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Oracle Trace Event Set event

only when an error is encountered during a user session. In addition, the user can generate the class file by performing an Oracle trace event (see later), which is saved in the directory specified by the User_dump_dest parameter, with the file format oraxxxxx.trc,xxxxx the process number (or thread number) that created the file.II. Oracle Tracking EventsOracle provides a class of commands that can dump (dump) information contained in Oracle's various internal structures to trace files so that

Cute python_ After class exercise _cday?4 the first Python script available

Reads the contents of the file Cdays?4-test.txt, removes empty lines and comment lines, sorts them in the behavior unit, and outputs the results as cdays?4-result.txt. Cdays?4-test.txt's Content#some Wordssometimes in life,you find a special friend; Someone who changes your life just by being part of it. Someone who makes your laugh until you can ' t stop; Someone who makes your believe that there really are good in the world. Someone who convinces you, there really is a unlocked door just

Centos 7.2 install and configure the user-authenticated squit forward proxy, centossquit

needs to set a firewall policy to forward the client's Web access data to the proxy service program for processing.Reverse Proxy: the proxy server is used to receive connection requests from the Internet and then forward the requests to servers on the internal network, return the result obtained from the server to the Client Requesting connection from the Internet. The proxy server is displayed as a server.I. Agent Server System Environment[Root @ ecs-35f2 ~] # Cat/etc/redhat-release?CentOS Lin

Heartbeat v2 Implementation of HA Web based on haresources

/init.d/httpd start [[Email protected] ~]# IP A 1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00 inet 127.0.0.1/8 Scope host Lo INET6:: 1/128 Scope Host Valid_lft Forever Preferred_lft Forever 2:eth0: Link/ether 00:0c:29:cf:c0:42 BRD FF:FF:FF:FF:FF:FF inet 172.16.100.7/24 BRD 172.16.100.255 Scope Global eth0 inet 172.16.100.1/24 BRD

Heartbeat v2 Implementation of HA Web based on haresources

start [[Email protected] ~]# IP A 1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00 inet 127.0.0.1/8 Scope host Lo INET6:: 1/128 Scope Host Valid_lft Forever Preferred_lft Forever 2:eth0: Link/ether 00:0c:29:cf:c0:42 BRD FF:FF:FF:FF:FF:FF inet 172.16.100.7/24 BRD 172.16.100.255 Scope Global eth0 inet 172.16.100.1/24 BRD 172.16.100.255 scope Global secondary

Oracle trace files and dump commands detailed __oracle

only when an error is encountered during a user session. In addition, the user can generate the class file by performing an Oracle trace event (see later), which is saved in the directory specified by the User_dump_dest parameter in the file format oraxxxxx.trc,xxxxx as the process number (or thread number) for creating the file.Second, Oracle tracking eventsOracle provides a class of commands to dump (dump) information contained within Oracle's various internal structures into trace files so t

Combat lvs+keepalived for load balancing and high availability

add-host $SNS _vip Dev lo:0echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignoreecho "2" >/proc/sys/net/ipv4/conf/lo/arp_announceecho "1" >/proc/sys/net/ipv4/conf/all/arp_ignoreecho "2" >/proc/sys/net/ipv4/conf/all/arp_announceSysctl-p >/dev/null 2>1echo "Realserver Start OK";;StopIfconfig lo:0 DownRoute del $SNS _VIP >/dev/null 2>1echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignoreecho "0" >/proc/sys/net/ipv4/conf/lo/arp_announceecho "0" >/proc/sys/net/ipv4/conf/all/arp_ignoreecho "0" >/proc/sys/net/ipv

Some collection of IPROUTE2 commands

inet192.168.0.11/ -scope Global eno16777736 Valid_lft forever Preferred_lft forever Inet6 fe80::20c:29ff:fed0:a203/ -scope link Valid_lft forever Preferred_lft forever #添加网卡别名并添加标记 labelip addr Add192.168.1.2Label eno16777736:0Dev eno16777736# View, more eno16777736:0IP addr Show eno167777362: eno16777736: theQdisc P

Detailed description of Oracle tracking files and dump commands

addition, you can execute an oracle tracking event (see the following section) to generate this type of file. The User tracking file is saved in the directory specified by the user_dump_dest parameter. The file format is oraxxxxx. TRC, Xxxxx is the process number (or thread number) of the file to be created ). 2. Oracle tracking events Oracle provides a class of commands, dump information contained in various Oracle internal structures to the tracking file so that users can solve various f

Those rotten stems in the SCP.

to make the reader look surprised, whether they will only be cold. "9"Translation: We welcome your creations, but please kan that your work will be added to the collection area that has been lagoon in a large number of creations, and that it would be subjected to more stringent scrutiny, and that it would require a very skillful reader to impress. Dr. Gears notes: The contents of the above-mentioned,

075_breakthroughs in Delphi graphics and game programming

maddeningly long hours. Their torturous task of preparing the vegetarian meal of holy leaves Consumed by these monsters had them working late into the night, and the art required to create these holy Leaves was arcane indeed. These monks practiced the great art in the same dark recesses from whence it was conceived, and the art Grew. The once young pioneers had become pedantic, wizened old masters. These old Wizards were still Rebellious and, yearning for a new form of entertainment, they used

Singleton mode-implemented in other ways, mode-implemented

Singleton mode-implemented in other ways, mode-implemented 1-(void) viewDidLoad 2 {3 [super viewDidLoad]; 4 5 [self test]; 6} 7 8-(void) test 9 {10 XZMusicTool * tool = [[XZMusicTool alloc] init]; 11 XZMusicTool * tool2 = [[XZMusicTool alloc] init]; 12 XZMusicTool * tool3 = [sharesharedmusictool]; 13 XZMusicTool * tool4 = [XZMusicTool sharedMusicTool]; 14 15 // copy may generate a new object. 16 // The copy method will call-copyWithZone: 17 XZMusicTool * tool5 = [tool4 copy]; 18 19 NSLog (@ "% @

How to install the Ghost blog platform on Linux

After you confirm that the Ghost is running properly, press Ctrl + C to disable the Ghost in developer mode. Now you can start Ghost in user mode. When you run Ghost in user mode, you can use Node. js calls the forever module. The forever module allows you to run the Ghost with the daemon process, and allows you to run the Ghost with subsequent processes. Install the f

Gerrit git Slow 10mb/s

264.081ms2:10.29.176.148 283.860ms3:10.29.176.153 291.790ms4:10.29.178.27 283.551ms reached[Email protected]:/tmp$ tracepath pek12-acos2014-gerrit-mirror.aka.amazon.com-n1.: [LOCALHOST] PMTU 15001:10.29.184.1 1.134ms1:10.29.184.1 6.752ms2:10.29.176.146 1.220ms3:10.29.176.65 2.056ms asymm 24:10.29.176.153 1.087ms asymm 35:10.29.178.27 0.333ms reachedRESUME:PMTU Hops 5 Back 61[Email protected]:~$ IP Addr1:lo: Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00inet 127.0.0.1/8 Scope host LoValid

Nodejs Start with background service

1: Find from the WebIn Linux we can use this simple way to let node. js run in the background: Nohup node Your_app.js has not been successful after many experiments2: Use Forever to launch our application1) If the system is not installed, please install forever first# NPM Install forever-g2) Start the daemon with forever

Install kvm in centos 7.0

NetworkManager # After you manually modify the NIC file, restart the NetworkManager service to take over the network configuration again. # Solution when the NIC configuration file conflicts with the NetworkManager configuration: {1. Restart NetworkManager; 2. Disable NetworkManager} [Root @ kvm network-scripts] # systemctl restart network [Root @ kvm network-scripts] # ip a # ip command used to view and manage ip information 1: lo: Link/loopback 00: 00: 00: 00: 00: 00 brd 00: 00: 00: 00: 00:

Docker installation and sharing of common commands and sharing of common docker commands

state DOWN Link/ether 02: 42: cc: f6: 67: 93 brd ff: ff Inet 172.17.0.1/16 scope global docker0 Valid_lft forever preferred_lft forever 15. View logs (for troubleshooting) Tail-f/var/log/messages | grep docker 16. Basic commands Docker search Docker pull java Docker images Docker run-it java-version (-it Interaction Mode) Docker run-it java ps Docker run-it java uname Docker run java ip addr Docker run jav

Install kvm on centos7

TX packets 1 bytes 90 (90.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [Root @ 361way network-scripts] # ip add show 1: lo: Mtu 65536 qdisc noqueue state UNKNOWN

Ubuntu Server Run JS, let JS run down

SSH connection Ubuntu,node xxx.js run JS, a close SSH connection, JS service is closed. Baidu has discovered a great God's answer here copy a big God answer, to recordlet Ghost always run the previous mentioned start Ghost using the NPM Start command. This is a good choice to start and test in development mode, but there is a downside to booting with this command line: Ghost stops when you close the terminal window or disconnect from SSH. In order to prevent Ghost from stopping working, there ar

Nodejs server crashes 2 ways to resolve

:00Node server.Jsroot15765 0.0 0.7 1031248 30144 ? Sl Feb25 0:01Node scripts/Web-Server.Jsroot19648 0.0 0.0 103240 872Pts/3S+ 13:57 0:00grep node[[Email protected]~]#Kill10680 Close the 10680 node server[[Email protected]~]#PS aux|grep noderoot15765 0.0 0.7 1031248 30144 ? Sl feb25 0: 01 node Scripts/web-.19653 0.0 0.0103240 872 Pts/3 S+ 13:57 0:00 Three, forever tools1, install Forever# npm ins

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