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Category: Configurations (Linux)

Nginx directory list allow

Rumi, December 19, 2024

location /somedirectory/ { autoindex on; autoindex_exact_size off; autoindex_format html; autoindex_localtime on; }

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Fixing Ubuntu 22 SSH connection problem

Rumi, December 18, 2024

Enable this parameter KbdInteractiveAuthentication yes in /etc/ssh/sshd_conf file ubuntu in 22.04 LTS and restart the sshd services it will work

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Force User to Change Password at Next Login in Linux

Rumi, December 7, 2024

To force a user to change his/her password, first of all the password must have expired and to cause a user’s password to expire, you can use the passwd command, which is used to change a user’s password by specifying the -e or –expire switch along with username as shown. # passwd –expire ravi Next…

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Install Proxmox 8 on Debian 12

Rumi, December 7, 2024

Install a standard Debian Bookworm, for details consider the Debian installation guide, and configure a static IP. Note: The Debian installer performs network configuration by IPv6 autoconfiguration and DHCP by default, if available. To force manual network configuration in the UEFI installer, press E and add netcfg/disable_autoconfig=true to the Linux command line. For the…

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Running react js on virtualmin server

Rumi, November 21, 2024November 22, 2024

Just make sure, you have node, npm andp m2 installed in the server as root administrator. Now, you can run the rest as a virtualmin user in the virtualmin shell account. npm install npm run build npm run dev pm2 start npm — run dev Step-3 will let you know…

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Disable NetworkManager in Rocky Linux 8

Rumi, November 8, 2024

To disable NetworkManager on Rocky Linux 8, we need to install the network-scripts package which provides legacy support to the network service, yum install network-scripts Enable the service to start onboot, systemctl enable network Next, we add NM_Controlled=no to the interface config file, nano /etc/sysconfig/network-scripts/ifcfg-<interface> Replace with the interface name…

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Auto-renew Let’s Encrypt SSL certificates using crontab

Rumi, November 8, 2024

The achieve this, all we need to do is add a new crontab which will trigger the certbot at a certain time in a day to check the expiry date of your SSL certificates and take care of the renewing it. 1. Configure the crontab (Make sure to use sudo so that root crontab can be…

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Enable vnc on Kali Linux

Rumi, September 8, 2024

No Persistent mode: apt-get update && upgrade apt-get install x11vnc x11vnc -storepasswd x11vnc -ncache 10 -auth guess -nap -forever -loop -repeat -rfbauth /root/.vnc/passwd -rfbport 5900 -noncache Persistent mode: Step:01 Go to the below path cd /usr/local/bin Step:02 and create the file nano sharex11vnc

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Enable Serial Terminal on Debain using Grub Configuration (Grub2)

Rumi, September 7, 2024

Edit /etc/default/grub, enter: # vi /etc/default/grub Append / modify as follows: GRUB_CMDLINE_LINUX=’console=tty0 console=ttyS0,19200n8′ GRUB_TERMINAL=serial GRUB_SERIAL_COMMAND=”serial –speed=19200 –unit=0 –word=8 –parity=no –stop=1″ Save and close the file. Next run the following command to generate a grub2 config file /boot/grub/grub.cfg : # update-grub Ref: https://www.cyberciti.biz/faq/howto-setup-serial-console-on-debian-linux/

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Add serial console boot for Opensuse 15.5

Rumi, September 6, 2024

While it works with UEFI boot using “legacy BIOS” the serial console works after grub has prompted the boot menu. But this might be too late e.g. in special cases like encrypted disk where grub needs to request the password. KVM Guest has already been changed for serial support as…

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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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