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Installed Ajenti panel, it starts but accessing it makes it stop

I am on CentOS 7. So when I go to https://x.x.x.x:8000, it doesn't load anything. If I disable ssl from the Ajenti config file, then it connects without ssl. With SSL enabled however, I have ...
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8 views

imported imap spam assassin [duplicate]

I moved my server to an other VPS. I also synced the imap messages to this new VPS. On this VPS i've got spamassassin installed. The old server was very slow and couldn't handle spamassassin, so I ...
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27 views

Adding network-fault tolerance to drbd or drbd alternatives

I've been working with drbd for about a year now, and at this point I'm tearing my hair out in frustration. Every time there is a network fault (something that is disappointingly common in the ...
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1answer
33 views

Is there any way to salvage data from a 'broken'? SSD on Linux?

Where to start... So I have three dedicated servers hosted overseas. All three are running CentOS 6.7, two are used for webservers while the third is used as only for MySQL databases connecting to ...
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18 views

Iptables and rate limit http URL

I need limit requests to xmlrpc.php in Centos 6.x. I have this rules added, but nothing do it. Thanks for help. iptables -I INPUT 1 -p tcp -m state --state NEW -m recent --rcheck --seconds 600 ...
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1answer
35 views

is there a way to findout about a file history (create date / create directory / moved directory ) ? [duplicate]

so i found a shell deep in a directory of my website . my website doesn't have a upload section and i use a well known framework and it covers sql injection ( i use codeigniter active record to work ...
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1answer
34 views

Asterisk server with two connections [closed]

I need that configuartion It works, but with only one connection, with eth0 Or with only mobile broadband I searched for it, but found only forwardind/routing solutions. How i can see asterisk ...
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2answers
118 views

PHP 7 conflicts with PHP 5 (Centos 7)

Trying to install PHP 7 now that it's available; (on centos 7) added repo's: rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm rpm -Uvh ...
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1answer
18 views

Why my disk elevator is set to “deadline”

I have CentOS 6.x Linux server with kernel 2.6.32-573.8.1.el6.x86_64. I did some checks today and I found that disk elevator is "deadline". [root@srv ~]# cat /sys/block/sda/queue/scheduler noop ...
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2answers
49 views

CentOS 7.2 Azure VM - MariaDB/Apache killing memory

I have an Azure VM with CentOS 7.1, Apache 2.4.6, and MariaDB 5.5. The VM has 2 cores and 3.5 GB RAM. The server is only hosting a small WordPress site with almost no traffic. For the past two days, ...
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24 views

Cant change user quota on xfs partition

I cant change user quota even command exit status is 0. Used: xfs_quota -x -c 'limit bsoft=1024m bhard=2048m 56a4d3057ec81767ebe0415b' / Also used webmin interface to update user quota but on ...
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33 views

Unable to bind a large Ipv6 block in Centos 7

I have ipv6block xxxx:xxxx:xxxx:xxxx::/64 block to bind to my interface on centos 7. I have tried to use: ip route add local xxxx.xxxx.xxxx.xxxx::/64 dev lo That was according to the anyip ...
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0answers
27 views

linefeed in bash script - to email [migrated]

I am doing printf to a logfile and having that logfile send through mailx, however, it seems that the linefeed "\n" are not recognised or captured in the mail. Snippet of script as below (notice the ...
0
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1answer
25 views

logrotate frequency - when and from when

if have lograte in my daily cron /etc/cron.daily/logrotate -- assume cron.daily is run at 1.05am daily and if my logrotate config has a weekly settings Does it means that my logrotate will ...
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0answers
3 views

CentOS 7 Minimal Installation on Hyper-V: X11 forwarding using Xming and PuTTy error, xhost: unable to open display “:0.0” [migrated]

Before telling me that there are a lot of post relates to X11 forwarding error, let me put you in context of the things that I have done: I have installed the following packages: yum install -y ...
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1answer
21 views

How did mailman add itself to all virtual hosts?

I'm trying to install and configure Mailman on a CentOS server and encountered something weird. I installed mailman (2.1.9) using the package provided by CentOS (5.11). I use the server to host ...
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9 views

Is it possible to setup a range of secondary IPv6 addresses in Centos? [duplicate]

Rather than declaring secondary IPV6 addresses one by one in the ifcfg-* file, and get a very long IPV6ADDR_SECONDARIES="...." line, it is possible to declare a range of IPv6 address with a /prefix ...
0
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1answer
13 views

When triggered, run script at top of the hour

I have a service that must be started at the top of the hour, any hour. Whenever that service goes down (during a reboot, etc) PRTG Network Monitor will know. PRTG has the ability to run a script when ...
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0answers
13 views

Permanently enable a SCL

Is there a way that I can permanently enable a SCL? I've installed rh-php56, and I would like to make sure that it is loaded every time I ssh into my machine. I am currently running CentOS 7.
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1answer
26 views

can access virtualhost locally on the same server but cannot access on remote machine

A pretty wired problem occured when configure a virtualhost at port 81. When I use command curl 123.123.123.123:81 or curl localhost:81 in the same server, it got response. While when I access it ...
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1answer
31 views

Centos requires me to change my password while I'm using private keys

I tried to login to my remote CentOS server using my private key and I was surprised to get this message : There were 29031 failed login attempts since the last successful login. After that it ...
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0answers
60 views

yum halts after installing 7 packages on centos container

I was curious about containers, so decided to give it a try. Prepared a server as host with a fresh install of CentOS 7, installed lxc and lxc-templates and configured a bridge interface. I've ...
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1answer
35 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 ...
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3answers
70 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 ...
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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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29 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 ...
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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 ...
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0answers
43 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 ...
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1answer
27 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 ...
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1answer
20 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 ...
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1answer
35 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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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
46 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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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 ...
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0answers
93 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 ...
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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 ...
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3answers
272 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 ...
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1answer
28 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 ...
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0answers
20 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 ...
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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 ...
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0answers
42 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 ...
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0answers
34 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
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1answer
31 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 ...
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1answer
27 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
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1answer
13 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 ...
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0answers
37 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 ...
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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 ...
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0answers
48 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 ...
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0answers
26 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 ...
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0answers
25 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 ...