MYSQL on CENTOS 7

Install MySQL on CentOS 7 Introduction MySQL is a popular open source relational database. The popularity of MySQL means there is an abundance of information online and well documented client libraries available. MySQL supports many common database features such as replication, partitioning, triggers, views, and stored procedures. A plugin storage architecture allows support for multiple […]

Read more
SSH timeouts make with CentOS 7

I like using CentOS on my servers and desktop machine. After I start using, my ssh connections terminate so quickly like using CentOS on my servers and desktop machine. After I start using, my ssh connections terminate so quickly if I do not type anything at terminal in a few minutes, may be seconds. It […]

Read more
nginx on RHEL 7 with tomcat on Systemd

Tomcat implement multi-instance use systemd  centos 7 RHEL 7 rpm -ivh jdk-8u60-linux-x64.rpm getent group tomcat || groupadd -r tomcat getent passwd tomcat || useradd -r -d /opt -s /bin/nologin tomcat cd /opt wget http://mirror.nus.edu.sg/apache/tomcat/tomcat-8/v8.0.30/bin/apache-tomcat-8.0.30.tar.gz tar xzf jdk-8u40-linux-i586.tar.gz mv apache-tomcat-8.0.30 tomcat01 chown -R tomcat:tomcat tomcat01 tar zxvf apache-tomcat-8.0.30.tar.gz mv apache-tomcat-8.0.30 tomcat02 chown -R tomcat:tomcat tomcat02 sed […]

Read more
nginx has load balancer

nginx is a high performance web server software. It is a much more flexible and lightweight program than apache. yum install epel-release yum install nginx ifconfig eth0 | grep inet | awk ‘{ print $2 }’ wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http://download.oracle.com/otn-pub/java/jdk/8u60-b27/jdk-8u60-linux-x64.tar.gz” wget http://mirror.nus.edu.sg/apache/tomcat/tomcat-8/v8.0.30/bin/apache-tomcat-8.0.30.tar.gz tar xzf jdk-8u40-linux-i586.tar.gz mkdir /usr/java/ cd /usr/java/jdk1.8.0_40/ [root@cluster1 java]# […]

Read more
Nginx server security configuration

Nginx server security configuration First, turn off SELinux Security-Enhanced Linux (SELinux) is a Linux kernel feature that provides security policy protection mechanism supports access control. However, SELinux brings additional security and the disproportionate use of complexity, cost is not high sed -i /SELINUX=enforcing/SELINUX=disabled/ /etc/selinux/config /usr/sbin/sestatus -v # Check status Second, the least privilege allowed by […]

Read more
Login problem on Zimbra web http (cookies)

Si vous avez ce message d’erreur sur Zimbra voilà la marche à suivre : /opt/zimbra/libexec/zmproxyconfig -e -w -o -a 8080:80:8443:443 -x both -H `zmhostname` Si vous avez une erreur à cette commande là, lancer ensuite celle là : zmprov ms `zmhostname` zimbraReverseProxySSLToUpstreamEnabled FALSE Puis relancer la commande précédente et enfin les commandes suivantes : zmtlsctl […]

Read more
Rename Root Volume Group (VG) on Linux Server

This walk-through worked on a virtual server running RHEL 6.7 in a VMware environment. As I rebuilt an existing VMware guest that was being scheduled to go into production, I realized I did not rename the default volume group from vg_hostname to rootvg. You must be root user and it is extremely important to backup […]

Read more
Disable IPv6 In CentOS 7

entOS Linux release 7.0.1406 (Core) Verify Centos Version cat /etc/centos-release I’ve discovered bugs in some install packages. One such package is Zimbra. To work around these bugs, IPv6 and associated dependencies need to be disabled. To disable IPv6 in a CentOS 7 installation, perform the following tasks: Task 1 Navigate to and create a file […]

Read more
Zimbra 8.6 on Linux CentOS 7.0

Configure DNS Entries on your local DNS server Setup DNS A Record Ensure you have a Reverse lookup zone Setup MX Record Configure Host Settings Login as root user su root Install pre-requisites yum install wget make nc sudo sysstat libtool-ltdl glibc perl-core ntp unzip libaio Set hostname hostname mail.yourdomain.com Edit hostname file nano /etc/hostname […]

Read more
Centos 6.7 apache2.4.x

Centos 6.7 apache2.4.x compile and install and configure virtual hosts, SSL access, user-based access control apache2.4 new features Loadable MPMs At compile time can be made ??of a plurality of removable of MPM. The choice of MPM can also be configured at run time. Event MPM full support Event MPM. This is just test version […]

Read more

Hit Counter provided by dental implants orange county