koji

If you want to install php5.4, you have to introduce epel and remi to install php5.4.


If you don't have wget, you have to do this, but if you have wget, you don't need this step.

Step1. Install wget

sudo yum install wget -y

koji

Step1
yum install iptables-services

Step2
to start iptables 起動
systemctl start iptables 

to stop iptables 停止
systemctl stop iptables

koji

If you hit 
rbenv install --list 
There isn't 2.1.0.

You should try this.

cd "$(rbenv root)"/plugins/ruby-build && git pull


CentOS rbenv + ruby-build

koji

#!/usr/bin/env perl
#use strict;
#use warnings;

my @array = qw ( 0123 123 XXX);
print "表示："."@array\n";

my $num = join '-' , @array;
print "電話番号的なもの："."$num\n";

koji

#!/usr/bin/env perl
use strict;
use warnings;

for my $i (1..100) {
   if ($i%15 == 0) {
      print "FizzBuzz\n";
   } elsif ($i%5 == 0 ) {
      print "Buzz\n";
   } elsif ($i%3 == 0 ) {

koji

#!/usr/bin/env perl
use strict;
use warnings;

my @array1; # 配列

# 3回入力する
for my $i (1..3) {
  print $i."番目";
	chomp($array1[$i-1] = <STDIN>);