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.

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1answer
74 views

How interact in for with bash?

I know this must be sound a weird question, but for me, that always developed in C, C++ and Java (and now in bash) seems more weird tough. I'm trying to check if md5 and filename from two list (one ...
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1answer
177 views

Node.js fails to start with v8 symbol error

I installed the nodejs package on CentOS release 6.3 (Final) But it crashed on startup when run with no arguments: [root@lcnolw1073 ~]# nodejs nodejs: ../src/handle_wrap.cc:65: static ...
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1answer
1k views

Centos unable to upload file permission denied error

Yesterday I installed vsftpd in my centos server. But I am not able to upload files permission denied error. So I set owner and 775 file permission, and also i set 777 permission and then also I cant ...
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3answers
1k views

VLC on CentOS 6 always shows black screen

I downloaded VLC on my CentOS 6. When I play a video by double clickig on finder, or using the vlc command in terminal, it shows a black screen. Sound works fine though. Do you have any idea what ...
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1answer
66 views

what's the meaning of “?” in file/folder mode bits in CentOS 6.4?

Environment: 2 desktops. A is a Ubuntu 12.04.2 LTS B is a CentOS 6.4 A mounts B's folder via sshfs. The output of 'mount' in A: Lebian@zeus:/share on /mnt/share type fuse.sshfs ...
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0answers
278 views

Is my CentOS library multiarch? And what does that mean?

On CentOS release 6.4, I am trying to run a binary. However, it gives the following complaint: (...) requires "/lib/libuuid.so.1" to function. From a quick search, I can see that the only similar ...
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0answers
217 views

Trouble installing php-devel on CentOS

Working with a PHP install and trying to install APC on a server to help with speed issues with an application we're developing. We are having trouble getting phpize installed. phpize is not on the ...
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2answers
53 views

Is rsync overwriting my `./` directory?

I'm new to rsync, but I've noticed that at the top of the "receiving incremental file list" is ./ Is rsync overwriting the destination's ./ directory? The timestamp of ./ in destination matches the ...
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0answers
82 views

My vbox shared mount will not auto mount and is only ready only?

My vbox shared mount will not auto mount and is only ready only? I am using scientific linux host and centOS guest and I am trying to share a folder I have in both accounts but the folder is only ...
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1answer
1k views

CentOS 6 does not show any desktop icons or anything in the panel

I was using CentOS 6 in VirtualBox fine for a couple of days. Now, when I login via the GUI user prompt, all I get is the background screen, no icons, no menubar, nothing. I am not terribly familiar ...
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2answers
505 views

Sending files to CentOS machine via ssh

I'm using ssh and connecting to a linux machine for the first time from my Windows 7 machine and right now I'm using putty to access a CentOS machine via ssh. I need to transfer some big files to the ...
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1answer
589 views

CentOs vsftpd - Users not being jailed

I have 3 users created and I have installed and configured (or so I thought) VSFTP to jail users to their own home directory but it's not working they can browse right to the route folders. What am I ...
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3answers
1k views

Where are aliases set in CentOS?

There is a typo which causes an error message upon logon (someone typed lias instead of alias). I have checked /etc/bashrc as well as ~/.bashrc and /etc/profile as well as ~/.bash_profile for ...
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3answers
2k views

How give the permission to access subfolders in /root?

I need give the permission to read/write in this folder, which are subfolder of /root directory to mike.jackson (for some reason someone crete this folder inside /root) : ...
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2answers
17k views

yum install gcc-g++ doesn't work anymore in CentOs 6.4

Today installed CentOs 6.4 fresh new on my workstation. I wanted to install g++. With my surprise I didn't succeed by using yum install gcc-g++ The thing is that even by doing a search I don't ...
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1answer
438 views

Plesk keeps crashing, and I only see this warning

Wed May 01 12:05:42 2013] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!? The above warning seems to coincide every time Plesk Parallels version 11.0.4 ...
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2answers
442 views

What are the essential firewall configurations for a newly live CentOS web server?

I've newly got a CentOS server from Linode.com which I'm using as an Apache web server with the LAMP stack. I notice that the firewall is enabled by default but doesn't seem to have any active rules. ...
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1answer
5k views

RHEL5.5 switch to CentOS repositories?

I was given a VM for a RHEL5.5 machine but I do not have a RHN subscription. I get this warning when using yum: bash-3.2$ sudo yum update [sudo] password for streamsadmin: Loaded plugins: rhnplugin, ...
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1answer
237 views

GRUB menu customization (change menu appearance)

In my GRUB (GRUB 0.97) menu the selector became invisible (changed of inversion color). I would like get my selector bar back and by the way customize a bit grub menu to be more fancy with colors. ...
0
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1answer
49 views

wpa_supplicant unexpectedly running on server

I discovered that wpa_supplicant is running on some of my CentOS 6.4 servers, without having been explicitly declared in the chkconfig setup. What can be causing this ? $ chkconfig --list | grep ...
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2answers
410 views

How to mount a software RAID0 array in CentOS without formatting

Recently my software RAID0 array had a SMART error and so I had to get 2 new drives to create another RAID0 to re-install CentOS 6. The 2 previous drives were saved; and re-inserted. But I don't know ...
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1answer
206 views

How to find out why available disk space is decreasing every day?

I have a CentOS web server which does not have much load on it. I noticed that its available disk space drops by more than 100MB every few days. There isn't any new software installed, however there ...
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1answer
955 views

Install CodeLite on CentOS

I have CentOS 6.4 I want to install CodeLite. Their website http://codelite.org/LiteEditor/Download#toc5 says that you need to compile it (as they don't have a package for CentOS). I did git clone ...
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0answers
196 views

How to set Cloud9 URLs to subfolder?

I have installed an instance of cloud9 on a webspace (CentOS 5). Installation was easy and it is running fine. My hosting provider supports mod_proxy, thus I use a .htaccess to re-route the requests ...
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0answers
439 views

CentOS installation: Anaconda died after receiving signal 7

I want to install CentOS 6, 64-bit on my PC. I'm getting following error in the first stages of installation (right after media check and before starting graphical installation): Anaconda died after ...
2
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1answer
64 views

Special instructions for CentOS VBox virtual machine?

I am gearing up to create a CentOS 5.5 server virtual machine in VBox and was wondering if there are special instructions, configurations or settings that I should be aware of ahead of time. ...
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1answer
203 views

Which CentOS ISO to use for my virtual machine? [closed]

I have a physical server running Red Hat Enterprise Linux Server release 5.5 (Tikanga). I would like to create a virtual machine (using VirtualBox) with a binary-compatible version of CentOS server as ...
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1answer
38 views

how can i choose the destination path for my python in the Centos 5.3

This may sound stupid but I'm trying to install python but it is installed in /usr/bin/ but I want to install it on /usr/local/bin. how can I do that?
2
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0answers
501 views

mdadm RAID monitoring no DegradedArray email

So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working. The system in question is a ...
0
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1answer
435 views

How can I upgrade ffmpeg in CentOS 6.x

At first, I've downloaded ffmpeg 0.6.5. and it works. But when I'm trying to use '-vf' option, Terminal said there's no such command. So I asked this on Super User and someone said that the cause is ...
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1answer
578 views

Insatall phpMyAdmin in CentOS vps

I can make a account in host1free.com.And now I had a vps server In this vps server opreting system is centOS and I can not use it before so I am newbie for this and I want to install a phpmyadmin in ...
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0answers
559 views

mpeg_decode_postinit() failure [closed]

I'm trying to take some thumbnails via ffmpeg command. My file name is "aaa.ts" and I want to take some thumbnails every second. Frankly, it works, but I have 4 red lines in terminal. So can you tell ...
2
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1answer
353 views

Samba shares empty and not writeable when browsing OS X 10.8

When I mount a Samba share it works, but it doesn't show me any files, even though they exist on the server, I also cannot write files to the share either. The server is CentOS 6.4, running Samba. ...
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0answers
270 views

Suggestions for finding performance bottleneck on LAMP server

I know this question has been asked a thousand times and I've read through a bunch of the answers, but haven't found one that really helped me. I've used top and I'm not swapping at all, I've got ...
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7answers
7k views

Are we suppose to manually delete contents of /tmp?

I was under the impression that /tmp will regularly delete "old" files. Seems to me that /tmp will just grow as long as it wants to and won't delete anything. Some people say it's betetr to just leave ...
0
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1answer
290 views

legacy grub: updated menu.lst is not used

This is a CentOS 6.4 with all updates inside Virtualbox OSE (quite old version). All information below refers to the VM, I don't think there is any issue on the host. /boot is a separate ext2 fs on ...
0
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1answer
88 views

Selinux what's the right context for module like imagemagick /usr/bin/convert

I have an application I need to call from php, but selinux is preventing execmem for the application. I want to set the right context rather than allow bin_t or httpd_user_script_t execmem access. I ...
3
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1answer
349 views

SSH: “no such identity”

I'm having a very peculiar problem getting SSH to work on my Linux box. I have a passwordless git user identified by an OpenSSH key. If I attempt to ssh into it from either the same or a different ...
1
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1answer
199 views

PHP Exec function reports failure on some commands that work by SSH

I'm on CentOS 6 64bit with PHP 5.4.12. This is very strange behavior by PHP. See the following script: echo 'Trying Query: whereis jbig2dec<br>'; exec('whereis jbig2dec',$output) or ...
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2answers
112 views

network to NAT in Virtual Box and strange IP

I have just installed CENT-OS in a Virtual Box inside the internal network. The network setup is set to 'attached to NAT'. When I enable the network interface in CENTOS I can see that my IP address is ...
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0answers
434 views

GRUB reported “error: file not found.” when booting CentOS 5

I installed CentOS 5.3 by using a 4GB USB disk on an old PC that I used run a Debian on it. After a series of housework on the fresh system, I reboot the system using: sudo shutdown -r now After ...
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1answer
461 views

Permanent Permission on /dev/ttyS0 CentOS 6.4

I seem to be unable to change the permissions on the /dev/ttyS0 device of a CentOS 6.4 machine. Every time I reboot, the system goes back to the defaults. I've googled that I need to edit the udev ...
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2answers
854 views

How to download all files and folders using FTP via SSH? [duplicate]

I tried mget * but it only downloads files not folders. Is there a "download all" option?
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1answer
387 views

How can I add the port to iptables rules on centos?

I want to open the port 8040 on my centos, but I keep getting connection refused. This is what I have done: iptables -I INPUT -m state --state NEW -p tcp --dport 8040 -j ACCEPT iptables -I INPUT -m ...
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2answers
214 views

CentOS 5.8 broke server by accident.. Can I fix it?

I have a problem... I was trying to rm -rf * one of my folders, but it turns out I was in the / directory... I stopped the command quickly but it still broke A LOT of things. Almost all commands are ...
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4answers
501 views

The clipboard is not shared with PuTTY under CentOS

I'm running CentOS 6 on the local machine and using PuTTY. Selection, copying and pasting text works well inside the PuTTY session. But the clipboard content on the local machine does not change. My ...
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0answers
67 views

downloading a large file stops all network activety from that disk

I have a server that freeqently downloads large files, the problem is every time it's downloading a file, it stops all network activety from that disk. in the output bellow you can see that network ...
2
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1answer
1k views

Linux/CentOS how to permanent inititate DHCP Client any reboot?

In my CentOS, i need to run dhclient -v command at every time i start/reboot the server. How to make this permanent please?
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1answer
180 views

CentOS how to configure autoban after failed SSH logon attempts

I'm managing a virtual machine that some predecessor has set up. If I try to logon and enter the wrong password three times in a row my current IP gets banned for a lengthy time (some 30 minutes at ...
2
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2answers
3k views

Cinnamon for CentOS?

I was trying to install Cinnamon from Source code in a CentOS v.6.4. Unfortunately, I was stumbling upon dependencies that were becoming weird each and every time. Some of them, I tried to build, ...