R 32 Bit Systems Can Not Read More Than 4 Gb Ram?

Aug 28, 2008

r 32 bit systems can not read more than 4 gb ram ??

r any thing in kernel to do fix it

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Best VPS Management Systems

Oct 15, 2009

I'd like to know your opinions about various VPS management systems.

What is the best VPS management system?

1. Virtuozzo

2. VDSmanager

3. HyperVM

4. SolusVM

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Small UPS Systems

Apr 29, 2007

We are currently building out our new server room and are currently unsure which UPS system to purchase.

Does any one have any experience with either the APC Symmetra LX or Liebert Nfinity systems? We require ~8kva. Both units appear to be very similar in specs and both allow expandability.

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CardKey Systems

Jan 4, 2007

We have an older CardKey system in place here and are looking to do some updates. Anyone know of distributors of Pegasus software to manage the systems? Dealing with Johnson directly has been a huge pain and they are never around when you need them. I am in the Dallas area just looking for contacts on managing the systems.

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Backorder Systems

Apr 14, 2007

i know maybe it is wrong for this topic to be here, but i am going to focus on my question in technically .

my question is " how backorder systems work? " .

i dont want description of them, i know they check the domain over and over and register it as soon as be available.

what i mean is what system they do to check the availability of domain better ? public whois database's are caching and not return the realtime result.

so what they do ? do they contact directly to internic whois servers ? or they use "whois" linux command?

anybody know what they do to get realtime domain check?

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Spam From Peekay-systems.com

Jan 23, 2009

I got a spam email from this provider. I never sign up with their mailing list and didn't know this provider at all.

Anyone else got this?

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Using (NFS) Network File Systems

May 23, 2009

I sharing File system using NFS between 2 mailservers running postfix on CentOS 5.2.The mail servers shares the base mail directory of virtual users e.g. /home/vmail.

It appears to run fine since last couple of months,just requires feedback if anybody already tried sharing mail directories between 2 or more mail servers.

Or is there any alternate solution for sharing data between servers?

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Xen And 64bit Operating Systems

Jun 1, 2009

I tried installing CentOS 64bit using windows image and vnc that comes with HyperVM and it says (your cpu does not support long mode. use a 32 bit distribution), and if I try to install Windows Server 2008 I get blue screen with a stop and error.

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Want To Change Email Systems

Feb 20, 2007

I have had enough of email problems that constantly happen on a server. For about three weeks now I have been dealing with email issues that I am going out of my mind. Does anyone have a suggestion as to a email scheme that will work. Here is what I would like to do. Disable Exim COMPLETELY. Either setup a server for email only or find a email solution. Email will be pointed ONLY by way of DNS.Once I get email fixed on this box it works for a day and next thing you know it's all messed up again. Somehow etc/localdomains and etc/remotedomains either vanish or get over written plus a bunch of other things including permissions.All I know is this is getting ridiculous.I don't want any sort of email system on this box. I want all my email to go though DNS only to another server. We already have on service that we use for Exchange, so all the MX Records point to that server, but email still has to interact with this server first, which I don't want it to.

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Cache Systems For Apache In Windows

Mar 27, 2009

I have a fair ammount of load on the server, and I want to cache as much as possible to reduce disk IO. The harddrive is a major bottleneck for performance. The server serve a lot of files larger than 10MB, so I want to cache as much of the files below 10mb as possible.

First off I want to cache around 200k thumbnail files, where around 1000 new gets added every day.

Secondly it would be preferred to cache dynamic files in a way that the file timestamp is checked at a regular interval, and then read again if timestamp has changed.

Is there any free solutions on windows with apache for this?

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File Systems Supported On CentOS?

Oct 31, 2008

Does CentOS support following File Systems?XFS, IBM JFS, NTFS

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HA Building High Availability Systems?

Aug 1, 2008

has anyone had experience in building high availability systems?

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Monitoring Systems (Email Pagers?)

Jul 25, 2007

how you guys monitor your websites and how you are alerted to it going down?

I have a backup VPS which will monitor my main site, with DNSMadeEasy IP failover to the backup server. But I would like to know it just went down!

I have googled and cant find an email to pager system, so I am hoping there is a email to SMS system?

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Online School Management Systems

Aug 8, 2007

idea of online school management systems that involve registration,parent panel,student panel,administration panel and other necessary information that are meant to be included.

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Millennium Data Systems' Dedicated Servers

Jun 20, 2008

to ask about this offer (millenniumdata dot com/BUSINESS/Business-Default.asp?include=Business-Dedicated-Servers.asp) I found. They have live chat support so i talked with someone and what he did say me is: servers come with Fedora and whole LAMP environment installed, you can SSH to the server, and install VNC, you have full ADMIN rights to install anything you wish, servers are not managed (he said that they are Managed in the sense that they are monitoring PING POWER and PIPE), they can Re-image to default for free, no setup fee, month to month payment.

I didn't use any dedicated server, I only used shared hosting. What I planed is to move my OpenX (former names OpenAds and phpAdsNew) installation to this server for now to see who is that working. I think that server is capable to run it, since it is currently run on shared hosting.

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Rackable Systems Portable Data Center

Mar 27, 2007

Thought this was pretty interesting...


Do guys think this will be a popular item? Will it canibalize small (maybe even larger) colocation/data center sales?

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To Read Ftp Log

Mar 6, 2008

We have been working on a site for a while, couple of days ago I copied the source from the server - as there are few people making the changes to it - to get a fresh copy.

Yesterday I was blasted by my client that I have deleted files on the server and it had caused the site to go in disarray and they had to upload everything again.

I didn't delete anything, only copied, and after some arguments (naturally I am not happy with the allegation put on me) I was able to get the FTP log, but I don't really know how to read it, I am hoping that someone here would know and be able to assist:

HTML4Strict Code:
Tue Mar 04 16:49:29 2008 0 xx.xx.xx.xx 9365 /home/APP_NAME/public_html/user/add_room.php a _ i r xxxx ftp 1 * cTue Mar 04 18:20:02 2008 0 xx.xx.xx.xx 3909 /home/APP_NAME/public_html/About.php a _ o r xxxx ftp 1 * cTue Mar 04 18:20:04 2008 0 xx.xx.xx.xx 6046 /home/APP_NAME/public_html/affiliate-join.html a _ o r xxxx ftp 1 * cTue Mar 04 18:20:08 2008 0 xx.xx.xx.xx 6158 /home/APP_NAME/public_html/affiliate-join.php a _ o r xxxx ftp 1 * c

I have replaced the IP, application name with x.

I am guessing that *c means copy, but I don't want to make fool of myself when I confront them with this. Assuming that *c is copy what would be the command for delete?

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Read Only Errors

May 21, 2009

root@server [/backup/cpbackup/daily]# chmod 1777 /tmp
chmod: changing permissions of `/tmp': Read-only file system

root@server [/backup/cpbackup/daily]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 271G 135G 123G 53% /
/dev/sda1 99M 58M 36M 62% /boot
none 2.0G 0 2.0G 0% /dev/shm
/dev/sdb1 135G 80G 49G 63% /backup
/usr/tmpDSK 4.9G 64M 4.5G 2% /tmp
/tmp 4.9G 64M 4.5G 2% /var/tmp ....

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Mod_mime_magic: Can't Read

Oct 27, 2009

Does anyone know what this error means in my error_log:

[Tue Oct 27 14:00:17 2009] [error] [client] mod_mime_magic: can't read `/var/www/vhosts/domain.com/subdomains/bugzilla/httpdocs/report.cgi', referer: [url]

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Htaccess Not Being Read

Apr 1, 2008

I just hired my first dedicated server and I don't get why but it is like if it is not reading my htaccess files for mod_rewrite.

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Read Only Filesystem

Feb 26, 2008

I have a server with pacificrack. When I see my website it says "Read-Only File system" and my SSH dies with read-only file system errors.

It happens once per month, and the bad thing is I'm sleeping when it happens so I don't know my server is in this state.

Even though support fixes the problem within 15minutes of my support ticket, my server is down for hours because I don't know its down to then raise a ticket. I asked support why it happens and they never tell me... just tell me to read the logs but I'm not technical enough to understand linux logs etc.

Server is centos.

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Read The Cpanel Log

Oct 22, 2007

I received email from my cpanel server as follow:

IMPORTANT: Do not ignore this email.

This is cPanel stats runner on server.domain.com! While processing the log files for user xxxx, the cpu has been maxed out for more than a 6 hour period. The current load/uptime line on the server at the time of this email is 18:46:25 up 59 days, 13:16, 0 users, load average: 2.24, 2.23, 2.25

You should check the server to see why the load is so high and take
steps to lower the load. If you want stats to continue to run even with a high load

So what does this mean? and how can i check out this? how to reduce the cpu usage? Where to see the current usage?

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Filesystem Became Read-only

Jun 4, 2007

Somehow the filesystem on my server turned read-only. The databases would not connect. When I rebooted the box it would not come up.

Support had to run FSCK. Even after, the databases had to be repaired using the CPanel tool. Things seem to be ok now, however:

1. What could have caused this to happen? Software or hardware failure?

2. I get these notifications, should I be worried?

WARNING: Kernel Errors Present
EXT3-fs error (device sda2): e...: 1 Time(s)

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What Happens If You Forget To Read TOS

May 17, 2007

About a month ago, I searched desperately for days to host my social networking site and file hosting site. Thankfully I found Wiredtree(WT) to be suitable for my budget. I signed with them with their entry plan of $44.10 and was happy with their service. The customer support was extremely helpful and they did everything to make my life better.

Nevertheless my project didn't turn up as expected and I decided to close the hosting.

Just a day before the end of one month of hosting, I wrote to them asking to close the account and also congratulating their service I also told them I would look forward to host with them in future and would recommend them. I expected a warm termination without any hassle. But i got a mail quoting their TOS (which says I should inform them 7 days in advance) and asking me to pay up another month's hosting fee before I can close the account. Along with it was a note from the staff to use the client portal to contact Billing Department directly to close the account (hmmm would they ask me to contact sales department directly if I tell me I want to add new server?). What hurt me was not the extra $44.10 which I will pay them anyway, but what they could have done was to understand my genuine case(first time customer). Tell me, how many of us read the TOS really. I requested them not to charge me, but got same cold response asking me to adhere to the TOS.

On the other hand my experience with other host (PM me if you want to know who) was one of awe and amazement. I wrote asking them the price I should pay to have more bandwidth. To my surprise I got extra bandwidth absolutely free though it wasn't mentioned such things in their TOS.

Well I learned a lesson today not to forget the importance of TOS and i am sure new webmasters will find this post useful.

This thread is not against the WT service. But a warning to new webmasters who might miss the fine print.

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Read Emails

Aug 18, 2007

I got 2 questions:

Are deleted emails kept on the server?

2nd, how do I view deleted emails from different accounts?

I have root access to my box so I can use SSH etc to get in...

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Read-only System 3rd Time

Jun 11, 2009

I have brand new server with CentOS 5.3 and latest CentOS kernel (2.6.18-128.1.10.el5PAE).

I have brand new HDDs with no errors (HDDs have only 1000 power-on-hours, server CPU temperature is normal - between 35-42 C). My server went read-only without any reason. I need to fsck main / partition (/home is separated) and it cleaned journal, then server became online.

After 2 weeks it happens again - I did again fsck on / partition and it recovered journal as before. I decided to ask Data Center to replace RAID-1 card and memory - they did it. After 3 weeks server went read-only again.

I ssh into server and saw that kswapd0 process is using 100% cpu and load is over 170.

After fsck it recovered journal on / and server is again available.

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Server Became Read Only System

Mar 29, 2009

I had a linux server (CentOs 5, mysql5, php5, directadmin). I had problems with apache few days ago, that's why i hire sys. admin who tweak the system (install the PAE kernel), and some more configurations, and during last 7-8 days server work w/o any downtime (before this server had 1-2 downtimes per day-> OOM killer.)

Now i had only ssh access (emails, directadmin access - give "wrong password" answer). As told my sys.admin It became read only system.

I cann't even reboot system


[root@server sa]# reboot
reboot: /usr/local/lib/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2)

such few commands work, the most commands that i know don't work


[root@server ~]# ls -la
ls: error while loading shared libraries: libacl.so.1: cannot open shared object file: No such file or directory

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Warning: Hostvector.com READ HERE

Dec 11, 2008

I just thought I would riase an issue you with you about the following host:

The reason:

I have received a number of e-mails over the last 2weeks that look like they are from my bank asking me to log-in and update my security information. I no my bank doe's not ever do this so I contacted them. When sending on the mail to them, they where able to trace the e-mail and it took them back to the address listed above using the e-mail account psychic@sabre.hostvector.com.

So before you hand over your bank account details to them I highly recommend that think twice.

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Unable To Read Data

May 20, 2007

i have a dedicated server with cpanel and when trying to addd any accounts i get the message dns zone already exists but when i go to edit a dns zone to check i am getting the message below

Unable to read data from /dev/urandom (No such file or directory).

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