online实验室提供免费的vps，一个账户能开设两台机器，只能同时运行一台机器，可以申请固定ip地址。我申请了三个账户，因为填邮箱的时候一直没收到激活邮件，就填了三个邮箱，一不小心就申请到三个账户了，也可见申请还是很容易的。只要填写自己的真实信息。
下面简单测试一下online的免费vps。
界面简洁大气：
cpu信息：
[root@labs-1923a7 ~]# cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 2 (v7l)
Features : half thumb fastmult vfp edsp thumbee vfpv3 tls idiva idivt vfpd32 lpae
CPU implementer : 0x56
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x584
CPU revision : 2
processor : 1
model name : ARMv7 Processor rev 2 (v7l)
Features : half thumb fastmult vfp edsp thumbee vfpv3 tls idiva idivt vfpd32 lpae
CPU implementer : 0x56
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x584
CPU revision : 2
processor : 2
model name : ARMv7 Processor rev 2 (v7l)
Features : half thumb fastmult vfp edsp thumbee vfpv3 tls idiva idivt vfpd32 lpae
CPU implementer : 0x56
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x584
CPU revision : 2
processor : 3
model name : ARMv7 Processor rev 2 (v7l)
Features : half thumb fastmult vfp edsp thumbee vfpv3 tls idiva idivt vfpd32 lpae
CPU implementer : 0x56
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x584
CPU revision : 2
Hardware : Marvell Armada 370/XP (Device Tree)
Revision : 0000
Serial : 0000000000000000
内存：
[root@labs-1923a7 ~]# cat /proc/meminfo
MemTotal: 2069244 kB
MemFree: 1808856 kB
MemAvailable: 1809716 kB
Buffers: 47912 kB
Cached: 157976 kB
SwapCached: 0 kB
Active: 126928 kB
Inactive: 99096 kB
Active(anon): 21280 kB
Inactive(anon): 64 kB
Active(file): 105648 kB
Inactive(file): 99032 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 1318908 kB
HighFree: 1164528 kB
LowTotal: 750336 kB
LowFree: 644328 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 4 kB
Writeback: 0 kB
AnonPages: 20136 kB
Mapped: 29112 kB
Shmem: 1212 kB
Slab: 26212 kB
SReclaimable: 19752 kB
SUnreclaim: 6460 kB
KernelStack: 656 kB
PageTables: 596 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1034620 kB
Committed_AS: 151488 kB
VmallocTotal: 245760 kB
VmallocUsed: 3580 kB
VmallocChunk: 239584 kB
硬盘：
[root@labs-1923a7 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/nbd0 19G 646M 17G 4% /
none 1008M 0 1008M 0% /dev
tmpfs 1011M 0 1011M 0% /dev/shm
tmpfs 1011M 1.2M 1010M 1% /run
tmpfs 1011M 0 1011M 0% /sys/fs/cgroup
下载速度：
wget http://cachefly.cachefly.net/100mb.test
--2015-03-24 00:46:59-- http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net (cachefly.cachefly.net)... 62.210.187.96
Connecting to cachefly.cachefly.net (cachefly.cachefly.net)|62.210.187.96|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: ‘100mb.test’
100%[======================================>] 104,857,600 33.8MB/s in 3.0s
2015-03-24 00:47:02 (33.8 MB/s) - ‘100mb.test’ saved [104857600/104857600]
硬盘I/O测试：
[root@labs-1923a7 ~]# dd if=/dev/zero of=test bs=64k count=16k oflag=dsync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 119.826 s, 9.0 MB/s
最后，ping一下
这里就不教大家如何申请了，如果想申请的，就留言留邮箱吧，我会邀请。能不能通过online审核，不保证，然后自己琢磨怎么注册吧。
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