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configuration
On the Linux® operating system, administrators should open the file /etc/snmp/snmpd.conf and add this entry: trapsink ip_address community_name. To restart the SNMP service, enter service snmpd restart. vi /etc/init.d/snmptrapd OPTIONS="-A -Lfd -p /var/run/snmptrapd.pid" vi /etc/snmp/
Server
Linux CPU usage and Process Execution History Is there any way to see what process(es) caused the most CPU usage? I have AMAZON EC2 Linux which CPU utilization reaches 100 percent and make me to reboot the system. I cannot even login through SSH (Using putty). Is there any
Linux 技巧：让进程在后台可靠运行的几种方法 在 IBM Bluemix 云平台上开发并部署您的下一个应用。现在就开始免费试用 我们经常会碰到这样的问题，用 telnet/ssh 登录了远程的 Linux 服务器，运行了一些耗时较长的任务， 结果却由于网络的不稳定导致任务中途失败。如何让命令提交后不受本地关闭终端窗口/网络断开连接的干扰呢？下面举了一些例子， 您可以针对不同的场景选择不同的方式来处理这个问题。 nohup/setsid/& 如果只是临时有一个命令需要长时间运行，什么方法能最简便的保证它在后台稳定运行呢？ hangup 名称的来由 在 Unix 的早期版本中，每个终端都会通过 modem 和系统通讯。当用户 logout 时，modem 就会挂断（hang up）电话。 同理，当 modem 断开连接时，就会给终端发送 hangup 信号来通知其关闭所有子进程。 解决方法：
source code
VIM can output hightligh with HTML tag In command mode :TOHtml If it is not worked. You will need python module called Pygments at “http://pygments.org”.
pluging
Install a plugin called Alex Gorbatchev’s SyntaxHighlighter which can search plugin “SyntaxHighlighter Evolved” and then active it. New a post and define “Shortcode Parameters” in [Text] tab. Example language base Some example shortcodes: [ php ]your code here[ /php ] [ css autolinks=”false” classname=”myclass” collapse=”false” firstline=”1″ gutter=”true”
source code
#!/bin/bash date2stamp () { date --utc --date "$1" +%s } stamp2date () { date --utc --date "1970-01-01 $1 sec" "+%Y-%m-%d %T" } dateDiff (){ case $1 in -s) sec=1; shift;; -m) sec=60; shift;; -h) sec=3600; shift;; -d) sec=86400; shift;; *) sec=86400;; esac dte1=$(date2stamp
configuration
http://www.grounation.org/?post/2008/07/04/8-how-to-use-a-tpm-with-linux Dell R720 support Intel TPM 2.0 轉載內文 How to use a TPM with Linux By webmaster – Security – Permalink The goal of the article is to offer a simple tutorial to use your onboard TPM to secure your system. The TPM
長期以來一直使用Adaptec AAR-2410SA PCI SATA 4channel 作為 Linux File System Server硬硬資料保護，不過很困擾的是他的硬碟錯誤偵測不是很強還滿常需要人為介入作進一步問題的檢查，比如說硬碟壞軌，硬碟離線等。 必需加入遠端Monitor機制才能提早發現硬碟問題，在作了些功課後決定使用SNMP(sample network manager protocol)。 Drive部份直到CentOS6.3都還有內建aacraid的module。 Download appliance部份 http://ftp.dell.com/scsi-raid/afa-apps-snmp.2807420-a04.tar.gz Download ucd-snmp source code http://nchc.dl.sourceforge.net/project/net-snmp/ucd-snmp/4.2.7.1/ucd-snmp-4.2.
PowerCLI
Purpose This article provides a method for obtaining and displaying a list of registered virtual machines that have attached Raw Device Mappings (RDMs) using vSphere PowerCLI. This method cannot identify virtual machine disks that are unregistered, or for RDM files that are not associated with a virtual machine. For more
configuration
Debian / Ubuntu Linux: Setup Wireless Access Point (WAP) with Hostapd by NIX CRAFT on AUGUST 25, 2012 · 16 COMMENTS· LAST UPDATED AUGUST 25, 2012 in DEBIAN / UBUNTU I've got a spare USB Wireless Adapters (WIFI adapter/dongle) and my ISP router does not support wireless option. How do
openssl req -new -nodes -out req.pem -keyout key.pem openssl rsa -in key.pem -out new.key.pem openssl x509 -in req.pem -out ca-cert -req -signkey new.key.pem -days 999 mkdir /var/imap cp new.key.pem /etc/pki/cyrus-imapd/server.pem rm new.key.pem cat
It looks like someone has made a CUPS/Google Cloud Print tool here: * http://www.niftiestsoftware.com/cups-cloud-print/ And it appears the author provides a PPA: * Packages: https://launchpad.net/~simon-cadman/+archive/cups-cloud-print * Source code: https://github.com/simoncadman/CUPS-Cloud-Print To install it and configure it: sudo add-apt-repository ppa:simon-cadman/