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- CentOS 8.x Configure password complexity
- CentOS 8.x Configure rekallcm1 (high-end desktop) with software raid, lxc, kvm and other utilities
- CentOS 8.x Connect to 389DS with Apache Directory Studio
- CentOS 8.x Control Web panel
- CentOS 8.x Control Web panel Initial configuration
- CentOS 8.x Control Web panel Installation on linode
- CentOS 8.x Control Web panel Migrate web and email domain from existing server
- CentOS 8.x Control Web panel Whitelist or Blacklist IP or email or domain in postfix
- CentOS 8.x Control Web panel miscellaneous issues
- CentOS 8.x Copying or backup of documents using rsync
- CentOS 8.x Create systemd service for erlang yaws web server
- CentOS 8.x Creating bridge interfaces (br0) for virtual hosts to use shared interface
- CentOS 8.x DHCP server
- CentOS 8.x DNS resolution issues when there is proper working DNS in /etc/resolv.conf
- CentOS 8.x DNS servers
- CentOS 8.x Desktop tools or applications
- CentOS 8.x Disable graphical power-off option for non-admin users
- CentOS 8.x Disabling IPv6
- CentOS 8.x Distributed Filesystems
- CentOS 8.x File system management
- CentOS 8.x Firefox
- CentOS 8.x Firefox Responsive design mode
- CentOS 8.x Firefox See HTTP headers in Firefox
- CentOS 8.x Firefox java plugin
- CentOS 8.x FreeIPA
- CentOS 8.x Freeipa migration from openldap to freeipa
- CentOS 8.x Get FC HBA wwn for san zoning
- CentOS 8.x Glusterfs
- CentOS 8.x Glusterfs basic setup of distributed volume
- CentOS 8.x Gnome configuration
- CentOS 8.x IPv6: MLD: clamping QRV from 1 to 2! messages in syslog
- CentOS 8.x Install anydesk
- CentOS 8.x Install nomachine
- CentOS 8.x KVM
- CentOS 8.x KVM Creating Windows VMs with fast disk input output (io)
- CentOS 8.x Migrate OpenLDAP ldif to 389-DS
- CentOS 8.x Moosefs 3.x
- CentOS 8.x Moosefs 3.x Initial setup
- CentOS 8.x Network configuration
- CentOS 8.x New machine configuration
- CentOS 8.x OS auto-login with anydesk auto-startup for seamless remote
- CentOS 8.x Owncloud
- CentOS 8.x Owncloud AD integration
- CentOS 8.x Owncloud changing datadirectory for a new installation
- CentOS 8.x Owncloud direct DB queries
- CentOS 8.x Owncloud email settings
- CentOS 8.x Owncloud linux desktop client
- CentOS 8.x Owncloud self signed certificate with bitnami for Windows webdav mount
- CentOS 8.x Owncloud single user receives access forbidden while using desktop sync client
- CentOS 8.x Package management
- CentOS 8.x Prevent a start job is running for Network Manager wait online related boot delay
- CentOS 8.x Reduce size of ext2, ext3 or ext4 partition
- CentOS 8.x Roundcube
- CentOS 8.x Roundcube installation
- CentOS 8.x Roundcube web based installer for Gmail IMAP and SMTP
- CentOS 8.x SAP Pacemaker cluster miscellaneous notes
- CentOS 8.x SAP Pacemaker cluster start and stop
- CentOS 8.x SAP setup and maintenance
- CentOS 8.x SSH client
- CentOS 8.x SSH client tips and tricks
- CentOS 8.x Securing a Linux machine
- CentOS 8.x Security tools
- CentOS 8.x Setup basic DHCP server
- CentOS 8.x Software raid try to recover failed raid device
- CentOS 8.x Software raid using mdadm
- CentOS 8.x Stream Install Zimbra
- CentOS 8.x System Activity Reporter (sar)
- CentOS 8.x System Administration
- CentOS 8.x Thunderbird
- CentOS 8.x Thunderbird calendar invitation response email address
- CentOS 8.x Thunderbird enable global search and index and rebuild database
- CentOS 8.x Unable to fetch GPG key from keyserver issue
- CentOS 8.x Unattended nomachine
- CentOS 8.x Useful keyboard shortcuts
- CentOS 8.x Web based tools
- CentOS 8.x Zabbix
- CentOS 8.x Zabbix Email notifications setup
- CentOS 8.x Zabbix add hosts
- CentOS 8.x Zabbix add network switches for SNMP based monitoring
- CentOS 8.x Zabbix installation
- CentOS 8.x Zimbra
- CentOS 8.x Zimbra Configure spamassasin email score based on client RBL
- CentOS 8.x Zimbra Trace received email activities in user mailbox
- CentOS 8.x Zimbra all service status showing down on Zimbra admin interface
- CentOS 8.x Zimbra blacklist or whitelist IPs or domains
- CentOS 8.x Zimbra dumpster configuration
- CentOS 8.x Zimbra forward a copy of all incoming and outgoing emails to audit email ID
- CentOS 8.x anydesk
- CentOS 8.x apache troubleshooting
- CentOS 8.x apache web server
- CentOS 8.x atd or at
- CentOS 8.x authentication servers
- CentOS 8.x chrome
- CentOS 8.x chrome enable screen-sharing with wayland
- CentOS 8.x chronyc ntp client configuration
- CentOS 8.x cinelerra
- CentOS 8.x clamav
- CentOS 8.x cockpit
- CentOS 8.x cockpit install and enable
- CentOS 8.x create and use containers with podman
- CentOS 8.x create or extend lvm partition with striping
- CentOS 8.x database servers
- CentOS 8.x device not found troubleshooting
- CentOS 8.x dnf basics
- CentOS 8.x dnf or yum
- CentOS 8.x dnf verify installed packages
- CentOS 8.x dnsmasq
- CentOS 8.x email servers
- CentOS 8.x erlang man pages installation
- CentOS 8.x file sharing
- CentOS 8.x firewalld
- CentOS 8.x firewalld basic theory
- CentOS 8.x firewalld commands
- CentOS 8.x firewalld rich rules
- CentOS 8.x freeipa basic setup
- CentOS 8.x gnome-control-center
- CentOS 8.x gnome-software
- CentOS 8.x gnome change default gdm from wayland to X11
- CentOS 8.x gnome prevent grouping of similar windows with alt-tab
- CentOS 8.x graphical root access while using wayland
- CentOS 8.x iSCSI
- CentOS 8.x install lxc
- CentOS 8.x install podman
- CentOS 8.x iperf3
- CentOS 8.x iproute2 basics
- CentOS 8.x lxc
- CentOS 8.x lxc troubleshooting
- CentOS 8.x mariadb
- CentOS 8.x mariadb taking backup of large production databases
- CentOS 8.x mediawiki
- CentOS 8.x mediawiki setup new wiki optionally using existing database
- CentOS 8.x migrate CentOS 7.x postfix, dovecot, squirrelmail server
- CentOS 8.x migrate to CentOS 8.x Stream
- CentOS 8.x monitoring
- CentOS 8.x networking of podman containers
- CentOS 8.x networking tools
- CentOS 8.x nomachine
- CentOS 8.x nomachine enable clipboard
- CentOS 8.x ntp servers
- CentOS 8.x openvpn client
- CentOS 8.x openvpn client troubleshooting
- CentOS 8.x parted
- CentOS 8.x parted resize existing partition
- CentOS 8.x podman
- CentOS 8.x postfix
- CentOS 8.x postfix block incoming emails from domain or address
- CentOS 8.x postfix log email Subject in maillog
- CentOS 8.x postfix replace addresses on outgoing email
- CentOS 8.x postfix restrict email from address based on username used for authentication
- CentOS 8.x postfix rewrite sender address on outgoing email
- CentOS 8.x postfix send email via other relayhost or smarthost without using port 25
- CentOS 8.x postfix unsupported dictionary type:pcre error
- CentOS 8.x rainloop
- CentOS 8.x rainloop basic setup
- CentOS 8.x rainloop reset admin password
- CentOS 8.x rclone
- CentOS 8.x rclone for syncing documents to google drive
- CentOS 8.x remote access
- CentOS 8.x reset root password using grub and single user mode
- CentOS 8.x root access
- CentOS 8.x rsync
- CentOS 8.x setup applications using podman containers
- CentOS 8.x simplescreenrecorder
- CentOS 8.x systemd or systemctl
- CentOS 8.x virtualization
- CentOS 8.x vsftpd
- CentOS 8.x web servers
- CentOS 8.x wordpress
- CentOS 8.x wordpress bitnami lets encrypt certificate renewal error
- CentOS 8.x working with podman pods
- CentOS 8.x zip command
- CentOS 9.x
- CentOS 9.x Command line tools and utilities
- CentOS 9.x Configure basic NFSv4 server for sharing folders between two machines
- CentOS 9.x NFS
- CentOS 9.x file sharing
- CentOS 9.x tar
- CentOS IOMMU related errors on system boot
- CentOs 8.x Migrate commonhosting from one machine to another
- CentOs 8.x mariadb monitoring
- Change Ethernet MTU in Windows 7 or Windows 8
- Change IP address of vRealize LifeCycle Manager
- Change wordpress site URL
- Changing default skin for mediawiki
- Changing logo displayed by mediawiki
- Changing user from Self-Service to other groups
- Check hard-disk for bad sectors
- Check windows partitions for errors when chkdsk seems to hang
- Checking HANA DB replication status
- Checking SAP application ASCS/ERS status
- Checking machine or mobile performance
- Checkpoint Gaia OS
- Chef
- Chef-apply and receipe syntax
- Chef infrastructure setup
- Chown command
- Chrooting sftp users to home directory with openSSH
- Cinelerra
- Cisco ASA firewall
- Cisco ASA firewall basic initialization
- Cisco CSR V1000 virtual router
- Clamav configuration
- Cloning VM or removing host from cluster fails with error resource is in use
- Cloning disks or partitions using dd
- Collect high level Zimbra server information for remote support
- Common SVN status messages
- Compare
- Comparing MDM with DLP with End-point security
- Configure .emacs file
- Configure AWS CentOS instance to use IPv6
- Configure Brocade storage switch to send logs to syslog
- Configure Cisco router outgoing PAT or overload NAT for users to access Internet
- Configure DHCP relay in Cisco nexus switches
- Configure DHCP server on Cisco router
- Configure DNS via resolv.conf on AIX
- Configure Date and Time on VIOS
- Configure ESXi host to use multiple network ports for iSCSI multipathing
- Configure HA for vCenter appliance
- Configure IIS for additional file extensions and mime types
- Configure L2 bridge on NSX-T 3.0 to bridge a physical VLAN with a NSX segment
- Configure LDAP based authentication for moodle
- Configure MSSQL events database server
- Configure NSX-T 3.0 from scratch with edge cluster and tier gateways
- Configure NSX-T exclusion list
- Configure NSX-T north-south gateway firewall rules or policies
- Configure NTP client on AIX
- Configure NTP from cli or UI
- Configure RDSH licensing server and client for VDI
- Configure VLT and DCB across two Dell MXL 10/40GbE chassis switches
- Configure VLT between two Dell S4128T-on or S4128F-on switches
- Configure VMFS filesystem on USB disk and mount it as datastore on ESXi host
- Configure VM for lab experiments
- Configure VM with paravirtual adapter for better queue depth
- Configure VPC between two Cisco Nexus switches
- Configure and enable policyd on Zimbra
- Configure backups for vCenter 7.0
- Configure basic BGP on Cisco router
- Configure basic ntp server and client
- Configure email followup and notifications in GLPI
- Configure high-end desktop as server for lab experiments
- Configure lacp or port-channel on Aruba switches (Trunk)
- Configure machines as LDAP client for graphical LDAP user login
- Configure new HP 2530 switch
- Configure new RHEL-5.5 VM on IBM cloud
- Configure new openvpn server for remote-access with NAT
- Configure squid-3.3 in transparent mode on CentOS 7 with SSL bump
- Configure stacking on Aruba 2930F switches
- Configure static IP in ubuntu system
- Configure static routes in debian
- Configure time-zone for Cisco switch
- Configure vRealize Automation 7.3 appliance
- Configure vRealize Log Insight 4.5 cluster
- Configuring ACLs in openLDAP server
- Configuring Cisco MDS 9124 fiber switch for SAN
- Configuring Cisco MDS 9148S 16G 48 FC SAN switch with multipath for HA
- Configuring DHCPv6 server and client
- Configuring Dell N4032 switch in stack mode
- Configuring HP D1668 Deskjet in CentOS
- Configuring IPv6 and IPv4, forward and reverse DNS
- Configuring LDAP authentication in GLPI
- Configuring LDAP based authentication for apache
- Configuring LDAP based authentication for openVPN
- Configuring Linksys switch as radius client
- Configuring Linux machine as IPv6 router
- Configuring Samba service in Ubuntu
- Configuring TLS or SSL security for openLDAP server
- Configuring Ubuntu machine as LDAP client
- Configuring Vvol for EMC Unity 300
- Configuring Windows Server 2016 as iSCSI target
- Configuring Windows XP for using 802.1x for Ethernet
- Configuring a windows file server for user data
- Configuring another postfix server for incoming and outgoing emails
- Configuring apt repositories in debian
- Configuring authentication for apache using password file
- Configuring authentication with openLDAP server
- Configuring authorized keys file for public key based access
- Configuring basic AIDE server
- Configuring basic Access Control List (ACL) on Cisco switches
- Configuring basic DHCP server
- Configuring basic MariaDB server
- Configuring basic NFSv3 server
- Configuring basic PostgreSQL server
- Configuring basic SMTP, IMAP, POP and HTTP access for complete email on a single server
- Configuring basic SMTP, IMAP, POP and HTTP access for complete email on different servers
- Configuring basic Tripwire server
- Configuring basic nagios server
- Configuring basic pxeboot server
- Configuring basic quota for XFS filesystem
- Configuring basic tftp server
- Configuring brocade switch for SAN zoning
- Configuring cisco switch as SNMP server
- Configuring disk quota
- Configuring emacs to recognize two modes of yaws file
- Configuring email virtual hosting using sendmail
- Configuring etherchannel on Cisco switches
- Configuring ethernet port in trunk mode
- Configuring idle timeout for openSSH
- Configuring idle timeout for shell
- Configuring iptables for start-up in debian
- Configuring laptop after Cent-OS re-installation
- Configuring manageable switch port to behave as unmanageable switch port
- Configuring multiple SSL sites
- Configuring new Juniper switch for remote access via vme port
- Configuring new S4100 series Dell switch with OS 10
- Configuring new denyhosts server from source
- Configuring new mediawiki
- Configuring non-simple file-sharing in Windows XP
- Configuring nrpe based internal service checks
- Configuring openLDAP replica server
- Configuring parents for devices in nagios
- Configuring php based page for LDAP password change
- Configuring port mirroring or monitor session on Dell OS 10 switches
- Configuring privilege levels on Cisco switch
- Configuring proxy authentication for squid
- Configuring proxy for apt in debian
- Configuring proxy using environment variables
- Configuring remote service checks using nagios
- Configuring rsyslog to get syslog from network devices
- Configuring separate IP and firewall rule for each openvpn client
- Configuring snort rules
- Configuring software RAID on server during installation
- Configuring squid cache
- Configuring squid cache manager
- Configuring squid in transparent mode
- Configuring squid to block websites based on categories
- Configuring squid with DelayPools
- Configuring squid with Squish
- Configuring storm control on Cisco switch
- Configuring useful awstats plugins
- Configuring very basic radius server
- Configuring web based swat access for Samba in Ubuntu
- Configuring wireless interfaces
- Configuring yambe breadcrumbs extension for mediawiki
- Connecting to SSH server listening on port 443 using HTTP proxy server with HTTP CONNECT
- Connecting two SAN switches
- Convert
- Convert date to different format using date command
- Convert image to base64
- Convert list variable to comma separated list in ansible
- Convert ports from network to storage on Cisco UCS unified fabric switch
- Converting bazaar repository to git
- Converting git repository to bazaar
- Converting old slapd.conf file to cn=config format
- Converting svn repository to bazaar
- Converting timezone using date command
- Copy sparse or thin VM disks from one ESXi host or one datastore to another
- Copying terminal I/O with color
- Corkscrew
- Course enrolment upon approval (enrol apply) plugin for moodle
- Cracking techniques
- Create Google Adsense Account
- Create LPAR
- Create a new postgreSQL RDS instance
- Create custom container template in proxmox
- Create nested ESXi for vSAN experiments with SSD disk
- Create path exclusion in SentinelOne
- Create standard port-group for trunking all VLANs to VM
- Create template of nested ESXi for cloning and repeat use
- Create vRealize Automation 7.3 Blueprints
- Createrepo
- Creating Golden image for Windows OS
- Creating KVM VM with qcow2 disk format for supporting snapshots
- Creating RDSH Automatic Instant Clone Farms
- Creating Windows 2019 or Windows 10 Desktop Pool
- Creating Xen Hardware based Virtual Machines (HVM)
- Creating Xen paravirtualized guests
- Creating a VMWare Distributed Switch (VDS) or Distributed Virtual Switch (DVS)
- Creating bridge interfaces (br0) for virtual hosts to use shared interface
- Creating nautilus scripts
- Creating new LaTeX commands
- Creating new logwatch service or scripts
- Creating pattern rules
- Creating rpm packages
- Creating servicegroups
- Curl
- Cyberoam firewall
- DNS firewall considerations
- Database wide operations such as backup or restore for openLDAP
- Datastore corruption issue resolution
- Date
- Dd
- Debian
- Debugging bash scripts
- Delay problem with SSH
- Delete horizon protected images or VMs or templates
- Delete large number of files in Windows
- Deleting page from mediawiki
- Deleting shell start-up scripts remotely without executing them
- Dell 4820T or S3100 hybrid ports
- Dell DP4400
- Denyhosts configuration
- Deploy AD on Windows Server 2012 R2 server
- Deploy and configure vRealize Log Insight 4.5
- Deploy and configure vRealize Operations Manager 6.6
- Deploy vHMC virtual appliance and go through Install Wizard
- Deploy vRealize Automation 7.3 appliance
- Deploy vRealize Business for Cloud 7.3 and connect it to vRA 7.3
- Deploy vRealize LifeCycle Manager on vCloud Foundation
- Deploy vRealize Log Insight via vRealize LifeCycle Manager on vcloud foundation setup
- Deploy vRealize Operations via vRealize LifeCycle Manager on vcloud foundation setup
- Deploy workspace one access via vRealize LifeCycle Manager on vcloud foundation setup
- Deploying a new UAG and connecting it with existing connection server
- Deploying ftserver 4800 with AUL 11.0.3 preloaded with RHEL 7.3
- Desktop tips and tricks
- Desktop tools
- Detecting RAID partitions using Ubuntu Live CD or USB
- Determining the cause for err-disabled port
- Dhcp server configuration
- Disable ESXi coredump and delete coredump file
- Disable cortana and use normal windows search using registry editing
- Disable firewall in Windows
- Disable hot plug and unplug for NIC and USB for clients
- Disable password complexity at AD policy level
- Disable password complexity in ESXi 6.5
- Disable password expiry on SDDC Manager
- Disable root password expiry on vCenter
- Disable too much logs from kernel when log Detail is high
- Disable use of iframes in firefox
- Disabling IPv6 lookups in bind
- Disabling auto-comment of next line in vim
- Disabling automatic detection of offline mode in firefox
- Disabling case-sensitive checking for table and column names in MySQL
- Disabling link to talk/discussion page
- Disabling mod security for apache
- Disabling reverse DNS lookup for openSSH
- Disallow particular extension in robots.txt file for web crawlers
- Disconnect or logoff from remote network share without reboot
- Disk usage related information
- Disowning terminal programs so that they dont exit when terminal is closed
- Do MTU and VLAN-ID health check using NSX Manager
- Docker basics
- Docker installation on CentOS 7
- Doing XFS repair for LVM volumes that are auto mounted by cluster configuration
- Dot
- Downgrade virtual machine hardware version
- Download offline bundles and reuse them with SDDC Manager for repeat experiments or air-gapped networks
- Download private youtube videos
- Download software bundles using Internet access from SDDC Manager
- Downloading and using latest snort rules
- Downloading torrents behind NAT
- DrRacket
- DrRacket installation from source
- Draw diagram online
- Drive related information
- Dry run and syntax check for ansible-playbooks
- Dstat
- ESXi boot issues
- ESXi host configuration backup and restore
- ESXi host fails to enter maintenance mode without any error
- ESXi host time settings
- ESXi losses all vmkernel or ip configuration
- ESXi persistent scratch location esp. for VSAN nodes
- Easy-rsa
- Ebtables
- Ebtables configuration
- Ecryptfs
- Elisp notes
- Emacs
- Emacs and org-mode notes
- Emacs installation from source
- Email server configuration
- Enable ICMP Redirect based route change in Windows
- Enable IPv6 and IGMP snooping on VLAN 3939 required for VxRail
- Enable SSH or SCP from one ESXi host to another
- Enable SSH to NSX edge deployed as part of vCF
- Enable Suse for SAP software management via Local CD/DVD
- Enable VLAN backed segments on NSX deployment
- Enable automatic power on for synology NAS after power is restored
- Enable full profile view
- Enable http interface on HP5100 series switches
- Enabling Innodb engine for MySQL
- Enabling Realtek NIC on VMWare ESXi6.5
- Enabling SSH and disabling telnet to Cisco switch
- Enabling and using file uploads with mediawiki
- Enabling or disabling service on startup in debian
- Enabling peap authentication with freeRADIUS server
- Enabling photo viewer in Windows Server 2019
- Enabling vSAN file services
- Enabling vSAN iSCSI target service
- Enabling wake on lan (WoL)
- EncFS
- Encryption with vim
- End point security
- Enterprise security devices or applications
- Erlang
- Erlang installation
- Ethernet devices named tmpXXXXX
- Ethernet interface name stuck to br0 or renaming ethernet interfaces
- Example dot files
- Example policyd configuration to block certain recipients
- Example policyd configuration to rate limit emails going to external domains
- Executing powershell script on Windows machine
- Expect
- Export of users from AD and import into another AD
- Extundelete
- FCoE configuration on CNA
- Factory reset VxRail 4.7 server
- Fail2ban
- Fault tolerant servers
- Fdisk or parted