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Category: Administrations

How To Install MySQL on Debian 9 (Stretch) with version selection

Rumi, May 17, 2020May 17, 2020

Step 1 – Prerequisites Login to your Debian 9 system using shell access. For remote systems connect with SSH. Windows users can use Putty or other alternatives applications for SSH connection. ssh root@debian9 Run below commands to upgrade the current packages to the latest version. sudo apt update sudo apt…

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Apache HTTP to HTTPS htaccess redirect on CWP – Centos WebPanel

Rumi, May 9, 2020

Using Apache as main server (only) : Rewrite rule as follows, this need to be added in your sites .htaccess : RewriteEngine On RewriteCond %{HTTPS} off RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] Forcing non www to www and https : RewriteEngine On RewriteCond %{HTTPS} off [OR] RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteCond %{HTTP_HOST}…

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Java plug-in does not work in Firefox after installing Java

Rumi, May 1, 2020

Tested on Firefox 42 (old release) and Sea-Monkey 2.46/2.49. There are several workaround options. The simplest method is noted first and is recommended. The remaining available options are not recommended for non-technical users. Option 1: Add property name dom.ipc.plugins.java.enabled in Firefox preferences 1. Launch Firefox 2. Type about:config in the…

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Reset Owncloud User password using cli

Rumi, April 30, 2020

Browse to your owncloud installed path, in my case it was /var/www/html/owncloud and apply the following command- sudo -u www-data php occ user:resetpassword — <username> Enter a new password: Confirm the new password: You’re done.

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Wget Command Examples

Rumi, April 30, 2020

How to Download a File with Wget In it’s simplest form when used without any option, wget will download the resource specified in the [url] to the current directory. In the following example we are downloading the Linux kernel tar archive: wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.17.2.tar.xz As you can see from the image…

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Install SNMP and Configure the Community String For CentOS

Rumi, April 23, 2020

Install SNMP Install the SNMPD service by running the following command: yum install net-snmp net-snmp-utils Once the service is installed, verify that it is set to start at startup by running: CentOS 6: chkconfig snmpd on CentOS 7: systemctl enable snmpd

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Install Iptables on CentOS 7

Rumi, April 23, 2020June 18, 2022

Disable FirewallD To disable the FirewallD on your CentOS 7 system, follow these steps: Type the following command to stop the FirewallD service: sudo systemctl stop firewalld Disable the FirewallD service to start automatically on system boot: sudo systemctl disable firewalld Mask the FirewallD service to prevent it from being…

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How to see time stamps in bash history?

Rumi, April 22, 2020

Is there any way I can see at what time the commands were executed from the bash history? We can see the order but is there any way I can get the time also? Bottom-Line: Execution time in the Bash history: HISTTIMEFORMAT=”%d/%m/%y %T ” # for e.g. “29/02/99 23:59:59” HISTTIMEFORMAT=”%F…

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Softether on VPS Using Local Bridge

Rumi, April 4, 2020

Problem on SecureNAT SecureNAT is a fairly simple way to setup Softether. You don’t need a lot of sysadmin skill and network understanding in order to get Softether up and running. The problem is SecureNAT is a bit SLOW. I will show a comparison at the end of this article. We…

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Customizing Jitsi Meet

Rumi, March 30, 2020

Edit Logo Image: In your jitsi-meet deployment, probably in /usr/share/jitsi-meet/images the image file will exist that you can override with your own. Update Link on Logo: You can edit: Path: /usr/share/jitsi-meet File: interface_config.js Parameter: JITSI_WATERMARK_LINK: or SHOW_WATERMARK_FOR_GUESTS: false Change texts of Welcome/Home Page:

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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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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

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