Note : The list required to install and configure

 Checklist to activate hosting server (php, laravel and sql server)Install VirtualminUpgrade PHP8.1 or latestTo connect with Oracle DB - install OCI8To connect with MSSQL - install ODBC, sqlsrv, pdo_sqlsrvInstall Laravel - install composer, npm, node # Previous OS Centos 7 and below - install with latest OpenSSL 1.0.2k-fips# Latest OS Rocky9.1 and above - install with latest OpenSSL 3.0...

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Letsencrypt : Secure Apache on Ubuntu 20.04

Let’s Encrypt is a Certificate Authority (CA) that facilitates obtaining and installing free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. 1. Installing Certbot#sudo apt install certbot python3-certbot-apache 2.Checking your Apache Virtual Host Configuration#sudo vi /etc/apache2/sites-available/your_domain.conf #sudo apache2ctl configtest#sudo systemctl reload apache23.Allowing...

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Centos 7 : Reset root password

The steps:1. During boot menu, press (e) to edit existing kernel 2. Scroll down and find the line with (ro). Change (ro) with rw init=/sysroot/bin/sh. Ctrl-x to start3. In emergency mode. Type #chroot /sysroot4. Change the root password. Type #passwd root5. Update the SELinux. Type #touch / .autorelabel6. Exit and Reb...

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SSL : RSA server certificate CommonName (CN) `abc.com.my' does NOT match server name!?

Issue :    [warn] RSA server certificate CommonName (CN) `abc.com.my' does NOT match server name!? Resolve: Edit Apace SSL file : /etc/httpd/conf.d/ssl.conf  Change line # SSL Engine Switch from ON to OFF - SSLEngine off...

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SSL : Disable SSL on Webmin

1. Edit /etc/webmin/miniserv.conf 2. Change value of "ssl" entry from 1 to  0 ssl=1 (enable) ssl=0 (disable) 3. Restart webmin services # /etc/init.d/webmin restart 4. Restart apache services # /etc/init.d/httpd rest...

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Ubuntu : Set Static IP Ubuntu 18.04

To configure a static IP address using the new NetPlan tool on Ubuntu server: Edit  #sudo nano /etc/netplan/50-cloud-init.yaml Add IP address, gateway and DNS Check IP Address Source : https://websiteforstudents.com/configure-static-ip-addresses-on-ubuntu-18-04-beta ...

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Ubuntu : Enable root login

Solution 1. Edit #/etc/ssh/sshd_config Change PermitRootLogin prohibit-password to yes Solution 2. Run the command #sudo sed -i 's/prohibit-password/yes/' /etc/ssh/sshd_config 3. Create password to root login #passwd root Source: https://linuxconfig.org/enable-ssh-root-login-on-ubuntu-16-04-xenial-xerus-linux-server-deskto...

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Centos : Reset root password

source: https://community.spiceworks.com/how_to/4022-reset-root-password-on-centos-5-6 http://www.tecmint.com/reset-forgotten-root-password-in-rhel-centos-and-fedora...

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Centos : How to fix boot failure due to incorrect fstab?

Solutions: at the grub prompt, hit a to append options add init=/bin/bash to the end of the kernel command line and press enter The system will boot to a prompt like 'bash-3.2#' enter the following commands at the prompt mount -o remount,rw / vim /etc/fstab Source: http://unix.stackexchange.com/questions/44027/how-to-fix-boot-failure-due-to-incorrect-fsta...

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Centos : “Device eth0 does not seem to be present, delaying initialization” Error

source : http://www.unixmen.com/fix-device-eth0-seem-present-delaying-initialization-error...

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Ubuntu : Disable and remove AppArmor on Ubuntu based Linux distributions

http://www.techytalk.info/disable-and-remove-apparmor-on-ubuntu-based-linux-distributio...

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Ubuntu : Install PDF printer

Get cups-pdf installed. Open up a terminal session (or use Synaptic) and type the following: sudo apt-get install cups-pdf Finished install. Then  cups-PDF is  automatic load into your printer list...

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