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BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the HOW TO WRITE A DEVICE DRIVER IN FREEBSD http://people.freebsd.org/~jmg/drivers/ Frameworks kld newbus rman/bus_space(9) cdevsw bus_dma(9) sysctl SYSINIT ADVENTURES IN BUILDING OPEN SOURCE SOFTWARE Adventures in building open source software Sevan Janiyan - BSDCan 2015 sevan@NetBSD.org - pkgsrc NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps IMPROVING TCP/IP SECURITY THROUGH RANDOMIZATION WITHOUT IP ID Fixes Use a ID value of 0 on fragments with the DF (don't fragment) bit set – Tried by Linux, some firewalls / NAT machines were found to strip DF bits, causing a stream of fragmented packets that all had the same ID value Store per-IP state and use a separate counter for each IP (Linux) A SCALABLE CONCURRENT MALLOC(3) IMPLEMENTATION FOR FREEBSD A Scalable Concurrent malloc(3)Implementation for FreeBSD Jason Evans April 16, 2006 Abstract The FreeBSD project has been engaged inongoing work to
FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fle BUILDING A FREEBSD APPLIANCE WITH NANOBSD Computer appliance: A specialized server that is designed for ease of installation and maintenance. Appliances have their hardware and software bundled in the product, so all applications arepre-installed.
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the HOW TO WRITE A DEVICE DRIVER IN FREEBSD http://people.freebsd.org/~jmg/drivers/ Frameworks kld newbus rman/bus_space(9) cdevsw bus_dma(9) sysctl SYSINIT ADVENTURES IN BUILDING OPEN SOURCE SOFTWARE Adventures in building open source software Sevan Janiyan - BSDCan 2015 sevan@NetBSD.org - pkgsrc NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps IMPROVING TCP/IP SECURITY THROUGH RANDOMIZATION WITHOUT IP ID Fixes Use a ID value of 0 on fragments with the DF (don't fragment) bit set – Tried by Linux, some firewalls / NAT machines were found to strip DF bits, causing a stream of fragmented packets that all had the same ID value Store per-IP state and use a separate counter for each IP (Linux) A SCALABLE CONCURRENT MALLOC(3) IMPLEMENTATION FOR FREEBSD A Scalable Concurrent malloc(3)Implementation for FreeBSD Jason Evans April 16, 2006 Abstract The FreeBSD project has been engaged inongoing work to
FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fleBSDCAN 2020
BSDCan - The BSD Conference. Come join us at the 17th annual BSDCan! BSDCan, a BSD conference held in Ottawa, Canada, quickly established itself as the technical conference for people working on and with 4.4BSD based operating systems and related projects.The organizers have found a fantastic formula that appeals to a wide range of people from extreme novices to advanced developers. MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? A REIMPLEMENTATION OF NETBSD USING A MICROKERNEL Based on the MINIX 3 microkernel, we have constructed a system that to the user looks a great deal like NetBSD. It uses pkgsrc, NetBSD headers and libraries, and passes over 80% of the KYUA tests). NETWORK SECURITY MONITORING WITH SGUIL NSM Requirements • Need to investigate different sorts of events • Normal activity triggers alerts but is not harmful • Suspicious activity is unusual but probably not harmful • Malicious activity is definitely designed to harm targets • Need supporting data to make decisions • Alert data provides a potential indicator of security incidents • Session data is a content neutral BSDCAN2017: BOOSTING BHYVE NETWORKING WITH NETMAP Performance of Bhyve VM networking is currently very limited (< 2 Gbit/s), as slow TAP devices are used as a network backend. Netmap extensions for virtualization come to the rescue, offering a solution that upgrades Bhyve to a state of the art tool for Network Function Virtualization, allowing over 20 Gbit/s of TCP throughput and over 20 Mpps of packet rate. FORENSIC TIMELINE ANALYSIS OF ZFS Forensic Timeline Analysis of ZFS Using ZFS Metadata to enhance timeline analysis and detect forged timestamps. Dylan Leigh , FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fle WHAT IS A SECURITY FLAW? Colin Percival May 13, 2006 BSDCan'06 1. What is a security flaw? • FreeBSD: – Any privilege escalation. – Any disclosure of potentially sensitive information. DTRACE INTERNALS: DIGGING INTO DTRACE (1) DTrace Solaris History Created by Bryan Cantrill, Mike Shapiro, and Adam Leventhal at Sun Microsystems Development begins (2001) Solarisintegration (2003)
MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
BUILDING A FREEBSD APPLIANCE WITH NANOBSD Computer appliance: A specialized server that is designed for ease of installation and maintenance. Appliances have their hardware and software bundled in the product, so all applications arepre-installed.
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps NETWORK SECURITY MONITORING WITH SGUIL NSM Requirements • Need to investigate different sorts of events • Normal activity triggers alerts but is not harmful • Suspicious activity is unusual but probably not harmful • Malicious activity is definitely designed to harm targets • Need supporting data to make decisions • Alert data provides a potential indicator of security incidents • Session data is a content neutral FORENSIC TIMELINE ANALYSIS OF ZFS Forensic Timeline Analysis of ZFS Using ZFS Metadata to enhance timeline analysis and detect forged timestamps. Dylan Leigh , NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the FREEBSD BASED JAPANESE ENTERPRISE SYSTEM AND UNICAGE Introduction • Daichi GOTO / 後藤大地 1980~ • FreeBSD ports / src committer unionfs, japanese ports • BSD Consulting, Inc. Director young, new company • ONGS Inc. CEO my own company, very small company • Enterprise system design / development / management and maintenance, web server design / development / management andmaintenance, IT-
A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990sSSH MASTERY
Contents SSH Overview Encryption 101 OpenSSH Server Host Key Verification SSH clients Copying Files over SSH SSH Keys X Forwarding MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
BUILDING A FREEBSD APPLIANCE WITH NANOBSD Computer appliance: A specialized server that is designed for ease of installation and maintenance. Appliances have their hardware and software bundled in the product, so all applications arepre-installed.
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps NETWORK SECURITY MONITORING WITH SGUIL NSM Requirements • Need to investigate different sorts of events • Normal activity triggers alerts but is not harmful • Suspicious activity is unusual but probably not harmful • Malicious activity is definitely designed to harm targets • Need supporting data to make decisions • Alert data provides a potential indicator of security incidents • Session data is a content neutral FORENSIC TIMELINE ANALYSIS OF ZFS Forensic Timeline Analysis of ZFS Using ZFS Metadata to enhance timeline analysis and detect forged timestamps. Dylan Leigh , NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the FREEBSD BASED JAPANESE ENTERPRISE SYSTEM AND UNICAGE Introduction • Daichi GOTO / 後藤大地 1980~ • FreeBSD ports / src committer unionfs, japanese ports • BSD Consulting, Inc. Director young, new company • ONGS Inc. CEO my own company, very small company • Enterprise system design / development / management and maintenance, web server design / development / management andmaintenance, IT-
A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990sSSH MASTERY
Contents SSH Overview Encryption 101 OpenSSH Server Host Key Verification SSH clients Copying Files over SSH SSH Keys X Forwarding A REIMPLEMENTATION OF NETBSD USING A MICROKERNEL Based on the MINIX 3 microkernel, we have constructed a system that to the user looks a great deal like NetBSD. It uses pkgsrc, NetBSD headers and libraries, and passes over 80% of the KYUA tests). FORENSIC TIMELINE ANALYSIS OF ZFS Forensic Timeline Analysis of ZFS Using ZFS Metadata to enhance timeline analysis and detect forged timestamps. Dylan Leigh , ADVENTURES IN BUILDING OPEN SOURCE SOFTWARE Adventures in building open source software Sevan Janiyan - BSDCan 2015 sevan@NetBSD.org - pkgsrc NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990s IMPROVING TCP/IP SECURITY THROUGH RANDOMIZATION WITHOUT IP ID Fixes Use a ID value of 0 on fragments with the DF (don't fragment) bit set – Tried by Linux, some firewalls / NAT machines were found to strip DF bits, causing a stream of fragmented packets that all had the same ID value Store per-IP state and use a separate counter for each IP (Linux) FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fle SECURITY ASSESSMENT OF THE INTERNET PROTOCOL 4 Security Assessment of the Internet Protocol This document is the result of an assessment of the IETF specifications of the Internet Protocol from a security point of view. ZFS ALLOCATION PERFORMANCE name size alloc free expandsz frag cap dedup health altroot dcenter 12.2t 8.73t 3.46t - 62% 71% 1.00x online - WHAT IS A SECURITY FLAW? Colin Percival May 13, 2006 BSDCan'06 1. What is a security flaw? • FreeBSD: – Any privilege escalation. – Any disclosure of potentially sensitive information.BSDCAN 2021
BSDCan - The BSD Conference. There will be no BSDCan 2021. Instead, we encourage you to participate in EuroBSDCon 2021 . In 2020, BSDCan went virtual and EuroBSDCon cancelled, In MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? ADVENTURES IN BUILDING OPEN SOURCE SOFTWARE Adventures in building open source software Sevan Janiyan - BSDCan 2015 sevan@NetBSD.org - pkgsrc NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps IMPROVING TCP/IP SECURITY THROUGH RANDOMIZATION WITHOUT IP ID Fixes Use a ID value of 0 on fragments with the DF (don't fragment) bit set – Tried by Linux, some firewalls / NAT machines were found to strip DF bits, causing a stream of fragmented packets that all had the same ID value Store per-IP state and use a separate counter for each IP (Linux) A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990s A SCALABLE CONCURRENT MALLOC(3) IMPLEMENTATION FOR FREEBSD A Scalable Concurrent malloc(3)Implementation for FreeBSD Jason Evans April 16, 2006 Abstract The FreeBSD project has been engaged inongoing work to
FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fle WHAT IS A SECURITY FLAW? Colin Percival May 13, 2006 BSDCan'06 1. What is a security flaw? • FreeBSD: – Any privilege escalation. – Any disclosure of potentially sensitive information.BSDCAN 2021
BSDCan - The BSD Conference. There will be no BSDCan 2021. Instead, we encourage you to participate in EuroBSDCon 2021 . In 2020, BSDCan went virtual and EuroBSDCon cancelled, In MULTIPATH TCP FOR FREEBSD Multipath TCP for FreeBSD Nigel Williams njwilliams@swin.edu.au Centre for Advanced Internet Architectures (CAIA) Swinburne University ofTechnology
BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? ADVENTURES IN BUILDING OPEN SOURCE SOFTWARE Adventures in building open source software Sevan Janiyan - BSDCan 2015 sevan@NetBSD.org - pkgsrc NETWORK PERFORMANCE IMPROVEMENT FOR FREEBSD GUEST ON HYPER-V CheckSum Offload (10.2) Principle Offload the csum calculation to the host. •On send: the upper layer passes down mbufs with CSUM_IP/TCP/UDP flags; NetVSC hands over them to the backend VSP driver with the flags •On recv: NetVSP hands over packets with the flags to NetVSC; NetVSC pushes them to upper layer. Improvement Throughput improved by ~200Mbps IMPROVING TCP/IP SECURITY THROUGH RANDOMIZATION WITHOUT IP ID Fixes Use a ID value of 0 on fragments with the DF (don't fragment) bit set – Tried by Linux, some firewalls / NAT machines were found to strip DF bits, causing a stream of fragmented packets that all had the same ID value Store per-IP state and use a separate counter for each IP (Linux) A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990s A SCALABLE CONCURRENT MALLOC(3) IMPLEMENTATION FOR FREEBSD A Scalable Concurrent malloc(3)Implementation for FreeBSD Jason Evans April 16, 2006 Abstract The FreeBSD project has been engaged inongoing work to
FLATTENED DEVICE TREES FOR EMBEDDED FREEBSD Flattened Device Trees for embedded FreeBSD Usage scenarios Stand-alone device tree blob Full FreeBSD booting set-up, using loader(8) FDT blob is stand-alone i.e. a physically separate fle Delivered to the kernel by loader(8) Statically embedded blob Simplifed booting environments, no loader(8) DTB is integral part of the kernel image fle WHAT IS A SECURITY FLAW? Colin Percival May 13, 2006 BSDCan'06 1. What is a security flaw? • FreeBSD: – Any privilege escalation. – Any disclosure of potentially sensitive information.BSDCAN 2021
BSDCan - The BSD Conference. There will be no BSDCan 2021. Instead, we encourage you to participate in EuroBSDCon 2021. In 2020, BSDCan went virtual and EuroBSDCon cancelled, In 2021, it BSDCAN2017: HOW TO BUILD HIGH PERFORMANCE PF AND WEBSITES FreeBSD is the great choice for many of the busiest web sites and networking and storage devices. Along with the development of cloud computing, how to bring FreeBSD workload to the cloud and achieve high performance in the cloud? DTRACE INTERNALS: DIGGING INTO DTRACE (1) DTrace Solaris History Created by Bryan Cantrill, Mike Shapiro, and Adam Leventhal at Sun Microsystems Development begins (2001) Solarisintegration (2003)
A REIMPLEMENTATION OF NETBSD USING A MICROKERNEL Based on the MINIX 3 microkernel, we have constructed a system that to the user looks a great deal like NetBSD. It uses pkgsrc, NetBSD headers and libraries, and passes over 80% of the KYUA tests). NETWORK BUFFER ALLOCATION IN THE FREEBSD OPERATING SYSTEM for a packet-header type Mbuf which is typically the first Mbuf in a packet Mbuf chain. Therefore, the packet-header Mbuf usually contains additional generic header data fields supported by the pkthdr substructure. The pkthdr substructure contains a reference to the BSDCAN2017: BOOSTING BHYVE NETWORKING WITH NETMAP Performance of Bhyve VM networking is currently very limited (< 2 Gbit/s), as slow TAP devices are used as a network backend. Netmap extensions for virtualization come to the rescue, offering a solution that upgrades Bhyve to a state of the art tool for Network Function Virtualization, allowing over 20 Gbit/s of TCP throughput and over 20 Mpps of packet rate. A BRIEF HISTORY OF FREEBSD/MIPS FreeBSD/mips in 3.x! •Early port of FreeBSD to custom MIPS platform by Juniper Networks •Juniper Networks quietly shopped the code around the community in late 1990s FORENSIC TIMELINE ANALYSIS OF ZFS Forensic Timeline Analysis of ZFS Using ZFS Metadata to enhance timeline analysis and detect forged timestamps. Dylan Leigh , ZFS ALLOCATION PERFORMANCE name size alloc free expandsz frag cap dedup health altroot dcenter 12.2t 8.73t 3.46t - 62% 71% 1.00x online -WHY AND GOALS
Buildworld • Has a “minimum supported release” (MSR) • Only supports building from FreeBSD • Documented upgrade policy is only from last Major Release • Buildworld on head (11.0) supports building from ~9.1 currently • Supports cross-build to build binaries for a different architecture than the host • Must build native host binaries for build tools Interested in PostgreSQL? Try PGCon.
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BSDCAN - THE BSD CONFERENCE Come join us at the 17th annual BSDCan! BSDCAN, a BSD conference held in Ottawa, Canada, quickly established itself as the technical conference for people working on and with 4.4BSD based operating systems and related projects. The organizers have found a fantastic formula that appeals to a wide range of people from extreme novices to advanced developers.COVID-19
2020-03-23
We said we'd wait and see if things improve and decide by 1 April. Things are clearly not improving and let's not wait. BSDCan 2020 will be an online conference. It will not be in person. Details will soon follow. Hope this helps in the short term.2020-03-15
Early on, with the conference months away, we said it was too early to decide. Eventually, we will have to make a decision. We have decided on a go/no-go date. If things do not improve by 1 April, we will move to an online conference. We will not post anything on that date so as to avoid confusion. Instead, we will post shortly thereafter. Please subscribe to our announce mailing listfor
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* Tutorials: 3-4 June 2020 (Wed/Thu) * Conference: 5-6 June 2020 (Fri/Sat)LOCATION
* University of Ottawa, in the DMS (Desmarais) building.* See map
for location
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There will be related events (of a social nature, for the most part) on the day before and the day after the conference. HEADS UP: VISA REQUIRED FOR ENTRY INTO CANADA Starting in 2016, new visa requirements were created. Please read about Electronic Travel Authorization (eTA) on our travel page.
HEADS UP: OCTRANSPO CHANGES In 2020, there are significant changes to public transit in and near downtown. See our travel page forinformation.
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The deadline for submissions is 19 Jan. Please follow the instructionsfor submission .
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