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Included in the HTTP server response data for each request is a code number indicating the result of the request. These result codes are three-digit numbers divided into categories as follows: 100-199 : Informational status 200-299 : Success status 300-399 : Redirection status 400-499 : Client errors 500-599 : Server errors Informational 100 – Continue […] Weblogic Server Administration History BEA began as a software company, founded in 1995 and headquartered in San Jose, California. It grew to have 78 offices worldwide at the time of its acquisition by Oracle. BEA Weblogic, now Oracle Weblogic Server – Java EE enterprise infrastructure platform WebLogic Server: Oracle WebLogic is a server software application […] Clustering Tomcat Servlet Engines is interesting for two reasons: load balancing and failover. Fail-over Fail-over is probably the most important issue for web applications. If the front end load balancer detects that one of the nodes has gone down it will redirect all the traffic to the second instance and your clients, apart from any […] […] JAVA BEANS OPEN SOURCE SOFTWARE-JBOSS AS Jboss is a free, Open source application server that implements complete J2EE suite including JsP,Servlet and EJB. Jboss is a free Open source application server which provides runtime environment for J2EE applications. Benefits: 1.Open source, Zero cost product license to download and use. 2.Enterprise class library,Performance,scalability and High availability. […] Puppet 3.7.1 on CentOS 6.5 quick start – I All below doc is from or based on https://docs.puppetlabs.com/ 1. Basic Install 1.1 install OS and prepare the node 1.1.1 Network Layout and install OS Name IP OS Desc puppet01 192.168.1.10 CentOS 6.5 puppet master puppet02 192.168.1.20 CentOS 6.5 puppet client puppet03 192.168.1.30 CentOS 5.10 puppet […] BIND (Berkeley Internet Name Daemon) also known as NAMED is the most widely used DNS server in the internet. This tutorial will descibes how we can run BIND in a chroot jail, the process is simply unable to see any part of the filesystem outside the jail. For example, in this post, i will setting […] mkdir -p /ftpserver/open mkdir -p /ftpserver/private yum -y install ftp vsftpd [root@keeplive ~]# rpm -qf /usr/bin/db_load libdb-utils-5.3.21-17.el7_0.1.x86_64 echo opentest > /ftpserver/open/open.txt echo ftptest > /tmp/ftptest1.txt touch /ftpserver/open/webapp.txt [root@keeplive ~]# rpm -qc vsftpd /etc/logrotate.d/vsftpd /etc/pam.d/vsftpd /etc/vsftpd/ftpusers /etc/vsftpd/user_list /etc/vsftpd/vsftpd.conf [root@keeplive ~]# vi /etc/vsftpd/vftpuser.txt alice P@ssw0rd jack P@ssw0rd tom P@ssw0rd db_load -T -t hash -f /etc/vsftpd/vftpuser.txt /etc/vsftpd/vftpuser.db [root@keeplive […] Modify CentOS 7 hostname In CentOS, there are three definitions hostname: static (static), transient (transient), and flexible (pretty). “Static” host name is also called kernel hostname, is the system at boot time from /etc/hostname automatic initialization of the host name. “Transient” host name is in the system is running temporarily assigned host name, for example, […] 1.echo “unset MAILCHECK” >> /etc/profile 2.rm -rf /root/.bash_history 3.touch /root/.bash_history 4.history -r 5.cd /var/log > dmesg 6.cd /var/log > auth.log 7.cd /var/log > alternatives.log 8.cd /var/log > boot.log 9.cd /var/log > btmp 10.cd /var/log > cron 11.cd /var/log > cups 12.cd /var/log > daemon.log 13.cd /var/log > dpkg.log 14.cd /var/log > faillog 15.cd /var/log > […] |
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