[ale] VPS or not
Chuck Peters
cp at axs.org
Thu Mar 31 16:25:24 EDT 2011
>
> We are moving to Prgmr and that should be completed tomorrow or Saturday,
> but I have until Friday to avoid paying another month.
>
I should have said the 4th, or 8 days... to complete the migration.
In terms of VPS security, Xen is likely to be safer than Virtuozzo.
Tektonic uses Virtuozzo and Linode and Prgmr use Xen. Also Virtuozzo
slices have no swap space.
Another thing I should have also mentioned is the Prgmr AUP, bulk mail is
not ok without special permission. We run some lists and obtained approval.
I was going to try to show some memory stats of our slice at Tektonic...
Tektonic
# smem
smem requires a kernel >= 2.6.27
Prgmr, this is a small slice only running DNS.
root at xen:~# smem
PID User Command Swap USS PSS
RSS
504 root /sbin/getty -8 38400 hvc0 0 88 141
548
252 root udevd --daemon 0 92 217
608
265 root udevd --daemon 0 96 221
612
187 root udevd --daemon 0 168 244
604
385 root cron 0 212 285
800
183 root upstart-udev-bridge --daemo 0 228 391
812
1 root /sbin/init 0 504 730
1492
366 root rsyslogd -c4 0 744 832
1432
25480 root /usr/sbin/sshd -D 0 412 917
2116
13284 root -bash 0 1280 1377
1944
13272 root sshd: root at pts/0 0 1024 1560
2824
15259 root /usr/bin/python /usr/bin/sm 0 3680 3859
4608
32595 bind /usr/sbin/named -u bind 0 26364 26481
27064
Tektonic...
The memstat is a bit long to paste here, but here is meminfo with a bit cut
out.
# cat /proc/meminfo
MemTotal: 1048576 kB
MemFree: 364208 kB
LowTotal: 1048576 kB
LowFree: 364208 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Mapped: 684368 kB
Committed_AS: 950672 kB
Hugepagesize: 2048 kB
And Prgmr meminfo
# cat /proc/meminfo
MemTotal: 249612 kB
MemFree: 26748 kB
Buffers: 15944 kB
Cached: 164204 kB
SwapCached: 0 kB
Active: 81364 kB
Inactive: 126712 kB
Active(anon): 224 kB
Inactive(anon): 27876 kB
Active(file): 81140 kB
Inactive(file): 98836 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 249612 kB
LowFree: 26748 kB
SwapTotal: 524280 kB
SwapFree: 524280 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 27928 kB
Mapped: 5860 kB
Shmem: 172 kB
Slab: 10964 kB
SReclaimable: 8088 kB
SUnreclaim: 2876 kB
KernelStack: 432 kB
PageTables: 352 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 649084 kB
Committed_AS: 89192 kB
VmallocTotal: 600056 kB
VmallocUsed: 500 kB
VmallocChunk: 599544 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 262144 kB
DirectMap2M: 0 kB
Chuck
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