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mac turn on port 22select System Prefrence-sharing to open remote loginTest whether openImportsockets = Socket.socket ()S.connect ((' 127.0.0.1 ', A))S.send (' Scan ')Banner = S.RECV (1024x768)PrintBannerPort ScanImportsocket forPort inch Range ( -, -): Try:s = Socket.socket () Print "[+] attempting to connect to 127.0.0.1:" + str (port)S.connect ((' 127.0.0.1 ', Port))S.send (' Scan ')Banner = S.RECV (1024x768) if Banner: Print "[+] Port" + str (port

This article describes the Linux usage techniques that are accumulated in peacetime.Properties of the fileHidden properties of the fileLsattr: List Hidden properties of a fileChattr: Modifying hidden properties of a file[Email protected] ~]# chattr [+-=][asacdistu] FileName+: Add one attribute-: Remove one attribute=: Set To is the only attributes the files hasImportant OptionsA: You can only append the contents of a file, but you cannot modify or delete itI: File cannot be deleted, renamed, Can

shutting down the firewall from the configuration menu is not working, simply do not install the firewall at the time of installationTo view the firewall status:/etc/init.d/iptables StatusTo temporarily turn off the firewall:/etc/init.d/iptables Stopprevent firewalls from starting at system startup/sbin/chkconfig--level 2345 iptables offRestart iptables:/etc/init.d/iptables RestartOff topic:BT or mule slow not need to shut down the firewall, as long a

Http://www.cocoachina.com/ios/20141106/10153.htmlIPHONE6/6 plus Screen fit demo (Code bottom processing) (Forum member Satian) httThe project is a IPHONE6/6 plus screen adaptation demo, using a code-writing interface adaptation method to IPhone5 screen resolution as the basis for design.Test environment: Xcode 6.0,ios 6.0 or moreGoogle:java Code Turn objective-c (J2OBJC)J2OBJC is an open source command-line tool from Google that translates Java code i

SysIf not '/module/path ' in Sys.path:Sys.path.append ('/module/path ')We can add the search path of the module to the Python interpreter by executing a similar statement using the Python C API. Once you have added a search path, you can PyImport_ImportModule load the Python module with a function. The PyImport_ImportModule return value is PyObject* , in order to avoid problems such as manual handling of cumbersome reference counts, we turn to the mo

To view the SELinux status: 1,/usr/sbin/sestatus-v # #如果SELinux The status parameter is enabled is turned on SELinux status:enabled 2. Getenforce # #也可以用这个命令检查 To turn off SELinux: 1, temporarily shut down (do not restart the machine): Setenforce 0 # #设置SELinux become permissive mode # #setenforce 1 set SELinux to become enforcing mode 2. Modify the configuration file to restart the machine: Modify the/etc/selinux/config file Change Selinux=enforcing

Turn: javax.net.ssl.SSLHandshakeException:Received fatal Alert:handshake_failure SolutionJavax.net.ssl.SSLHandshakeException:Received Fatal Alert:handshake_failure SolutionThis is caused by the JDK, the JDK has a JCE package, security mechanism caused by the access to HTTPS will be error, the official web has replaced the jar package, replace it goodLocal_policy.jar,us_export_policy.jar in the catalogue%java_home%\jre\lib\security.JDK7 http://www.orac

original excerpt from: 7458666Comparison of several jar turn EXE methodsApril 13, 2012 17:33:07Hits: 15396ObjectiveToday is the day to do this, no words, burn, ah,In fact, the advantages of Java are really not on the application,Want to make software to learn C or something.DescriptionSeveral methods have been tried,But it's not successful.Maybe I have a problem with the operation."Jsmooth"Contact with the first Jartoexe software,Refer to this article

Third-party libraries cannot be opened due to increased selinux privilege levels, which can be confirmed if Setenforce 0 is used. You need to add the appropriate permissions. Modify the Te permissions.To view the SELinux status:1,/usr/sbin/sestatus-v # #如果SELinux The status parameter is enabled is turned onSELinux status:enabled2. Getenforce # #也可以用这个命令检查To turn off SELinux:1, temporarily shut down (do not restart the machine):Setenforce 0 # #设置SELinu

Installing centos6.5 under VMware accesses the extranet via bridging, so you need to configure the IP.I. IP configuration1.1. Configure Dynamic IPVi/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0hwaddr=00:0c:29:e1:e4:8eType=ethernetuuid=f271bf73-7d8f-448f-8e8b-71c39eb13509Onboot=yes (important is enabled)Nm_controlled=yesBOOTPROTO=DHCP (Important configuration)2.2. Configure Dynamic IPDevice=eth0Hwaddr=00:0c:29:b1:f1:24Type=ethernetuuid=8887bd2f-999f-4a85-912e-2a98b7ac4465Nm_controlled=yesO

network Adapter VMnet8 Virtual network card is only used for communication with the VMNET8 network segment, it does not provide the routing function for the VMNET8 network segment, the guest under the virtual NAT network is connected to the Internet using Virtual NAT server.At this point, your guest and host will be able to exchange visits, and if your host is connected to the Internet at this time, your guest will be able to connect to the Internet. So what role does the VMware network Adapter

row res.Writehead (200{ ' Content-type ' : ' Text/plain ' }) . (}) .listen (5000 Start the above script, and then execute the disown command. $ node server.js $ disown Then, when you exit the session and access Port 5000, you will find that you are not connected.This is because the standard I/O for "background tasks" inherits from the current session, disown and the command does not change this. Once the "background task" reads and writes the standard I/O, it will find

To view the SELinux status:1,/usr/sbin/sestatus-v # #如果SELinux The status parameter is enabled is turned onSELinux status:enabled2. Getenforce # #也可以用这个命令检查To turn off SELinux:1, temporarily shut down (do not restart the machine):Setenforce 0 # #设置SELinux become permissive mode# #setenforce 1 set SELinux to become enforcing mode2. Modify the configuration file to restart the machine:Modify the/etc/selinux/config fileChange Selinux=enforcing to Selinux

Original address:Eclipse keeps building workspace ...Android Development Forumjuapk Perfect Solution SummaryOne, the causes of this problem are many1, automatic upgrade 2, not properly closed 3, Maven download lib hang and so on.Second, the settlement summary(1), SolutionMethod 1.To Modify the Eclipse startup file Eclipse.ini Add the startup parameter parameter:-vmargs-xmx512mMethod 2.Turn off Auto-build workspace: Project--Build Auto ... ..Method 3.a

--------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------Convert Unix/linux timestamps in OracleThe Unix/linux timestamp is a number of seconds calculated from the GMT January 1, 1970 period.Unix/linux timestamp converted to standard time format (mainly note time zone issues):Select To_date (' 19700101 ', ' yyyymmdd ') + 1235728935/86400 +to_number (SUBSTR (Tz_offset), Sessiontimezon

910111213141516171819202122 /*** @FileName SIGKILL.C* @Describe use kill function to send a signal to a process with the PID from argv[1]* @Author Vfhky 2015.08.03 https://typecodes.com/cseries/unixsigtermkill.html* @Return success:0 Failure:-1*/#include #include #include IntMain(Intargc,Char**Argv){If(argc!=2){Printf("Usage:./sigkill process_pid");return -1} printf ( "you'll send a signal to the process=[%s]! "argv[1); kill (atoi (argv [1sigterm ); printf ( "Send over! \n "); return 0;}

default) while writing the memory data, and the database state can be restored through the log file when the Redis encounters an unexpected condition. However, because of this, in a system with tens of thousands of concurrent changes, the command log is a very large amount of data (log files will be larger), management maintenance costs are very high, recovery rebuild time is very long, this will lead to the loss of aof high availability of the original intention ( AoF's intentions are data re

layer also provides the user process with an interface for registering timers. This forms the control flow of the user process by the scheduler. The use cases that usually wake up the sleep process are not in the normal control flow range because the user process cannot predict when it will wake up. Finally, the scheduler interacts with the CPU to block and recover the process, which in turn forms the data flow between them and the control flow--CPU

SELinux (security-enhanced Linux) is a mandatory access control in Linux, which enhances system security, but can be a lot of trouble if set up poorly.To view the SELinux status:1,/usr/sbin/sestatus-vSELinux status:enabled2, GetenforceTo turn off SELinux:1. Temporary closure:Setenforce 0 offSetenforce 1 Open2. Modify the configuration file to restart the machine:Modify the/etc/selinux/config fileSelinux=enforcing OpenSelinux=disabled offThis article

After installing play Ubuntu 15.04, a wireless card that does not recognize the notebook is found. Click System settings, software and updates, additional drivers. Installed inside the recommended wireless card driver, found clicking on the COM 802.11 Linux STA wireless driver source code. After you apply the changes, you are still jumping to the not applicable devices option. Then take the following steps to start solving the problem: Lspci-vvnn | grep 14e4 View the wireless card information. 0