Install wkhtmltopdf 0.12.5 on Centos 7 Rumi, April 2, 2021April 2, 2021 Install Dependencies yum install fontconfig libXext freetype libpng zlib libjpeg-turbo libpng libjpeg openssl icu libX11 libXext libXrender xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi Install wkhtmltopdf sudo yum install -y https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm Test wkhtmltopdf http://www.google.com google.pdf Src:: https://otodiginet.com/software/tools/how-to-install-and-using-wkhtmltopdf-on-centos-7/ Continue Reading
Configure DomainKeys- DKIM (OpenDKIM) with Postfix on CentOS 7 Rumi, March 31, 2021March 31, 2021 OpenDKIM is method to digitally sign & verify emails on the mail servers using public & private keys. In other words opendkim implements the DKIM (DomainKeys Identified Mail) standard for signing and verifying email messages on a per-domain basis. DomainKeys are implemented to reduce the chances of outgoing mails to… Continue Reading
Install LibreNMS Monitoring Tool with Nginx on Ubuntu 20.04 Rumi, March 30, 2021March 30, 2021 First, it is recommended to update your system packages to the latest version. You can do it with the following command: apt-get update -y After updating all packages, install all the dependencies required for LibreNMS with the following command: apt-get install rrdtool whois fping imagemagick graphviz mtr-tiny nmap python3-mysqldb snmp… Continue Reading
Setup mail server on centos 7 using postfix and dovecot Rumi, March 30, 2021 Installing packages Step 1 » Assign hostname for the server using the below command. [root@krizna ~]# hostnamectl set-hostname mail.krizna.com Step 2 » Make a host entry with your IP in /etc/hosts file. 172.27.0.51 mail.krizna.com Step 3 » Now start installing packages. [root@krizna ~]# yum -y install postfix dovecot After package… Continue Reading
Sectigo SSL certificate installation on Zimbra Rumi, March 30, 2021 1. Login to your Zimbra Admin Console using a browser. 2. In the left navigation pane under Home click Configure. Click Certificate. 3. On the right of the Zimbra Admin console click on the settings icon and select Install Certificate. 4. The Certificate Installation Wizard will pop up. 5. Under… Continue Reading
Install LAMP with PHP 7.4 on FastCGI/CGI configuration on CentOS 7 Rumi, March 24, 2021 Step 1 – Setup Yum Repository In the first step install all the required yum repositories in your system used in the remaining tutorial for various installations. You are adding REMI, EPEL, Webtatic & MySQL community server repositories in your system. CentOS / RHEL 7 yum install epel-release rpm -Uvh… Continue Reading
How to enable Proxy Settings for Yum Command on RHEL / CentOS Servers Rumi, March 24, 2021 This can be easily achieved with yum config file “/etc/yum.conf“. Under main section define the proxy settings like below: ……………… proxy=http://<Proxy-Server-IP-Address>:<Proxy_Port> proxy_username=<Proxy-User-Name> proxy_password=<Proxy-Password> ……………… Save and exit the file and start using the yum command. Sample yum Config file with proxy settings is shown below : Continue Reading
enable SNMP on Xen (XCP-NG) hypervisors Rumi, March 5, 2021 There are six steps to correctly configuring SNMP on your Citrix Xen hypervisor. These steps don’t require a system restart and are non-service affecting. To start, we assume you’re running Xen v6.x or v7.x, and are logged into the Xen CLI as root. 1. Enable the SNMP daemon Enable the… Continue Reading
Install Rainloop on PHP 5.6 on Debian 8 LAMP Rumi, February 12, 2021 Step-1: Install LAMP on Debian I’ve used a bash script to install LAMP. You may find it useful. #!/bin/bash ######################################################## ### This script is created by Hasn T. Emdad Rumi <h.t.emdad@gmail.com>. ### Released under GPL 2.0 licensing ### Date: 12-Aug-2016 ######################################################## echo “Updating Debian Repository…” apt-get install debian-keyring debian-archive-keyring -y… Continue Reading
E: Release file for http://archive.debian.org/debian/dists/jessie-backports/InRelease is expired (invalid since 715d 18h 14min 9s). Updates for this repository will not be applied Update Wheezy or Jessie Repo Rumi, February 6, 2021 Wheezy and jessie both has gone EOL and repos too. archive repo doesn’t seem to usually work either. So here’s a little trick that worked for me. Below is my repo.list file- deb http://archive.debian.org/debian jessie main deb http://archive.debian.org/debian-archive/debian-security/ jessie updates/ma$ #deb http://security.debian.org/ jessie/updates non-free contrib main #deb http://mirrors.ocf.berkeley.edu/debian/ jessie-updates main… Continue Reading