CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

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SELinux context on CentOS 7

I installed CentOS 7 on my server and tried to deploy phpBB. I realized that SELinux was on when the directories were 'Unwritable'. I setenforce to 0 and completed the installation. However I'd like ...
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161 views

How to Install Oracle iPlanet Web Server on CentOS 7?

System: CentOS 7.1 64bit Programe: Oracle iPlanet Web Server 7.0.15 64bit for Linux The java related components have been installed when I use the command 'yum install java'. Such as ...
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2answers
93 views

using the variable “file” obtained from `for “file” in` and pass to another script fails [closed]

I am trying search for all .mkv files in my current folder, then using mediainfo I want to put the height from its meta data to a variable, but it seems it is failing. This snippet: ...
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0answers
43 views

Bro-IDS CSV conversion

I have Bro-IDS currently operating under Centos 7. I need to convert the output to CSV format. The documentation that I have seen on this is not clear to me. Has anyone done this successfully? I have ...
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3answers
7k views

CentOS 7 hostname will not change

I have two CentOS 7 VM's running in virtualbox. On each of the machines I want to set the hostname and a static IP address. VM1 works just fine. VM2 does not. I did the same thing on both servers so ...
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3answers
638 views

How make console to support chinese in CentOS 7?

How can I make the console in CentOS 7 support Chinese? I used localectl command. Following is the result: System Locale: LANG=zh_CN.UTF-8 VC Keymap: cn X11 Layout: cn The sets are for Chinese. ...
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1answer
296 views

Where is the location of console fonts in CentOS 7?

Where is the location of console fonts in CentOS 7? Please tell me if somebody knows that. Thanks!
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2answers
40k views

How to properly set up 2 network interfaces in CentOS (running in VirtualBox)?

I have a VirtualBox machine running CentOS 6.5. I've created 2 network adapters for it in VirtualBox's networking settings for the machine. The first is NAT which I want the guest to use to connect to ...
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131 views

xterm window positioning

I want a shortcut to start an xterm window with specified number of columns and rows and from the specified starting points. I have CentOS 6.6 and the xterm's version is: X.Org 6.8.99.903(253). I ...
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2answers
477 views

How can I bring up up a non-boot (ONBOOT=no) network interface with iproute2?

Have a network interface that does not come up on boot-up: [belminf@tito ~]$ grep ONBOOT /etc/sysconfig/network-scripts/ifcfg-enp0s3 ONBOOT=no I know I could do the following for DHCP: ...
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114 views

Error loading libQtDBus.so.4 while installing skype 4.3 in CentOS 7 64Bit

I have tried to install Skype 4.3 in CentOS 7 64Bit. But its giving library error like Requires libQtDBus.so.4. Please Suggest me how can I get rid of this problem?
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64 views

check media resolution if resolution is big ffmpeg it, if output is smaller than original delete the original else delete the output

I have my storage VPS filled with videos, and hoping I can free up some space, their resolution is pretty big so I decided to re encode them with ffmpeg to a smaller resolution, I am doing every thing ...
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664 views

CentOS 7: Can't connect wifi using wpa_supplicant

I recently got a new wireless card, specifically Intel Dual Band Wireless-AC 7260 WiFi Bluetooth Half Mini Card. Previously I had been connecting with ethernet so this machine has never been on the ...
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0answers
85 views

How to benchmark performance and ensure high-availability in a CentOS 7 cluster?

To give you a little context on my question, I'd like to mention that I am writing an essay on high performance and high availability clusters using a 2-node (I know that is not optimal, but it's what ...
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1answer
507 views

Centos 6.4 and UEFI

I have centos 6.4 64. In /boot/efi/EFI/redhat I have grub.efi file (about 251Kb). However, when I execute efibootmgr I get Fatal: Couldn't open either sysfs or procfs directories for accessing ...
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1answer
3k views

SELinux - allowing rsyslog open/read access to some files

So I've got three files I need rsyslog to open in order to forward the entries to another server. SELinux is preventing this with the following error: type=AVC msg=audit(1371186588.768:1324460): ...
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1answer
238 views

Print file name,Modified Date and Size with Header

How do I print file size, file name and modified date with header.Till now I have come up with: find . -regex '.*\.csv' -execdir stat --printf '%n,%y,%s' {} \; How to add header and do not print ...
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2answers
644 views

Is it ok to install CentOS rpm in fedora?

I want to try gitlab community edition in my fedora laptop. From the downloads page, it has binary packages for Ubuntu and CentOS 6 and CentOS 7. Which one should I be installing in fedora(release 21) ...
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182 views

haproxy removing mod_expires set by apache

I've haproxy server which is routing requests to different web service instance based on rules. The web service instances have apache running at port 80. Now, I'm trying to set some expiry header by ...
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1answer
127 views

RPM install add yum repository

Is it possible to add a yum repository as part of the Requires field on an RPM spec file? For instance: Requires: my_custom.repo, software.xyz (only available in my_custom.repo) If not what is the ...
4
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2answers
73 views

Can I mount a case-insensitive tmpfs/ramfs?

I would like to utilize the performance of tmpfs/ramfs for some file operations, but the programs/processes that use these files assume a case-insensitive file system. I cannot find any documentation ...
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3answers
103 views

Can system time be paused?

This may or may not be the right approach, but it's feasibility was requested of me: We have a demo server that we update from time to time in order to keep the statistical calculations up-to-date. ...
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1answer
68k views

CentOS - install using yum Apache 2.4

I need Apache 2.4 in CentOS because with Apache 2.2 mod_proxy_wstunnel is not possible. I have tried this, but unfortunately its for RHEL. After installing, I can't execute the Apache 2.4. Can anyone ...
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1answer
67 views

Are there any drawbacks to running a GUI on a CentOS server?

I need to build several CentOS 6.6 servers, mostly into web servers and a couple of mail servers. Are there any disadvantages to running a GUI environment as opposed to having no X11 at all? I'm ...
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2answers
3k views

Where are my emails stored on CentOS 5.6

I have a CentOS 5.6 VM installation and currently have a handful of emails that I would like to get access to. When I run mail as root, I get: [root@dev mail]# mail Mail version 8.1 6/6/93. Type ? ...
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2answers
7k views

How to install parted on CentOS?

root@host [/]# parted -bash: parted: command not found I am using CentOS. Looks like I simply have to yum it first or something. How would I do so?
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3answers
4k views

What RPMs do I need for timeconfig?

I've got setuptools set up and have read through the list of what's in /etc/setuptools.d I'm interested in installing timeconfig as well, but I only need the TUI version (no GUI). Which RPMs do I ...
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1answer
1k views

CentOS 6.5 nmblookup not found

After installing Samba (yum install samba) on a fresh CentOS 6.5 install, I cannot run nmblookup ("command not found"). I also tried searching the file system and could not find it anywhere.
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3answers
588 views

Check installed grub2 modules

I run CentOS 7. Is there a way (e.g., a command) to check which grub2 modules are currently installed?
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1answer
651 views

Cannot use EPEL repo, get NSS error -5990 (PR_IO_TIMEOUT_ERROR)

I'm using vagrant to start up a centOS 7.0 VM. My provisioner is trying to set up EPEL 7 via yum install epel-release -y and then trying to install ansible via yum install ansible -y It installs ...
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181 views

CentOS limits.conf & cpulimit not working

I have a CentOS server I am testing things out on. In it, I have configured USERNAME hard maxlogins 4 USERNAME hard cpu 1 USERNAME hard nproc 10 in ...
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1answer
70 views

Rebooting Centos Servers configured with MYSQL Master/Slave Replication

Sometime ago we configured MYSQL replication on our main web server to another CentOS 6 server. All is working perfectly and we can see the replication is working fine. My question is how to safely ...
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152 views

Centos 6-7 install argument for GUID Partition Table

From here http://www.tecmint.com/centos-7-installation/ item 11 NOTE:For those users, who have hard-disks more than 2TB in size, the installer automatically will convert partition table to GPT, ...
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49 views

iptables not getting saved ? centos

I am trying to save the iptables, when I run command #service iptables save it says [ok] but when I again open the iptables the rules get revert to default. Can anyone help me to understand this ...
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4k views

mount exFAT HDD on CentOS 7

I'm running CentOS 7 on my server. I can't yum install fuse-exfat exfat-utils so I installed exfat-utils 1.0.1-1.el7.nux and fuse-exfat 1.0.1-1.el7.nux via RPM. I have a WD Green hard disk, which is ...
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2answers
425 views

Yum Broke For some reason

i am trying to install Mysql Client i am getting this annoying message. I am still unable to find the proper answer. [root@localhost Downloads]# yum install mysql-bench There was a problem importing ...
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301 views

How to fix: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found

I need to install doctotext hence in the base directory, I run doctotext.sh and I got the following error (./doctotext: /usr/lib64/libstdc++.so.6: version 'GLIBCXX_3.4.15' not found). When I did ...
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1answer
284 views

Centos inside Virtualbox — how to set custom resolution?

I have Centos inside Virtualbox. I need custom resolution for my screen. I run xrandr as proposed on the net. New resolution appears in the dropdown. But it doesn't work. Virtualbox addons are ...
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2answers
151 views

many missing dependencies , no links (centOS 7 , postgresql 9.3)

I am trying to install postgresql 9.3 on centOS 7 first , I needed to install libxml2 , and then I tried to install libxml2-devel /$ rpm -iUvh ...
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1answer
448 views

httpd 2.4.6 on CentOS 7 - question related to module config in httpd.conf

I am sorry to post this type of question here but due to the great experience and skillsets here, I hope for your understanding. I am using (unfortunately) httpd package (v 2.4.6). In various guides, ...
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1answer
433 views

Kickstart file - installer is ignoring some of the “do not install” packages from the packages section

When I use the kickstat file on CentOS 7.0, the installer seems to be ignoring some of the "do not install" packages in the list. cdrom text auth --enableshadow --passalgo=sha512 keyboard ...
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0answers
136 views

How to install rpm

I have CentOS-6 and rpm and yum installed on it. The problem is that I had make utility on my system, but somehow it got uninstalled. Now, i want to install make with 'yum install', then I get ...
2
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2answers
116 views

Clone Python from one linux machine to another

I want to run some of my python scripts on my new Linux (Centos 6.5) machine that I developed on another Linux machine (also Centos 6.5). But my problem is that my new machine is not having internet ...
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210 views

Cannot mount LVM partition after restoring LVM metadata

I have resized two LVM partition (/var and /home) and somehow resize process went wrong. After reboot system wasn't able to mount /var and /home. I have used RIPLinux to check if I can mount those ...
2
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1answer
734 views

httpd 2.4.10 in CentOS 7

How can I update my httpd version 2.4.6 to 2.4.10? If I try to update it with yum, it says that I have the latest version. I want to update httpd to 2.4.10 version because a security issue of the ...
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0answers
92 views

Moving Informatica data(directories) from one unix server to another unix server

Can we migrate directories from one unix server to another unix server, without the need of installation of Informatica softwares on the new unix server? If yes, then will there be any change in the ...
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1answer
384 views

Installed PHP extensions to wrong PHP version

I just bought a VPS and it came with PHP5.3.3 and that wasn't good for our website, so I successfully (so it seemed, anyway) installed PHP5.6.7 and successfully registered it with Plesk. For the ...
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1answer
41k views

Nslookup: command not found error on RHEL/CentOS 7

During linux installation I selected "minimal" option: When I went to run the nslookup command to look up an IP address I got the error message nslookup: command not found as shown in the example ...
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1answer
153 views

CentOS 6 Static IP Address

I've just assigned my CentOS machine with a static IP address using the /etc/sysconfig/network-scripts/ifcfg-eth0 which has the following lines and seems to be working #eth0 config DEVICE="eth0" ...
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1answer
244 views

VPS: How to forward traffic to devices from public IP

My goal is to set up a public IP for a Android Smartphone which is running an "IP Cam" software - the interface can be accessed in local network on (example) 192.168.0.2:8080 - But it has no public IP ...