Netadmins offre maintenant de l’hébergement WEB au Canada

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Netadmins offre maintenant l’hébergement WEB

 

Unzip plusieurs fichiers

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Pour unzip plusieurs fichiers exemple a1.zip a2.zip etc …

unzip '*.zip'
unrar e -r -o- *.rar

Installer Openvpn sur Centos7

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yum -y install epel-release
yum -y install openvpn

Installer ifconfig
yum install net-tools

Optimisation de serveurs Windows

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https://msdn.microsoft.com/en-us/library/windows/hardware/dn529134

Calcul du temps de transfert

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http://techinternets.com/copy_calc

Trouver ce qui prends de la place sur votre disque

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Fonctionne avec plusieurs types de disques

http://antibody-software.com/web/software/software/wiztree-finds-the-files-and-folders-using-the-most-disk-space-on-your-hard-drive/

Utiliser son propre routeur avec Bell Fibe

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http://blog.ngpixel.com/post/104449747538/how-to-bypass-bell-fibe-hub-and-use-your-own-router

Table Netmask

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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

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http://www.everything-virtual.com/installing-the-home-lab/installing-the-home-lab-creating-and-configuring-an-iscsi-distributed-switch-for-vmware-multipathing/

Connection VPN et garder internet par sa carte réseau principale

Posted by Kronyx

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1. From the Control Panel, choose “Network & Internet.”
2. Click “View Network Status and Tasks.”
3. Click “Manage Network Connections.”
4. Right-click on your VPN connection and select “Properties.”
5. Select the “Networking” tab.
6. Highlight “Internet Protocol Version 4 (TCP/IP v4).”
7. Click “Properties.”
8. Click “Advanced.”
9. Uncheck the “Use default gateway on remote network” box.
10. Click “OK” three times to close the windows you opened.