3,322 reputation
31435
bio website yandex.ru/search
location Russia
age 27
visits member for 5 years, 3 months
seen yesterday

Mad Skillz:

 - Programming
 - System Administration
 - L2/L3/L4 network knowledge
 - FreeBSD and Linux experience
 - Highload passion
 - HPC(GPFS/Infiniband) user
 - IPv6 evangelist
 - nginx fan
 - p2p lover

Sep
11
reviewed Approve suggested edit on Windows Update: can't apply updates even as domain admin on Server 2008 R2
Sep
11
revised High CPU usage in random IP/Port UDP DDoS
added 103 characters in body
Sep
11
answered High CPU usage in random IP/Port UDP DDoS
Sep
11
comment High CPU usage in random IP/Port UDP DDoS
Using ipset in blacklist mode won't help against UDP flood with random source IPs.
Sep
11
revised High CPU usage in random IP/Port UDP DDoS
Improved formatting
Sep
11
revised What is the purpose of /proc/config.gz
Improved formatting
Aug
19
comment continous kernel EIP errors
If it's always in filesystem/journal related code then there is a change that fsck will help. PS. Also it's better to cut and paste starting from line ------------[ cut here ]------------
Jul
26
revised Join multiple filesystems (on multiple computers) into one big volume
added 162 characters in body
Jul
26
comment Join multiple filesystems (on multiple computers) into one big volume
To be taken seriously in Infiniband world ceph needs to implement native verbs interface. But still even with IPoIB on >= 12x`QDR` Infiniband ceph should be faster than 10G Ethernet interconnect.
Jul
24
awarded  Fanatic
Jul
12
revised How do I make OOM Killer more passive
deleted 43 characters in body
Jul
12
comment How do I make OOM Killer more passive
I'm just used to it because it has -e flag that I was using when swapping on external flash drive. Here, yes I guess it's rather useless.
Jul
12
revised How do I make OOM Killer more passive
[Edit removed during grace period]
Jul
11
answered How do I make OOM Killer more passive
Jul
11
comment How do I make OOM Killer more passive
btw, vm.overcommit_ratio is used iff vm.overcommit_memory == 2, but default value is 0: lxr.free-electrons.com/source/mm/mmap.c#L134
Jul
3
reviewed Leave Open Why store Apache SSL certificate and private key in separate files?
Jul
3
reviewed Approve suggested edit on Central authentication and /home storage with caching
Jul
3
reviewed Approve suggested edit on Central authentication and /home storage with caching
Jul
2
comment Netstat -s showing (and growing) “packets pruned from receive queue” and “packets collapsed in receive queue”
Can you show output of sudo ss -lnp?
Jun
29
reviewed Leave Open How to disable TLS 1.1 & 1.2 in Apache?