0
votes
1answer
25 views

VM load and ping problems after replacing server motherboard

Recently, we had to replace the motherboard of one of our servers. The procedure was done by IBM as it had guarantee. The server runs ESXi 5.1, with several virtual machines, including our main mail ...
1
vote
1answer
680 views

Install apache 2.4 on debian wheezy

I have a debian and when i try to install apache2.4 with apt-get update apt-get install apache2 I have the version 2.2, anyone know how to install the 2.4 ?
3
votes
1answer
2k views

WMI filter for Internet Explorer 10+

I need to apply a GPO on all machines with IE 10+ but the setting does not need to be and shouldn't be applied to ie 9. All the machines are Windows Vista, 7, and 8 (some 32 bit and others 64). I ...
-3
votes
0answers
19 views

Because when I open ports with iptables appear closed

I opened the following ports with iptables on Debian 7: iptables -X iptables -F iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT ACCEPT iptables -A INPUT -m state --state ...
-1
votes
0answers
3 views

locate mail queue on apache/debian

If I execute mailq I get a long list of queued emails. And I would like to remove all. But: - the superpost command does not work (postfix not installed?) - I read that I can delete manualy in ...
0
votes
0answers
3 views

Override PHP options with .htaccess, DSO works (suPHP doesn't)

I am using .htaccess in a sub directory as below: php_value apc.cache_by_default 0 But this throws an error, if i use DSO, then it works. I understand with suPHP I have to ovveride with a php.ini ...
1
vote
2answers
21 views

Debug unstable Apache server under Debian

Since yesterday my Apache server that runs on a Debian machine runs very unstable. Sometiems my websites load and sometimes not. I think it has to do with the memory since my Apache log is full of ...
0
votes
0answers
4 views

How to troubleshooting wireless network issue with ip-network falling periodically?

All wireless clients some times a day can't see anybody in the network: no AP (ping or web-interface), no Internet-access, no each other, but Wi-Fi signal is ok for them. In the same time ...
-1
votes
1answer
15 views

Host CPID, Geast CPUID and UserCPUID / what are they?

i found out that there are some IDs associated to the CPUIDs in vmx file of each virtual machine, these IDs are; hostCPUID.{Num} hostCPUID.80000001 guestCPUID.{Num} guestCPUID.80000001 ...
0
votes
0answers
2 views

Tomcat aplication status shows AJP threads busy for long time

We are running a JEE application inside a Tomcat 7 container on a machine with Windows SO. Sometimes, the application response time become really bad and a little after that app freezes and a tomcat ...
0
votes
1answer
3k views

Exchange 2010 remove Arbitration mailbox and mailbox store db

I have a problem with Exchange 2010 which is a nightmare for me. The problem is, that in Exchange management console i have several store databases in database management tab. only one is mounted, ...
-6
votes
2answers
20 views

How do internet time severs work? [on hold]

A naive time server would simply send the current time to a client in response to a request. However, by the time the client received the response the time would be inaccurate. How does NTP avoid ...
0
votes
1answer
11 views

How to get reverse DNS to work for multiple IPs and domains on Windows Server EC2 instance?

I have a EC2 instance setup running hMailServer. I have a primary IP on the system that I am using for example1.com email. I would like to also add a second domain example2.com using a different IP ...
0
votes
0answers
7 views

PHP only processing 1 request/execution at a time [duplicate]

I recently installed nginx and PHP to a windows server I want to use as webhosting. My problem is that I have a script that takes a very long time to run when a user executes it (1-2 mins), and it ...
0
votes
1answer
980 views

How can I limit Asterisk's Chanspy feature to certain channels?

I'm using a standard config of Asterisk 1.4 with FreePBX using the chanspy feature code. I want to restrict what channels it is possible to spy on, ideally doing this in a .conf file. How would I do ...
2
votes
2answers
4k views

AclPermissionsFacet fault install SQL-2008-R2

While attempting to do an installation repair of SQL-2008R2, I'm failing the pre-check rules. Module that is failing is AclPermissionsFacet - with this message "The SQL Server registry keys from a ...
-5
votes
1answer
24 views

Update OpenSSL in CentOS release 5.1 [on hold]

I want to upgrade to a stable version of OpenSSL on my Centos 5.1 but I do not want to affect other services to upgrade, which would you recommend? Centos 5.1 x86_64 GNU/Linux with OpenSSL ...
0
votes
2answers
2k views

Start and shutdown tomcat via ssh

Updated I find out that the path of jdk it using is wrong. eval: 1: /opt/Java/jdk1.6.0_25/jre/bin/java: not found the Java should be lower case java, how is that happen? When I run this script ...
0
votes
0answers
3 views

Is there a way to get current txqueue utilization on e.g. eth0 or tun device?

I have detected drops on my tun0 interface. They seem to have been caused by low txqueuelen setting. Now as I increased the txqueuelen value for the network device and there are no more drops yet - ...
1
vote
1answer
9 views

Amazon Security Groups: Change Inbound SSH Port

How can I change the Inbound SSH Port on my Amazon Security Group? When adding a new rule for SSH, the Port defaults to 22 and cannot be edited. Is this possible? Please note: This question is ...
0
votes
0answers
6 views

Squid limit all user to 128kbit/s

I have a very odd behaviour with my squid server. It limits every client to a bitrate of exactly 3,2 Mbit/s... To troubleshoot it, I've tried to set the bitrate limit to unlimited and to 128kbit/s ...
0
votes
0answers
8 views

How do I bind Isilon clusters to dsee7 using ldaps?

It's trivial to make the Isilon talk to my ldap servers unencrypted but I'm mostly clueless regarding the Bind To: and password fields. We're using TLS to secure LDAP on the Linux clients . . . not ...
1
vote
0answers
4 views

JVM process resident set size “equals” max heap size, not current heap size

After a few reading about jvm memory (here, here, here, others I forgot...), I am expecting the resident set size of my java process to be roughly equal to the current heap space capacity. That's not ...
0
votes
0answers
3 views

automated bug reporting tool always says “invalid password or login” [migrated]

Every time I get an ABRT bug in Fedora 20 and I try to report it, I have to enter my BZ login/PW again. How do I setup ABRT so that it saves my ID/PW and/or just logs in and reports my bugs when I ...
2
votes
2answers
172 views

Exchange 2010 allows outside access to network files

One of our users discovered by accident he could access our network files from his smartphone while at home. No VPN needed. He was sent an email with an internal link to a network share on his ...
2
votes
0answers
12 views
+50

Training a spam filter based on Mailman moderator's actions?

I'm planning a Mailman server, and looking for a good way to enable list moderators train a spam filter (likely to be either spamassassin or dspam). Has anyone come up with a good way to run training ...
0
votes
0answers
9 views

Connection failed between Windows Servers

I'm setting up an infrastructure based on Windows Server 2012. The firewall is turned off and I can't access the Domain controller to check for the group policy. I'm experiencing some connection ...
32
votes
11answers
13k views

iptables Tips & Tricks

I'm sure Linux sysadmins are quite familiar with iptables, the userland interface to the netfilter packet-filtering framework. Now, this "Question" is meant to be a Community Wiki for collecting ...
-1
votes
0answers
7 views

Xen Vif creation xl vs xm

Hi everyone, I switch my server from a xend/xm Xen install to a 4.1 xl Xen install. Therefore Xen does not create vif network interface when I launch xl create /etc/xen/my_server.cfg but does create ...
0
votes
0answers
6 views

iptables: Packet not being matched by neither INPUT nor FORWARD

How can it be, that a packet that gets matched by a mangle PREROUTING does not get matched by neither filter INPUT nor filter FORWARD? From this diagram ...
5
votes
7answers
12k views

Disk usage per user in Linux / Unix

I need to find out how much disk space is being occupied by each user on the network. I am aware of df and du commands: I could list the entire filesystem and AWK the output, but I wonder if there is ...
0
votes
1answer
756 views

using tcpdump to display XML API requests without headers or ack packets

I need assistance, I am trying to use tcpdump in order to capture API requests and responses between two servers, so far I have the following command: tcpdump -iany -tpnAXs0 host xxx.xxx.xxx.xxx and ...
-1
votes
0answers
7 views

Java: very slow tomcat and too big war file

I created some sort of RESTful API backend for a mobile app. It's written completely in Java using Jersey as Framework. At the moment no database is used, it's all in the memory, but this is no ...
6
votes
5answers
2k views

Is there any way to force my Linux box to always boot up with a self-assigned IP address?

This is perhaps an unusual request: I'm trying to get a Debian Linux box to always give itself a self-assigned IP address (i.e. 169.254.x.y) on boot. In particular, I want it to do that even when ...
1
vote
1answer
9 views

Netcat UDP File Transfer Between Two Servers Times Out?

I'm testing file transfer speeds between two Red Hat servers that are connected to the same switch within the data center and I decided to use netcat to eliminate protocol overhead as much as ...
0
votes
1answer
8 views

What do I need to consider when setting TCP idle timeouts?

What's purpose of having a [low] TCP idle timeouts? E.g., why have a 60 second timeout on a firewall or load-balancer? Is it a memory management or /performance optimization thing? Is there a security ...
3
votes
4answers
57 views

scp inside sh-script with passphrase

I've got a sh-script for a backup scp /mybackupdir/* backupuser@backupserver:/backup Is there an easy way to add a passphrase to the scp? Or do I have to check if an ssh-agent is running and if not ...
0
votes
0answers
3 views

Configuring Redhat / CentOS 5 SSH to authenticate to IPA server with public keys

I'm trying to configure some Red Hat/CentOS servers to use an ipa-server on CentOS 6 for SSH authentication with public keys. I'm storing the public keys on the IPA server, which works great on ...
6
votes
3answers
3k views

How to run VisualSVN Server on port 443 running IIS on same server?

Server 2008 R2 SP1 VisualSVN Server 2.1.6 The IIS server has about 10 sites. One of them uses https over port 443 with the following bindings: http x.x.x.39:80 site.com http x.x.x.39:80 www.site.com ...
19
votes
6answers
17k views

How do I list loaded Linux module parameter values?

Is there a standard way to list the parameter values of a loaded Linux module? I'm essentially probing for another answer to this Linux kernel module parameters question, because the module I'm ...
-1
votes
0answers
5 views

Explorer.exe not starting after changing local appdata path

Yesterday i changed the path of my local appdata since i was running low on space C:// because of my small ssd. today i tryed to open a folder and an error came up that it cant open the path (same as ...
1
vote
2answers
54 views

script to count the occurence of the particular string in the given time interval

We are trying to write a script "sendemail.sh" to count the number of occurrence of a particular string in a log file "SendEmail.log" within the given interval. We have a log file. In that we are ...
0
votes
3answers
577 views

kill a hung mount process

I have a virtual machine drive that ran out of space, so I shutdown the VM, extended the volume using lvextend. After resizing the partition (ext3), I ran e2fsck on it, and it found and corrected ...
0
votes
0answers
11 views

Two identical VPS hosts with different ways of handling file names

I have CentOS 6.5 32 bit, 512 RAM, running Nginx, PHP-FPM, Mysql on two hosts. One for local dev, running inside a VirtualBox 4.3.12 and the other running online with digital ocean. Both of these ...
1
vote
2answers
477 views

AWS VPC ELB vs. Custom Load Balancing

So I'm wondering if this is a good idea. I have a Amazon AWS VPC setup with a public and private subnets. So I all ready get the Internet Gateway and NAT. I was going to setup all my web servers ...
0
votes
0answers
10 views

Determining which database instance makes biggest IO

Assuming that I have a dedicated server on which I am running multiple instances of mysql and postresql servers. How without iotop determine which instance in particular time (proc/pid/io shows data ...
-1
votes
1answer
29 views

how to prevent other computers from seeing our network computers through vpn

We have a local office domain consisting of Windows 7 and XP machines that is running on Windows Server 2008 R2. We also have users that connect via VPN into our network. My concern is that when a ...
0
votes
1answer
16 views

Move bitlocked second drive to new system

I am to receive a new laptop, and i need to move my second physical drive to the new machine. The second drive is protected with bitlocker. I do not have admin privs on the current machine, so i ...
0
votes
1answer
16 views

Cannot Start Nginx Compiled from Source

I am trying to compile Nginx from source based on the original compiled Nginx server running on my DigitalOcean server ( Ubuntu-14.04 64x ) but with a few extra modules. I can get everything installed ...
1
vote
1answer
18 views

Cannot send email to info@ or support@

I am trying to send email from my gmail account to a couple user accounts I have on my new Centos server. The email is setup correctly and I can send receive from accounts ok except info and support. ...

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