CentOS stands for Community ENTerprise Operating System, the most popular Linux distribution for web servers with almost 30% of all servers using it. Third-party software is not included in the base.

learn more… | top users | synonyms

0
votes
0answers
17 views

Desktop not starting after Centos upgrade

I upgraded a server from centos 6.5 (with gnome2) to 7 using the update manager. The problem is that I am not able to see the login screen or the desktop. However the mouse pointer is visible. I ...
0
votes
0answers
7 views

After adding FORWARD NAT rules, cannot connect system eth0

I was trying to make bridge connection between wlan and eth on Centos.. I made Forward and NAT rules and then something wrong with System eth0 connection. It does not connect anymore.. Could you ...
0
votes
0answers
18 views

Load CentOS in RAM memory

I know there are many distros out there that boot linux into RAM memory, one such is Puppy Linux. However, I have CentOS 6 and I don't want to download puppy Linux or any other distros. My goal is to ...
0
votes
0answers
6 views

how to read file from different directory through jsp in centos

i am on centos 6 and created a jsp project on the directory /root/NetBeans/MyProject/ and my jsp page is on /root/NetBeans/MyProject/web/mypage.jsp My problem is that i want to access a sound file ...
0
votes
0answers
25 views

Samba CentOS 6.5 cannot connect to the shared folder

The problem is that I added samba user 'root' via 'smbpasswd -a root'. Then I edited '/etc/samba/smb.conf' and added there: [shared_folder] valid users = root public = no path = /tmp printable = no ...
1
vote
1answer
2k views

MySQL ERROR 2002 (HY000) on CentOS 5

I have problem with starting up mysql. When I type service mysql start All I got is ERROR 2002 (HY000): Can't connect to local MySQL server through socket /var/lib/mysql/mysql.sock' (2)** ...
0
votes
1answer
2k views

Installing Zend on CentOS is having dependency issues

I'm trying to install PHP's Zend Server on my CentOS VPS but it's having dependency issues that I can't seem to resolve. zend-server-php-5.2-4.0-73.noarch from Zend_noarch has depsolving problems ...
0
votes
0answers
9 views

CentOS 7 minimal install can't detect ethernet

I recently installed CentOS 7 on my desktop computer and decided on the minimal install. It couldn't find a network device in the installation process, but I went ahead and installed it anyway. ...
1
vote
3answers
1k views

Maximum Number Of Files CentOS Can Handle In One Directory?

I wrote a horribly quick and dirty caching system for a video search website that gzips and caches bing search results inside a hidden "/cache/" directory. Everything was going smoothly for the first ...
0
votes
0answers
48 views

How to configre network card on centos?

I have a fresh install of Centos on a machine with two NICs, one built-in and another one installed in PCI slot. However in the network settings I get one shown as wired connection picking up IP from ...
5
votes
3answers
9k views

how to stop cp: overwrite './xxx' ? prompt

How can I stop the cp command from prompting to overwrite. I want to overwrite all the files with out having to keep going back to the terminal. As these are large files and take some time to ...
2
votes
1answer
111 views

Limit a user to VI and Tail

I'm running a server on centos 6.0 and I'm looking for a way to limit ssh access of one user to only tail and vi and only in their home folder. I found some guidelines to the home folder part but ...
0
votes
0answers
22 views

Split & burn ISO of more than 20 gb to multiple DVDs

I have customized a CentOS distro with custom packages but now I have issues related to its distribution since its size is around 24GB! i.e.: I want to split my large ISO in multiple small ISOs so ...
0
votes
0answers
14 views

Barnyard - Database Warning

I installed snort and barnyard. When I start snort and barnyard services, barnyard could read snort.log file but it doesn't write to mysql database. So I run tail -100 /var/log/messages and I ...
0
votes
1answer
523 views

CentOS 6.3 x86_64, 3.3GB memory available, 4GB memory installed

I've searched serverfault and found this question: Linux x86_64 reports 3.2G of memory instead of 4G But my problem is slightly different from that one. I've checked my BIOS. I didn't find the Memory ...
0
votes
1answer
27 views

How to ping by hostname on CentOS

I have 2 PCs running CentOS 7 and they're both connected to a wireless repeater/AP. I have statically set both the IP addresses of the 2 PCs, and they are able to ping each other via IP. I have also ...
1
vote
2answers
13 views

Windows VM is resetting file permissions on CentOS host

I have a CentOS host machine with a Windows 7 virtual machine in VMware. There is a shared drive on the host machine (NFS share with other machines on the network) which has been configured with ACLs ...
0
votes
0answers
47 views

CentOS 7 Guest in VMWare Workstation and sound

I remember that there was a tweak that made the combination "CentOS 6 + VMWare WS 10 + audio" working. Alas, I can't quite recall it. I am now working with CentOS 7 + VMWare WS 10 and out of the box, ...
0
votes
2answers
4k views

vmware player won't run on CentOS due to missing /dev/vmmon, what could be the problem?

So I've tried installing vmware player 3.1.4 and 3.1.3 and both times had the same problem, when I try to load a VM I get the error "Could not open /dev/vmmon". When I ls /dev/ I can see there is no ...
1
vote
4answers
4k views

CentOS installing jre/jdk error

[root@jony source]# sh run.sh Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not create the Java Virtual Machine. Error: A fatal exception has ...
3
votes
2answers
2k views

Opening firefox in a centos linux terminal

I am trying to run Firefox from the terminal on a server using a centos operating system. Whenever I type in the command: ssh - X hostname firefox I can get firefox to successfully open, but I ...
0
votes
0answers
32 views

Snort unified log - empty file

I installed snort and configured snort.conf file. Snort is catching packets but not logging. =============================================================================== Memory usage summary: ...
66
votes
3answers
7k views

My PC is not a phone - how do I remove the swipey pre-log in screen from Gnome 3?

I'm currently running centos 7 (the server with gui config) on a VM. I'd like to keep the log in screen, but the 'phone' style pre-login lock screen that requires a swipe to access the main login ...
0
votes
1answer
379 views

How to mount a iSCSI/SAN storage drive to a stable device name (one that can't change on re-connect)?

We need stable device paths for our Twinstrata SAN drives. Many guides for setting up iSCSI connectors simply say to use a device path like /dev/sda or /dev/sdb. This is far from correct, I doubt ...
0
votes
0answers
20 views

Centos 7 poor download speed from internet

I'm currently in the process of setting up a home server using centos 7, everything is working perfectly except downloading from outside my network (ie yum updates, wget, speed test). Internally i ...
0
votes
1answer
200 views

Alt-gr not working in VirtualBox

I just installed the hortonworks sandbox on VirtualBox 4.3. Being used to azerty keyboards, I changed the file /etc/sysconfig/keyboard like this : KEYTABLE="fr" MODEL="pc105+inet" LAYOUT="fr" ...
0
votes
2answers
3k views

How to disable text overwrite mode in Netbeans (CentOS)?

Everytime I type some text, it is overwriting what I have typed. I assume that the mode is set to overwriting, I want to insert the text not overwrite it, but I can't disable it because my insert ...
0
votes
0answers
9 views

I wanna load CentOS 6.4 kernel of machine 1 in machine 2 on vmware. I receive “UNABLE TO GATHER EFI DATA”. How is it that users give /boot/? [closed]

It is about using kexec and load new kernel. How is it that users give /boot/ address instead of address of new boot (like /boot2) directory? I don't want to reload the old kernel. Thanks!
1
vote
1answer
3k views

Setting up a second monitor in CentOS

I have CentOS installed on my laptop. I hooked up my TV via VGA and it works, just not as I'd like it to. The left side (on the TV) is cut off, like the image is justified too far left. I want it to ...
0
votes
0answers
23 views

Barnyard Service - MySQL Error

I installed barnyard2 and saved as a service. When I run service barnyard2 start, Barnyard2 is failed. After I run tail -100 /var/log/messages and I encounter a fault like this. ERROR database: ...
0
votes
1answer
27 views

Ansible on CentOS 6.5 throws OSError: [Errno 2] No such file or directory

My Ansible install on CentOS 6.5 throws OSError: [Errno 2] No such file or directory [batandwa@localhost ansible]$ ansible-playbook -i hosts main.yml -v [WARNING]: The version of gmp you have ...
0
votes
1answer
24 views

What is the best way to create RAID 1?

I'm looking for a way to create the RAID 1 array without losing my data on CentOS. Here's my situation: I've got a web server running on CentOS. There is one VG partition with few LV volumes. I bought ...
0
votes
0answers
34 views

Can't start mariadb in centos 7

in the systemctl status it shows: systemctl status mariadb.service mariadb.service - MariaDB database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled) Active: failed ...
0
votes
0answers
16 views

USB headset doesn't connect automatically when plugged-in in CentOS 6.5

The USB headsets are not automatically selected when plugged-out and back in, it must be manually done each time. So far, I have tried to modify /etc/pulse/default.pa to include a module I have ...
0
votes
1answer
22 views

Software installation script says “loopback not defined in ifconfig”

I'm trying to install a software by IBM in CentOS 7 and the installation script does a few environment checkings to make sure everything is working. The script is saying that "loopback not defined in ...
1
vote
3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
0
votes
0answers
31 views

CentOS on Docker: How to install doc files?

I’m trying to install the Kolab groupware in a Docker container based on CentOS 6.5. At first glance, the installation of the official packages seemed to work without problems. But afterwards, when I ...
3
votes
2answers
3k views

Which binary clang version I should use for CentOS

Based on http://llvm.org/releases/download.html Clang Binaries for FreeBSD9/x86_64 (69M)(.sig) Clang Binaries for Ubuntu-12.04/x86 (67M)(.sig) Clang Binaries for Ubuntu-12.04/x86_64 (71M)(.sig) ...
-1
votes
1answer
18 views

Xen reports that “Host does not support virtualization type 'hvm'”

[root@www www]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Pentium(R) Dual-Core CPU E5500 @ 2.80GHz stepping : 10 cpu MHz ...
3
votes
2answers
361 views

sshfs is failing with “remote host has disconnected”

I'm running sshfs with the following: sshfs basicuser@192.168.1.111:/var/www/myapp /home/basicuser/code -o sftp_server="/usr/bin/sudo /usr/libexec/openssh/sftp-server" I have also created RSA keys ...
0
votes
2answers
23 views

Install devtools on CentOS without root permission

I would like to install devtools on a cluster that runs CentOS 5.4 (to get a higher version of gcc than the default one. I need gcc>4.7 to use some C++11 features) However I don't have root ...
0
votes
1answer
26 views

yum remove only single rpm file instead of all packages related to it

My environment: CentOS 7.0 Keep a rpm list by: rpm -qa > before.list Try libreoffice-calc. (112M bytes) yum install -y libreoffice-calc Think it is useless, I want to remove it. I found yum ...
0
votes
0answers
56 views

Can't install MySQL in CentOS 6.5

When I try to install MySQL in CentOS 6.5 it gives me this error: Error: Multilib version problems found. This often means that the root cause is something else and multilib version checking is ...
1
vote
3answers
3k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
0
votes
0answers
24 views

Install old version php on Centos

I have troubles with php + mongodb After redeploying project, php throw 500 because "Can't canonicalize query: BadValue $in needs an array" (https://jira.mongodb.org/browse/PHP-1051) I install same ...
0
votes
1answer
2k views

Virtual Machine with Bridged Adapter to Centos not accepting ssh from host machine

I have a bridged connection on VirtualBox from os/x 10.8.5 host to Centos 5.8 client. But I suspect this is more of a general issue than specific to the host and precise version of linux. Shown ...
1
vote
2answers
6k views

Version `GLIBCXX_3.4.15' not found in CentOS (in file /usr/lib/libstdc++.so.6)

I try to use a program and I get the following error. /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found Under /usr/lib64 the libstdc++ I see is libstdc++.so.6.0.13 (and a soft link). ...
0
votes
1answer
21 views

Is it possible to install Ubuntu from within CentOS 7 VPS?

My VPS hosting provider's panel is bugged, and I'm stuck with CentOS 7, can't re-image to another linux distro (contacting support hasn't been successful, they tell me it's fixed and close my ticket, ...
7
votes
4answers
31k views

Where Linux places the messages of boot?

I want to find place to where Linux writes all boot messages. You know: facility one [STARTED] facility two [STARTED] facility three [FAILED] I searched with find . -print0 | xargs -0 grep ...
1
vote
1answer
61 views

Setup PHP from source and mod_fgcid on CentOS 6, getting permission denied

I have compiled PHP from source and installed it to /opt/php/5.5.15/ I have also installed (with yum) httpd, and mod_fcgid. I am trying to configure a virtual host to exec php like this: ...