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Category: Configurations (Linux)

NTP Adjust date on Linux

Rumi, October 27, 2013December 8, 2013

If you want to set date/time on linux manually (instead of using synchronization like ntp) you may use the date command to do it. Login as root and run the following command, it will show you the current date/time. [root@servername ~]# date Output will be like Tue Aug 23 12:32:22…

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Install nginx using yum on CentOS or SL Linux

Rumi, October 25, 2013

Step #1: Install nginx repo Type the following wget command to install nginx yum configuration file: # cd /tmp CentOS Linux v6.x user type the following command: # wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm # rpm -ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm RHEL v6.x user type the following command: # wget http://nginx.org/packages/rhel/6/noarch/RPMS/nginx-release-rhel-6-0.el6.ngx.noarch.rpm # rpm -ivh nginx-release-rhel-6-0.el6.ngx.noarch.rpm

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Install Munin-node on RHEL or CentOS 6 or Scientific Linux 6

Rumi, October 25, 2013

  rpm -Uvh http://ftp.uninett.no/linux/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install perl-XML-SAX yum install munin-node And voila!

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Install htop on CentOS 5 or 6

Rumi, October 25, 2013

Install RPM for CentOS 5.x 32-BIT wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el5.rf.i686.rpm rpm -Uhv rpmforge-release*.rf.i386.rpm 64BIT wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el5.rf.x86_64.rpm rpm -Uhv rpmforge-release*.rf.x86_64.rpm Install RPM for CentOS 6.x 32-BIT wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.i686.rpm rpm -Uhv rpmforge-release*.rf.i386.rpm 64BIT wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm rpm -Uhv rpmforge-release*.rf.x86_64.rpm Install htop in CentOS Using YUM Once the repository is installed, all you need to do…

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How to clear the yum cache

Rumi, October 20, 2013

When a package is downloaded, installed and is removed there is a chance that the package may still be saved/stored in the yum’s cache. So to clean all the cached packages from the enabled repository cache directory, login as root and execute the following: yum clean packages To purge the…

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Resetting CentOS 5 Root Password

Rumi, October 7, 2013

If you have forgotten the root password it is possible to set a new one as follows: Interrupt the boot at the GRUB stage and boot to runlevel 1, AKA single user mode. Interrupt GRUB by typing a character such as "space" then append to the kernel line by typing…

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Install VPN PPTP Server on CentOS

Rumi, October 4, 2013March 29, 2017

In this tutorial, I will use pptp as protocol to connect to VPN server using a username and password, with 128 bit MPPE encryption. Variable as below: OS: CentOS 6 64bit VPN server: 209.85.227.26 VPN client IP: 209.85.227.27 – 209.85.227.30 VPN username: vpnuser Password: myVPN$99 Install ppp via yum: $…

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Varnish Nagios Plugin

Rumi, September 24, 2013

Install To use this plugin you need to have varnishstat installed which is installed by default when you install varnish. Perl is also required for this plugin. If you don’t have Perl installed you can install in by running the command below sudo apt-get install perl or sudo yum install…

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Configure NFS shares in Openfiler

Rumi, July 13, 2013

In this article I’ll explain how-to configure a NFS share in Openfiler and then add it as a datastore to your vSphere servers. I’ll take for granted that you already have an Openfiler server up and running. 1 – Enable NFS service As always point your browser to https://<openfiler_address&gt;:446, login…

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Install PHPize on Debain-Ubuntu

Rumi, June 20, 2013

Just install a bunch of package- apt-get install autoconf automake libtool m4 apt-get install php5-dev apt-get install libcurl3 php5-dev libcurl4-gnutls-dev libmagic-dev apt-get install php-http make pecl install pecl_http And adding "extension=http.so" to php.ini (Normally located at /etc/php5/apache2/php.ini) Then restart Apache (sudo service apache2 restart). If in doubt, check your apache…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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