dmidecode | grep -A3 ‘^System Information’
ipmitool -I lanplus -H bmc_ip -U root -P passwd chassis bootdev pxe options=persistent
Intel Omnipath is 100G fabric a less expensive alternative for Mellanox 100G.. we recently bought 10 Racks of servers with 100G Omnipath .
Until recently there is NO driver for Ubuntu , but i love centos so i kicked that in ..
Intel OPA is the latest generation of Intel’s high-performance fabric technology. It adds new capabilities to enhance high-performance computing performance, scalability, and quality of service. The Intel OPA components include Intel OP HFI, which provides fabric connectivity, switches that connect a scalable number of endpoints, copper, and optical cables, and a Fabric Manager (FM) that identifies all nodes, provides centralized provisioning, and monitors fabric resources. Intel OP HFI is the Intel OPA interface card which provides host-to-switch connectivity. Intel OP HFI can also connect directly to another HFI (back-to-back connectivity). Continue reading
Change the current timezone in CentOS 6 and older
Type the following commands as root:
So, after some digging, I just found a quick (but temporary) solution:
Just comment out the setting of “jdk.jar.disabledAlgorithms” in the file of”lib/security/java.security” (which is located at “/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/security/java.security, on my MacOS 10.12)
# =MD2, MD5, RSA keySize < 1024
After that, the JNLP file will be running as usual again.
Many people think that docker is a kind of monolithic system and they hardly understand how internally it works. see the figure below