Deep dive into Kernel

# Download source make dpdk-install-dev DPDK_VERSION=17.11 ~~~bashgit clone https://gerrit.fd.io/r/vppcd vppmake install-depcd build-root./bootstrap.shmake V=0 PLATFORM=vpp TAG=vpp install-rpm~~~Debug 모드로 빌드하고 싶을 때make V=0 PLATFORM=vpp TAG=vpp_debug install-deb == Build lib/librte_eal/linuxapp/igb_uiomake: *** /lib/modules/3.10.0-327.el7.x86_64/build: No such file or directory. Stop.make[10]: **..

예제wget -r -nH --cut-dirs=3 -np http://ftp.usf.edu/pub/centos/5.4 옵션-r : recursive download-nH: don't create host directory--cut-dirs=N : ignore NUMBER remote directory components

#include int arr[10];void dfs(int n, int r, int sz) {for (int i = n; i >= r; i--) {arr[r - 1] = i-1;if (r > 1) {dfs(i - 1, r - 1, sz);}else {for (int i = 0; i < sz; i++) {printf("%d ", arr[i]);}printf("\n");}}}int main(){dfs(6, 4, 4);return 0;}https://helloacm.com/cc-coding-exercise-recursive-combination-algorithm-implementation/

zoneadm list -vi[root@headnode (Mobile) ~]# zoneadm list -vi ID NAME STATUS PATH BRAND IP 0 global running / joyent shared 1 fe0c43b9-7053-4b23-a57b-df79a470d98b running /zones/fe0c43b9-7053-4b23-a57b-df79a470d98b joyent-minimal excl 2 5e0778c2-da6c-42e4-a887-7873e3aa3c4e running /zones/5e0778c2-da6c-42e4-a887-7873e3aa3c4e joyent-minimal exclzone 접속zlogin zone에서 나오기~.

실행 : tmux세로창 나누기: ctl-b %가로창 나누기: ctl-b "창간 이동: ctl-b, 화살표창닫기: exit , ctl-d 새로운 window 만들기: ctl-b cwindows 이동: ctl-b nwindows 이동: ctl-b pwindows 이동: ctl-b Maximize current pane: ctl-b z tmux 세션 생성: tmux new -s tmux 나오기(detach): ctl-b dtmux 세션 리스트: tmux listtmux 세션 붙기: tmux attach -t Title 변경: ctl-b ,현재 pane을 full-screen: ctl-b z (복귀는 ctl-b z) Pane Title 설정 : ctl-b : rename-window title이 자동으로 변경되..

스크린 시작: screen -S 스크린 나오기: ctl-a,d스크린 리스트: screen -list스크린 다시 접속: screen -r 주요명령어: ctl-a, ctl-a,d : detach screen 스크린에서 나옴ctl-a,w: 몇개의 창이 존재하는지 보여줌ctl-a,c: 새 스크린 생성

vpp -c /etc/vpp/startup.conf ipfix classify table add ip4 0를 하면 인터페이스가 다운되고 죽음 set ipfix classify stream domain 0set ipfix exporter collector 192.168.1.254 port 8888 src 192.168.1.1 fib-id 0set ioam export ipfix collector 192.168.1.254 src 192.168.1.1 test classifyshow classify tables vpp# show classify tables TableIdx Sessions NextTbl NextNode 0 10 -1 0 Heap: 10 objects, 16k of 18k used, 364 fr..

vpp# ipfix classify table add ip4 0 vpp# set ipfix classify stream domain 0 vpp# set ipfix exporter collector 192.168.1.254 port 8888 src 192.168.1.1 fib-id 0Collector 192.168.1.254, src address 192.168.1.1, fib index 0, path MTU 512, template resend interval 20s, udp checksum disabled

proxy 아래에서 명령어를 실행하는 것은 OTL 1안)pip install xxxx --proxy= 2안)pip install xxx --proxy= --trusted-host pypi.python.org

vpp# set int ip address GigabitEthernet3/0/1 172.20.120.3/24vpp# set int state GigabitEthernet3/0/1 upset interface mtu 1500 TenGigabitEthernet0/5/0 show hardwarevpp# show hardware Name Idx Link HardwareTenGigabitEthernet0/5/0 1 up TenGigabitEthernet0/5/0 Ethernet address 52:54:00:c7:f8:96 Intel 82599 VF carrier up full duplex speed 10000 mtu 9216 rx queues 1, rx desc 1024, tx queues 1, tx desc ..