tag:blogger.com,1999:blog-7780394253001399406Fri, 01 Nov 2024 11:17:00 +0000Linux Operating System, linux OS, Linux Tips, Linux Tricks, Linux, Linux Fundas,http://nikhillinux.blogspot.com/noreply@blogger.com (nikhil)Blogger45125en-usnoLinux Operating System, linux OS, Linux Tips, Linux Tricks, Linux, Linux Fundas,noreply@blogger.comtag:blogger.com,1999:blog-7780394253001399406.post-6401362416693981403Thu, 10 May 2012 12:12:00 +00002012-05-10T05:37:47.062-07:00 After a long long time search and configuring testing finally i have got a better clustering method which is meet my requirements! i am happy now as it is my long time hunting.... finally it success i am just posting it here for future myself & if it might help anybody else . In this cluster i used two tomcat servers & one apache server. Machines Apache IP 192.168.10.100 Tomcat IP http://nikhillinux.blogspot.com/2012/05/tomcat-clustering.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-8160307655290626701Tue, 24 Apr 2012 10:00:00 +00002012-04-24T03:00:03.699-07:00 execute the following sudo -u username bash replace username with your username. http://nikhillinux.blogspot.com/2012/04/switch-2-user-with-nologin-shell.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-796212748066280682Tue, 15 Nov 2011 10:56:00 +00002011-11-15T02:57:17.308-08:00Tested On Fedora 14 And Gsm Nokia X-05  Needed Packages: yum install gammu.i686 wammu.noarch python-gammu.i686 gammu-libs.i686 gammu-devel.i686 ##################################################################################### First Config file vi /etc/gammurc [gammu] port=/dev/ttyACM0 connection=at name=Nokia X-05 synchronizetime = no use_locking = no :wq! ########################## http://nikhillinux.blogspot.com/2011/11/nagios-notifications-by-sms.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5709401528908283845Sat, 10 Sep 2011 10:35:00 +00002011-09-10T03:35:23.754-07:00Install the package with YUM = yum install swatch Then create a swatch configuration file called /etc/swatchrc  containing the following: vi /etc/swatchrc # Bad login attempts watchfor /Failed password for/ exec "/usr/local/nix/scripts/bad_user $1 $2 $3 \$4 $5 $6 $7 $8 $9 $10 $11 $12 $13 $14 $15"  :wq!Then create The Script with the following vi /usr/localhttp://nikhillinux.blogspot.com/2011/09/swatch-to-monitor-security-logs.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-4248164800547634798Fri, 27 May 2011 09:36:00 +00002011-05-27T02:36:02.507-07:00 Packages gnokii-devel.i686 : Gnokii development files gnokii-smsd.i686 : Gnokii SMS daemon gnokii-smsd-mysql.i686 : MySQL support for Gnokii SMS daemon gnokii-smsd-pgsql.i686 : PostgreSQL support for Gnokii SMS daemon gnokii.i686 : Linux/Unix tool suite for various mobile phones libopensync-plugin-gnokii.i686 : Gnokii plugin for libopensync xgnokii.i686 : Graphical Linux/Unix tool suite for http://nikhillinux.blogspot.com/2011/05/sms-gateway-in-fedora-13.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-2323214254700995280Tue, 29 Mar 2011 06:54:00 +00002011-03-28T23:54:07.019-07:00 yum install ssmtp vi /etc/ssmtp/ssmtp.conf AuthUser=username@gmail.com AuthPass=Your-Gmail-Password FromLineOverride=YES mailhub=smtp.gmail.com:587 UseSTARTTLS=YES:wq!make sure sendmail is disabled# service sendmail stop # chkconfig sendmail off # mkdir /bakup # mv /usr/sbin/sendmail /bakup # ln -s /usr/sbin/ssmtp /usr/sbin/sendmail   echo "This is a test" | mail -s "Test" user@http://nikhillinux.blogspot.com/2011/03/use-gmail-account-to-relay-email-from.htmlnoreply@blogger.com (nikhil)1tag:blogger.com,1999:blog-7780394253001399406.post-2915779430323293663Tue, 15 Mar 2011 07:46:00 +00002011-03-15T00:46:20.664-07:00 1.Installing Tomcat 2.Installing Apache HTTP Server 3.setting up multiple instances of Tomcat 4.setting up Apache HTTP server Tomcat 5.5 Download Site: http://tomcat.apache.org/download-55.cgi Apache HTTP Server 2.0 Download Site: http://httpd.apache.org/download.cgi Mod JK (Tomcat connector) 1.2.27 Download Site: http://tomcat.apache.org/download-connectors.cgi I have tested in fedora 13http://nikhillinux.blogspot.com/2011/03/load-balance-your-application-in-tomcat.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5467610270283019543Wed, 09 Mar 2011 10:16:00 +00002011-03-09T02:18:50.966-08:00 Since version 2.2 the Apache web server ships a load balancer module called mod_proxy_balancer. All you need to do is to enable this module and the modules mod_proxy and mod_proxy_http:  vi /etc/httpd/conf/httpd.confLoadModule proxy_module mod_proxy.so LoadModule proxy_http_module mod_proxy_http.so LoadModule proxy_balancer_module mod_proxy_balancer.so :wq! Please don't forget to http://nikhillinux.blogspot.com/2011/03/simple-http-load-balancing-apache.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-2970442029252896565Tue, 01 Mar 2011 11:04:00 +00002011-03-01T03:04:05.911-08:00 Install the packages with yum   yum install websvn.noarch   yum install subversion Create a directory mkdir -p /srv/svn svnadmin create --fs-type fsfs /srv/svn/nix Now open the conf file [vi /etc/websvn/config.php] and add the following $config->parentPath('/srv/svn/'); $extEnscript[".pl"] = "perl"; $extEnscript[".py"] = "python"; $extEnscript[".sql"] = "sql"; $extEnscript["http://nikhillinux.blogspot.com/2011/03/websvn-how-to-on-fedora.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-1837584157750125185Mon, 31 Jan 2011 10:56:00 +00002011-01-31T02:57:15.075-08:00Click on the Start Button and type: CMD (into the 'Search programs and files' field in the Start Menu) The Start Menu will show 'CMD.exe',  Right-click the CMD.exe file and select Run as administrator. In the CMD window, type: slmgr.vbs -ipk {product key} To activate windows after changing the key, type: slmgr.vbs -ato http://nikhillinux.blogspot.com/2011/01/to-change-windows-7-product-key-from.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-3889414889522247955Thu, 14 Oct 2010 13:17:00 +00002010-10-14T06:17:50.036-07:00mysql_connect("localhost", "user", "userpass") or die(mysql_error()); echo "Connected to MySQL "; mysql_select_db("test") or die(mysql_error()); echo "Connected to Database"; ?>http://nikhillinux.blogspot.com/2010/10/mysql-php-test-page.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-7515028713593977516Wed, 06 Oct 2010 10:41:00 +00002010-10-06T03:48:38.126-07:00 add the following to httpd.conf file       AuthType Basic      AuthName " protected directories "      AuthMySQLHost localhost      AuthMySQLUser root      AuthMySQLPassword  dbpassword      AuthMySQLDB http_auth      AuthMysqlUserTable  http://nikhillinux.blogspot.com/2010/10/apache-access-control-with-userpassword.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-58541086838462168Mon, 04 Oct 2010 06:11:00 +00002010-10-03T23:11:05.142-07:00permanently bypass fsck check on any filesystem using tune2fs command as follows: [root@node01 ~]# tune2fs -i 0 /dev/VolGroup00/LogVol00 tune2fs 1.39 (29-May-2006) Setting interval between checks to 0 seconds [root@node01 ~]#http://nikhillinux.blogspot.com/2010/10/permanently-bypass-fsck.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-3453670875335076303Thu, 02 Sep 2010 07:24:00 +00002010-09-02T00:24:29.362-07:00The key to porting Liferay from windows to linux w/ mysql is setting the mysql case sensitivity setting to 1 on the linux mysql server. 1. Backup your windows schema 2. Add the following line to your my.conf file in linux: lower_case_table_names=1 (this is added below [mysql] and/or [mysqld]) 3. Start mysql 4. Do restore All should be well after that.http://nikhillinux.blogspot.com/2010/09/deploying-liferay-in-linux-machine-from.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5955518558548455377Tue, 27 Jul 2010 12:07:00 +00002010-07-27T05:07:03.800-07:00Pre-Configuration Requirements ################################## Assign hostname node01 to primary node with IP address 192.168.10.50 Assign hostname node02 to slave node with IP address 192.168.10.51 Assume 192.168.10.52 is the virtual IP address that will be used for our Apache webserver. Install Heartbeat  yum install heartbeat-devel ###################################### Now we have http://nikhillinux.blogspot.com/2010/07/high-availability-cluster-on-centos.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5917423821907098505Mon, 28 Jun 2010 10:27:00 +00002010-06-28T03:42:28.295-07:00Download tomcat from http://tomcat.apache.org/ Before we begin, we will need to have a Java installed [nikhil@bom ~]$ which java /usr/java/jdk1.5.0_11/bin/java [nikhil@bom ~]$ cat .bashrc # .bashrc # User specific aliases and functions # Source global definitions if [ -f /etc/bashrc ]; then . /etc/bashrc fi PATH=/usr/java/jdk1.5.0_11/bin/:$PATH;export PATH export JAVA_HOME=/usr/java/http://nikhillinux.blogspot.com/2010/06/apache-tomcat-on-linux.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-1673123488837987790Tue, 18 May 2010 11:25:00 +00002010-05-18T04:26:25.253-07:00ps -ef | awk '/PROCESS/ && !/awk/ {print $2}' | xargs -r kill -9http://nikhillinux.blogspot.com/2010/05/kills-all-pids-matching-search-term-of.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-98237263278789663Wed, 07 Apr 2010 10:00:00 +00002010-04-07T03:00:50.403-07:00No Text Icons If you would like your desktop Icons to have no text underneath then try this tweak: Right click the icon and select "Rename" Now hold the "Alt" key and type "255" and hit Enter NOTE : It may only work with the keypad numbers and not the number keys on top of the keyboard.http://nikhillinux.blogspot.com/2010/04/desktop-icons-to-have-no-text.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-1010576576639534600Wed, 10 Mar 2010 09:03:00 +00002010-03-10T01:24:14.165-08:00We can use cpulimit program that attempts to limit the cpu usage of a process. Limits are expressed in percentage and not in cpu time. cpulimit does not act on the nice value or other scheduling priority stuff, but on the real cpu usage. Also, it is able to adapt itself to the overall system load, dynamically and quickly.############################################################################http://nikhillinux.blogspot.com/2010/03/how-to-limit-linux-cpu-usage-per.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5060836610121483731Wed, 17 Feb 2010 04:42:00 +00002010-02-16T20:45:46.377-08:00to set time from primary domain controller net time /domain:(domain_name) /sethttp://nikhillinux.blogspot.com/2010/02/this-servers-clock-is-not-synchronized.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-5242630332391903749Tue, 16 Feb 2010 14:49:00 +00002010-02-16T06:53:37.757-08:00locate the following key in registry (start – run – regedit)HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\OutlookThen right click on the key outlook and then go for next option export and save it an backup folder and run in while restoring outlook .It will restore your old outlook profile with all email accounts and rules but it does not storehttp://nikhillinux.blogspot.com/2010/02/how-to-backup-email-acconuts-in.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-8441302369630058316Tue, 16 Feb 2010 06:28:00 +00002010-02-15T22:31:39.667-08:00svn checkout/cosvn checkout or svn co. This command is used to pull an SVN tree such as svn://10.0.0.100/trunk/Test from the server. You should only need to do this once. If the directory structure is changed (as is sometimes necessary), you may occasionally need to delete your local sand box and re-check it out. svn addsvn add. When you are creating a new file or directory, you need to tell the http://nikhillinux.blogspot.com/2010/02/svn-commands.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-7146005213798821127Thu, 28 Jan 2010 12:03:00 +00002010-01-28T04:09:16.156-08:00Just create a Empty folder, cifs# mkdir /cifs mount -t cifs //serverip/sharename /cifs -o username=shareuser,password=password,domain=somedomain.comnow go to cifs folder and see u can see all content of windows shared folder !http://nikhillinux.blogspot.com/2010/01/mount-windows-shares-with-cifs.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-4146677784541382427Tue, 03 Nov 2009 12:35:00 +00002009-11-03T04:35:55.201-08:00Windows XP Home Edition is not come with IIS service. So for those who need IIS to run on some application, there need go for Windows XP Pro Edition. It’s that great that windows xp home edition is come with IIS service? We still can install the IIS service on Windows XP Home edition as the step below. 1. We need the installation CD of Windows 2000 Professional or Server 2. Copy the directoryhttp://nikhillinux.blogspot.com/2009/11/iis-for-winxp-home.htmlnoreply@blogger.com (nikhil)0tag:blogger.com,1999:blog-7780394253001399406.post-8436554437718757115Tue, 06 Oct 2009 08:14:00 +00002009-10-07T06:11:18.058-07:00Run Registry Editor (regedit).Navigate to the following registery key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor In the right pane, double click on the Start value name.Change the value data to 4 to disable the removable USB mass storage device drive access. To revert and re-enable the drive access for removable USB mass storage device driver, change back the value data for http://nikhillinux.blogspot.com/2009/10/disable-usb-removable-mass-storage.htmlnoreply@blogger.com (nikhil)0