2
votes
2answers
12 views

Puppet: How to set line order within a file?

Linux servers in my company are managed by Puppet. There's a DNS module which configures /etc/resolv.conf on all servers based on physical location which is configured as a facter value. As you know ...
0
votes
1answer
4 views

How do I forward IPv6 to IPv4?

I am testing a LAN network that will be based on IPv6, but without IPv4 support, i cannot connect to other networks. Can I confirure a router to forward IPv6 requests from local network (LAN) to IPv4 ...
0
votes
0answers
4 views

App-engine instance hours seem way too high

I have a small app hosted on GAE with 2 modules. The default module, frontend is alotted 28 instance hours. The backend is using basic_scaling: so only has 8 instance hours available. I noticed that ...
0
votes
0answers
3 views

where is naxsi api documentations?

there is over 10 python files under naxsi (nginx WAF) api folder that supposed to be tools for generating white lists, but there is no documentation for setting up these tools is there anybody who ...
0
votes
1answer
9 views

How to add new DNS entries for website

I have a registered site registerd under other Provider1 . I want to use it with Provider2 server for that I have changed mywebsites DNS at Provider1 hosting provider. second step I have create A ...
0
votes
0answers
12 views

How to select the best parent server automatically?

I have configured a squid proxy server which has many parent servers. I have distributed the load using round-robin but I don't like it. Most of the time only one or two servers are working out of 5.I ...
1
vote
0answers
4 views

linking a local windows git repository to the aws linux git server

I want to create a git server on my aws linux server so that whenever I want to update my website in the public_html I dont have to manually transfer files to the server, I want to make use of git, ...
0
votes
0answers
7 views

nginx http -> https redirect adding extra comma with the host name

I have a server that should always serve https and I try to make nginx automatically redirect from http to https. reading other questions on this subject here, I wrote the following config: server { ...
0
votes
0answers
5 views

spamassassin fails start due to no rules, sa-update does nothing?

After upgrading my server to Debian Jessie, spamassassin no longer starts. Logs and such below: Invoke spamassassin using systemctl $ sudo systemctl status spamassassin ● spamassassin.service - ...
0
votes
0answers
5 views

BIND DNS to DNSSEC Converting Forwarder

I have an internal only DNS server running on BIND 9.8.4 on Debian, this recurses and caches all queries other than internal domain (ourdomain.lan) to OpenDNS. What I am hoping to do is to have all ...
0
votes
0answers
2 views

NAT with IPFW in FreeBSD without divert

I'm using IPFW and trying to do NAT on my LAN (FreeBSD 11). I'm following https://forums.freebsd.org/threads/ipfw-nat-setting.46929/ but I can't get it working. The FreeBSD manual uses divert which is ...
0
votes
1answer
12 views

RHEL Server stuck boot screen on VMware “Wait. Wait”

I keep getting this "wait, wait.." at the message log on my RHEL 6.4 installed on VMware workstation. UPDATE: New screenshot after I removed 'rhbg quiet'
0
votes
0answers
5 views

How to backup MySQL (MariaDB) database on dedicated servers to AWS (S3 Object Storage?)

We have a 180GB dedicated production server, which we currently backup daily using Percona xtrabackup to a backup server in our rack. We're looking at moving our backups (not the database itself) to ...
0
votes
1answer
10 views

Serving my index.html file directly from nginx in socketio proxy

My current nginx.conf file looks like this. upstream socket_nodes { ip_hash; server 127.0.0.1:8080; server 127.0.0.1:8080; server 127.0.0.1:8080; server 127.0.0.1:8080; } server ...
0
votes
1answer
15 views

IP Address secondary transpose

I am bit new to cisco and I have assigned 5 static IPs to my serial interface 0/0. I have NATed email in via one of the secondary IPs to the server. However, when I try to send mail out it's sending ...
1
vote
0answers
4 views

How can I view n_lru_nuked in varnish 3.0.5?

I'm trying to monitor varnish cache evictions and can't seem to find out how to view the n_lru_nuked counter on varnish 3.0.5. varnishstat isn't finding the counter: $ varnishstat -f ...
0
votes
0answers
6 views

Resetting mysql password on EC2 Amazon Linux [on hold]

Been fighting with resetting the root password for mysql on Amazon Linux. Version: mysql Ver 14.14 Distrib 5.5.42, for Linux (x86_64) using readline 5.1 When installing, I decided it would be ...
0
votes
1answer
12 views

Windows services privilege separation

When looking at the non-Microsoft services on my computer, most of them are executed as the account SYSTEM. Is there a mechanism in Windows that prevents any service running as SYSTEM from ...
0
votes
0answers
14 views

How to implement Wikipedia's long URL redirection logic?

Does anybody know how Wikipedia implements their long URL to short URL redirection logic? I'm not talking about being able to write both http://example.org/wiki/Page_Title and ...
-4
votes
0answers
12 views

Cisco Firewall Configuration [on hold]

interface Vlan1 nameif inside security-level 100 ip address 192.168.0.254 255.255.255.0 ! interface Vlan2 nameif outside security-level 0 ip address 78.188.96.150 255.255.255.252 ! interface ...
0
votes
0answers
7 views

OpenVPN: Mac client not connecting to Xubuntu server

(Edit: left out main paragraph, this should fix it) I've been trying to configure a VPN connection between a server running on Xubuntu 14.04, and the client running on Mac OSX Yosemite with no luck. ...
1
vote
0answers
11 views

How do I fix a non-starting “Microsoft Key Distribution Service”? (not to be confused with Kerberos KDS)

The Microsoft Key Distribution Service is not starting on my DC (kdssvc.dll) and when I look at the event log under Microsoft\Kdssvc, I see the events: Event ID 4001 Group Key Distribution ...
1
vote
1answer
8 views

BIND server has tons of “no valid RRSIG” errors

I have a forward-only BIND9 server running on the LAN and it logs hundreds of errors per day like: Aug 29 18:38:29 nuc named[850]: error (no valid RRSIG) resolving 'ubuntu.com/DS/IN': 75.75.75.75#53 ...
0
votes
0answers
14 views

Remove active directory certificate services role

I have logged in as Administrator to my windows 2012 server. I just installed active directory certificate services role, now I want to remove it (as this service prevents me from adding my server to ...
1
vote
1answer
5 views

ufw port forwarding not working

I'm trying to set up an ubuntu 14.04 server as a router that also does some port forwarding. I've got the router part working but cannot for the life of me figure out why the port forwarding isn't ...
2
votes
0answers
18 views

ZFS - zfs destroy snapshot during zfs send incremental

How does zfs handle destroying snapshots during an incremental send? Example: 2 servers using ZFS: zfshost1 [root@zfshost1~]# zfs list -t snapshot NAME ...
0
votes
0answers
10 views

Spamassassin always says ALL_TRUSTED

So I've got a mail relay (Postfix/amavis/SpamAssassin) running that seems far too lenient on spam and I'm trying to diagnose why. Some background: we provide internet service to hotels and similar ...
0
votes
0answers
8 views

EC2 + Cloudflare not working

[I speak Portuguese, English is not my native language - sorry for errors of writing.] I'm trying to set up Amazon EC2 with Cloudflare to more than one day. Already added all the information NS ...
0
votes
0answers
8 views

Fastest cloud server to commission [on hold]

I'm building a web app that will require one dedicated server per instance to run a program for short (10 minutes to an hour) periods of time on demand. For cost purposes -- especially in the ...
0
votes
0answers
11 views

When Upgrading My 3.5" HDs To SSD HDs Can I Continue To Still Use RAID 1 (MIRROR)?

I'm upgrading my old 3.5" HDs to a set of SSD HDs. I currently run a RAID 1 (MIRROR) array for the 2 old drives (just in case) and want to know how I should rollout the new SSD drives... I have been ...
0
votes
0answers
8 views

How to troubleshoot an invalid cached response

I've a Google Cloud Engine instance with Suse Linux 13.2 with original network config and without any configured proxy. And I've a problem with an invalid CACHED response I receive from a server. ...
0
votes
0answers
6 views

Overwriting OS disk with dd gives kernal panic error

I am attempting to replace the main hdd windows server OS with Ubuntu Server. However Gparted cannot create a new partition as it is corrupted. end of file while reading argument invalid the primary ...
-2
votes
1answer
36 views

Is it better to hire a system administrator or do it yourself? [on hold]

I previously asked a question on here asking the risks in hiring a sys admin to secure my server. I got some great answers, I appreciate them. What I want to know is, to eliminate the risks Should I ...
2
votes
1answer
14 views

Dovecot SSL: “unknown state”

Two weeks ago I set up a Mailserver using Dovecot and Postfix. It's a server for a organization with about 5000 mails per day. Everything works fine, but today I enabled verbose_ssl in ...
0
votes
1answer
14 views

The Certificate Authority Service is installed on this computer

I'm trying to add my windows server 2012 to a domain but the "Change" button in the "computer Name" tab of the "System Properties" is disabled with a note: Note: The Identification of the computer ...
1
vote
1answer
11 views

Can't start nginx: “code=exited, status=1/FAILURE”

I've just installed nginx on Debian Jessie, and I can't start it: $ sudo /etc/init.d/nginx start [....] Starting nginx (via systemctl): nginx.serviceJob for nginx.service failed. See 'systemctl ...
0
votes
0answers
4 views

openstack installation on vmware

I've successfully installed OpenStack on a virtual machine Ubuntu 14 desktop on vmware workstation and there are 2 different installation methods; cloning the repository or using sudo apt-get ...
-3
votes
2answers
29 views

Modifiying a server securely

I wanted to purchase a dedicated server to host my site. I am a newcomer to this and wanted to know if I hired someone to secure the server and SSH for me, will that put me at risk? Or is there an ...
0
votes
0answers
14 views

CentOS 7 on XenServer 6.5

I am having problem trying to get CentOS 7 Graphical installer to work on XenServer 6.5 (Service pack 1). I have used CentOS 7 template. Graphical installer does not work, getting blank screen with ...
2
votes
1answer
27 views

Upgrading MongoDB 2.x replica set to 3.x

I have a MongoDB replica set consisting of two database nodes and one arbiter. I want to upgrade the replica set by launching new, larger instances (Google compute engine), installing MongoDB 3, then ...
-2
votes
0answers
10 views

Reconfigure Ubuntu from router to server behind router [on hold]

Ubuntu 14.04 originally set up as gateway/router behind a cable modem. I have several services on it that were accessible from both inside the network it created and outside using a FQDN along with ...
1
vote
1answer
24 views

Windows Server Applicaton Administration Best Practice [on hold]

I've recently switched from using a linux server for private hosting (things like a WebServer, Teamspeak, Gameservers etc.) to a Windows Server 2012 R2 machine. Under Debian I installed my services ...
2
votes
2answers
77 views

SATA vs SAS vs SSD for Virtual Machine Automation

We're using SCVMM and Hyper-V hosts to manage our Automated VM environments. Currently we have two servers with 3 7.2k consumer drives each (one for host OS/Storage, two for VMs). It's hard to say ...
0
votes
0answers
46 views

Why is grub not booting from 2nd drive? - boot info says “no valid partition table found”

My volumes look like this /dev/xvda1: LABEL="cloudimg-rootfs" UUID="d4f2aafc-946a-4514-930d-4c45e676f198" TYPE="ext4" /dev/xvdf1: LABEL="permaroot" UUID="afb7e502-ad08-4d6a-8701-2c05863f958e" ...
0
votes
3answers
51 views

Are there any reasons why we should not block unencrypted service ports for mail such as 25,110 & 143?

I want to block smtp 25, pop 110 & imap 143 and only use secured smtps 465, pop3s 995 & imaps 993. Are there good reasons to let port 25,110,143 open?
1
vote
0answers
12 views

Use different client IPs with mod_rewrite and mod_remoteip

I have a reverse proxy that my site points to to help with DDoS protection. I have mod_rewrite set to use a specific header provided by the reverse proxy in order to pull the actual client IPs instead ...
2
votes
0answers
17 views

Is there an extension of host to host ipsec to a many-many configuration?

Having a typical host to host transport mode ipsec configuration, conn appserver01-to-swift01 leftid=@appserver01.server.com left=10.133.176.246 leftrsasigkey=xxxxxxxxxxxxxxxxxxxxxxxx ...
1
vote
0answers
9 views

fdisk and parted won't work on a USB stick with Fedora 23 alpha 2 x86_64

So I burned a Fedora 23 alpha 2 on a 16GB USB stick through dd if=path/to/fedora.iso of=/dev/usb_device bs=512 I used bs=512 because the sectors on the stick are 512 bytes. Opening the stick in ...
0
votes
0answers
8 views

journalctl access for non-root users

The journald documentation says that adding a user to 'systemd-journal' group or 'adm' group allows the user to access system-wide journal. I'm running the latest CentOS 7 and I seem to have problem ...
0
votes
0answers
9 views

How to enforce dnsmasq to use internal dns for apex domain

We host example.com at Amazon and use Route 53 which works well outside VPN. From inside VPN we need to access to multiple internal subdomains, such as test.example.com, dev.example.com etc. which ...

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