• AWS
  • Cisco
    • Backup Configuration
    • Cisco manual
  • Docker
    • Build and modify PHP-7-Apache Docker Image
    • Docker Commit to Change Image
    • Docker MySQL & phpMyAdmin in 3 steps
    • Docker Port Mapping
    • How To Remove Docker Images, Containers, and Volumes
    • Import and Run Docker image
  • KVM
    • KVM bridged networking
    • KVM resize disk
  • Linux
    • 13 Apache Web Server Security and Hardening Tips
    • Add User to Group
    • Analyze AIX and Linux performance
    • Backup PostgreSQL Databases
    • Boot script Debian
    • CentOS/RHEL7 Check service
    • CentOS IPV6 settings
    • CertBot Certificate
    • Change the Default Kernel Version Permanently on CentOS 7
    • Clear RAM Cache and Swap in Linux
    • Create a .pfx/.p12 certificate file using OpenSSL
    • Creating a Local Yum Repository Using an ISO Image
    • Creating a Local Yum Repository Using an ISO Image
    • Cron and Crontab
    • Disable IPV6
    • DNS timout problem
    • Dokuwiki code in line
    • Dokuwiki Color Plugin
    • Dokuwiki Note Plugin
    • Dokuwiki SideBar
    • Dokuwiki Statistics
    • Enabling PHP 7 in apache
    • Extend LVM Partition
    • EXtplorer: online file manager
    • GeoIP Block NGINX
    • GPT PMBR size mismatch
    • GRUB2 on mdadm software Raid in Debian
    • initrd.img - View, Modify and Recreate
    • Install Wiki.js with Node.js, PostgreSQL, and Nginx on Ubuntu
    • IP-tables delete rule
    • IP-tables drop exceptions
    • iPerf to Diagnose Network Speed in Linux
    • Joomla admin panel shows white blank page after login
    • Joomla file permissions
    • KeepAlived on RHEL 6
    • Let’s Encrypt Certificate renew in CloudFlare
    • Linux Commands Newbies
    • Linux eBooks
    • Linux mount ISO image
    • Linux Screen
    • Local YUM repository
    • MediaWiki on CentOS
    • MediaWiki relocate
    • Medidrop installation
    • Midnight Commander
    • Migrate Let's Encrypt Certificates (certbot) to a New Server
    • Mount FTP folder
    • Mount NFS folder
    • Mount SAMBA folder
    • MySQL import sql file
    • MySQL reset root password
    • NFS Server HowTo
    • NMON for Linux
    • OCSP Stapling on Apache and Nginx
    • OEL/Red Hat OS version
    • OwnCloud on CentOS
    • OwnCloud slogan footer text
    • PostgreSQL Overview
    • PostgreSQL Relational Databases
    • PowerDNS On CentOS
    • QNAP and Cron
    • QNAP Mysql restart service
    • Raspberry Pi 2+ Raspbian Jessie
    • Remove Old Kernels on CentOS
    • Remove SSL certificate passphrase
    • Repo EPEL for RHEL,CentOS
    • Reset the Root Password in Oracle Linux
    • Rsync examples
    • Secure web server
    • Secure Wordpress
    • Securing Linux
    • Sendmail permmisions
    • Setup a Static IP Address using Nmtui on CentOS 8
    • Setup Local APT Repository Using Installation Media In Debian 8
    • SSL Certificate / Export your private key
    • SVN on CentOS
    • Terminal Command Reference
    • Tiny File Manager (PHP)
    • Tmux
    • Two default gateways on Linux
    • Use /proc/sys and sysctl to modify and set kernel runtime parameters
    • Use Swap File on Linux
    • VLAN trunk (Debian)
    • wordpress_migrate_fix
    • Xrdp on Ubuntu 20.04
    • Zentyal - ActiveSync
    • Zimbra problems with 7025 port
    • zip,tar,tar.gz and tar.bz2
  • Microsoft
    • AD in Windows 2008 R2
    • Autodiscover MS Exchange 2013
    • Change path to windows service
    • Cleanup logs Exchange 2013/2016/2019
    • Delete Failed DCs from AD
    • Delete primary partition - DiskPart
    • Exchange 2013 Cannot open mailbox microsoft system attendant
    • Exchange 2013 EAC Securing access to Microsoft
    • Exchange 2013 Logging Clear out the log files
    • Exchange 2013 Move Database to a New Location
    • Exchange 2013 whitelist
    • Exchange new SSL
    • Fix MBR through command prompt
    • Fix Sysprep
    • FSMO roles
    • How to Bypass Windows 10 Forgotten Password
    • How to uninstall MSE from Windows Server 2012 R2
    • Outlook shared mailbox Sent
    • PowerShell Scripts from Task Scheduler
    • Set a proxy for Windows using netsh
    • Synchronize time with external NTP
    • Using PowerShell Behind a Proxy
    • Windows 7 reset password
    • Windows 2012 Server Antivirus Free
    • Windows Server 2016 disable update
    • Windows Server 2016 Evaluation: How to extend the Trial Period
    • WSUS client commands and settings
  • MikroTIK
    • Fasttrack
    • Hairpin NAT
    • MikroTik Firewall Tool
    • MikroTik Router Access Point Basic Setup
    • Mikrotik RouterOS Multi-WAN PPC howto
    • Wake On LAN
  • openstack
    • Openstack create image from CLI
  • Sophos XG
    • Sophos Firewall: How to DNAT to an internal server
    • Sophos Site-to-Site VPN
    • Sophos SSL VPN Access
    • Sophos XG Firewall: How to configure a Business Application Rule for RDP
  • VMware
    • Change default network interface name “ens” to old “eth” on RHEL7 / CentOS7
    • Enable Adobe Flash Player on Windows Server 2012 R2
    • ESXi Packages Installation Fails 'Could not find a trusted signer'
    • Fix cloning eth0
    • Install D-Link 528T ethernet adapter drivers on VMware ESXi 5/5.1/6
    • Manually trigger creation
    • Manual set static IP to VCSA
    • PowerCLI after Find-Module Error
    • PowerCLI Commands
    • PowerCLI Invalid server certificate
    • Running Guest Hypervisors with Virtualized HV
    • StorMagic SvSAN
    • Unable to access new Administration and Licensing features in the vSphere Web Client 6.0
    • Unable to push certificates to host
    • USB Network Native Driver for ESXi
    • vCenter 5x cleanup
    • vCenter IPv4 configuration
    • VM - lock was not free
    • XPEnology DSM 7 vm-tools
    • XPEnology DSM 7 VMware