openvpn server hardware requirements

Took some time to study the next ktls, which stems from a problem with colleagues, that is, the HTTPS server today and the SCP command to transfer local files, can not use the Sendfile system call!This topic reminds me of a lot of old colleagues, in

Interesting ipsec vpn connection ConfigurationI. Level 1: PIX-PIXThe customer proposed to look at a vpn model. In view of the demonstration nature, the requirements were not high, nor did the customer propose the requirements for negotiation

Single-ended port aggregation and loop Port aggregation is designed to load or provide redundant backup on the Ethernet link. It has a fundamental conflict with another solution, because it not only supports redundancy, but also load, however,

Compiled with PHP resources by other programmers, Kahun initiates a system administrator-related open source resource collation on Github.Content classifications include: Backup/Clone software, Cloud/cloud storage, collaboration software,

Another article: "10 Best Books for system administrators" is now richer than the list of Kahun they have collated.Bole Online has launched the "system Administrator resource Daquan Chinese version" in the collation of GitHub. Welcome to the

BackupBackup software Amanda-Client-server model Backup tool Bacula-Another client-server model Backup tool Backupninja-Lightweight, extensible meta-data backup system BACKUPPC-Client-server model Backup tool and file sharing

Line Speed Concept Many people misunderstand this line-speed concept. The so-called wire speed ability is the router/switch is like a wire. And this, is impossible. One of the concepts that should be considered is latency. Packet into the router or

What the advanced Linux SA needs to do:Linux---------System installation (CD-ROM or automated installation)Linux---------System Common tool installation (Sudo,ntp,yum,rsync,lrzsz Sysstat curl wget nmap tree Iptraf screen,sysstat net-snmp)Linux-------

Several virtual NICs related to Linux Network virtualization-VETH/MACVLAN/MACVTAP/LANLinux Nic drivers contain many "virtual NICs ". Earlier articles have analyzed in detail virtual network adapters such as tun and ifb. Similar ideas: Under the

Diagram of several virtual NICs related to Linux Network virtualization-VETH/MACVLAN/MACVTAP/LAN,-vethmacvlanLinux Nic drivers contain many "virtual NICs ". Earlier articles have analyzed in detail virtual network adapters such as tun and ifb.