Best Linux Distributions That are Most Suitable for Beginners<\/a><\/p>\n 10 of the Most Popular Linux Distributions Compared<\/a><\/p>\n 10 Best and Most Popular Linux Desktop Environments of All Time<\/a><\/p>\n The Difference Between Fedora, Redhat, and CentOS<\/a><\/p>\n What is the relationship between Fedora and Red Hat Enterprise Linux?<\/a><\/p>\n Red Hat and the CentOS Project Join Forces to Speed Open Source Innovation<\/a><\/p>\n Understanding the Color Code of Linux files<\/a><\/p>\n The CentOS Project<\/a><\/p>\n Linux and the GPL<\/a><\/p>\n GNU General Public License (GPL) v2.0<\/a><\/p>\n Is Linux kernel free to modify?<\/a><\/p>\n https:\/\/wiki.centos.org\/FAQ\/CentOS7<\/a><\/p>\n How to change runlevel on Centos 7<\/a><\/p>\n Learn Linux, 101: Runlevels, boot targets, shutdown, and reboot<\/a><\/p>\n What’s the version of my OS?<\/a><\/p>\n Check what Debian version you are running on your Linux system<\/a><\/p>\n Setup Local Yum Repository on CentOS \/ RHEL \/ Scientific Linux 6.4<\/a><\/p>\n Ansible<\/strong><\/p>\n You can find sample playbooks here<\/p>\n https:\/\/docs.ansible.com\/ansible\/latest\/network\/getting_started\/first_playbook.html<\/a><\/p>\n https:\/\/www.simplilearn.com\/what-is-ansible-playbook-article#:~:text=Use%20this%20command%20to%20run,yml%3E%20%2D%2Dsyntax%2Dcheck<\/a><\/p>\n ANSIBLE – SETTING UP APACHE WEB SERVER<\/a><\/p>\n The links\u00a0 below are from Redhat.<\/p>\n https:\/\/www.redhat.com\/sysadmin\/ansible-callback-plugins<\/a><\/p>\n ansible.builtin.service module \u2013 Manage services<\/a><\/p>\n YAML syntax for Ansible<\/a><\/p>\n How to setup a Webserver using Ansible<\/strong><\/p>\n 1. Uncomment the ##[webservers] section in \/etc\/ansible\/hosts.\u00a0<\/p>\n 2. Uncomment the IP address(es) of the remote hosts you want to install Apache webserver on in the webservers section<\/p>\n 3. Create a yaml file to be used to run a playbook. Example apache.yml. Please note the first line is 3 dashes. Spacing is CRUCIAL in ansible YAML files. DO NOT USE TAB key! Highly suggest using vim with modified .vimrc file (SEE BELOW) or Visual Studio Code with Ansible extensions installed (easiest since shows spacing graphically)<\/p>\n Install VIM . <\/strong><\/p>\n a) dnf -y install vim<\/p>\n b) cd ~ or cd<\/p>\n c)To make vim able to detect YAML syntax errors, edit the .vimrc\u00a0 file command below:<\/p>\n vim .vimrc<\/p>\n Put the following 2 lines in .vimrc and save and exit.<\/p>\n autocmd FileType yaml setlocal et ts=2 ai sw=2 nu cuc d) vim apache.yml<\/p>\n 5. Test to see that the remote webserver(s) are installed on the remote host.<\/p>\n ssh root@192.168.1.100<\/p>\n systemctl status httpd<\/p>\n Backup\u00a0<\/strong><\/p>\n Linux Bare Metal Restore info<\/a><\/p>\n Bare Metal Restore<\/a><\/p>\n Notes of bare metal recovery<\/a><\/p>\n 55187 Linux Backup lab by David Papkin<\/a><\/p>\n Commands<\/strong><\/p>\n Linux Commands Cheat sheet<\/a><\/p>\n Firewall<\/strong><\/p>\n https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/7\/html\/security_guide\/sec-using_firewalls<\/a><\/p>\n https:\/\/phoenixnap.com\/kb\/iptables-tutorial-linux-firewall<\/a><\/p>\n CentOS \/ Redhat Iptables Firewall Configuration Tutorial<\/a><\/p>\n Ubuntu Basic iptables howto<\/a><\/p>\n Ubuntu Iptables: How to Control Network Traffic Using iptables?<\/a><\/p>\n Graphical Admin tools<\/strong><\/p>\n An introduction to Cockpit<\/a><\/p>\n Managing systems using the RHEL 8 web console<\/a><\/p>\n How to Install Webmin on CentOS 7<\/a><\/p>\n How to Install Latest Webmin on Debian 10\/9\/8<\/a><\/p>\n Web-based interface for system administration<\/a><\/p>\n Hypervisor<\/strong><\/p>\n Downloads \u2013 Oracle VM VirtualBox<\/a><\/p>\n How to Install Apache Server and Set Up Virtual Hosts on Ubuntu 22.04<\/a><\/p>\n https:\/\/www.wikihow.com\/Install-VirtualBox<\/a><\/p>\n Virtual Box Documentation<\/a><\/p>\n How to Fix \u201cVT-X Is Not Available (verr_vmx-No-Vmx)\u201d Error in VirtualBox<\/a><\/p>\n WSL<\/p>\n Install Linux on Windows with WSL<\/a><\/p>\n https:\/\/documentation.microsoft.com\/en-us\/windows\/wsl\/install<\/a><\/p>\n WSL + Ubuntu Setup<\/a><\/p>\n VirtualBox<\/p>\n How to Install Linux in VirtualBox<\/a><\/p>\n KVM<\/p>\n How To Install KVM Hypervisor on Ubuntu 22.04|20.04<\/a><\/p>\n Hyper-V<\/p>\n Installing CentOS 7 using Hyper-V<\/a><\/p>\n CentOS Linux on Hyper-V \u2013 The Complete Guide<\/a><\/p>\n Centos 7 installation in hyper-v on windows 11<\/a><\/p>\n VMware<\/p>\n Instructions To Install CentOS Linux 9 On VMware Workstation<\/a><\/p>\n Step\u2011By\u2011Step Procedure To Install CentOS Linux On VMware Workstation<\/a><\/p>\n Installing CentOS\u202f9 on VMware Workstation 17 <\/a><\/p>\n MAC Hypervisor<\/span><\/p>\n UTM https:\/\/mac.getutm.app <\/a><\/p>\n List of iso that prepared but can install others https:\/\/mac.getutm.app\/gallery\/<\/a><\/p>\n Visit the official CentOS website download page<\/b><\/p>\n https:\/\/www.centos.org\/download\/<\/a><\/b><\/p>\n Kali downloads<\/strong><\/p>\n https:\/\/www.kali.org\/get-kali\/#kali-platforms<\/a><\/p>\n Rocky Linux<\/strong><\/p>\n https:\/\/rockylinux.org\/<\/a><\/p>\n Ubuntu downloads<\/strong><\/p>\n https:\/\/ubuntu.com\/download<\/a><\/p>\n Monitoring<\/strong><\/p>\n https:\/\/www.tecmint.com\/command-line-tools-to-monitor-linux-performance\/<\/a><\/p>\n https:\/\/www.thegeekstuff.com\/2011\/12\/linux-performance-monitoring-tools\/<\/a><\/p>\n https:\/\/www.cyberithub.com\/steps-to-install-iostat-mpstat-command-on-linux-rhel-centos-7-8\/<\/a><\/p>\n How to install htop on CentOS 8<\/a><\/p>\n How to install ioping on Ubuntu<\/a><\/p>\n How To Check For Open Ports in Linux With netstat, lsof And nmap<\/a><\/p>\n See Bandwidth Usage Per Process With Nethogs Tool<\/a><\/p>\n How to Monitor Network Traffic using nethogs<\/a><\/p>\n NetHogs \u2013 Monitor Per Process Network Bandwidth Usage in Real Time<\/a><\/p>\n Networking<\/strong><\/p>\n What happened to eth0? Predictable Network Interface Names<\/a><\/p>\n How can I change the default \u201cens33\u201d network device to old \u201ceth0\u201d on Fedora 19?<\/a><\/p>\n Change default network name (ens33) to \u201ceth0\u201d in Centos7\/RHEL7<\/a><\/p>\n How to change a network interface name on CentOS 7<\/a><\/p>\n Password reset<\/strong><\/p>\n How to Reset Forgotten Ubuntu Password in 2 Minutes<\/a><\/p>\n How To Recover Root Password In RHEL\/CentOS In 5 Minutes?<\/a><\/p>\n Reset root Password Centos\/Redhat (challenging)<\/a><\/p>\n Patching<\/strong><\/p>\n Ultimate guide to linux patch management<\/a><\/p>\n Patch Management Best Practices<\/a><\/strong><\/p>\n 10 Linux Hardening & Security Best Practices<\/a><\/p>\n 40 Linux Server Hardening Security Tips [2021 edition]<\/a><\/p>\n Permissions<\/strong><\/p>\n Linux permissions: SUID, SGID, and sticky bit<\/a><\/p>\n Controlling file permissions with umask<\/a><\/p>\n Recycle Bin<\/strong><\/p>\n Trash-cli \u2013 A Trashcan Tool to Manage \u2018Trash\u2019 from Linux Command Line<\/a><\/p>\n Scripting<\/strong><\/p>\n This will output all commands to file1.txt<\/p>\n sample.sh<\/span><\/p>\n #!\/bin\/bash<\/p>\n top -n 2 > file1.txt<\/p>\n Writing Shell Scripts<\/a><\/p>\n SELinux<\/strong><\/p>\n A sysadmin’s guide to SELinux: 42 answers to the big questions<\/a><\/p>\n
<\/p>\n![\"\"](\"https:\/\/davidpapkin.net\/wp-content\/uploads\/2025\/08\/playbook.jpg\")
<\/a><\/div>\n4. Run the playbook<\/pre>\n
ansible-playbook apache.yml -i \/etc\/ansible\/hosts<\/span><\/pre>\n\n