Greatest Hits

5
votes
4answers
19k views

Is there a built-in command-line tool under Windows like wget/curl?

I come from a Linux/Unix background and I have been wondering if Windows has a binary that can download files from the console. I would like to automate a certain process and one of my requirements ...
1
vote
2answers
6k views

Emails not being delivered to server from certain mail servers: “domain has no valid mail exchangers”

I'm having trouble with a server that I administer. I've been told that a number of emails aren't coming through. These are consistently from certain people. Here's the bounce error that they ...
11
votes
4answers
30k views

With SQL Server (2008), can you grant create table permission within a schema?

Working with security in SQL Server 2008, I'm trying to grant a user CREATE TABLE permissions, but only within a specific schema. Does CREATE TABLE permission only apply at the database level? Can I ...
8
votes
1answer
17k views

IIS 404 error where file exists

I have a fresh VPS installation from my provider (Windows 2008 R2, IIS 7.5). The default web site works fine: http://5.9.251.167/ I created a new website, and binding for http://new.ianquigley.com ...
3
votes
3answers
35k views

Allow Domain Users to install software on their computers

How would I go about allowing a 'domain user' to install software on their computer. I have active directory and group policy in place. Is there a setting in group policy that would allow this? I ...
11
votes
2answers
20k views

How to enable iptables (instead of firewalld) services on RHEL 7 and Fedora 18?

The newest fedora has firewalld as new firewall aplication. I liked old iptables services. I want them back but have no idea how to do that. I have tried : systemctl disable firewalld.service ...
0
votes
2answers
8k views

Warning session start - cannot send session cache limiter - headers already sent

I'm having a slight problem and I hope you may be able to help me. I'm not a programmer or a coder but I just want to fix some troubles with my project. Here is the context. I need to install and use ...
3
votes
2answers
10k views

What's the best way to see logged in users on Windows Server 2012?

Right now I use a powershell script to see the currently logged in users. But I don't see if there session is idle, active or inactive. I can see when the session was started but that's it. Is there a ...
6
votes
3answers
25k views

iptables - Target to route packet to specific interface?

My home server has two main interfaces, eth1 (a standard internet connection) and tun0 (an OpenVPN tunnel). I'd like to use iptables to force all packets generated by a local process owned by UID ...
0
votes
3answers
12k views

The CATALINA_HOME environment variable is not defined correctly This environment variable is needed to run this program"

I have installed JDK 7 and tomcat 7 and set the following environment variables: PATH: ......C:\Progra~1\Java\jdk1.7.0_51;F:\apache-tomcat-7.0.52-windows-x86\apache-tomcat-7.0.52\bin; CATALINA_HOME: ...
0
votes
3answers
9k views

Hyper-V Manager can't connect to Windows Hyper-V Server 2012 R2 Core

A short overview: Server running Windows Hyper-V Server 2012 R2 Core "Adama", up to date Core is accessible via RDP Running VM with Windows Server Essentials 2012 "Apollo", also up to date and ...
4
votes
2answers
7k views

Set default wallpaper for all users in Win7?

I'm looking for a way to standardize the default wallpaper on all PCs that get imaged and deployed to employees. We want to set a company wallpaper as part of the imaging process but we do not want ...
3
votes
3answers
17k views

Excessive 'TCP Dup ACK' & 'TCP Fast Retransmission' causing issues on network. What's causing this?

I'm getting excessive TCP Dup ACK and TCP Fast Retransmission on our network when I transfer files over the MetroEthernet link. The two sites are connected by one sonicwall router, so the sites are ...
20
votes
5answers
34k views

Clear the Recycle Bin For All Users in Windows Server 2008 R2

What is the proper way to clear the recycle bin for all users in Windows Server 2008 R2?
13
votes
5answers
32k views

How to enable TLS 1.1 and 1.2 with OpenSSL and Apache

In light of a growing number of security issues, such as the newly announced Browser Exploit Against SSL/TLS (BEAST), I was curious how we could go about enabling TLS 1.1 and 1.2 with OpenSSL and ...
7
votes
3answers
17k views

How to find the cause of locked user account in Windows AD domain

After a recent incident with Outlook, I was wondering how I would most efficiently resolve the following problem: Assume a fairly typical small to medium sized AD infrastructure: several DCs, a ...
8
votes
5answers
30k views

How to resolve FTP Error “Failed to retrieve directory listing” for Administrator account in IIS 7.5

Using my administrator account, I FTP connected to my IIS 7.5 FTP Site with FileZilla. I was able to successfully upload a file, but I keep getting a "Failed to retrieve directory listing" in ...
14
votes
1answer
22k views

What value of thread_cache_size should I use?

I'm using Asp.Net together with MySQL. In the .Net connection string, I have set Max Pool Size to 150. If I run the following I get these values: SHOW GLOBAL STATUS LIKE 'max_used_connections'; ...
7
votes
10answers
42k views

Identify machines connected to switch

Our company recently closed down half our office space, which was not being used. We gave back the unused space to the building management and had it walled off. Prior to us closing it off, I jotted ...
3
votes
2answers
8k views

phpMyAdmin Error - The configuration file now needs a secret passphrase

I keep getting an error "The configuration file now needs a secret passphrase" after installation of phpmyadmin. I have set the passphrase and also followed the instruction presented on phpMyAdmin not ...
2
votes
3answers
9k views

nagios nrpe unable to read output

I'm trying to use check_nrpe to check on a remote server, but it's not working and I can't figure out what am I missing... # /usr/lib/nagios/plugins/check_nrpe -H XXX -c check_load -a 6,5,4 8,7,6 ...
4
votes
1answer
31k views

HP DL160 G6 memory PC3-10600R vs PC3-10600E

I am using a HP DL 160 G6 server that according to specs takes PC3 Registered or Unbuffered. When I combine the two types of memory below the system will not POST. When I use just the first type of ...
3
votes
1answer
8k views

Enabling SHA2 Certificate Support on Windows Server 2003

A little background information first. I have an SSIS package that runs inside a Windows Server 2003 SP2 32 bit environment. The package recently started failing with the following error during a ...
4
votes
1answer
7k views

Postfix: Recipient address rejected: User unknown in local recipient table, even though recipient domain is an external domain

In my company infrastructure, I have an internal mail server with postfix whose name is, say, srv-internal.central.mydomain.tld with internal IP 10.10.128.200. For exchanging mails with the Net, it ...
6
votes
4answers
24k views

CentOS: eth0 not starting on boot

Whenever I reboot a CentOS Hyper-V VM, eth0 does not start automatically. All I need to do is perform ifup eth0 and all is fixed, but that isn't feasible from ssh! I am starting in runlevel 3. ...
7
votes
1answer
42k views

NMAP: Check if port 80 and 8080 is open

In our company, I want to check if users are running web servers on port 80 and 8080. I downloaded nmap and ran this command: nmap -p 80,8080 192.168.1.0-255 I got a list of IPs and tried to ...
16
7
votes
9answers
48k views

How can I map a SFTP to a Drive, natively in Windows

Today I saw that Vista and Win7 (which I am using) have the option to map ftp natively, according to this article: http://cybernetnews.com/cybernotes-map-a-ftp-to-a-drive-in-windows/ But I need to ...
8
votes
1answer
34k views

What does “net_ratelimit: 44 callbacks suppressed” mean on a linux based router?

I'm trying to tune Snort performance on a Debian based router. I was seeing stuff like: snort packet recv contents failure: No buffer space available So I upped the buffers to 8M and when that ...
1
vote
2answers
14k views

Minimum Number of Port need to Open between Windows Client & Domain Controller Only

I just want to know, which port need to be open if i place firewall between Windows Client ( XP or 7 ) and Domain Controller ( Window Server 2008 R2 ) Please note it is between Client and DC and not ...
1
vote
5answers
10k views

Export virtual machine list

I'm doing an inventory of both our physical and virtual machines. I'd like to export a list of virtual machines from vCenter instead of having to type everyone into a spreadsheet. Anybody know of an ...
5
votes
1answer
17k views

Why does WireShark think this frame is a TCP segment of a reassembled PDU

Please find a small pcap file here illustrating my problem. I have a three-way TCP handshake, followed by two FIX logons. (FIX is a protocol used in trading.) The first FIX logon (frame 4) is ...
1
vote
1answer
11k views

Telnet Results in “Connection closed by foreign host”

I'm not a networking guy, so I apologize if my question is dumb. I have two Ubuntu machines setup on Amazon EC2. I need to "talk" from one to the other via port 9300. On my receiving machine, I ran ...
0
votes
2answers
7k views

MySQL remote connection - Access denied for user 'username'@'localhost' (using password: YES)

I am setting up a remote connection to a MySQL server but no matter what I try I am getting access denied error from the remote server. I added the user by: CREATE USER ...
4
11
votes
6answers
49k views

How to lock down Windows XP for use as an internet kiosk?

One of our clients, whose website we built, is a manufacturer of ultra-high-end bicycles. They would like to distribute kiosks -- basically, locked-down Windows XP boxes from Dell -- at some of their ...
5
votes
3answers
14k views

How to install Mysql 5.6 on Debian 7 wheezy

I'm trying to install Mysql 5.6 on Debian 7 Wheezy.. After installing the mysql database/folder /var/lib/mysql/mysql is empty # groupadd mysql # useradd -r -g mysql mysql # apt-get install libaio1 # ...
4
votes
1answer
14k views

What exactly does netsh int ip reset reset?

Having got this problem and found this solution I think I should perhaps try netsh int ip reset reset command but I am afraid it can reset some important settings and disable me from reaching the ...
6
votes
3answers
26k views

What's eating my drive space when normal files + hidden + system doesn't equal total drive space used

This is very strange. All directory sizes are normal, and all other folders are within 20GB of what they should be. The discrepancy is that I can’t locate the files that are consuming 150GB of ...
1
vote
1answer
9k views

OpenVPN connected but not internet access on the client

I've setup OpenVPN following this tutorial, and everything works fine except that I don't have an internet connection on the client while connected to VPN. ...
4
votes
4answers
27k views

Cannot login to SQL Server 2008 R2 with Windows authentication

When i try to connect to SQL Server (2008 R2) using Windows authentication: i cannot: Checking the Windows Application event log, i find the error: Login failed for user 'AVATOPIA\ian'. ...
4
votes
0answers
11k views

svchost.exe -k netsvcs occupying >1GB memory

I have noticed my production server "svchost.exe -k netsvcs" is occupying >1GB ram memory, steadily, which I think is a bit excessive. This is what tasklist /svc will give me for this process: ...
44
votes
7answers
7k views

Why do we still use power supplies on datacenter servers?

Computers mainly need three voltages to work : +12V, +5V and +3,3V, all of them are DC. Why can't we just have a few (for redundancy) big power supply providing these three voltages to the entire ...
9
votes
8answers
31k views

How do I install PHP 5.3 on CentOS?

I have to install PHP 5.3 on my CentOS server. If I do yum install php, the base repository installs 5.1.6 which is too old for the applications I need to install. So I've been trying to use the IUS ...
1
vote
1answer
4k views

Nginx error: “Primary script unknown” while reading response header from upstream

I have installed Nginx 1.6.2 with PHP-FPM (PHP 5.5.18) under CentOS 6.6 server. I didn't touch nothing else but /etc/nginx/conf.d/default.conf file where I made some changes (see below): server { ...
1
vote
3answers
11k views

'The'account is not authorized to login from this station' error while trying to acccess network share

Clients are getting this error when trying to access network shares on one of our 2008 R2 servers: The account is not authorized to login from this station. The problem started a few weeks ago. ...
5
votes
4answers
22k views

How to enable all HTTP methods in an Apache HTTP Server

How can I enable the handling of all HTTP methods as defined in RFC 2616 on Apache web server ? These would be: OPTIONS GET HEAD POST PUT DELETE TRACE CONNECT I am using the Apache HTTP Server, ...
11
votes
3answers
4k views

Protecting against POODLE SSL on stunnel

How can I mitigate POODLE SSL vulnerability when using stunnel as HTTPS reverse proxy?
1
vote
4answers
12k views

Windows Server 2012 R2 prevent automatic logoff due to inactivity

I have a stand alone windows 2012 server R2 that i log on to locally. it is not part of a domain and it is the standard install configuration with no policies enacted. The server logs off the desktop ...
13
votes
2answers
31k views

Upgrade CentOS 5.x to CentOS 6.x - tips and techniques

Now that CentOS 6.0 is making its way to the various mirror sites, I wanted to solicit opinions on the upgrade process. In working with the commercial RedHat 5.6 and 6.x distributions for the past few ...
6
votes
3answers
21k views

Where is the sshd log file on Red Hat Linux stored?

Can someone please tell me where to find the SSHD log on RedHat and SELinux.... I would like to view the log to see who is logging into my account..
1
vote
3answers
40k views

How do you move Exchange 2007 Public Folders to Exchange 2010?

I'm upgrading my organisation's Exchange set-up from 2007 to 2010 (by provisioning a new server with 2010 on, moving the mailboxes across, then decommissioning the 2007 server). The move went by ...