さくらVPS 初期設定 ref: http://qiita.com/lapis_zero09/items/a77db6bbeb5fa83742a6

config

Host sakura
　　HostName {さくらのIPアドレス}
　　User {useraddしたユーザの名前}
　　Port {/etc/ssh/ssh_config.orgのPortで指定した番号}
　　IdentityFile ~/.ssh/id_rsa.sakura

file0.txt

$ ssh root@{サーバのIPアドレス}

file1.txt

$ yum update

file10.txt

$ ssh-keygen -t rsa
Enter file in which to save the key : id_rsa.sakura
Enter passphrase :

file11.txt

$ ls -a ~/.ssh
id_rsa.sakura   id_rsa.sakura.pub

file12.txt

$ chmod 600 id_rsa.sakura.pub

file13.txt

$ cd ~/.ssh
$ vim config

file15.txt

$ ssh sakura

file16.txt

$ scp ~/.ssh/id_rsa.sakura.pub sakura:~/.ssh/authorized_keys

file17.txt

$ ls -a ~/.ssh
authorized_keys

file18.txt

$ vim ~/.ssh/config

file2.txt

$ yum clean up
$ yum update

file20.txt

$ sudo -s

file21.txt

$ cp /etc/ssh/ssh_config /etc/ssh/ssh_config.org

file22.txt

$ vim /etc/ssh/ssh_config

file24.txt

$ service sshd restart

file25.txt

$ vim ~/.ssh/config

file27.txt

$ vim /etc/sysconfig/iptables

file29.txt

$ service iptables start

file3.txt

$ vim /etc/sysconfig/i18n

file30.txt

$ iptables -L

file5.txt

$ useradd {新しいユーザの名前}
$ passwd {useraddしたユーザの名前}

file6.txt

$ usermod -G wheel {useraddしたユーザの名前}

file7.txt

$ visudo

file9.txt

$ mkdir ~/.ssh
$ chmod 700 ~/.ssh

i18n

LANG="ja_JP.UTF-8"
SYSFONT="latarcyrheb-sun16"

iptables

*filter
:INPUT     DROP    [0:0]
:FORWARD   DROP    [0:0]
:OUTPUT    ACCEPT  [0:0]
:SERVICES  -       [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp --icmp-type echo-request -m limit 1/s --limit-burst4 -j ACCEPT
-A INPUT -p tcp -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p tcp -m state --state NEW -j SERVICES
-A INPUT -p udp --sport 53 -j ACCEPT
-A INPUT -p udp --sport 123 --dport 123 -j ACCEPT
-A SERVICES -p tcp --dport {/etc/ssh/ssh_config.orgのPortで指定した番号} -j ACCEPT
-A SERVICES -p tcp --dport 80 -j ACCEPT
-A SERVICES -p tcp --dport 443 -j ACCEPT
COMMIT

ssh_config

#Port 22
↓
Port {任意の番号}

PasswordAuthentication yes
↓
PasswordAuthentication no

#PermitRootLogin yes
↓
PermitRootLogin no

visudo

# %wheel       ALL=(ALL)      ALL
↓
%wheel       ALL=(ALL)      ALL