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How can I monitor memory usage of my Tomcat/JVM?

VM Host custom Java Control Panel offers graphing of basic JVM parameters. You need to enable 'monitor' attribute in your JCP and wait a 5 minutes before graphs fill with data. On `'tats' page you can select different graphing periods. See example graph below. To closer

Roundcube Mailbox doesn't exist: Trash

Have a look in /var/lib/roundcube/config/defaults.inc.php (in Ubuntu 16.04.1) if the following lines exist and are correct ——————————————————————————————————— // store draft message is this mailbox // leave blank if draft messages should not be stored // NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP) $config[

Using PHP-FPM with Apache on Ubuntu 16.04

This tutorial exists for these OS versions * Ubuntu 16.04 (Xenial Xerus) * Ubuntu 12.10 (Quantal Quetzal) * Ubuntu 12.04 LTS (Precise Pangolin) * Ubuntu 11.10 (Oneiric Ocelot) On this page 1. 1 Preliminary Note 2. 2 Installing MySQL or MariaDB 1. 2.1 Install MySQL 5.7 2. 2.

Apache warns that my self-signed certificate is a CA certificate

Question As I don't know the openssl command's arguments by heart, I am used to referring to the same SO answer whenever I need to create self-signed certificates (for testing environments). The command looks like: openssl req -x509 -nodes -newkey rsa:2048 -keyout mysite.key -out

Try to use netdata on CentOS 7

在Twitter上偶然看到一張很漂亮的動態監控圖，查看之後才知道是由一款名爲netdata的開源工具實現，獲取實時(秒級)數據並用動態圖表展示，數據從/proc相關文件獲取(Linux中一切皆文件，內核將硬件虛擬成文件來進行管理)。 Introduction netdata代碼發佈在GitHub上。以下是相關文檔 Prerequisites netdata依賴一些包，如make、gcc、autoconf、autogen、automake、pkg-config、git等。 git可使用yum安裝，也可參考本人的Compile Install And Configure Git On CentOS7通過源碼編譯安裝。執行如下命令安裝依賴包 sudo yum install -y libuuid libuuid-devel zlib zlib-devel gcc make autoconf automake pkgconfig #根據個人情況使用 sudo yum install -y git Node

Mass Virtual Hosting with mod_rewrite RewriteMap and PHP

Here is a simple possibility to control a lot of virtual hosts using a simple PHP script to map them to the right path. First of all you need to make sure that mod_rewrite is loaded: a2enmod rewrite Further we need these packages: php5-cli php5-mysql mysql-server What we'

centos7安装配置cacti

http://guowang327.blog.51cto.com/6513732/1736067 2016-01-18 10:47:41 标签：apache cacti 第一步：（cacti的安装） yum install net-snmp net-snmp-utils yum install cacti vi /etc/snmp/snmpd.conf com2sec notConfigUser default public access notConfigGroup "" any noauth exact systemview none none view all included .1 80 view systemview included