CLI Server Dynamic Monitoring Tools
[サーバリソース全体の概要をウォッチする]
[top]
言わずと知れた タスク/プロセス/Load/Cpu/Memory/Swap の概要情報を表示する
Description : N/A
[atop]
topで表示する内容にNetwork/Disk が追加され、より詳細に表示。
Description : An advanced interactive monitor for Linux-systems to view the load on
: system-level and process-level.
: The command atop has some major advantages compared to other
: performance-monitors:
: - Resource consumption by all processes
: - Utilization of all relevant resources
: - Permanent logging of resource utilization
: - Highlight critical resources
: - Watch activity only
: - Watch deviations only
: - Accumulated process activity per user
: - Accumulated process activity per program
: For more informations: http://www.atcomputing.nl/Tools/atop
: The package does not make use of the patches available at
: http://www.atcomputing.nl/Tools/atop/kernpatch.html
[htop]
top がカラーになって新登場。
Description : htop is an interactive text-mode process viewer for Linux, similar to top(1).
[glances]
表示内容は top とほぼ変わらず。(Python で書かれいる)
Description : Glances is a CLI curses based monitoring tool for both GNU/Linux and BSD. Glances uses the PsUtil library to get information from your system. It is developed in Python.
[ディスク/ファイルに関するリソースの詳細をウォッチする]
[iotop]
ディスクI/O 発生量をプロセスと共にリスト表示する
Description : Linux has always been able to show how much I/O was going on
: (the bi and bo columns of the vmstat 1 command).
: iotop is a Python program with a top like UI used to
: show of behalf of which process is the I/O going on.
[ftop]
プロセスで使用しているファイルをツリー形式で表示
Description : Ftop is to files what top is to processes. The progress of all open files
: file systems can be monitored.
: The selection of which files to display is possible through
: a wide assortment of options. As with top, the items are displayed in
: order from most to least active.
[ネットワークに関するリソースの詳細をウォッチする]
[iftop]
ネットワークトラフィック量に関する表示
Description : iftop does for network usage what top(1) does for CPU usage. It listens to
: network traffic on a named interface and displays a table of current bandwidth
: usage by pairs of hosts. Handy for answering the question "why is our ADSL link
: so slow?".
[jnettop]
iftop よりちょっとだけ詳細に。
Description : Nettop is visualising active network traffic as top does with processes.
: It displays active network streams sorted by bandwidth used. This is
: often usable when you want to get a fast grip of what is going on on your
: outbound router.
[ntop]
これはいいや
[netstat]
watchと組み合わせて $ watch netstat -lnput な感じ
[カーネルに関するリソースの詳細をウォッチする]
[slabtop]
カーネル slab キャッシュ情報を表示する
Description : N/A
