Unzip plusieurs fichiers
Pour unzip plusieurs fichiers exemple a1.zip a2.zip etc …
unzip '*.zip'
unrar e -r -o- *.rar
Installer Openvpn sur Centos7
yum -y install epel-release yum -y install openvpn Installer ifconfig yum install net-tools
Optimisation de serveurs Windows
Calcul du temps de transfert
Trouver ce qui prends de la place sur votre disque
Fonctionne avec plusieurs types de disques
Utiliser son propre routeur avec Bell Fibe
Table Netmask
Netmask | Inverse | /CIDR | Usable | Size |
---|---|---|---|---|
0.0.0.0 | 255.255.255.255 | /0 | 4,294,967,294 | The Internet |
128.0.0.0 | 127.255.255.255 | /1 | 2,147,483,646 | 128 Class ‘A’s |
192.0.0.0 | 63.255.255.255 | /2 | 1,073,741,822 | 64 Class ‘A’s |
224.0.0.0 | 31.255.255.255 | /3 | 536,870,910 | 32 Class ‘A’s |
240.0.0.0 | 15.255.255.255 | /4 | 268,435,454 | 16 Class ‘A’s |
248.0.0.0 | 7.255.255.255 | /5 | 134,217,726 | 8 Class ‘A’s |
252.0.0.0 | 3.255.255.255 | /6 | 67,108,862 | 4 Class ‘A’s |
254.0.0.0 | 1.255.255.255 | /7 | 33,554,430 | 2 Class ‘A’s |
255.0.0.0 | 0.255.255.255 | /8 | 16,777,214 | 1 Class ‘A’ |
255.128.0.0 | 0.127.255.255 | /9 | 8,388,606 | 128 Class ‘B’s |
255.192.0.0 | 0.63.255.255 | /10 | 4,194,302 | 64 Class ‘B’s |
255.224.0.0 | 0.31.255.255 | /11 | 2,097,150 | 32 Class ‘B’s |
255.240.0.0 | 0.15.255.255 | /12 | 1,048,574 | 16 Class ‘B’s |
255.248.0.0 | 0.7.255.255 | /13 | 524,286 | 8 Class ‘B’s |
255.252.0.0 | 0.3.255.255 | /14 | 262,142 | 4 Class ‘B’s |
255.254.0.0 | 0.1.255.255 | /15 | 131,070 | 2 Class ‘B’s |
255.255.0.0 | 0.0.255.255 | /16 | 65,534 | 1 Class ‘B’ |
255.255.128.0 | 0.0.127.255 | /17 | 32,766 | 128 Class ‘C’s |
255.255.192.0 | 0.0.63.255 | /18 | 16,382 | 64 Class ‘C’s |
255.255.224.0 | 0.0.31.255 | /19 | 8,190 | 32 Class ‘C’s |
255.255.240.0 | 0.0.15.255 | /20 | 4,094 | 16 Class ‘C’s |
255.255.248.0 | 0.0.7.255 | /21 | 2,046 | 8 Class ‘C’s |
255.255.252.0 | 0.0.3.255 | /22 | 1,022 | 4 Class ‘C’s |
255.255.254.0 | 0.0.1.255 | /23 | 510 | 2 Class ‘C’s |
255.255.255.0 | 0.0.0.255 | /24 | 254 | 1 Class ‘C’ |
255.255.255.128 | 0.0.0.127 | /25 | 126 | 128 Hosts |
255.255.255.192 | 0.0.0.63 | /26 | 62 | 64 Hosts |
255.255.255.224 | 0.0.0.31 | /27 | 30 | 32 Hosts |
255.255.255.240 | 0.0.0.15 | /28 | 14 | 16 Hosts |
255.255.255.248 | 0.0.0.7 | /29 | 6 | 8 Hosts |
255.255.255.252 | 0.0.0.3 | /30 | 2 | 4 Hosts |
255.255.255.254 | 0.0.0.1 | /31 | 0 | 2 Hosts |
255.255.255.255 | 0.0.0.0 | /32 | 1 | 1 Host |
Créer ISCSI distributed SWITCH
Connection VPN et garder internet par sa carte réseau principale
- From the Control Panel, choose “Network & Internet.”
- Click “View Network Status and Tasks.”
- Click “Manage Network Connections.”
- Right-click on your VPN connection and select “Properties.”
- Select the “Networking” tab.
- Highlight “Internet Protocol Version 4 (TCP/IP v4).”
- Click “Properties.”
- Click “Advanced.”
- Uncheck the “Use default gateway on remote network” box.
- Click “OK” three times to close the windows you opened.