Linux: |
CentOS, Suse, Debian, Ubuntu, Fedora |
Unix: |
FreeBSD, Mac OS, SUN Solaris, HP-UX |
Windows: |
Windows 7/10/11, Windows Server 2012, 2016 & 2019, Office365, Active Directory, SharePoint, Exchange, Teams |
Virtualization: |
VMware, Ganeti, Virtual Box, Citrix XenServer |
Web servers: |
Apache, Tomcat |
FTP servers: |
Proftpd, Sftpd, ftpd, TFTP |
DNS: |
IPA, Bind, PowerDNS |
Firewall configuration: |
pfSense, NAT, connection tracking, iptables, ipfw, |
VPN: |
OpenVPN, Cisco VPN |
Mail: |
SMTP, Sendmail, Postfix, Qmail, Mailman, Barracuda, Discourse |
POP3/IMAP: |
Courier, Dovecot |
Security: |
Snort, WireShark, Nessus, nmap, Samba, SSH, SSL, TLS, TCP Wrappers, dsniff, tcpdump |
Database tools: |
MySQL, MariaDB, PostgreSQL |
Monitoring tools: |
Nagios, Icinga, Zabbix, Graphite, Garfana, MRTG, Splunk, Uptime Kuma,Vmstat |
Networking/Other: |
TCP/IP, SMTP, DNS,LDAP,HTTP/HTTPS, SSH, VLAN, NFS, CIFS, Scalability planning, Disaster recovery, Load balancing, RAID technologies |
Back-up tools: |
Tar, rsync, Bacula, Amanda, Snapshots, MYSQL-ZRM, Veeam |
Versioning Tools: |
Puppet, Git, Github |
CMS: |
Drupal, Joomla, WordPress |
Cloud computing: |
AWS, Microsoft Azure |
Hardware: |
Dell EqualLogic, Compellent, PowerVault, EMC/PowerEdge, Juniper: EX4600 |
Language/Scripting: |
PHP, Python, Perl, HTML,ASP, jQuery, Javascript, Bash |
Bug tracking tools: |
Jira, MantisBT, Confluence |
Library Software System: |
Innovative Millennium, VDX, Evergreen ILS, Koha, contentDM |
Orchestration platform: |
Docker |