Greatest Hits

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1answer
15k views

504 Gateway timeout / 502 Bad gateway after installing php curl - server nginx

I have (well had) a working server with nginx on board. A server (dedicated) was only used to host a drupal site. Recently we decided to host also a magento store on it and started preparation. Since ...
19
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2answers
5k views

Should I be worried that yum update suddenly wants to update well over 100 packages on my CentOS 6 system?

I get an email alert whenever there's something to update, and typically do them that day. This tends to happen most days. For whatever reason I've had no alerts since 20th July until today (I ...
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3answers
12k views

Problems with DL380 Gen9 Smart Array

I recently bought a ProLiant DL380 Gen9, i've had some trouble getting it up and running...I ran the ProLiant SPP ISO to uprade firmwares but felt the system became less stable as a result, at one ...
3
votes
1answer
20k views

Downgrade IE11 on Windows 2012 Server R2

I have setup a test environment with Windows 2012 Server R2 Std, using RDS/RemoteFX. Anyways, the server is running fine but I need to use IE 10 and not IE 11 on the server itself. I have a web ...
2
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2answers
13k views

Can't allow users to log in via SSH (Bash, OpenSSH, CentOS 6.5)

I am running a CentOS 6.5 machine remotely via SSH. I use RSA keys and have disabled password authentication. The problem that I am having is that whenever I add a new user and want him/her to log in ...
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1answer
23k views

How to install SSL Certificate on Windows Server 2012 R2 without IIS

I have a Windows Server 2012 R2 server running SQL Server 2012 with Reporting Services. I want to be able to use the Reporting Services Report Manager over HTTPS instead of the default HTTP. How can ...
4
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1answer
15k views

why adding Expire-Header to static files in nginX does not work

I have a single server block where my site resides in. Inside of that block I've added a location block as below: server { ... location ~* \.(?:ico|css|js|gif|jpe?g|png)$ { expires 30d; ...
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2answers
10k views

Windows Updates taking a long time to install

I manage a WSUS server for a large number of servers in a shared environment. Recently I noticed that despite the scheduled install time configured via the local gpo of many servers, they were not ...
1
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1answer
20k views

Install 32- or 64-bit Crystal Reports runtime on 64-bit server?

To run, our VB.NET application needs the runtime files Crystal Reports, developer version for Microsoft Visual Studio. (Support Pack SP8) We are installing our application on Windows Server 2012 R2 ...
6
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1answer
12k views

Is it possible to make Nginx listen to different ports?

I created one Nginx with one Linux Azure VM, is it possible to make nginx listen to different ports so that when I change the port number, the content would be different. I found there would be a ...
2
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3answers
22k views

Gitlab not working with SSH Keys

I am having issues with Gitlab. I used the following guide to install and configure Gitlab https://github.com/gitlabhq/gitlab-recipes/blob/master/install/centos/README.md. The installation seemed to ...
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1answer
19k views

Routing from mikrotik two IP addresses to same gateway

I have 2 static addreses (a.b.c.72/24 and a.b.c.128/24) on gateway1 and gateway2 interfaces. ISP have one gateway a.b.c.1 . I can use a.b.c.72 only on gateway1, a.b.c.128 only on gateway2. How to ...
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2answers
19k views

Domain User Account Locks: Correct password used

I have a domain (DC is running Windows Server 2008 R2) and have the Account Lockout Policy enabled. When a user attempts to log into their PC (with the correct password) they receive the following ...
5
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1answer
13k views

“SSL input filter read failed” Apache and 443

I have a little problem with my apache conf. When I read the error log, here is what I can see: [client xxx.xxx.xx.xx] AH01964: Connection to child 1 established (server www.mywebsite.com:443) ...
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3answers
14k views

Increasing ulimit on CentOS

We have a CentOS box that I'm trying to increase the max number of files that a user can have open. Currently when I run ulimit -Sn I get 1024 and ulimit -Hn gives 4096. I need that number up around ...
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2answers
15k views

How to install SVN client version 1.8 on CentOS/RHEL 6?

I'm trying to install the SVN client version 1.8 on CentOS 6. I'm using the description on http://tecadmin.net/install-subversion-1-8-on-centos-rhel/ All activities are running successful without ...
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1answer
10k views

The right way to keep docker container started when it used for periodic tasks

I have docker container with installed and configured software. There is no any programm supposed to be started/runned all the time. What I want - its ability to start some command depending on ...
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2answers
9k views

Which is better image format, raw or qcow2, to use as a baseimage for other VMs?

I am using a baseimage and based on that creating many VMs. And now I want to know which is better, qcow2 or raw to use for a baseimage. Moreover, can you please tell me if there is any advantage of ...
3
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1answer
14k views

How can I recover or restore an Office 365 mailbox of a deleted user?

We have deleted a user account (and subsequently their Exchange Online mailbox) in our Office 365 organization. We didn't feel there was a need to export their Outlook OST contents to a PST file for ...
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3answers
35k views

Run nginx as a non-root user

I followed this process to installing nginx on my Ubuntu 10.04 Lucid Server http://library.linode.com/web-servers/nginx/installation/ubuntu-10.04-lucid I got lost after the point of creating an init ...
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4answers
14k views

“sudo service nginx start” fails but “sudo nginx” works - can't figure out why

I have a server that is close to new and having a problem with getting nginx to start as expected. I have configured another server basically the same way and it works there. I figure there must be ...
6
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3answers
44k views

Write access to EVERYONE works, IUSR, IIS_IUSRS, DefaultAppPool does not work. why?

Ok. Here we are trying to set up a Classic ASP website at IIS 7.5 in Windows Server 2008 R2. There is a folder named dbc under the website's root and it has a file which is used to read and write ...
2
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2answers
16k views

Buffer I/O error on device (sata drive)

I keep getting these messages in one of my servers kernel logs (which is responsible for file operations). I wonder if anybody knows how serious are these issues. I cannot use smartmontools because ...
29
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5answers
4k views

Why does it take tens of seconds to get a shell prompt?

It's a sort of regular occurrence that, after SSHing to a server (or even opening a terminal on my Mac), the login banner prints immediately but it takes ~10 seconds to a minute for the shell prompt ...
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3answers
15k views

SMTP don't work when try to send mail from mail clinet

Mail server works fine when send mail from server, but when I use some mail client it not work. I found this in logs: Jul 12 19:45:04 tvsite postfix/smtpd[3356]: warning: hostname adsl-bb29-l44 does ...
4
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3answers
16k views

umount Device or resource busy; already tried: mount, lsof, fuser, exportfs, ps axf

As part of an automated VM creation system a block device is mounted to a temporary folder ( /tmp/whatever ) . Various scripts install and configure the VM prior to it's first run. Recently ...
6
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3answers
35k views

How to set shmall, shmmax, shmni, etc … in general and for postgresql

I've used the documentation from PostgreSQL to set it for example this config: >>> cat /proc/meminfo MemTotal: 16345480 kB MemFree: 1770128 kB Buffers: 382184 kB ...
3
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2answers
5k views

What is ADFS (Active Directory Federation Services)?

So I've been told that our PHP application may need to support authentication using ADFS. For a non-Microsoft person, what is ADFS? How does it differ to things like LDAP? How does it work? What ...
0
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2answers
11k views

Install RAID driver on HP DL380 G9

I'm trying to install RHEL 6.2 on HP DL380 G9, but the I cannot find the storage during the installation. I thought maybe RHEL 6.2 does not support HP P440AR contoller by default, then I go to HP ...
13
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2answers
7k views

What's the easiest way to make my old init script work in systemd?

I don't want to do the right thing by creating a new systemd script, I just want my old init script to work again now that I've upgraded my system to an OS that's using systemd. I've briefly ...
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2answers
14k views

Cause of Current Pending Sector and Offline Uncorrectable increase and then decrease to zero

Over the course of a week, for a 3TB Seagate drive (ST3000DM001-1CH166), smartd reported a slowly increasing number of offline uncorrectable and currently unreadable (pending) sectors, then a ...
3
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2answers
10k views

Failed to connect to the System Event Notification Service

Several end-users try and log into their Windows 7 machine, they get a message, "failed to connect to the windows notification service" and it goes to a black screen and never actually loads their ...
4
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2answers
9k views

Configuring Preferred/Alternate DNS Servers on a DNS server

I currently am running a single DNS server. If I don't set a Preferred/Alternate DNS server on the Ethernet controller and run the Best Practices Analyzer I get the following results: If I do ...
2
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1answer
11k 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 { ...
5
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5answers
28k views

Find out what high CPU usage apache process is actually doing?

Currently having a few issues with our server where, intermittently, we seem to get apache processes which just run and run, taking up 100% CPU. When running top, we see the following: PID USER ...
0
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1answer
11k views

OpenVPN Route Client Traffic Through VPN Server Tunnel

I have configured a vps following this tutorial, the server and client are successfully connected and can ping each other, server is at 10.8.0.1 and the connected client (android-OpenVPN Connect) get ...
4
votes
1answer
16k views

Installing Oracle 32bit and 64bit client on the same machine

So I need to have both the 32bit and 64bit clients for Oracle 11g coexist on the same machine. I have installed both together before, but there are many issues where applications that need to use the ...
-1
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2answers
13k views

Telnet client on redhat linux

I am trying to install a telnet client in Red hat linux server which doesn't have internet connectivity. Red hat linux version less /etc/redhat-release Red Hat Enterprise Linux Server release 6.4 ...
1
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3answers
19k views

How to connect an ODBC DSN to nondefault SQL Server instance on default port?

We are migrating an SQL Server 2000 database on one server to SQL Server 2008 R2 on another server. The client application use a User DSN to connect directly to the SQL Server on the internet. I have ...
1
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1answer
10k views

SFTP Error - Couldn't read packet: Connection reset by peer

I try to configure SFTP on Centos 7, on my first server it works perfectly, but on my second server when I try to connect me with : sftp USERNAME@serveripaddress I have this error : Could not read ...
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7
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1answer
12k views

Elasticsearch is using way too much disk space

I have a CentOS 6.5 server on which I installed Elasticsearch 1.3.2. My elasticsearch.yml configuration file is a minimal modification of the one shipping with elasticsearch as a default. Once ...
6
votes
1answer
11k views

How to switch between TLS 1.0 and SSL 3.0 at Java/JRE level?

I am using java 1.6. I have setup my tomcat as my ssl enabled server. And i have setup a ssl enabled client (java code). When i do a communication from my client to server. In java ssl dump in tomcat ...
3
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1answer
12k views

LDAP authentication on CentOS 7

After upgrading to CentOS 7 it's no longer possible to login via LDAP. With CentOS 6 I used the package pam_ldap which worked fine, but now pam_ldap is no longer available for the new version of ...
4
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1answer
18k views

How to disable user's password via puppet securely?

I have my SSH servers setup to use only Public Key authentication with password authentication disabled. When adding users through puppet I would like to disable user passwords. So far I have came ...
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2answers
13k views

Network drive map through GPO not working on Windows 2012 (Neither via logon script nor drive maps)

Although I thought this would be easy I am unable to automatically connect to a network drive via GPO. I tried through a batch file on (User Configuration / Policies / Windows Settings / Script / ...
3
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2answers
10k views

HP ProLiant MicroServer Gen 8 - Hard Drive Configuration?

I have a HP ProLiant MicroServer Gen 8 box. I installed a 4tb drive and created a simple array. The raid controller saw the entire drive. I then used IP 6.1 to install Windows Server 2012 Standard. IP ...
1
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1answer
7k views

SChannel errors after enabling SSL on a Windows Server 2012 R2

I have a Windows Server 2012 R2 instance on Azure. For a new website I have ordered a certificate by GlobalSign. After getting the certificates from them I have completed the certificate request in ...
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1answer
24k views

How can I find which logon script is being run?

I'm having an issue with network drives. Suddenly some computers and users aren't getting their mapped network drives from the logon script. I am NOT a domain admin, I don't have permission to login ...
1
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1answer
17k views

pfSense routing between subnets behind OPT1 and LAN

pfSense short config summary: WAN interface is on a registered Internet block of addresses connected to ISP via fibre LAN interface has IP address 10.200.1.3/24 OPT1 interface has IP address ...
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1answer
7k views

Trouble Connecting with Cisco VPN client reason 412

I'm using Windows 8.1 trying to connect to an Office using Cisco VPN. I try to connect and after a few seconds I get this: The Secure VPN connection terminated locally by the client reason 412: ...