摘要：Linux block devices can be partitioned into several partitions, max to several tens or hundreds primary partitions. (According to MBR or GPT) In order 阅读全文

摘要：ioctl is used in communication with modules of Linux. Module: User space In case of Makefile is needed: 阅读全文

摘要：From wiki quote: The Time Stamp Counter (TSC) is a 64-bit register present on all x86 processors since the Pentium. It counts the number of cycles sin 阅读全文

摘要：SNMP is a protocol that enables server remote-info-exchange. Which according to wikipedia: it [collecting and organizing information about managed dev 阅读全文

摘要：The following is concluded from here. Consider we have 2 interfaces: eth0 & eth1 bond the two interface: in ifcfg-eth0/ifcfg-eth1: remove IP/MASK/GW/U 阅读全文

摘要：shortcuts: c-w: delete word before c-a: move to first char c-y: delete everything after cursor c-z: exit to user-view c-n, c-p: trivial c-b, c-f: back 阅读全文

摘要：journalctl -t ovs-vswitchd ovs-vsctl show ovs-ofctl show br0 set vlanid ovs-vsctl set port eth0 tag=100 阅读全文