CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat. CentOS aims to be 100% binary compatible with RedHat Enterprise Linux. CentOS mainly changes packages to remove upstream vendor branding and artwork.
0
votes
1answer
43 views
How much load can a VPS server with these specs handle? [closed]
Processor Info:
Memory:
OS: Cent OS
I have a third party API I will be using, that will be feeding millions of possible queries every 30 seconds - 1 minute to my VPS. The datasets to be sent will ...
0
votes
0answers
17 views
Windows Server 2008 Standard, firewall disabled by Group Policy but ports are still filtered
Hihi,
So vanilla install of WS2008R2S, disabled FW with GP and trying grab SNMP with another host on the same subnet. The output of both if/ipconfig's and nmap -p 161 is below. Both machines running ...
1
vote
1answer
23 views
Failed to run Squid on CentOS 5
I've install Squid by
yum install squid
and followed the instructions through this tips.
by the time I started Squid and it shows the error that
init_cache_dir /var/spool/squid... ...
1
vote
1answer
16 views
error: internal error process exited while connecting to monitor: Supported machines are:
I'm moving Ubuntu Server guest machines from an Ubuntu Server Host to a CentOS 6 Host machine. My intent is to keep the guests as Ubuntu Servers and just change the OS of the Host.
I've moved the ...
-1
votes
0answers
9 views
Trouble booting server from GRUB prompt [migrated]
I just installed CentOS 6.2 on my server but it keeps going to the GRUB prompt. I've never used Grub before but did some digging online. Looks like I have to run the kernel command before I can boot ...
1
vote
2answers
44 views
Installing PHP 5.2.17 Dependencies on Centos 5
I have followed the wget method here hoping it was my solution:
Howto install php 5.2.17 on centos 6 x86_64
However I get the following error when trying to install:
# rpm -ivh ...
3
votes
1answer
28 views
Running ipmitool as a non-root user
I want to monitor some hardware-related data on a headless CentOS6 server. More specifically, things like voltages, fan speeds, thermal data...
Since the server is headless, the best way I found to ...
1
vote
1answer
51 views
VLAN configuration in CentOS 5
I'm trying to configure VLANs on CentOS 5.
When I created the following /etc/sysconfig/network-scripts/ifcfg-vlan100 file the VLAN configuration is working:
VLAN=yes
...
1
vote
0answers
14 views
Install Old Version of PHP on Centos 6
I am trying to install php 5.2.17 on a CentoOS machine. Having problems as I have only used yum in the past. I have the file downloaded and unpacked...not clear on how I need to ./configure before ...
0
votes
1answer
26 views
Running dset on CentOS PowerEdge R710
I noticed our PowerEdge R710 server running CentOS 5.4 had a glowing orange monitor, so I checked the logs in the DRAC:
Mem ECC Warning: Memory sensor, transition to critical from less severe ( ...
0
votes
0answers
17 views
SpiderOak backup installation on SME Server (CentOS)
Can anyone help me with the installation of SpiderOak Backup on SME Server? I ahve followed the instructions posted on the SpiderOAK website ...
0
votes
0answers
20 views
Turn on FTP access for specific folders on a server
On a particular server which I have root ssh access to, I have multiple folders that map to different domains.
For example:
example.com
www
foo.com
www
bar.com
www
What I've noticed is ...
3
votes
3answers
41 views
Find MAC addresses in /proc or somewhere despite bonding device?
Is there a way to get the original MAC addresses for eth0 and eth1?
A large array of servers have bonding interfaces managing backup switch connections and one is misbehaving. With bond0 active both ...
0
votes
0answers
19 views
reference missing of pyOpenSSL in twisted
when i am trying to run punjab (BOSH connection manager) using following command
twistd -y punjab.tac
i am getting follwing error
in punjab.tac i am referencing
from twisted.internet import ...
0
votes
1answer
32 views
PyCURL couldn't resolve “cdrom:sr0” during CentOS 6.2 kickstart installation
I'm trying to install CentOS 6.2 by kickstart, and I'm using the stock minimal ISO and the auto-generated anaconda-ks.cfg. After the installation finished partition the hard drive, I get an error ...
1
vote
1answer
21 views
NginX & Plesk: 502
Having server with CentOS and Plesk.
Installed nginx right how it's discribed here: http://gudym.net/plesk-nginx.html
But now if i go to mysupermegasite.com I'm getting
502 Bad Gateway
nginx/0.8.55
...
1
vote
1answer
35 views
CentOS web files permissions for Apache and FTP
I have a CentOS VPS. The problem is my html files in /var/www/html seem to need to be owned by the apache user in order for some web applications to work (ie file uploads).
If they are owned by the ...
0
votes
2answers
17 views
Swap on Ubuntu and CentOS
I have two questions, which is both related to a swap partition or file.
Is it possible to install either Ubuntu or CentOS without a swap configured, without tinkering?
Live CDs like Ubuntu, is ...
0
votes
0answers
27 views
CentOs PPTP Server - DDWRT won't connect
I have a centos 5 pptp server. I can connect to it with no problem from iPhone , android, pc, Mac, etc.
However my ddwrt router won't connect to it. My ddwrt router connects fine to professional ...
0
votes
1answer
24 views
CentOS - semanage - Adding Custom Port Fails
I recently upgraded one of my application servers to CentOS 6(.2) and was getting it ready for production use when I can across the following issue; Whenever I try to add a custom http port by way of ...
-1
votes
1answer
24 views
Killall waiting for response
when I do a killall java there is no response...However the next time I press enter I get a response.
Is this normal? Its ruining my cron job as it doesnt mail the killall output.
Using Centos 6.
-1
votes
0answers
4 views
kloxo has not loaded after restarting server
I have install Kloxo on my CentOs VPS as master.
I set DNS Template and restart server,but Kloxo doesn't load.
server : 130.185.72.154:7778
where is the problem?
1
vote
0answers
47 views
Strange Inode/Ram cache drops happening in CentOS
I run a CentOS 5.7 machine (64bit) with 24GB ram and 4x SAS drives in RAID10 setup.
This machine runs nginx/1.0.10, php-fpm & xcache. About a month back the RAM usage of this machine has changed.
...
0
votes
2answers
42 views
Always get a 403 Forbidden error
I'm getting a 403 Forbidden error on my client's server (which somebody else set up). I'm using Apache on CentOS. Since somebody else set up the server, and since the server is CentOS and not the ...
0
votes
2answers
52 views
Can't start remote GUI programs on CentOS 6
I have set ForwardX11 yes in /etc/ssh/ssh_config which normally enables me to open GUI programs on CentOS5 by ssh -X server
But doing the same on CentOS6 I get
# firefox -no-remote
Error: no display ...
1
vote
1answer
39 views
How can I find the hostname of a machine I can FTP into?
I'm able to FTP into a site at $job on an IP that I'm expecting to be a different machine. It appears to be a server that a previous sys admin setup without documenting anything about it. Since I'm ...
0
votes
0answers
15 views
how to get clipbpard share on a non-X CentOS VirtualBox guest
I have a CentOS guest on my archlinux system.
In the VM I have installed:
VirtualBox guest additions
GPM
cut and paste does work with VMs that have X and with Windows VMs.
Is it just not ...
3
votes
4answers
324 views
Blocked IP in iptables but still seeing it in apache logs
I'm running a Centos 6.0 server, with Apache 2/MySQL. I've got iptables running. I followed these steps tonight to block all traffic from an IP using iptables:
iptables -A INPUT -s xxx.xxx.xxx.xxx -j ...
2
votes
1answer
61 views
CentOS VM Cannot Start sshd
First let me open with honesty, I am not a sysadmin, we are between them at the moment with our new one due to start in a few weeks.
We have been running multiple CentOS VMs on a CentOS host for some ...
1
vote
1answer
28 views
How do I change Dovecot virtual user passwords?
I used one web based control panel to create some virtual users for Dovecot. That control panel no longer works so I need to do this manually.
I need to reset the password for one (virtual) user ...
1
vote
1answer
34 views
find user's email transaction history in CentOs?
is it possible, like in title, to find a particular user's email transaction history in CentOs? Tried /var/log/maillog but doesn't seems like it....
3
votes
1answer
75 views
where are the default ulimit values set? (linux, centos)
I have two CentOS (5) servers with nearly identical specs. When I login and do:
ulimit -u
on one machine, I get
unlimited
and on the other,
77824
When I run a cron like
* * * * * ulimit ...
1
vote
4answers
53 views
Cancel shell command line recall
Pressing arrow key up will recall the command you have used before in shell.
But what would you do if you on half way navigate through the history of your commands and you decide you want to type new ...
1
vote
3answers
59 views
Setting up GIT on CentOS server
I'm trying to set up GIT on my home CentOS 6.2 server (I already have LAMP running on it).
The only access that will be made to it is from the local network - or to be more precise, from my laptop ...
0
votes
1answer
41 views
Monitor network traffic over CentOS router
I have a CentOS 5.7 box configured as a router. Two network cards are attached to this machine, one connected to the Internet and one connected to an unmanaged network switch.
The question is, how ...
0
votes
1answer
28 views
How to store all outgoing mails from postfix in DB (MYSQL)
I have a postfix setup for my web server and I want to store every outgoing email from the server to a database. Does any one know how I can achieve this. FYI I just use this server to send emails and ...
2
votes
2answers
25 views
Remove All Repositories - CentOS (Can't Download Normal Stuff Anymore)
Any time I do yum install ___, what used to be normally accessible is no longer so.
I think it is because of an installed repository causing the issue.
How do I remove all repositories?
2
votes
2answers
31 views
Installing/Configuring PHP to work with tomcat5 and mysql on CentOS
I need to install php on a CentOS machine and configure it to work with tomcat5 and mysql
Anyone know how i can do this?
the home folder for tomcat and mysql is
/usr/share/tomcat5
/usr/share/mysql
...
0
votes
0answers
28 views
Server is crashing - kernel panic - screenshot
Can anyone decipher whats going on in this screenshot : http://i.imgur.com/pJ8FV.jpg
My server keeps going down, my host rebooted it and took a photo of the monitor for me
Server config:
AMD 945 x4
...
-3
votes
2answers
57 views
what is the default username / password of telnet?
I have installed Telnet server on my CentOs Server.
and set disable = noa in xinted.d folder and reset xinted.
so telnet is started.
When I telnet to server,it will get login and password but I ...
1
vote
1answer
36 views
How to filter some protocols on all ports
Under CentOS, how can I filter traffic by protocol rather than by port?
For example, I would like to filter ftp traffic regardless of the port being used in order to prevent users on the network from ...
1
vote
1answer
61 views
Why does iptables output to /dev/console?
For some reason I see the output from this iptables rule
$IPT -A FORWARD --jump LOG
$IPT -A FORWARD --jump ACCEPT
on the console eventhough I have disabled kern in /etc/syslog.conf
#kern.* ...
-1
votes
1answer
29 views
configure outgoing header for zimbra
I'm using a Zimbra Mail server installed on CentOS.
Which file should I configure for outgoing header to insert my company name and address so our sent emails will not be treated as a spam?
Thanks.
1
vote
5answers
62 views
reverting file owner on CentOS
By mistake I ran a stupid command with a typo in it.
I created a user "teamspeak" and I wanted to change file owner of current directory and it's sub directories, but by mistake I ran it in the "/".
...
1
vote
4answers
74 views
CentOS Hot Backup
We have dedicated CentOS machine running a customer management service, in a few days development will cease and we would like to take a complete backup of the hard-disks. The server has 2 500GB ...
2
votes
1answer
25 views
Cannot find command after reboot even though chmod +x was successful?
Dealing with a weird problem on CentOS trying to add the Play! framework to my path. Just earlier I successfully did a chmod +x play on Play! and I could run commands.
Then I rebooted and it ...
2
votes
1answer
37 views
gpg key and what is it for? GPG key retrieval failed error
What is a gpg key and why do i need it?
I get this nagging error when i install a fresh centos vps machine:
GPG key retrieval failed: [Errno 5] OSError: [Errno 2] No such file or directory: ...
1
vote
1answer
42 views
Need help upgrading curl on CentOS 6
I have a CentOS 6 server that has curl version 7.19.7. For some reason that doesn't support NTLM authentication. I have found this thread on redhat's site: ...
1
vote
2answers
40 views
How can I tell what rpms are managed outside of yum?
I am inheriting a Centos 5 box and I'd like to get an idea of what rpms have been installed outside of yum.
Bonus: How can I audit that RPMs installed with yum to make sure that they are not ...
0
votes
1answer
49 views
kblockd and kjournald high cpu
I have a server that has 5 GB Ram and 3k MHz quad core CPU. It runs CENTOS 5 and usually worked ok. For a month or so I've been having problems with it, the load average raises above 4 and parts of it ...
