Skip to content
Bots!
Bots!
  • About
    • Myself
    • আমার দোয়া
  • Bookmarks
    • Bookmarks
    • My OCI Bookmarks
    • Useful Proxmox Commands & Links
    • Learning Nano
    • Useful Sites
    • Useful Virtualbox Command
    • Useful MySQL Command
    • Useful Linux Command
    • BTT-CAS
  • Resources
    • Webinar on Cloud Adoption for Project Managers
  • Photos
  • Videos
  • Downloads
Bots!

Category: Administrations

Boot CentOS 5/6 as Single User Mode

Rumi, August 3, 2014

Step 1 – Boot CentOS into Single User Mode – Hit Any Key Boot CentOS in Single User Mode – Press Any Key to Edit Boot Options Power up the machine and when you see this screen, hit the space bar or any other key before the timeout. Step 2…

Continue Reading

CentOS mount NFS Disk

Rumi, July 24, 2014

First Enable EPEL Repo under CentOS or RHEL Servers You need to type the following command as per your distro version / release. RHEL 5.x / CentOS 5.x Users Type the following command as root user to install repo: # rpm -Uvh http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm RHEL 6.x / CentOS 6.x Users Type…

Continue Reading

Book Review: Learning Nagios 4 by Wojciech Kocjan

Rumi, July 7, 2014July 7, 2014

Learning Nagios 4: Learn how to setup Nagios 4 in order to monitor your systems efficiently, Author- Wojciech Kocjan.   Nagios- it is the most effective monitoring tool that actually helps to identify and resolve critical IT infra before they affect critical service operations. Above all, it is an open…

Continue Reading

Reinstall OpenSSH Server

Rumi, June 21, 2014

First if you have any pre-installed SSH server that has gone bad, remove it- on Redhat Architechture Type the following commands as the root user: # chkconfig sshd off # service sshd stop # yum erase openssh-server You need to edit and update firewall rules that allows inbound connections to…

Continue Reading

Increase file upload size limit in PHP-Nginx

Rumi, June 9, 2014

  To change max file upload size to 100MB Edit… vim /etc/php5/fpm/php.ini Set… upload_max_filesize = 100M post_max_size = 100M

Continue Reading

SSH Public key based authentication

Rumi, June 9, 2014September 3, 2017

Method-1: Create the cryptographic Key on FreeBSD / Linux / UNIX workstation, enter: ssh-keygen -t rsa Assign the pass phrase (press [enter] key twice if you don’t want a passphrase). It will create 2 files in ~/.ssh directory as follows: ~/.ssh/id_rsa : identification (private) key ~/.ssh/id_rsa.pub : public key Use…

Continue Reading

Install Sun Java 7.x on Debian Squeeze

Rumi, June 8, 2014

It might look weird to install Sun Java from a Ubuntu Repo- however it works at least it worked for my installation- $ su root # echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" > /etc/apt/sources.list.d/webupd8team-java.list # echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" >> /etc/apt/sources.list.d/webupd8team-java.list # apt-key adv –keyserver keyserver.ubuntu.com –recv-keys EEA14886 # apt-get…

Continue Reading

Install VNCServer on Centos 5

Rumi, June 6, 2014

  Install VNC Server to operate CentOS with GUI remotely from Windows client. VNC is already installed if you already build Desktop Environment. If it's not installed, Install by a command 'yum -y install vnc-server'. [root@ns ~]# yum -y install vnc-server [root@ns ~]# vi /etc/sysconfig/vncservers # line 20: make valid…

Continue Reading

Installing LAMP On Debian

Rumi, June 6, 2014June 6, 2014

First we install MySQL 5 like this: apt-get install mysql-server mysql-client You will be asked to provide a password for the MySQL root user – this password is valid for the user root@localhost as well as root@server1.example.com, so we don't have to specify a MySQL root password manually later on:…

Continue Reading

Importing Big mysqldump with Progress Bar PV

Rumi, June 6, 2014

  I am using CentOS 6.4 box, so it requires me to install EPEL repo at the first place: $ rpm -Uhv http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Install pv using yum: $ yum install -y pv Installation done. Let the importing begin! $ pv /home/user/my_big_dump.sql | mysql -uroot -p For Ubuntu/Debian distribution intall PV…

Continue Reading
  • Previous
  • 1
  • …
  • 61
  • 62
  • 63
  • …
  • 81
  • Next

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.

Tags

Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker endian icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix powerdns Proxmox RDP SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

Topics

Recent Posts

  • Install Monitorix on CentOS 7 October 3, 2025
  • Configure Centos 7 with multiple ip in bridge mode br0 October 3, 2025
  • 1:1 NAT using Iptables on an OpenVPN Server October 2, 2025
  • Openvpn autostart on debian 12 cli client October 2, 2025
  • Site to Site (site 2 site a.k.a S2S) VPN using OpenVPN October 2, 2025
  • Updated Repository of Debian 10 (Aug 2025) September 5, 2025
  • Deploye Minio using docker September 5, 2025
  • Install valkey ubuntu 22.04 August 30, 2025
  • MinIO with Let’s Encrypt SSL on Debian 12 – Step-by-Step Configuration August 1, 2025
  • How to Set Windows File Associations to Open .JNLP Files July 28, 2025

Archives

Top Posts & Pages

  • Install Monitorix on CentOS 7
©2025 Bots! | WordPress Theme by SuperbThemes