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1answer
33 views

Adding script to run at startup without touching rc.local

I'd like to run a script at startup without actually adding it as a command to rc.local, just by copying a script somewhere. I know in theory I can put it into /etc/init.d but that's really for ...
1
vote
3answers
67 views

Reverse DNS does not match SMTP Banner [duplicate]

I'm new to this site but I have found many good answers on this site before. I have also searched for my actual question but I didn't found the answer or at least I didn't understand what should I do ...
-1
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0answers
26 views

Accidently mv / directory to public_html

We accidently moved / directory to public_html in centos first we though we did rm -rf / but thank god we did not. most of files are moved however public_html/var/lib/mysql folder is missing from ...
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0answers
28 views

CentOS 7 machines can't ping each other over ipv6

I got three machines configured for ipv6: CentOS 7 vm1 - 2602:306:cc2d:f591::a/64 CentOS 7 vm2 - 2602:306:cc2d:f591::b/64 Macbook - 2602:306:cc2d:f591::c/64 The two VMS are on the same host (a ...
0
votes
0answers
8 views

Cannot connect to smtp mail server [duplicate]

I have an installation of Postfix & Dovecot on a Centos 7 server. While being logged into the server via ssh I am able to use telnet and openssl to connect to localhost like openssl s_client ...
-2
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0answers
14 views

Merge “/boot” and “/” partitions on Centos 7 [closed]

I have three partitions (boot, root, swap) and i want to remove the swap and merge boot and root partitions so in the end i want only to have /dev/sda1 blkid /dev/block/8:3: ...
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0answers
39 views

Zimbra Admin Page White Screen

I'm having an issue where my zimbra admin page (https://zimbraurl:7071/zimbraAdmin) is only showing a white page, F12 is giving me this error. I'm running version 8.6.0_GA_1191, I've gone though ...
0
votes
1answer
26 views

Prevent CentOS re-enabling user quotas after reboot/power failure

I have a client that has an internal server in their office for their Intranet. Their office recently been through some power cuts in their area recently. Whenever the power goes back on, the server ...
0
votes
1answer
19 views

Update Puppet agents with last manifests changes automatically

I have a Puppet server with 10 agents on CentOS 6.6. To update agents with last manifests changes I use this command on agents: puppet agent --no-daemonize --onetime --verbose So when I make a ...
0
votes
1answer
30 views

oVirt engine 3.6 in local Internet **connectionless** network

I wanna use oVirt engine 3.6 in my Internet connectionless network. I installed oVirt with yum over internet. After that I tried to work offline. When I go offline Web Interface it still works fine. ...
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0answers
4 views

App started as a service gets very low memory limit

I have created a service to manage an application, the Slurm resource manager. I however keep having problems with the resource availability. This is the service configuration file [Unit] ...
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0answers
39 views

FreeBSD 10 guest on qemu/kvm CentOS 7 host

I'm trying to install FreeBSD 10 on CentOS host without using graphics (using only serial console). I've tried: # virt-install -n freebsd-a -r 512 --vcpus=1 --os-variant=freebsd10.0 --graphics none ...
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0answers
19 views

Use of PTPd on RedHat/CentOS

I need to create a reliable and accurate synchronization between two CentOS 6 machines connected through a direct Ethernet connection. I've seen that on Linux several implementation of the IEEE 1588 ...
3
votes
0answers
89 views

SSH - 1s hang at “Entering interactive session” (Not DNS; possibly SELinux related)

I'm having an issue on CentOS 6.7 where SSH logins are 1s more than any non-6.7 machines on this network (e.g. 7.2, 5.11). Running debugging on the client side showed the hang at "Entering interactive ...
-1
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0answers
24 views

Postfix relay mail for not existing mailboxes [closed]

I know that I can with few modifications relay mail for any existing mailbox or domain from my server to another. But I didn't find a way to relay mail for specific domain if the recipient mailbox ...
0
votes
1answer
15 views

After using userdel -r to remove a user, user still appears on login screen (CentOS 7)

I used userdel -r [username] on CentOS 7 to delete a user, but the user is still appearing on the GUI login screen. Also, useradd now refuses to add the same username again, reporting that the user ...
8
votes
3answers
260 views

Should I use the CentOS package version in the (official) repositories, or the latest stable versions of the packages?

This is an open ended question, but I do wish to have a constructive and helpful discussion into this topic. So to clarify on the question: On a server running CentOS 7 (or any other Linux ...
0
votes
1answer
26 views

centos vps memory is too full

my ram is almost full without any process using it. maybe you think it's a duplicate question but unlike others my -/+ buffers/cache is used too. this is output of related commands: top - 00:27:38 ...
1
vote
0answers
19 views

ESX 6 arp fails in back 2 back link

we are having a strange problem with back 2 back connection between an ESX 6 and CentOS 7 machine. Hoping to find a solution on stackoverflow The story is below: - we are using a CentOS 7 directly ...
-1
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0answers
65 views

Anybody have first hand experience with “/usr/bin/fuck” or “/usr/bin/fake.cfg”, Know where it comes from? [duplicate]

Not a 'general' question. I found a some good suggestions for this question 'does anybody have experience with...' and not the question 'how do I deal with an infected server'. I think they are ...
-2
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0answers
20 views

L2 tunnel over L3 [closed]

In this test, I have network-a, network-b, and network-c. network-a and network-b are routable at L3. network-c is a L2 network. VM-a attaches to network-a, also a bunch of other VMs are on ...
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0answers
35 views

Ajenti nginx 403 on main server domain

Hi guys i bind dns my server on domain.com , and i 'm using ajenti-v too for controll websites and now I wanna use my main domain.com as php website too so i create website account and setting but ...
0
votes
0answers
31 views

Squid proxy ignores delay pool configuration

I have Squid proxy 3.5.13 running on CentOS 7. Everything is working well so far except for the bandwidth limit. I have about 200 users going through this proxy server and I want each of them to have ...
0
votes
1answer
30 views

How do I create rDNS (Reverse DNS)

How to create rDNS (Reverse DNS), I am using Centos 7.0 and I need to create rDNS for 50 IP's and domain. Can you please guide me how can I create. Example. Example.com - xxx.xxx.xxx.xx0 ...
0
votes
1answer
26 views

CentOS server blocking own outgoing traffic

I've got a server (CentOS 6.7) running, which causes me some headaches. A few months ago, the website running on the server was unavailable. After some digging, it appeared that Iptables was blocking ...
0
votes
1answer
11 views

Allow all rule for one interface using firewalld

I have two interfaces in my CentOS-7 VPS. I want to allow all access to one interface(eth1, that is my private network). I'd change zone of eth1 to home how can i add a rule to allow everything on ...
-1
votes
0answers
35 views

XEN 4.6 + Centos7 dom0: boot sequence not shown

As per subject, when the machine is booted in the Xen environment, the screen blanks until the login: prompt is shown. Booting a vanilla kernel results in the usual screen output. Advice? Cheers ...
0
votes
0answers
11 views

Can't enable TUN/TAP on VPS [duplicate]

I'm desperately looking for a way to enable TUN/TAP on a VPS in order to use an OpenVPN client. The VPS is based on Parallels Virtuozzo. I've been reading a ton of tutorials and forum topics, and here ...
0
votes
0answers
39 views

Routing host traffic through Linux KVM (pfSense) router

I have a pfSense virtual machine running on a CentOS 7 host. The host has 2 network adapters, enp1s0 and enp3s0. enp3s0 is connected to a bridge br1. My pfSense virtual machine is also connected to ...
0
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0answers
24 views

IPTables Reverse Proxy Breaking PHP-FPM | nginx/php-fpm/iptables/centos

Information: I have been trying to make a reverse proxy on my server using iptables rules. I use nginx to reverse proxy on SSL to port 8080 where I run another nginx server. The problem: IPTables ...
1
vote
0answers
23 views

Postfix STARTTSL works in LAN but not from external (centos 7)

if I connect in LAN on port 25 to my mailserver it offers STARTTLS telnet mailserver.com 25 Trying 192.168.0.x... Connected to mailserver.com Escape character is '^]'. 220 mailserver.com ESMTP ...
0
votes
1answer
24 views

OpenLDAP Filtering Users that are part of Groups of Groups

LDAP Configuration: MemberOf Overlay is enabled Users are part of an organizationalUnit called People. Each user is a "memberOf" a role. For example, a user in their role at a company is a ...
1
vote
1answer
18 views

how do I filter and reject mails in postfix based on the 'to' address

My CentOS server is configured for outgoing mail only. I need a filter to reject mails targeted at selected destinations. For example, if I test with > mail -s "test" spam@trash.com I want this ...
-2
votes
1answer
34 views

converting jpg to mpg fails in convert/imagemagick

I'm running Imagemagick on CentOS 7, converting a directory of .jpg files to an mpg file and getting this error convert -delay 5 fileprefix*.jpg -quality 80 test.mpg convert: delegate failed ...
0
votes
1answer
26 views

Can not ping from specific vlan tagging interface

On my box I have following interfaces(vlan tagging): eth2.556: 172.16.1.17 eth2.201: 192.168.208.143 All default route via 172.16.1.1 I can ping all other IP using 192.168.208.x, but can not ping ...
-1
votes
2answers
55 views

.htaccess Permission Denied (Apache, CentOS 7)

I'm encountering an issue with .htaccess. I have searched through the Internet and all the solutions didn't work. Please help me! Thx! In the Apache error log, it has the following line: ...
0
votes
1answer
47 views

CentOS /boot is full even after removing previous kernel

During several months before every update system action I need to clean up /boot directory because it is full. I had removed old kernels as described here (How to free up space on RHEL6 /boot ...
0
votes
1answer
12 views

CronD ignoring command and running hourly

Having a problem with Cron on Centos7 it appears to be running my command 5 * * * * root curl http://www.(removed)/Ebay/GetOrders.php every hour instead of the 5 minutes i set some of the log: ...
0
votes
1answer
17 views

Azure custom CentOS Image shows “Running (provisioning timed out)”

I created a VM using the standard CentOS 7.1 image in the Azure gallery. I generalized it and captured it as a base image for future deployments. However, once I spin up a VM using this image, the ...
0
votes
1answer
34 views

Allow external provider to access Webfolder in CentOS. (Option SFTP)

Following Problem: We run a CentOS webserver and would like to grant access for an external contractor which only needs to access our webfolder ''/var/www' to Modify/Upload files. What I tried was ...
-2
votes
0answers
39 views

Why calculated 'MaxClients' is a big number for my server? [duplicate]

I am a programmer but now, I am trying to tune Apache server, so excuse me if my questions are naive. I am trying to figure out MaxClients for Apache, so I found this, and so many other tutorials on ...
0
votes
0answers
19 views

EFI shell boot vmlinuz : no filesystem could mount root, tried :

I am trying to boot an installed OS from UEFI shell. This machine doesn't have a legacy boot. Only option is to use EFI shell. I am using a custom compiled kernel-3.18.17. I could load vmlinuz, but ...
-1
votes
1answer
30 views

Folder migration ideas

I've got to the point where it impossible to load a folder on the server because there are so many sub-folders within it, getting close to 100,000. I currently store user's images in a filing system ...
0
votes
1answer
27 views

Can't ping public endpoints when IPSec tunnel is up

I'm using openswan to link two machines via IPSec. The tunnel comes online fine and I have connectivity to each endpoint via the VPN. However, when the tunnel is up, I lose connectivity to the ...
0
votes
2answers
70 views

error while loading shared libraries: libcurl.so.4: cannot open shared object file: No such file or directory

I am trying to run an application that requires libcurl but I can't start it. error while loading shared libraries: libcurl.so.4: cannot open shared object file: No such file or directory I was ...
1
vote
1answer
22 views

Howto setup LDAP/Linux so when a user is deleted, its bash user session is immediately closed

Is there a way to setup OpenLDAP on a Linux (Redhat/CentOS) system so that when a user is removed from the LDAP server or he/she is removed from the "login is authorized" group, all his/her open ...
1
vote
0answers
16 views

Site farm server with multiple users - best aproach

I am buliding kind a hosting server for static sites, and i am wondering is it better and for what reasons to: 1) use linux users ( i dont need ssh or something advanced function, there is only ...
0
votes
1answer
38 views

Open port 1194 for openvpn service

I am looking to open the openvpn service on my CentOS VM. When I run nmap -sU localhost -p 1194, the following is output: Starting Nmap 6.40 ( http://nmap.org ) at 2016-01-08 13:23 GMT Nmap scan ...
0
votes
1answer
47 views

can't access my dedicated server via ssh Permission denied (publickey,gssapi-keyex,gssapi-with-mic)

I can't access my dedicated server via ssh this's the result of "ssh -v user@server-ip" command line: OpenSSH_6.9p1, LibreSSL 2.1.7 debug1: Reading configuration data /Users/mac/.ssh/config debug1: ...
0
votes
0answers
30 views

Missing `fastcgi_cache_purge` from Centos 7 EPEL `yum install nginx`

I installed nginx on Centos 7.1 with yum install nginx (from the EPEL repos). I am setting up WordPress caching as per https://codex.wordpress.org/Nginx and getting unknown directive ...