About Bitnux

Bitnux is a consulting and system development company based in Gävle and Uppsala, Sweden. We always focus on delivering flexible and secure solutions, whether we develop the system by ourselves or use existing software. We offer both entire system solutions and integration between or expansion of your existing systems.

Security

System and network security is one of our main areas. We can either secure your existing network and servers or build your company's network from ground up. We also offer the following services:
  • Code Review
  • System Solutions
  • Penetration Testing
  • Exploit Development
  • Support & Training
System Development

We develop software under both Windows and Unix based platforms, such as Linux, OpenBSD, FreeBSD and Solaris. Programming languages we use include C, C++, Object Pascal (Delphi/Kylix), Java, Perl, Tcl and shellscript. Areas we have competence in include, but is not limited to, the following:
  • Home Control (X10)
  • Telecom (Dialogic)
  • Client/Server (TCP/IP, SSL, SecMsg)
  • Locks and Passage Systems (Solid, Bewator)
  • Embedded Systems (Linux, uClinux)
  • Data Conversion (Excel, Raindance, Abalon, Polwin, Proceedo, EDI)
  • Web Applications (CGI, PHP, Perl, Javascript)
  • Database Management (MySQL, Access)
System Administration

We have solid experience of installing, configuring and maintaining systems, mostly Unix based. We can also offer support when problems arise or automate and make administrative tasks more effective. We can automate most of what is normally done manually, some examples are user management, backup, extraction of information from log files, generation of statistics and implementing alarm functions. Naturally we can also plan your whole network (DMZ, firewall incl. NAT, VPN) and setup servers for tasks such as the following:
  • WWW (Apache)
  • Mail - SMTP/POP3/IMAP (Qmail, Postfix, Sendmail)
  • Database (MySQL, PostgreSQL)
  • FTP (PureFTPd, WU-FTPd, ProFTPd)
  • DNS (djbdns, BIND)
  • DHCP / BOOTP (ISC)
  • Shell (SSH)
  • IDS (Snort, NFR)
  • VPN (IPSec, PPTP, PPP+SSL)
  • Firewall (IPTables, IPChains, PF, IPF, IPNAT)
  • Log server (Syslog)
  • File server (NFS, Samba)
  • Printer server (Samba, lpd)
  • Radius (Livingston, Cistron, FreeRadius)
  • Versions handling (CVS, Subversion)
  • Development (GCC, GDB, etc)

Chat with us!

Quick support and good customer relations are things we value highly, we are therefore available on our chat both for clients and the curious. Feel free to try it out! In there you can discuss solutions with us and get cost estimates, or perhaps just ask us some questions if you want to know more about us.