RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ UA UC UD UE UF UG UH UI UJ UK UL UM UN UO UP UQ UR US UT UU UV UW UX UY UZ VA VB VC VD VE VF VG VL VI VJ VK VL VM VN VO VQ VR VS VT VU VV VW VX VY VZ WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ XA XB XC XD XE XF XG XH XI XJ XK XL XM XN XP XQ XR XS XT XU XV XW XX X
Tags: NIS slave serverTo replace an NIS master server from an NIS slave server:1. Modify the/etc/default/NIS file (the content is the same as that of the NIS master server, omitted)2. Copy the/etc/passwd,/etc/shadow,/etc/group, and/etc/netgroup files of the NIS master server to the NIS slave server, copy the valid information to the NIS slave Server File.3. Restart ypbind.# Service ypbind stop# Ypbind-broadcast4. Write existing account information (that is, account information copied from the NI
Rabin algorithm is an asymmetric encryption algorithm based on Modulus square and square root of modulus.0X01 encryption process set the private key p, Q is two prime, public key n=p*q. For clear text m and ciphertext C, define the following encryption procedure (Public Key cryptography procedure): The 0X02 decryption process calculates MP and MQ based on the following formula:A usable YP and YQ are deduced according to the following formula:The final
: The result of ifconfig command is sliced.[Email protected] ~]# ifconfig eth0 |grep ' inet addr ' |Cut-d ': '-f2 | Cut-d '-f1172.16.168.9[[email protected] ~]#6. List the file names of all files ending with. conf in/etc directory and convert their names to uppercase and save them to the/tmp/etc.conf file.[Email protected] ~]# ls/etc/*.conf |Cut-d '/'-f3 | Tr ' A-Z ' A-Z ' >/tmp/etc.conf [[email protected] ~]# cat/tmp/etc.conf dracut. Confgai. Confgrub. Confhost. Confinit. Confkdump. CONFKRB5. C
In python, descriptor (descriptor) is like this.
Many tutorials often make descriptor very complex, long articles, and so on.
In fact, a single sentence is used to hook class operations to control behavior.Most of the time, it is used to block access to instance attributes.
As long as there are _ get _ (), _ set _ (), and _ delete _ () methods in the class. it is a descriptor. let's think about it. If we can't escape the three methods for an operation on a class, we need to hook the methods for
= ' list ']/li[1]/div[2]/span[1]")); -Webelement end = Driver.findelement (By.xpath ("//*[@id = ' list ']/li[2]/div[2]/span[1]")); About NewActions (Driver). Draganddrop(begin, end). Perform (); $ - //Right-click to implement - //Although the use of the element is still test1item, but the page after the refresh needs to reposition - //refer to http://docs.seleniumhq.org/exceptions/stale_element_reference.jsp ADriver.findelement (By.xpath ("//*[@id = ' Tbtext ']"
"Simple Nodejs Pauling" Example C + + extension Modulehello.cc#include Binding.gyp{' Targets ': [{' target_name ': ' Hello ', ' sources ': ['./hello.cc '], ' conditions ': [[' OS = = ' Win ', {' Libraries ': ['- Lnode.lib ']}]}]}Configure no problem:C:\wxg\test\nodejs\dll_demoλnode-gyp CONFIGUREGYP Info It worked if it ends with okgyp info using [emailprotected]g YP info using [emailprotected] | Win32 | X64gyp info Spawn C:\Python27\python. Exegyp inf
-2.6.12.0
3. obtain necessary software packagesSudo apt-get install build-essential bison flexSudo apt-get install gcc-3.4Sudo rm/usr/bin/gccSudo ln-s/usr/bin/gcc-3.4/usr/bin/gccNote: here the gcc-3.4 replaces the built-in compiler of the system, after installation can be changed back in the same way
4. Installation (errors may occur)./Arm. sh
5. Modify the fileVi $ home/crosstool-0.42/build/arm-linux/gcc-3.3.6-glibc-2.3.2/build-glibc/csu/version_info.hModify the version_info.h file with the fol
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Always be careful of the los
folder permission
Cd/package // enter this folder
Wgethttp: // cr. yp. to/daemontools/daemontools-0.76.tar.gz // use the wget command to download daemontools to the current directory
Gunzip daemontools-0.76.tar
Tar-xpf daemontools-0.76.tar // extract daemontools in both steps
Rm-f daemontools-0.76.tar // Delete the installation package
Cd admin/daemontools-0.76 // enter the installation folder
Nano src/conf-cc // edit the src/conf-cc file to p
Android frosted glass effect, mainly found in the 3 implementation scheme,1, if the system's API is above 16, can use the system provides the method direct processing picture if (Build.VERSION.SDK_INT >) {2, if the API conditions are not satisfied, you can use the following methods @SuppressLint ("Newapi") public static Bitmap Fastblur (context context, Bitmap sentbitmap, int radius) { Bitmap Bitmap = sentbitmap.copy (Sentbitmap.getconfig (), true); if (RADIUS 3, the above method
list.html is the News Model column homepage and column list page, because PHPCMS think the news model is the most important bar, so the template of the news model does not have a suffix, the other models of the column home page and the list of pages to take the suffix, such as category-info.html,list-info.html, this is the Information Column Model column homepage, column list page, other similar. For some extension models, such as the Yellow Pages, the templates are below the \
('bar.f1') b=Bar () b.f2 ()#encapsulation is not a pure sense of concealment#1: Encapsulate Data Properties: Hide properties, and then provide access to the interface of properties, the key is that we customize some control logic within the interface to strictly control the use of data propertiesclasspeople:def __init__(self,name,age):if notisinstance (NAME,STR):RaiseTypeError ('%s must be str'%name)if notisinstance (age,int):RaiseTypeError ('%s must be int'%Age ) self.__name=name self.__age=
/issue files usually include a short description of the system or welcome information. The content is determined by the system administrator.The results of the Execute cat/etc/issue command in Ubuntu are as follows:[Plain]View PlainCopyprint?
[Email protected]:~$ cat/etc/issue
Ubuntu 11.10 \ \l
[Email protected]:~$
2. View the kernel version of the command 2.1 command uname-aUname from Utsname, is a system call, formatted asint uret = uname ((struct utsname) * uname_b
; displays the short hostname. This is the host name at the first point.-V, version, success standard output print version information, and exit.-V Detail-Y,yp,nis; display NIS domain name5. Lspci-tv List of PCI devicesLSUSB-TV Display USB DeviceDate Displays the system dateCal 2007 Displays the 2007 calendar tableDate 041217002007.00 sets the day and time of day-the year of the month. secondsClock-w saving time changes to the BIOS--------------------
mount point├──mnt temporary mount points for other file systems├──opt installation directory For additional applications (third-party software)├──proc pseudo-File system---are kernel parameters, abstract to file format├──root home directory for Super admin├──run├──sbin tool program for administrators to use├──srv data provided by the current host for the service├──sys pseudo File System--used primarily to manage devices├──tmp Storing temporary files---system will periodically clean up/usr itsel
for Pathfinder b
1. Using Arpspoof to implement ARP spoofing attacks on target machines# arpspoof-i Eth0-t 192.168.1.125 192.168.1.1
2. Using Dsniff to obtain data information for the specified port# dsniff-i Eth0-t 21/tcp=ftp,80/tcp=http
The types of protocols supported by Dsniff include:Ftp,telnet,smtp,http,pop,nntp,imap,snmp,ldap,rlogin,rip,ospF,pptp,ms-chap,nfs,vrrp,yp/nis,socks,x11,cvs,irc,aim,icq,napster,ostgresql,meeting Maker,cit
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