check ram usage ubuntu

Ubuntu uses top/free to check the memory usage. When I use free/top to check the memory usage, I was shocked. The machine has 4 GB of memory, it shows that the free idle memory is only over 300 mb. After checking the process, no applications that

1.1 Installing Ubuntu using VMware1.1.1 Preparatory work1) VMware's installation packageVMware will use at least 10.0, this article with the latest version of VMware12, this version of USB3.0 support is more stable, if the installation of more than 1

Install MRTG monitoring software for Ubuntu Server: 1: install network traffic monitoring [default 5 minute collection once] switch to Super User: sudo-sH install software: apt-getinstallapache2apt-getinstallmrtgapt-getinstallsnmpd edit snmpd:

I bought my first SSD more than 5 years ago (late), for my white MacBook Core2duo 2.0 Ghz. It May is needless to say that my MacBook ran faster than many MacBook Pro's at that time. The look on peoples faces when they saw my MacBook boot faster than

How to monitor server memory usage with Nagios Remote Plugin Executor (NRPE)Last updated in September 8, authored by sarmed Rahman 5 Comments In a previous tutorial, we had seen how we can set up Nagios Remote Plugin Executor (NRPE) in an existing

Install MRTG monitoring software on the Ubuntu Server:I. install network traffic monitoring [collection once every 5 minutes by default]Switch to Super User:Sudo-sHInstall software:Apt-get install apache2Apt-get install mrtgApt-get install snmpdEdit

How to add a Swap partition on Ubuntu 16.04, 16.04 swap Preface One of the simplest ways to increase server response speed and prevent application memory insufficiency errors is to add some swap space. This Guide describes how to add swap files to

For linux/ubuntu free, check the memory usage. For details, refer to my memory usage: $ free-mtotal used free shared buffers cachedMem: 1908 1844 64 0 56 689-/+ buffers/cache: 1098 810 Swap: 3904 0 3904 www.2cto.com at the beginning, I was shocked.

As we all know, swap is a block of virtual memory in a hard disk. Swap temporarily stores books that have not been activated. When the system determines that the physical memory RAM is required to activate the process, swap is used. If the system

Use the Ubuntu serial port tool minicom and install the dnw image (mainly for the Android210 Development Board ). I. Minicom also has serial communication tools in Ubuntu, such as Minicom and kermit. The usage of Minicom is described here. (1)