stop
To start solr on Linux just go to the the example folder of sole and run java -jar start.jar . see the below given example /apache-solr-1.2.0/example/ [root@pss2 example]# java -jar start.jar & [1] 20691 [root@pss2 example]# 2009-10-22 15:21:29.943::INFO: Logging to STDERR via org.m ortbay.log.StdErrLog 2009-10-22 15:21:30.386::INFO: jetty-6.1.3 2009-10-22 15:21:30.506::INFO: Extract jar:file:/usr/local/apache-solr-1.2.0/ex ample/webapps/solr.war!/ to /tmp/Jetty_0_0_0_0_8984_solr.war__solr__-sltihw/weba pp [...]
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Left unchecked, Windows’ DVR features can eat up your entire hard drive. But there’s a simple way to limit storage availability. More: continued here
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To stop Apache : apachectl stop If apachectl is not in your PATH and you don’t know where it is, refer to the recipe Find a file by name to find the location of apachectl, then run it with the fully qualified path, for example: /usr/local/apache/bin/apachectl stop
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To prevent access to a specific site that is not in the Websense Master Database, simply add the site to any category that is already blocked for the users you wish to block. An uncategorized URL that you add to a category is called a custom URL. (Similarly, a URL in the Websense Master Database that [...]
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Note You must be logged on as an administrator or a member of the Administrators group to complete this procedure. If your computer is connected to a network, network policy settings may also prevent you from completing this procedure. Click Start, click Control Panel, click Performance and Maintenance, clickAdministrative Tools, and then double-click Services. In the Details pane, click the [...]
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Occasionally you may need to stop/start/restart the Websense components. For example, if you edit any Websense *.ini files, you must stop and then restart services to implement any changes. The following instructions provide steps to start or stop components on a Solaris, Linux, or Windows system. Solaris and Linux You can stop, start, or restart Websense components [...]
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It is possible to instruct history to ignore a command when executing a command. # export HISTCONTROL=ignorespace # ls -ltr # pwd # service httpd stop [Note that there is a space at the beginning of service] # history | tail -3 67 ls -ltr 68 pwd 69 history | tail -3
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The ssh program can  be used for monitoring remote hots. The system admin can also execute commands from his desktop which can be executed at remote servers. This is a cool facility of ssh. We can do much more on SSH. root@admin:~ # ssh root@www ‘df -h’ Filesystem Size Used Avail Use% Mounted on /dev/ubda 3.5G 2.1G [...]
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Blogroll in WordPress displays a list of blogger’s favorite blogs in the sidebar of their blog. Blogroll provides links to external blogs in easily managed way. Some webmasters also use Blogroll to display backlinks to other external sites for link exchange or link buying. In reality, links added by WordPress blogroll is actually useless textlinks [...]
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I can use tcpdump to verify that encryption is working. Here is what a plain unencrypted POP mail session looks like. This is an abbreviated example showing only the initial three-way TCP handshake. You can do this yourself by firing up tcpdump, then checking mail. Ctrl+C stops it: # tcpdump port 110 15:04:49.050227 windbag.34348 > [...]
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 xinetd, the eXtended InterNET Daemon, is an open-source daemon which runs on many Linux and Unix systems and manages Internet-based connectivity. It offers a more secure extension to or version of inetd, the Internet daemon. xinetd performs the same function as inetd: it starts programs that provide Internet services. Instead of having such servers started [...]
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Many network enabled Linux applications don’t rely on themselves to provide restricted access or bind to a particular TCP port; instead they often offload a lot of this work to a program suite made just for this purpose, xinetd. The xinetd RPM is installed by default in Fedora Linux and uses /etc/xinetd.conf as its main [...]
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It is a recommended practice to backup the configuration of the PIX Firewall for use in emergencies or for disaster recovery. But, the PIX does not support an external Flash card. The internal Flash does not support the backup of the configuration file. The configuration file must be saved externally The PIX configuration file can [...]
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OpenVZ is an operating system-level virtualization technology based on the Linux kernel and operating system. OpenVZ allows a physical server to run multiple isolated operating system instances, known as containers, Virtual Private Servers (VPSs), or Virtual Environments (VEs). It’s similar to FreeBSD Jails and Solaris Zones. vzdump is a backup and restore utility for OpenVZ [...]
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As a system administrator, part of your daily duties is to monitor systems for performance and to tune systems where necessary. While there are expensive software products and benchmarking tools that can hone a machine to optimum efficiency, there exist several basic tools within Linux® that permit the knowledgeable system administrator to gather information and [...]
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