rhel version command

Google's own compiled language go language yesterday updated 1.3 version of the official version, the main content is more accurate garbage collection mechanism, effectively solve the previous GC recovery problem. The go language, a compiled language published in 2009 by Google, can reduce the complexity of code without losing its performance, and has won the Tiobe website's 2009-year award, which awards th

After downloading the sublime decompression, want to put the folder in the OPT directory, here with the command CP copy it oversudo CP -r ~/download/sublime_2. 0.2 /opt/[sudo for Johnny: [email protected]I use the Chinese deep Linux system, so some folders are Chinese characters.Usage of CPUsage: CP [options] ... [-t] source file destination fileOR: CP [options] ... Source file ... DirectoryOR: CP [options] ...-t directory source files ...Option-R#

This example tells the greedy snake game C + + command line version of the implementation code, is very classic game. Share to everyone for your reference. The implementation methods are as follows: As we all know, the snake game is a classic computer game. The game is described as follows: 1. Greedy snake can be automatic straight forward, or the player can be manipulated b

Tagged with: trace attributionNeither Windows nor Linux system Traceroute commands can show attribution, and in actual network maintenance, the attribution addresses of these trace routes are also important information to help us locate where the problem occurs. The following is a script written by Python to show the place of attribution. Also convenient for their own memory and future use.#!/usr/bin/pythonimportsysimportosimportreimporturllib2importsubprocessimport platformdefgetlocation (ipadd

Deletion of the building: Reference if (file_exists ("file.htm"))//Check if this file exists if (file_exists ("chat"))//Check if this folder exists Rename (' index.php ', ' Index '); Rename index.php to index fopen ("name.php", "A +"); Create a file mkdir ("Boot", "0777"); Create a folder and set the property to 777 RmDir ("include");//Delete folder Unlink ("index.php");//delete files Query for database: Reference $db = new Db_query; $db->connect (); $db->query ("DROP DATABASE $DbName;"); /$dbna

=1; iif(F[u]!=f[v]) {E[++cnt].u=f[u]; E[CNT].V=F[V]; E[CNT].W=E[I].W-L[V]; }} m=cnt; }returnAns;}intMain () {Freopen ("Test.in","R", stdin);intI,n,m;DoubleAns while(scanf("%d%d", n,m)!=eof) { for(i=1; iscanf("%LF%LF", AMP;S[I].X,AMP;S[I].Y); for(i=1; iscanf("%d%d", AMP;E[I].U,AMP;E[I].V);if(E[I].U!=E[I].V) e[i].w=dist (S[E[I].U],S[E[I].V]);ElseI--, m--; } ans=directed_mst (1, n,m);if(ans==-1)printf("Poor snoopy\n");Else printf("%.2f\n", ans); }return 0

Ls-l | awk ' {k=0;s=0;for (i=0;i At the same time, the site also made a strengthened version of the LS command # #一键升级加强版ls命令 Wget-cq http://www.dwhd.org/script/lsmod-O/bin/lsmod chmod +x/bin/lsmod Echo ' A Lias ls= "/bin/lsmod" ' >> ~/.BASHRC . ~/.BASHRC ##### #如果是Debian系系统请运行下面的一键 wget-cq http://www.dwhd.org/script/lsmod-O/bin/lshmod chmod +x/bin/ Lshmod Echo ' Alias ls= '/bin/lshmod ' >>

'. ' Tb_name '( ID varchar() notNULL, name varchar( ) CHARACTER SET UTF8); One of the benefits of developing a coding method is to enhance the processing of Chinese, which can solve the problem of garbled content in some parts of the table in different tools.1. Specific inquiriesSELECT Content from ForumWHERE content= ' narrowing the gap between rich and poor is a tangled topic, how to shrink? The key is income distribution. The people with great power of discourse, the income dist

During this period of time, I have been working on the interface. At the beginning, it was a simple texture operation. Later, I felt that it was not universal and the code was not reusable, you also need to do a lot of basic work (you need to add images on the interface and set the order of stacked images ). Later, it was encapsulated into a class, and the code reusability was improved. However, you had to add multiple controls on the interface. In addition, you had to add a lot of code when the

1. Generate key: Keytool-genkey-alias demo.keystore-keyalg rsa-validity 40000-keystore demo.keystore2. Signature file: Jarsigner-verbose-keystore demo.keystore-signedjar demo_signed.apk demo.apk demo.keystoreIf the installation fails, add the parameter "-digestalg sha1-sigalg Md5withrsa" after re-signing the installationIf not available-tsa or-tsacert, this jar does not have a timestamp. If there is no timestamp, the user may not be able to verify the jar after the expiration date (XXXX-XX-XX) o

#include #include #define MAXLINE 1000int Getline (char *line, int max);/* Find:print lines that match pattern from 1st ARG */Main (int argc, char *argv[]){Char Line[maxline];Long Lineno = 0;int C, except = 0, Number = 0, found = 0;while (--ARGC > 0 (*++ARGV) [0] = = '-')while (c = *++argv[0])Switch (c) {Case ' x ':except = 1;BreakCase ' n ':Number = 1;BreakDefaultprintf ("Find:illegal option%c\n", c);ARGC = 0;Found =-1;Break}if (argc! = 1)printf ("Usage:find-x-n pattern\n");Elsewhile (Getline

After the Lite mode is turned on, line 73rd in thinkphp/extend/mode/lite/dispatcher.class.php:// resolve the remaining URL parameters$res Preg_replace (' @ (\w+) '. $depr. ' ([^ '. $depr implode ($depr,$paths));There are two points: one is added preg_replace using the E modifier, two is ' $var [\ ' \\1\ ']= ' \\2\; ' The PHP code in double quotes can be executed directly.Like what:Http://localhost/index.php/index/index/name/$%[email protected]%28%29%7dThe Phpinfo () function is executed to print

languages, and you can use it to display the results of a string, a number, a mathematical expression, and so on. How do I use the special features of the Select command in MySQL? (1). Show MySQL version Mysql> select version (); +-----------------------+ | version () | +-----------------------+ | 6.0.

!$: The last parameter of the previous command, with Alt +. Same !$:p: Print out the contents of the!$ !*: All parameters of the previous command !*:p: Print out the contents of the!* ^blah: Delete blah from previous command ^blah^foo: Replace blah in the previous command with Foo ^blah^foo

Linux System version commandFirst, check the system Kernel version command:1) [[email protected] ~]# cat/proc/version Linux version 2.6.18-238.el5pae ([email protected]) (GCC version 4.1.2 20080704(Red Hat 4.1.2-50)) #1 SMP Sun De

version 'Download codeIf you want to download the code that's hosted on Git, just know the code-managed path and enter:$ git clone https://github.com/libgit2/libgit2If you want to rename the download to a local directory then enter:$ git clone https://github.com/libgit2/libgit2 foldernameThis will perform the same action as the previous command, but the locally created warehouse name becomes foldername.Log

# View the properties of all network interfaces # Iptables-L # View firewall settings # route-N # View routing table # Netstat-LNTP # View all listening ports # netstat-ANTP # View all established connections # netstat-S # View network statistics view Linux process # PS-EF # View All processes # top # Real-time display process Status View user's command # w # view active user # ID# View specified user information # Last # View user log in log # cut-D

Last week when installing the search engine Elasticsearch, asked to install a newer version of Java, I chose Java 1.8.0, the installation of Java after the successful use of java-version found that the version is still 1.6.0,Some information was queried to find that the version of the selected software could be replace

A general view of the Linux system version number involves two content, one is to view the Linux kernel version number, and the other is to view the release package version number. Here's an example of how to view the system kernel and distribution version number with Ubuntu 16.04 lts.To view the kernel

./examples/mnist/train_lenet.shError:./train_lenet.sh:4:./train_lenet.sh:./build/tools/caffe:not foundRe-compilingsudo make allDisplay: Nothing-to-be-do for allThe final trained model is stored as a binary protobuf file:./examples/mnist/lenet_iter_10000.caffemodelThis model can be used to directly use theSuddenly you can use the ...Re-executesudo sh ./examples/mnist/train_lenet.shIt's best to add time to see how long it takesHappy, fortunately, the CPU vers