Deep dive into Kernel

voidattach_port(char *identifier){ portid_t pi = 0; unsigned int socket_id; printf("Attaching a new port...\n"); if (identifier == NULL) { printf("Invalid parameters are specified\n"); return; } if (rte_eth_dev_attach(identifier, &pi)) return; ports[pi].enabled = 1; socket_id = (unsigned)rte_eth_dev_socket_id(pi); /* if socket_id is invalid, set to 0 */ if (check_socket_id(socket_id) < 0) socket..

DBGvpp# show interface Name Idx State Counter Countlocal0 0 down 호스트에 vpp0라는 인터페이스가 생긴다.Create Vethip netns add ns0 ip link add vpp0 type veth peer name vethns0 ip link set vethns0 netns ns0 ip netns exec ns0 ip link set lo up ip netns exec ns0 ip link set vethns0 up ip netns exec ns0 ip addr add 6.0.0.1/16 dev vethns0 ip link set vpp0 up 호스트에 vpp0라는 인터페이스가 생긴다.Create Vethip netns add ns1 ip lin..

Before commit vpp check coding style build-root/scripts/checkstyle.sh --fix

src/vnet/l2/l2_bd.c

import boto3 import logging import traceback logging.basicConfig(level=logging.DEBUG) logger = logging.getLogger("test") aki=" ... my access key id .... " sak="... my secure access key ...." client = boto3.client('ec2',region_name='us-west-2',aws_access_key_id=aki, aws_secret_access_key=sak) def create_keypair(client, KeyName): try: res = client.create_key_pair(KeyName=KeyName) print res['KeyNam..

nohup > /dev/null 2>&1 &

Config file : /usr/lib/systemd/system/ Format [Unit]Description = My ProgramAfter = network.target [Service]Type = forkingExecStart = xxxx --with-parameters ExecReload = ExecStop = pkill -9 xxxxPrivateTmp=true [Install]WantedBy=multi-user.target

mysql> show variables like "%version%"; +-------------------------+--------------------------------------+ | Variable_name | Value | +-------------------------+--------------------------------------+ | innodb_version | 5.6.31 | | ndb_version | 459788 | | ndb_version_string | ndb-7.4.12 | | ndbinfo_version | 459788 | | protocol_version | 10 | | slave_type_conversions | | | version | 5.6.31-ndb-7...

apt-get install gpm

In CentOS,update at /etc/sysconfig/network http://serverfault.com/questions/567249/centos-multiple-nics-routing-issue