All Questions
325,300
questions
1
vote
1
answer
4k
views
How to mount USB on ESXi 4.1?
This is what I tried but it doesn't work :
Connect with SSH
# /etc/init.d/usbarbitrator stop
# fdisk -l |grep Disk
Disk /dev/disks/mpx.vmhba40:C0:T0:L0: 4022 MB, 4022337024 bytes
# ls /dev/disks/mpx....
0
votes
1
answer
1k
views
Does Bonding mode 0 works on Cisco SG100 and achieve 2GB speed for NFS?
I am planing to buy a switcher to link 2 servers each with 2 NICs (Intel Corporation I350 Gigabit Network Connection).
I read that "balance-rr is the only mode were one single TCP connection can ...
4
votes
1
answer
331
views
Solaris crossover via fiber
I have two Sun servers running Solaris 10. Both have Emulex fiber channel cards. I'd like to connect the two in a "crossover" fashion like you would copper ethernet & IPv4. Point being I have a ...
-1
votes
3
answers
1k
views
How to tar folders with specific letter
I have a long list of folders. i want tar only folder which starts with "a". How can i do that?
Actually, I am having photo gallery website, which has 1000s of folders. I wish to move another server ...
0
votes
1
answer
427
views
Linux RAID10 hit bad disk while re-syncing. Is it hosed?
I have a Linux software RAID10 device on md0. It's made up of 4 1TB disks sd[abcd]. Yesterday Smart emailed me to say a disk was going bad (seek errors going up and reallocated sectors). I rebooted ...
0
votes
2
answers
483
views
server load, litespeed, scsi, nameserver fail: all messed up
First of all: I have very basic knowledge about linux servers.
Here is our dedicated server details:
Intel(R) Xeon(R) CPU X3450 @ 2.67GHz
Total processor: 8
OS: Centos 32bit release 5.8 (Final)
...
1
vote
1
answer
2k
views
Per-user dynamic traffic shaping
At work we have a dedicated Internet link for everyday use (servers use a different link) with limited upload bandwidth (currently 3Mbps). Since there are ~80 users, sometimes this upstream link ...
2
votes
1
answer
12k
views
Why is the remote desktop service connected to a *random* IP? [duplicate]
Possible Duplicate:
How do I deal with a compromised server?
I noticed some unusual network behaviour on my Windows web server 2008 R2 x64 server, when I investigated on Resource Monitor I ...
1
vote
2
answers
3k
views
Unable to access different subnet
Router ip: 192.168.3.1
Windows server: 192.168.3.50 (WLan) and 192.168.2.1 (LAN)
PCs: 192.168.2.x
I am able to access 192.168.3.50 from laptop (in 3.x network) but unable to access through other ...
83
votes
4
answers
211k
views
How to find the physical volume(s) that hold a logical volume in LVM
I have a volume group (VG) that contains two physical volumes (PV).
Several logical volumes (LV) in the VG are likely to use extents on both PVs.
Is there a way to tell which LVs occupy space on ...
1
vote
1
answer
221
views
Can't login anymore via sshd
I have been working with SSH for a long time, but recently I have needed to add another user to my set up. I followed some instructions I found on the web and did the folllowing.
adduser sam
sudo ...
-2
votes
2
answers
2k
views
How to hide query string in url?
The below is the .htaccess code which is causing the rewrite in URL,
RewriteRule ^24-(.+)~(.+)\.html$ gallery_catagory.php?gallnm=$1&GalleryID=$2&%{QUERY_STRING} [nc]
but still I can see the ...
4
votes
3
answers
2k
views
Why do I have more users logged on than there are?
On an old GNU/Linux Ubuntu box I see something like
lorenzo@metropolis:~
$ w
09:58:18 up 651 days, 19:30, 5 users, load average: 0.28, 0.30, 0.24
The problem is, I am logged on other three ...
1
vote
1
answer
151
views
varnish3.0.2 rewrite the url howto
I have lots directories which have the same image "_a.png",like these:
/data/images/{a,b,c,d}
Because this, the varnish cache multiple copies.
Now I want to rewrite the urls to one,like this:
if (...
0
votes
2
answers
297
views
Is there a Juniper limitation on the number of SA in 'any to any' ACL in IKEv1
I've connected Juniper SRX5800 and another enodeB device (don't know the vendor) by an IPSec tunnel. It uses IKEv1 for negotiation of keys. there are 10 ACLs on the enodeB side and on Juniper SRX, I ...
4
votes
2
answers
2k
views
Does a domain's Glue Records get transferred when I transfer the domain to another registrar?
I have a domain, call it DOMAIN.NET, which is an Internet service provider. DOMAIN.NET has Glue Records that I put in via the existing registrar, which enable the client domains like FOO.COM, BAR.COM, ...
0
votes
1
answer
206
views
Adding glue records to my registrar
I have a country specific domain (let say example.me) and when I try to add my own nameserver (ns1.example.me & ns2.example.me) at my country registrar it didn't worked because I only have 1 IPv4 ...
0
votes
1
answer
678
views
How to change Linode IP to open different website?
I have a LINODE 512 account (Ubuntu 10.04 LTS) where I have got 1 IP. Using /etc/apache2/sites-available (enabled) I have hosted 4 websites, which is working very well.
But the IP address I have got ...
1
vote
1
answer
167
views
Is a 650W PSU enough for 4x 7k HDDs 2x CPUs and a monster AMD Radeon HD 5990 [closed]
I bought a supermicro chassis a few years ago with a 650W PSU for a personal lab I built. Everything has been just fine so far, but now that I'm looking into some GPU based work, I'm finding that I ...
2
votes
1
answer
238
views
at what level modprobe operates ? - linux
I have a machine with Ubuntu 12.04 64 bit, i have the need for blacklisting a module, i have blacklisted it in blacklist.conf but nothing happened; i have solved my problem passing modprobe.blacklist=&...
0
votes
1
answer
64
views
DNS error with sbs2003 migration to 2011
I have been getting that message Your Local server is not in the name server records and it is not going away. I have followed the suggestions from this. Other suggestions are also same as his anyway. ...
1
vote
1
answer
191
views
crontab runs only 2nd line
I have /etc/cron.d/remote-server-backup as follows:
***starts***
MAILTO="[email protected]"
23 1,7,13,19 * * * root /usr/local/bin/backup-server nzs1.automatem.co
43 2,8,14,20 * * * root /usr/local/...
1
vote
0
answers
229
views
SQL Server 2005 on Windows 7 along with SQL Server 2008 R2 Express Edition
I've installed SQL Server 2008 R2 Express Edition in my Win 7 notebook. The Express Edition doesn't have SQL Profiler enabled. Thus it's hard for me to debug my SQL 2005 applications.
I have a ...
7
votes
4
answers
2k
views
Running Rails3 with force_ssl = true, with nginx, on AWS EC2 with SSL terminated by an ELB, setting up health check
I want to run my entire Rails app with SSL, so I thought to use Rails' global force_ssl config option, which works great, except that the ELB's healthchecker will never work because if I set it to ...
0
votes
4
answers
8k
views
How to get a different network's segment IP and MAC in Windows
My network segment is 192.168.0.*, the target network segment is 192.168.1.*, and I can ping it.
I want to get the target's (e.g., 192.168.1.132's) MAC address in my program (C# or VC).
I know I ...
0
votes
1
answer
2k
views
How can I move mail from one server to another? [closed]
I currently host mail accounts on a VPS, which I want to move to a hosted CPanel account.
Mail is handled by Postfix and Dovecot, but I don't know much about the server I want to move the mail to.
...
1
vote
1
answer
125
views
Other ways of implementing Crashplan on a LAMP setup [closed]
I've got a LAMP setup running Ubuntu 12.04 server and I'd like to integrate it with CrashPlan that I use on all my other mac xserves that I'm running. The problem is that it has to run a gui ...
1
vote
2
answers
2k
views
Can I attach iSCSI to VMware ESXi without licensing?
I have multiple ESXi hosts, managed individually because I have yet to buy licensing. Can I tie my iSCSI SAN to these hosts and utilize it for VM storage and run VM's on that iSCSI device?
13
votes
8
answers
18k
views
make a cronjob wait for previous rsync job to finish
I'm using rsync to backup some data from one server to another. All works fine, but it might take longer to finish depending on how much data there is to transfer.
Is there any gauranteed way to ...
1
vote
1
answer
332
views
Match files which are not in a specific directory
I have the following rule in my nginx config:
location ~* .(js|css|png|jpg|jpeg|gif|ico|xml|swf|flv|eot|ttf|woff|pdf|xls|htc)$ {
which matches some images and other resources. However I want to ...
2
votes
6
answers
51k
views
apache won't start httpd service start centos 6.3
I've installed httpd in CentOS 6.3
yum install httpd
After successfully installing it, I tried to start it
service httpd start
Nothing happend. I opened the browser and typed my IP address but ...
1
vote
1
answer
3k
views
Log and analyze web traffic passing through SSH SOCKS proxy
I've got a cheap VPS running Ubuntu 12.04 that I sometimes proxy web traffic through via SSH when I don't trust the network I'm on. I'd like to have a closer look at some of that traffic on occasion. ...
1
vote
3
answers
338
views
How does aptitude determine what version of a package/application to install? i.e. Apache 2.2 vs 2.4
So I wasted several days dealing with a lame Apache2 bug that was fixed in Februry 2012. I couldn't figure out why I was experiencing the bug still until I discovered my version Apache2 was a 2.2.x ...
0
votes
1
answer
326
views
apache2 incomprehensible https redirect
I've got a question about apache2 and Virtualhosts.
I declared some in my /apache2/sites-available/ownsites
in order to get access via different domains and subdomains, for example:
<VirtualHost ...
1
vote
1
answer
1k
views
Puppet syntax for iptables output chain redirection
Using the iptables puppet module what syntax to I need to allow port redirection from port 443 to 8443 on the local host?
It looks like it should be the syntax should be the following but I'm not ...
3
votes
1
answer
8k
views
Search an LDAP tree with a wildcard for a node level?
Given an LDAP tree (AD in my case), is there a way of searching with a wildcard at a specific level in the tree?
i.e. I'm wondering if there's an equivalent way of searching LDAP in the same way ...
5
votes
2
answers
8k
views
Can't Change message size limit in postfix?
postconf -d | grep message_size_limit
Shows:
message_size_limit = 10240000
This limit was not set in /etc/postfix/main.cf so I assume its a default?
I added message_size_limit = 31457280 to my /...
3
votes
2
answers
13k
views
How do I get Nginx to pass authentication on to IIS as a reverse proxy?
I have the following setup in my Nginx (1.2.6 on Windows 7) conf file:
location ~ ^/FOO/(.*)$ {
proxy_pass http://server_two:8888/FOO/$1;
}
On server_two I have IIS7 running a WCF service that ...
74
votes
2
answers
7k
views
How should an IT department choose a standard Linux distribution?
There is a lot of community feeling about what Linux distributions are appropriate for production server environments and which aren't, however, a lot of this feeling seems religiously based, and ...
2
votes
2
answers
2k
views
How can I (securely) get remote desktop back?
In order to make compliance with our PCI-DSS requirements, I was required to disable TLS 1.0 (apparently it has a flaw that was corrected in TLS 1.1 and higher). However, after doing so, remote ...
-1
votes
2
answers
112
views
Research in Motion UK Limited : "Recently reported spam source"? [closed]
I've come across several IPs that are marked as belonging to RIM/Blackberry but seem to be a source of spam/fake users to our sites, examples :
http://whatismyipaddress.com/ip/93.186.16.213
http://...
2
votes
2
answers
3k
views
Can't connect to Postgres in production
I'm trying to connect to my Postgres instance on a local IP, which I can connect to with no problem using the psql -h localhost command. However, which trying to run via rails, I get this:
$ rails c ...
-2
votes
1
answer
413
views
How to setup Load Balancing on DAS (Dell MD3220)
We have a Dell MD3220 attached through two 6Gb/s HBA controllers. We want to enable Load Balancing to improve performance. What at the requirements and steps?
-2
votes
1
answer
5k
views
Cannot ping Windows 2008 R2 by hostname
I cannot ping the Windows 2008 R2 server by hostname from Windows XP Home machines, but I can ping it from Windows 7 Ultimate machines. I already disabled ipv6. I need to access a shared folder: \...
3
votes
1
answer
130
views
When registering a domain, is it possible to designate primary and secondary nameservers by FQDN and IP?
I would like to buy a domain from a registrar and use my own nameservers (assume that they are already hosted,configured and listening on some static IPs in 2 datacenters) for the domain, without ...
1
vote
5
answers
2k
views
Best Practices for Open Relay Email Server
I have a scenario where I need to setup postfix with no TLS, no SMTP authentication, and open relay allowing from only one remote IP address.
Emails from this remote IP may have spoofed "from" address ...
2
votes
1
answer
2k
views
Overhead of many php-fpm processes on Linux?
I'm migrating the configuration of a webserver that runs PHP applications using PHP-FPM behind nginx. The server has about 40-50 (and growing) vhosts on it. The server is a single CPU VM with 1GB of ...
1
vote
1
answer
416
views
dell power edge t410 HDD not showing
i have purchased dell poweredge t410 in seconds
previously in that pc installed centos now i am trying to install win server 2008
after booting windows its showing no HardDisk is available.
how can ...
1
vote
1
answer
248
views
Physically isolated networks versus link aggregation + VLANs
When setting up internal cloud, the recommended best practice seems to be to isolate data traffic from management traffic by using separate L2 networks. For example, see the diagram in the OpenStack ...
1
vote
5
answers
16k
views
error messages when enabling /server-status on Centos with Apache version httpd-2.2.3-31
I enabled the following on httpd.conf:
ExtendedStatus On
LoadModule status_module modules/mod_status.so
and also:
NameVirtualHost *:80
<VirtualHost *:80>
ServerName myserver.com
...