1.9 KiB
1.9 KiB
| 1 | Linux | 22 years | RHEL/Debian/Ubuntu, kickstart, PXE, LDAP, SSSD, RPM/Deb package creation, quotas, extended permissions, clustering, AppArmor, SeLinux, Centrify, Tripwire, Integrit, OSSEC. |
|---|---|---|---|
| 2 | Unix | 5 years | HPUX/Solaris |
| 3 | Windows | 22 years | Server (2008 2016), Windows client automated deployment (7,8,10,11), Active Directory, Group Policy, WSUS, Certificate Services, AD DNS, AD DHCP, complex multiple forest and domain setups, LDAP |
| 4 | Free/Libre/Open Source Server software | 22 years | Apache, Postfix, Qmail, Dovecot, Courier, Nginx, Matamo, Discourse, Wordpress, Mautic,Dolibarr, Revive, Firefly, Cloudron, Coolify, Gitea, Gitlab, GitHub, Git, Jenkins, Rundeck, N8N, Mysql,Postgresql, LetsEncrypt, ACME, cfssl |
| 5 | Cyber Security | 22 years | PCI Compliance (tier 1 implementations), security hardening, audits, breach response and mitigation, patch and vulnerability management. |
| 6 | Networking | 22 years | Linux Virtual Server, HAProxy, Ubiquiti Unifi, Opnsense, Pfsense, HP, Cisco, Arista, Dell, DNS, DHCP, IPAM, PXE, IPS, IDS, GRE, IPSEC. Wireguard, OpenVPN, Nebula, Tailscale, RADIUS. Mostly layer2 data center/campus/access some WAN,firewall,layer3 |
| 7 | Monitoring | 22 years | Uptime kuma, librenms, zabbix, zenoss, nagios |
| 8 | Storage | 22 years | NFS, Samba, CIFS, Netapp, ZFS, True/Free NAS, 3par, MSA, Equallogic, EMC, generic iscsi |
| 9 | Virtualization | 22 years | VmWare, Parallels,HyperV, KVM, Xen |
| 10 | Containerization | 15 years | LXC, Docker,OpenVZ |
| 11 | Configuration management | 22 years | Slack, Cfengine, Puppet, FetchApply, Ansible, Hashicorp Packer/Vault |
| 12 | Embedded development | 5 years | Raspberry pi, arduino, seeduino, Lego Mindstorms |
| 13 | Programming/Automation | 22 years | Bash , J2ME, PHP, Ruby, PowerShell, TCL/TK, Java |
| 14 | Git | 15 years | branching, merging, multiple teams, external vendors, submodules |
| 15 | LLM | 2 years | OpenWebUI, Apple Silicon, QA/validation, RAG, data cleaning/prep |