Htop linux установка centos

Всем привет, сегодня хочу рассказать как в centos htop добавить. Напомню htop это утилита командной строки, которая в реальном времени показывает вам загрузку всех ваших ресурсов и процессов нагружающих систему, некий такой аля мониторинг ресурсов в Windows. Ниже рассмотрим установку для разных версий. Если же у вас много хостов, то целесообразно использовать уже специальные серверы мониторинга, по типу Zabbix

Htop в centos

Давайте посмотрим, каким же методом вы можете произвести инсталляцию htop в centos, так как после установки Centos 7, хотелось бы видеть, кто и сколько кушает.

Для 32 битной версии

## For RHEL 5, CentOS 5 & Fedora ##
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
# rpm -ihv rpmforge-release*.rf.i386.rpm

## For RHEL 6 and CentOS 6
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
# rpm -ihv rpmforge-release*.rf.i686.rpm

## For RHEL 6 and CentOS 7
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el7.rf.i686.rpm
# rpm -ihv rpmforge-release*.rf.i686.rpm

Для 64 битной версии

## For RHEL 5, CentOS 5 & Fedora ##
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
# rpm -ihv rpmforge-release*.rf.x86_64.rpm

## For RHEL 6 and CentOS 6
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
# rpm -ihv rpmforge-release*.rf.x86_64.rpm

## For RHEL 6 and CentOS 7
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el7.rf.x86_64.rpm
# rpm -ihv rpmforge-release*.rf.x86_64.rpm

Как видите установка htop на centos весьма простое действие, занимающее пару минут.

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How to install htop on CentOS Linux 8

How to install htop on CentOS 8 using yum

The procedure for installing htop CentOS Linux 8 is as follows:

Open the terminal window.
For remote CentOS 8 server login using ssh command.
Turn on EPEL repo
Execute sudo yum search htop command to search for htop on CentOS
Run sudo yum install htop to install htop in CentOS 8
Update sudo yum update htop to upgrade htop to the latest version in CentOS 8

Let us see all steps and examples in details.

Turn on EPEL repo on CentOS 8

Make sure EPEL repo enabled and installed on CentOS 8. If not, run:
vivek@centos8-box:$ sudo yum -y install epel-release
vivek@centos8-box:$ sudo yum repolist

Please note that vivek@centos8-box:$ is my shell prompt. You need to type all commands after that prompt. Also you can use the dnf command instead of yum on CentOS 8.

CentOS Linux 8 install htop

It is important that you know how to search for any packages. Therefore type the following command to search for htop package using yum command:
vivek@centos8-box:$ sudo yum search htop
Sample outputs:

Find information about htop package

Run the following command:
vivek@centos8-box:$ sudo yum info htop
Sample outputs:

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Installing htop on CentOS 8

First, make sure you system is up to date:
vivek@centos8-box:$ sudo yum update
vivek@centos8-box:$ sudo yum upgrade
Finally, run the following to install htop on CentOS:
vivek@centos8-box:$ sudo yum install htop

Installing htop on CentOS Enterprise Linux 8 server

How to use htop command

One can use a monochrome color scheme, run:

vivek@centos8-box:$ htop -C
vivek@centos8-box:$ htop —no-color

Want to see the tree view by default when running htop? Try:

vivek@centos8-box:$ htop -t
vivek@centos8-box:$ htop —tree
Let us see only processes of a given user named vivek:
vivek@centos8-box:$ htop -u vivek
vivek@centos8-box:$ htop —user=vivek
vivek@centos8-box:$ htop —user=nginx
Limit and show process for only the given PIDs:
vivek@centos8-box:$ htop -p PID
vivek@centos8-box:$ htop -p PID1,PID2
vivek@centos8-box:$ htop —pid=PID,[,PID,PID. ] vivek@centos8-box:$ htop -p 1992
vivek@centos8-box:$ htop -p 1244,2233

CentOS htop keyboard shortcut keys

The following commands are supported while in htop:

Command	Description
Up arrow key	Select (highlight) the previous process in the process list. Scroll the list if necessary.
Down arrow key	Select (highlight) the next process in the process list. Scroll the list if necessary.
Left arrow key	Scroll the process list left.
Right arrow key	Scroll the process list right.
PgUp, PgDn	Scroll the process list up or down one window.
Home	Scroll to the top of the process list and select the first process.
End	Scroll to the bottom of the process list and select the last process.
s	Trace process system calls: if strace(1) is installed, pressing this key will attach it to the currently selected process, presenting a live update of system calls issued by the process.
l	Display open files for a process: if lsof(1) is installed, pressing this key will display the list of file descriptors opened by the process.

Other keyboard shortcuts

u	Show only processes owned by a specified user.
M	Sort by memory usage (top compatibility key).
P	Sort by processor usage (top compatibility key).
T	Sort by time (top compatibility key).
F	“Follow” process: if the sort order causes the currently selected process to move in the list, make the selection bar follow it. This is useful for monitoring a process: this way, you can keep a process always visible on screen. When a movement key is used, “follow” loses effect.
K	Hide kernel threads: prevent the threads belonging the kernel to be displayed in the process list. (This is a toggle key.)
H	Hide user threads: on systems that represent them differently than ordinary processes (such as recent NPTL-based systems), this can hide threads from userspace processes in the process list. (This is a toggle key.)
p	Show full paths to running programs, where applicable. (This is a toggle key.)
Ctrl-L	Rfresh the screen.
F1	See this help menu.

How to get help about htop

Simply pass the —help option. For example:
vivek@centos8-box:$ htop —help
vivek@centos8-box:$ man htop

Optional: Linux hide processes when using htop

Set up hidepid=2 option as described here:
$ sudo mount -o remount,rw,nosuid,nodev,noexec,relatime,hidepid=2 /proc
$ htop

Conclusion

This page showed you how to install and use htop on CentOS Unix server. It has many more option. Hence, see the htop home page online here or read man page.

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linux-notes.org

Установка HTOP в RHEL, CentOS и Fedora Linux

Htop является интерактивным режимом реального времени и системой-мониторинга «процесс-зритель» который написанный для Linux. Он предназначен для замены программы top в Unix. Она показывает часто обновленный список процессов, запущенных на компьютере, как правило. В отличие от top, HTOP предоставляет полный список процессов, запущенных. Htop использует цвет и дает визуальную информацию о процессоре, своп и состояние памяти.

Сравнение между Htop и top

— В «Htop» вы можете прокручивать список по вертикали и горизонтали, чтобы увидеть все процессы и все командные строки.
— В «top» возможна задержка для каждого неназначенной нажатой клавиши (особенно раздражает, когда несколько ключей управляющие последовательности вызывают аварии).
— ‘HTOP’ стартует быстрее (‘top’, кажется, собирать данные в течение некоторого времени перед отображением).
— В «Htop» вам не нужно набирать номер процесса, чтобы убить процесс, в ‘top’ вы должны знать его.
— В «Htop» вам не нужно набирать номер процесса или значение приоритета для изменить приоритет процесса, в «top» вы делаете это.
— ‘HTOP «поддерживает работу мыши.
— ‘top’ старше, следовательно, больше привыкли к нему.

Установка HTOP на RHEL / CentOS 5.x/6.x/7.x, Fedora 12/13/14/15/16/17/18/19/20

На RHEL, CentOS, инструмент HTOP не доступен в репозитории yum по умолчанию. Таким образом, мы подключим репозиторий RPMForge.

Узнать какая разрядность ОС можно выполнив команду:

После включения хранилище RPMForge установить HTOP можно выполнив yum команду:

Установка Htop из исходного кода

Если вы предпочитаете устанавливать Htop от соусе, загрузить исходный код и скомпилировать его:

Как использовать Htop команду

После установки, просто введите HTOP в терминале, чтобы запустить его, и обратите внимание на большой текстовый режим график в верхней части дисплея:

Нажмите «F2», чтобы увидеть меню настройки HTOP :

Если вы хотите увидеть список процессов в виде древо процессов то используйте «F5» или «Т»

Измените выход интервала обновления

Чтобы изменить интервал обновления выхода Htop, используйте D-опции командной строки. «htop -d x». Где х упоминается в thenths секунд.

Функциональные клавиши Htop

На этом подошла тема «Установка HTOP в RHEL, CentOS и Fedora Linux» к завершению.

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Htop – An Interactive Process Viewer for Linux

This article is the continuation of our Linux system monitoring series, today we’re talking about the most popular monitoring tool called htop, which is just reached version 3.0.5 and comes with some cool new features.

Htop Linux Process Monitoring Tool

Htop is an interactive real-time process monitoring application for Linux/Unix-like systems and also a handy alternative to top command, which is a default process monitoring tool that comes pre-installed on all Linux operating systems.

Htop has numerous other user-friendly features, which are not available under the top command and they are:

In htop, you can scroll vertically to view the full process list and scroll horizontally to view the full command lines.
It starts very quickly as compared to the top because it doesn’t wait to fetch data during startup.
In htop, you can kill more than one process at once without inserting their PIDs.
In htop, you no longer needed to enter the process number or priority value to re-nice a process.
Press “e” to print the set of environment variables for a process.
Use the mouse to select list items.

Install Htop in Linux

The htop packages are mostly available in all modern Linux distributions and can be installed using the default package manager from your system.

Источник

How to Install htop on CentOS 8

If you are looking to monitor your system interactively, then the htop command should be one of your best options. An improvement of its predecessor top command, htop is an interactive process viewer and system monitor that displays resource-usage metrics in color and allows you to easily keep tabs on your system’s performance.

It displays information about CPU & RAM utilization, tasks being carried out, load average and uptime. Additionally, htop displays a list of all the running processes and can also display these processes in a tree-like format.

Advantages of htop over top include

Colored output resource usage statistics.
The ability to end or kill processes without typing their PIDs.
Htop allows mouse usage, unlike top which doesn’t support it.
Better performance than top command.

Let’s now jump in and see how to install this handy feature.

Install htop on CentOS 8

By default, htop comes pre-installed on CentOS8. However, if by any chance the tool is missing on your system, installation is an easy 3 step process.

1. The first step in the installation of the Htop tool is to enable the EPEL repository. To do so, run:

After the installation of the EPEL repository, update the system.

2. To install htop tool, simply run the command:

Install htop in CentOS 8

After the installation is complete, you can find more information about htop by running the command.

Get htop Info

3. To launch htop, simply run the command.

htop – interactive system-monitor process-viewer and process-manager

Additionally, you can pass some arguments to the command. For example, to list the processes of a user. let’s say tecmint run the command.

htop List User Processes

To get help with the command usage, simply run.

Get htop Help

Alternatively, you can view the man pages by running:

Conclusion

In this article, you learned how to install htop on CentOS 8 and how to use the command to retrieve system statistics.

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