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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How to unpack rar archive with p7zip under Centos 7

I'd like to make my 7z command to be able to extract RAR archives. I have installed p7zip and p7zip-plugins packages from EPEL repository. However, if I try to extract a rar file like this: 7z x ...
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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 ...
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1answer
2k views

Using CentOS virtual box guest OS as a local web server

I've installed CentOS as a virtual box os under my osx host, and have been trying to use it as a local web server, but I've run into some problems. First, I want to establish that I've installed ...
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1answer
22 views

wget stops downloading: Cannot write to `-' (success)

Please have in mind that I don't know anything about servers, nor any of its vocabulary, I am a simple web coder, trying to figure my way on the universe! I'm trying to link dropbox on my server, I am ...
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1answer
15 views

How to access the service on the server which act as the VPN Gateway as well?

I am currently running a VPN Gateway by Strongswan on a CentOS 6.5 VPS. The CentOS server has one eth port. The VPN is using IKEv2 and the connections between clients and server are established. The ...
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8 views

What are my options to clear vertical screen space on centOS?

I'm migrating from ubuntu to centOS and one thing I have noticed is how the default GUI of ubuntu clears vertical space. It does not have a bar of open programs on the bottom and windows have a ...
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11 views

HandBrakeCLI 0.10.0 64-bit from source on CentOS 6.6 Minimal

I am trying to install HandBrakeCLI 0.10.0 64-bit from source on CentOS 6.6 Minimal. But I'm having a hard time figuring out what dependencies HandBrakeCLI has. I cannot find a full list anywhere. ...
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4 views

nginx is still linked to old openssl

We're running CentOS 6.5. We recently updated via yum: OpenSSL to OpenSSL 1.0.1e-30.el6_6.4 nginx to nginx-1.6.2-1.el5.ngx However, I noticed that even though nginx was configured to use TLS v1, ...
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1answer
24 views

NTPD not updating time date on CENTOS

I have set up ntpd on CENTOS, I am trying to get it to pull time from a Windows domain contoller if i run the command: ntpdate dc3.mydomaain.local this works fine and updates the host with the ...
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2answers
4k views

CentOS: View all users in a specific group

I added a user user01 to a group group01 using: usermod -a -G group01 user01 When I run in command id user01 it shows that this user has actually been added to the group. However, the file ...
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1answer
36 views

Virtualbox: Windows 8.1 Host, Centos 6.6 Guest: No guest internet access

I'm moving to a new Win8.1 laptop (fully updated) with Virtualbox 4.3.20 installed, and my freshly-installed CentOS 6.6 guest (with Guest Additions installed) has no internet access. This is my first ...
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21 views

Mass Rename Files including sub directories

I have many file having "example.com" in them and I want to replace it with "example.co" as i change my site tld, i have rename program installed in my server and have root access too. Can anybody ...
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48 views

Issues with Network interface card in CentOS 7

I have just installed centOS in machine having 4 NICs. CentOS detected 2 of them but two or them are still missing from network manager. Both two of them are of same kind, I suspect that it's a driver ...
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8 views

CentOS two sets of kernel packages

On my CentOS 6.2 system the rpm -qa command shows two sets of kernel packages and sources: kernel-2.6.32-220.el6.x86_64 kernel-2.6.32-220.7.1.el6.x86_64 kernel-devel-2.6.32-220.el6.x86_64 ...
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600 views

Virtual Box Pen Test Lab Set Up

So I’m trying to set up a pen test lab in virtual box on my windows 7 host. I have 3 guest OS's installed: BackTrack5 CentOS 5 Server/Snort (My Snortbox) Windows XP (Unpatched) I have 3 ...
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22 views

Is there a way to 'clean out' physical memory (RAM) that is tied up on my Centos/Apache webserver?

I am developing something that requires Server-side javascript, and as such am using PhatomJS to run the JS. It uses up about a 1GB of physical memory when all is well, but if I screw up some ...
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11 views

Tor Not Running on Server Always?

I have a Perl script that uses Tor for scraping certain data. It was working perfectly and then my script started having issues with scraping. After a bit of investigation, I realized that Tor ...
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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 ...
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8 views

Nating on linux boxes for private network

I have a private network set up with IP numbers ranging from 192.168.1.7 to 192.168.1.100 need to configure 192.168.1.15 to 192.168.1.100 restricted to private/internal network. would like to use one ...
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13 views

Grub boot to rescue CD

I have a virtual machine (Centos 6.2, fwiw) that hangs on fsck. I can get to a grub (pre grub2) menu. Is there a way to have it boot to the rescue CD (Centos 7 Live) I've attached to this VM? The ...
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1answer
10 views

nginx php can't write files on centos machine

I have this PHP code: <?php $myfile = fopen("testfile.txt", "w") ?> And the following permissions in my '/usr/share/nginx/html' directory drwxrwxrwx. 3 root root 4096 Nov 20 08:51 . ...
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Mac OS X 10.10 Yosemite + vmware 6 + centos

Ok, so I'm running a 2014 mac book pro retina 8gb ram, I5. Just upgraded to Yosemite with vmware 6. I've installed centos MINIMAL, here the thing centOS in command line runs DEAD SLOW. I've even ...
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Centos install using KVM stuck on trying to access install.img

Greeting Folks, I am trying to install Guest or DOMU on a remote server and every time I try is get stuck at Retrieving /install.img. I believe its a network setting but am not entrely sure. Here is ...
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CentOS 7 can't ping from server

I'm having a Strange issue with CentOS 7. I have my server setup with 2 NICs a private network and a public network. I'm able to ping the server on both the private and public IP. But I cannot ping ...
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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 ...
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1answer
50 views

Linux temporarily thinks disk is full

I’m working on a Linux server with CentOS 6.5 and a NAS NFS on a QDR Infiniband network. I am running a bash script that basically creates a directory, makes symlinks inside of it, and cats together ...
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2answers
30 views

Yum doesn't list a package I'd like, now what?

I'm Linux ignorant. We're using CentOS and I have a need to install something called git-up and I understand that package managers are how you install everything onto Linux. CentOS has yum but the ...
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11 views

/sbin/php-fpm works while /bin/php doesn't

Compiled php 5.6.3 on centos with the following ./configure: ./configure \ --with-zlib-dir \ --with-freetype-dir \ --enable-mbstring \ --with-libxml-dir=/usr \ --enable-soap \ --enable-calendar \ ...
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1answer
3k views

How to change resolution of CentOS 6.5 Resolution on virtualbox (Host: Win7)

So I'm trying to configure the resolution of my CentOS 6.5 virtualbox. Here are the steps I have taken: Installed guest additions Changed virtualbox preferences > Display > Maximum Guest Screen Size: ...
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1answer
19 views

Samba fails to connect to VMWare CentOS guest from Mac Mavericks host

Trying to connect through smb to my VMWare guest at 192.168.0.138:139 gives me the following message: There was a problem connecting to the server "192.168.0.138" This file server will not ...
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1answer
341 views

Add windows partition to grub2 boot loader in centos 7

I had windows 7 installed on my laptop. Then I installed centos7. Installation completed successfully, but when I reboot I can see only centos and centos recovery. I did not see windows partition. ...
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6 views

Accessing a CentOS 7 server running on VirtualBox from outside

Is it possible to access my Apache server from outside the VirtualBox on Google Chrome browser on my host computer? Its running on CentOS 7 on VirtualBox. I have tried connecting to the ip address of ...
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2answers
7k 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). ...
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1answer
30 views

RVM - Multilib version error installing libffi-devel on Centos 6.6

I have a Digital Ocean droplet running CentOS release 6.6 and I need to install Ruby and Capistrano on it. I've been following this idiot's guide; ...
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32 views

CentOs stopped working after update in VirtualBox

I recently updated my OS to centOs 6.4 in virtual box. Before update I had guest additions installed and everything worked fine. The screen resolution all was fine. After update to 6.6, the OS stopped ...
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84 views

Centos vncserver getpassword error: Inappropriate ioctl for device [closed]

Any ideas? I'm running Centos 6, and trying to get vncserver running.
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1answer
41 views

CentOS 7 ESXi/VMware Hang on Boot

I installed CentoOS 7.0 1406 on a VMWare ESXi 5.5 hypervisor. I installed "Sever with GUI" and selected KDE. However on boot I get the following messages in under a second, before the process tops ...
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2answers
32 views

Multiple internal networks on Virtual box (CentOS)

I have 3 NIC's (internal network) on one Virtual box Machine(CentOS 6.4) each NIC has its own network name intnet1,intnet2 and intnet3. So how I understand this is eth0 is connected to internal ...
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1answer
17 views

Running ZIP Process in Background in CentOS

How can I run the following command/process in background immediately after starting it: zip -r file.zip directory/* What I actually want to do, is to run the zip process working even after ...
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30 views

Delete the oldest x Gigabytes of a directory [closed]

I want to be able to delete say, the oldest 7 Gigabytes of a directory. Any method will be appreciated! Normally, I'd try for a long time on something like this, but my day job is in 3 hours and ...
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8 views

bchb.pfa missing in CentOS 6

With some application, I get the following error message in CentOS 6.6: FreeType: couldn't open face /usr/share/fonts/default/ghostscript/bchb.pfa: 1 Indeed, when I "ls" this directory it contains ...
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3answers
12k views

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

So at first I was getting this error when trying to create databases for use in phpmyadmin. ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) I ...
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2answers
21k views

How to change the date of Linux to UTC/GMT +1?

I need to change the date of my system. I'm running a Linux CentOS 5.6. # date +%Z UTC # date Thu Oct 6 11:42:45 UTC 2011 How do I change the hour to be UTC/GMT +1?
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42 views

Can't access XAMPP after changing iptables

I've been working on a web application in a CentOS 7 machine and testing it in a Windows machine. Both machines are in a LAN network and I have access to the centos machine using VNC viewer and ...
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2answers
2k views

Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files

First, we create 2 partitions on the USB stick that is let's say 16GB. first partition is let's say only 1GB and the second partition is the rest of what is available. after we "w" write the ...
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1answer
396 views

iptables not starting on CentOS 6

I am running CentOS release 6.5 (Final) and cannot figure out why my iptables is not starting. I may have executed some other command to permanently prevent the start up of iptables; I do not ...
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17 views

Execute Virtual Box Shared Folder Mount on Startup on Cent OS 7

I try to execute a mount command on startup in Cent OS 7. With FSTabs it did not work, so I tried the following: Creating the folder vbox-shared-folder-mount.service with the following content: ...
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2answers
47 views

How to save Crontab edits?

I ran crontab -e and made some changes, now how do I save it?
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2answers
55 views

Where can I get Centos 6.5?

I am deploying a product for my department which calls for CentOS 6.5. When I browse the CentOS downloads, I am only seeing 6.6 available with no means of finding 6.5. Our vendors have only stated ...
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281 views

Centos/Redhat XSP4 daemon

How can I install xsp to run as a daemon.I run my /etc/init.d/xsp script(see below) it stops with status message : Listening on address: 0.0.0.0 Root directory: /var/www/asptest Listening on port: ...