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redhat doc FUJITSU doc NetTimeLogic doc FUJITSU DOC Event ordering is very important, for incident analysis, performance analysis and so on. Event ordering is based on timestamps. Timestamps are collected from multiple servers, so Clock synchronization is important. If precision and accuracy of clock synchronization are bad, event ordering ca...

using agent managing node stackoverflow cloudbees Step 1. prepare on agent # create user(name could be others then jenkins) useradd -d /var/lib/jenkins jenkins // use /home/jenkins as home directory is available too # setup new user password passwd jenkins # change user su - jenkins # create ssh key mkdir /var/lib/jenkins/.ssh touch /var/l...

Determine Burstsize Burst In general in various metering and policing implementations, burst size means the granularity of the meter. For example, OpenFlow spec says: It defines the granularity of the meter band, for all packet or byte bursts whose length is greater than burst value, the meter rate will always be strictly enforced. ht...

Official Documentation Scapy is a Python program that enables the user to send, sniff and dissect and forge network packets. This capability allows construction of tools that can probe, scan or attack networks. Simple usage # execute 'scapy' to enter scapy shell. # specify IP Header value and create packets, this will create 4 packets as th...

https://beaker-project.org/docs/ modprobe.blacklist You can use any of the below method to enable qedf debug logs. echo 0x1 > /sys/module/qedf/parameters/debug insmod drivers/scsi/qedf/qedf.ko debug=1 I installed a distro first with kernel option modprobe.blacklist=qedf. After the system boot up, i installed your kernel with "rpm -ivh --fo...

https://beaker-project.org/docs/ Administration Guide +-------------------+ +-------------------+ +--------+ |Server | |Lab Controller1 +----+system1 | | | | | +--------+ |+----------+ +----+ | ||Scheduler | | | | ...

Reserved IPv4 dhcp 1.dhcp discovery: 客户端以广播方式发出dhcp discovery消息，寻找本地子网内的dhcp服务器， 源地址是客户端最近一次获取的dhcp地址，或者0.0.0.0 2.dhcp offer: 子网内的一台或多台dhcp服务器回应dhcp offer消息，消息中包括一个建议的ip和掩码， 还包括dhcp服务器的id，即服务器的ip地址 3.dhcp request: 客户端以广播的方式发出dhcp request，确认特定dhcp服务器的dhcp offer。 消息中会包括dhcp服务器的id。使用广播的方式，是因为要向其他d...

Reserved ICMPv6 Summary IPV6包头--下一个头部58--ICMPv6消息 8位类型--8位代码--16位校验和 ---------消息主体---------- ...... ---------消息主体---------- 有两类消息： 0-127是错误消息 128-255是信息类消息 错误消息汇总： 类型-------名称--------------代码------代码描述 1 目的不可达 0 没有通往目的主机的路由 1 与目的主机的通信被管理性禁止 2 ...