Questions asking for best practices in a given field. Be aware, that sometimes there might be no generally accepted best practices, in which case the question is likely to be closed for being subjective.

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19
votes
4answers
5k views

Where do companies typically store SSL certificates for future use?

We recently bought a wildcard SSL cert for our domain. We converted all of the certs to a Java keystore, but now we are asking ourselves where we should store these for later use. Do people use ...
3
votes
0answers
307 views

What is the best practise to autostart unprivileged lxc containers on Ubuntu 14.04 64bit? [duplicate]

The current implementation of the LXC technology deals nicely with an issue of starting the privileged containers upon system start.. Users of the unprivileged containers (which arguably promise ...
-1
votes
2answers
504 views

Best practices for secondary DNS in case of a single Active Directory

I have a setup with only one Active Directory (not redundant). What should be configured on the client pc's to ensure the best DNS resolution ? Currently somebody configured the IP address of the AD ...
0
votes
1answer
92 views

Setting affinity for virus protection on workstations - best practice?

Despite the modern virus protection is based on prevention by scanning network traffic and by real-time protection, many companies still have policies, that full scans must be performed regularly. ...
0
votes
2answers
98 views

Active Directory Multi Domain Enviornment

I work for a small organization which will be starting another branch of business here shortly. We have an existing active directory infrastructure and are looking to add another domain to the forest....
0
votes
1answer
201 views

How to have automatic file system checks for Linux Software Raid?

In a Linux Software raid, what is the best practice for periodically having the filesystems checked? With single drive or hardware raid, tune2fs -c 5 -i 1w /dev/sda1 means check the filesystem every ...
97
votes
18answers
11k views

What sysadmin things should every programmer know?

As a programmer, we tend to take sysadmins for granted. The few times I've been without a good sysadmin have really made me appreciate what you guys do. When we're venturing into an environment ...
4
votes
1answer
384 views

Using Public IP addresses for Private Network

I have a network that uses the 192.192.192.x network address for their private network. It looks like publicly those are IP addresses that are assigned in Taiwan. I don't think they do too much ...
4
votes
2answers
276 views

Standard Firewall and Network Change Testing Procedure

I am looking for a standard that advises on the best practice for testing of the following situations: Network Changes Firewall Changes Does any standard exist? If so, please note where I can find ...
40
votes
15answers
2k views

Should I keep my ex-employer's data? [closed]

Following my brief reign as System Monkey, I am now faced with a dilemma: I did successfully create a backup and a test VM, both on my laptop, as no computer at work had enough free disk space. I ...
23
votes
9answers
2k views

A partner wants a copy of our written IT security policy and I'm not sure what to do [closed]

My company is working with another company and as part of the contract they are requesting a copy of my company's written IT Security Policy. I don't have a written IT security policy, and I'm not ...
3
votes
7answers
677 views

DDOS Attack Victim - How much to Admit?

Here's the environment: Website that hosts a forum/journal/bboard/email/socialmedia application in walled garden (ie you pay to get to use it or are invited to do so Many Clients pay to use the site ...
6
votes
8answers
1k views

System administration standard [closed]

I have been given the responsibility to manage a team of 4 system admins. They are managing 70+ servers. They don't yet have written processes/procedures/practices. I don't much about system ...
0
votes
2answers
446 views

Where to store big data (best practices)

I am installing a fresh Ubuntu on our lab server. We have lots of massive genomes which need to be accessed by Apache www-data user. Currently I backed all the data up on external drives. My goal is ...
8
votes
3answers
671 views

What are some best practices when taking over IT at a new company? [closed]

I thought this would make for a good topic with some interesting suggestions. What are the first things you would do when taking over IT at a new organization? What are some red flags you would look ...
26
votes
12answers
45k views

Active Directory: delete vs. disable departed employees [closed]

When an employee leaves your organization, do you delete or disable their Active Directory account? Our SOP is to disable, export/purge the Exchange mailbox, and then after "some time" has elapsed (...
4
votes
1answer
845 views

Merging two companies: Best practice?

Situation: Company A purchased Company B. Offices are 40 miles apart. There are about 10 employees in each office. We want to have everyone be able to access all network resources independent of ...
2
votes
1answer
143 views

What should I do if an necessary client application has to run on an older (vulnerable) framework?

A client needs to have .NET Framework 4 installed and not patched so their software running on their Windows 2008 R2 Server functions properly. This sparks the questions: When is it okay to ...
44
votes
7answers
20k views

Best Practices in Username Standards: Avoiding Problems

I'm interested in finding out what people's experiences with standard usernames is. I've always been in places that used {firstInitial}{lastname} (sometimes with a length-limit). Now I've users that ...
56
votes
4answers
59k views

Windows Active Directory naming best practices?

After experimenting with Windows domains and domain controllers in a virtual environment, I've realized that having an active directory domain named identically to a DNS domain is bad idea (Meaning ...
76
votes
5answers
8k views

How do I protect my company from my IT guy? [closed]

I'm going to hire an IT guy to help manage my office's computers and network. We're a small shop, so he'll be the only one doing IT. Of course, I'll interview carefully, check references, and run a ...
68
votes
5answers
4k views

Choosing between meaningful and meaningless hostnames [closed]

Assume an environment with a puppet-managed cluster of different servers - various hardware, software, operating systems, virtual/dedicated, etc. Would you choose meaningful hostnames (mysqlmaster01.....
0
votes
1answer
93 views

Creating enterprise init script (to support all Linux distros)

I'd like to create my own init script to make my program start at boot and be controlled via "service" utility in most popular Linux distributions. Requirements: it should be portable across ...
0
votes
1answer
39 views

Where should the DB server be and its updates scripts should run from where?

I currently have a web application and database on the same server. I am moving the database to a new server that is spec'd for being a database. Now i have nightly scripts that run on the web ...
1
vote
1answer
207 views

Firewall Security Guidelines

I'm looking for some best practices or Security guidelines for Firewall and VPN. Trying to study a little more about network security and write a sort of decalogue (set of rules). Usefull to follow ...
1
vote
3answers
1k views

Setup Postfix as a null client?

I'm having a bit of trouble setting up postfix as a null client and have some questions. I'll be aiming to use SMTP as this is what most web applications use as a way to connect to the email server. ...
-2
votes
1answer
136 views

How do you “prevent powerful accounts from being used on unauthorized systems”? [closed]

I was browsing through Microsoft's Best Practices for Securing Active Directory and saw the chart linked which includes some of the best practices included in the document, rated by importance. At ...
5
votes
2answers
3k views

The impact of Apache graceful restarts and user experience

Is it safe to perform a graceful restart of Apache on a production server? What effects will a graceful restart cause and what would be the impact (if any)? Will there be any detrimental impacts (e.g. ...
-1
votes
1answer
53 views

IP Network Best Practice [closed]

On my On Premise network we use IP Span 172.17.101.0-172.17.103.254 I should now connect our Windows Azure network to the On Premise network using VPN. Is it okay to use IP Span 172.16.1.0 in the ...
6
votes
2answers
3k views

Best practices for file layout in a Hyper-V server?

We've got a Hyper-V server set up, and the layout of the files is inconsistent because it was set up by several people. Here are the two different "templates" that were used: Template 1 D:\Hyper-V\...
4
votes
2answers
260 views

Adding an Active Directory to a computer-local group - which scope to choose?

I am aware of the "AGDLP" rule of thumb when it comes to group nesting inside an AD strcture. But now I am wondering if there are any best practises when it comes to adding Active Directory groups to "...
3
votes
1answer
210 views

AD IT Helper Permissions

My apologies if this has been asked before. If I knew the proper search terms then google would be more effective. I would like to add a user that can join computers to the domain, Install software ...
5
votes
1answer
616 views

Managing puppet modules with git

I have a puppet/foreman server running on Debian 7 for managing my systems. I use the community version 3.7 of puppet and foreman 1.6.0. I use directory environments. At the moment I use a rather ...
5
votes
3answers
458 views

What is the name for sorting a directory with lots of files into subdirectories? [closed]

One way to make manageable a directory with a huge number of files into it is to sort the files into subdirectories named after progressive characters in the files' names. E.g.: - ...
2
votes
1answer
313 views

Performing root mysql operations in bash scripts

What is a good practice to execute root operations on mysql databases in bash scripts? For example, I want to create new database and grant privileges, I have to use: mysql -u $ROOT -p"$ROOTPASS" -e ...
0
votes
0answers
71 views

Manage User Specific PowerShell Functions in Active Directory Domain

Given: Windows Server 2012 R2 / PowerShell 4 Do need: a way to manage user/role specific PowerShell functions in an Active Directory domain. Do NOT need: help with coding these scripts. This ...
-3
votes
2answers
137 views

Scheduled Task Naming Conventions? [closed]

I would like to hear of examples of a naming convention for Scheduled Tasks in Windows, along with rationale. Thanks.
0
votes
2answers
145 views

Apache2.2 vhosts - disadvantages of using one file with many vhosts

As i am working with Apache2.2 more and more lately this thought crossed my mind (apologies if this seems a 'silly' question, still learning alot) Are there any blatant disadvantages if you use just ...
35
votes
8answers
25k views

Should I expose my Active Directory to the public Internet for remote users?

I have a client whose workforce is comprised entirely of remote employees using a mix of Apple and Windows 7 PCs/laptops. The users don't authenticate against a domain at the moment, but the ...
0
votes
1answer
2k views

Regarding AD Domain controllers and remote branch offices

We have central HQ building and a lot of small branch offices connecting via VPN and want to implement AD (If you can believe we still haven't). We want everyone to log in using domain accounts and be ...
0
votes
1answer
1k views

HPC Cluster (SLURM): recommended ways to set up a secure and stable system

I'm working with a SLURM driven HPC Cluster, containing of 1 control node and 34 computation nodes and since the current system is not exactly very stable I'm looking for guidelines or best practices ...
12
votes
4answers
43k views

How do you diagnose packet loss?

I realise this is very subjective and dependent on a number of variables, but I'm wondering what steps most folks go through when they need to diagnose packet loss on a given system?
12
votes
2answers
17k views

What Are The Best Practices For Business Folder Structure?

We've tended in the past towards having departmental folders (Sales, Marketing, etc) on a single share and then adding folders below these ad-hoc as and when they're needed. It's gotten a bit messy - ...
3
votes
2answers
494 views

Importance of ha.cf file in a heartbeat/pacemaker environment?

I'm having a few issues trying to understand ha.cf and how the cluster picks up on updates. For example, when creating a new cluster, I usually: Set some default options in ha.cf on node 1 - node x ...
1
vote
1answer
579 views

Reusable piece of code in Chef to be used several times in recipe(s)

I need to reuse some scenario in my cookbooks - create several users on a single machine and install same software for each of them. Installing the software is a repeating operation which I'd like to ...
12
votes
5answers
23k views

A secure, standard iptables rule-set for a basic HTTP(s) webserver

I have been trying to put together a basic server iptables script that will work for most sites just running a basic webserver using HTTP(S) and SSH (ports 80, 443, & 22). After all, most VPS only ...
1
vote
1answer
1k views

Nginx & long poll: Best practices to reduce memory and bandwidth footprint

I use nginx in this mode for BOSH and chat clients along with gzip. location ~* /http-bind/ { proxy_buffering off; keepalive_timeout 55; access_log off; tcp_nodelay on; ...
6
votes
4answers
688 views

powershell vs GPO for installation, configuration, maintenance

My question is about using powershell scripts to install, configure, update and maintain Windows 7 Pro/Ent workstations in a 2008R2 domain, versus using GPO/ADMX/msi. Here's the situation: Because ...
1
vote
2answers
304 views

How to go about rotating logs which are arbitrary named and placed in deeply nested directories?

I have a couple of hosts which are basically a playground for developers. On these hosts, each of them has a directory under /tmp where he is free to do all he wants - store files, write logs etc. Of ...
5
votes
1answer
356 views

BPA for AD Server 2008 and 2008 R2 DCs W32Time setting complaint

I have been going through some of the warnings raised by BPA against our DCs to make sure everything is as it should be. Everything has been going well until I got to the following warnings: The ...