the
allow
statement should refer to these groups, like so:FILE
/etc/monitrc
Granting groups access to the web interfaceIt is also possible to hard-code usernames and passwords in the monitrc file, but this is not recommended. Check the monitrc file for default passwords and remove those, or alter them to use a strong, unique password. The syntax used then is
allow <username>:<password>
.Monit web interface
The default location of the web interface is at localhost:2812, with
admin
as admin username and monit
as default password. Make sure to change this!Monitoring applications through monit
The Monit application uses PID file checks to see if an application is still running or not. That implies that a PID file must be available for an application, otherwise monit cannot guard it. If a daemon does not create a PID file, use a wrapper to create one.
Note
The use of PID files (and validating PIDs from tools like ps) for monitoring is often said to be broken[1]. Monit does try to overcome this weakness by checking the PID file frequently enough to be reliable.
The use of PID files (and validating PIDs from tools like ps) for monitoring is often said to be broken[1]. Monit does try to overcome this weakness by checking the PID file frequently enough to be reliable.
Through using the /etc/monit.d/ location, it is easy to add in additional monitoring rules.
For instance, to automatically restart MySQL when it would die:
Another example is to manage the memory usage of a process and create an alert when it grows beyond a certain threshold:
FILE
/etc/monit.d/squid
Check squid and alert on memory consumption bigger than 512 MByteDebugging monit
Running monit in the foreground
To run monit in the foreground and provide feedback on everything it is detecting, use the
-Ivv
option:External resources
For more information about Monit, the following resources can help out.
References
- ↑Greg Wooledge. Process management, Retrieved on January 1st, 2015
Retrieved from 'https://wiki.gentoo.org/index.php?title=Monit&oldid=621038'
Monit, not to be confused to M/Monit, is an AGPL3.0 licensed system and process monitoring tool. Monit can automatically restart crashed services, display temperatures from standard hardware (through lm_sensors and hard drives from smartmontools for example). Service alerts can be sent based on a wide criteria including a single occurrence or occurrences over a period of time. It can be accessed directly through the command line or ran as a web app using its integrated HTTP(S) server. This allows quick and streamlined snapshot of a given systems status.
- 2Configuration
- 3Configuration examples
- 3.6Hard drive health and temperature using scripts
- 4Alert recipients: global or subsystem based
Installation
Install the monit package and any software for optional testing such as lm_sensors or smartmontools. Once you have completed the configuration, be sure to enable and start the
monit
Swinsian 2 1 1 – music manager and player app. service.![Monitor wikipedia srpski Monitor wikipedia srpski](https://usermanual.wiki/Pdf/1000469088Brochure.112096839/asset-d.png)
Configuration
Monit keeps a main configuration file as
/etc/monitrc
. You can choose to edit this file but if you wish to run scripts (such as to get hard drive temperatures or health status) you should uncomment the last directive of include /etc/monit.d/*
, save /etc/monitrc
and create /etc/monit.d/
.Note: Monit requires the
/etc/monitrc
file (and potentially files stored in /etc/monit.d
) to have 0700
permissions. Failure to comply will result in Monit failing to start.Dell Monitors Wiki
Configuration syntax
Monit utilizes a configuration syntax that makes it very easy to read; essentially
check WHAT
followed by if THING condition THEN action
format. Any occurrence of if
, and
, with(in)
, has
, us(ing|e)
, on(ly)
, then
, for
, of
in the configuration file is for human readability only and are completely ignored by Monit.Configuration examples
Mailserver declaration
Email notification format
Note: The above variables such as
$SERVICE
are not generic examples but are specific variable names which Monit replaces with what the alert is, on what system, etc.CPU, memory and swap utilization
Filesystem(s) usage
Process monitoring
Note: For the above samba example, the first block has
depends on smbd_bin
, this makes the testing of Samba require the actual smbd
processComputer Monitor Definition
Hard drive health and temperature using scripts
Temperature
Create the file
/etc/monit.d/scripts/hdtemp.sh
as well as the /etc/monit.d/scripts
folder if necessary.In this example, the
/etc/monit.d/scripts/hdtemp.sh
script assumes your drive path is /dev/sdX
where X
is filled in by the letter at the end of the check
declaration. A similar method is used for the SMART health status in the next example.SMART health status
Tip: The
group
declaration will cause Monit to display all assigned checks with the same group name (in this case samba) together.Alert recipients: global or subsystem based
Monitor Dc
Alerts can be set globally, where a given user / email address is alerted for any
alert
condition; or you can set an alert recipient for each type of check (eg network alerts go to recipient A; process alerts go to recipient B). You can set as many global or subsystem recipients as you like, just make multiple declarations.Global alerts
Monit Wiki
Global alerts are set outside of any subsystem checks; for ease of reading they should be set in the same location as the mailserver declaration. Metro redux.
Subsystem alerts
Monitor Wikipedia
Subsystem alerts are set very similarly to global alerts except they lack the
SET
flag.See also
Retrieved from 'https://wiki.archlinux.org/index.php?title=Monit&oldid=548942'