Recently Active Questions

99 votes
8 answers
303k views

Best way to disable swap in Linux

I am running a custom compiled 3.18.9 kernel and I am wondering about the best way to disable swap on the system. I also use init if it makes a difference. Is it enough to comment or remove the swap ...
1 vote
2 answers
56 views

SEO, top-level domain delivery and cloudfront

We have a web-service, the frontend(s) for which is split into multiple applications that are delivered by cloudfront endpoints. These currently all have their own subdomains, like e.g. service-a....
0 votes
1 answer
119 views

URL rewriting (reverse proxy) not working in IIS when using specific URL (only works with wild card)

I am trying to do URL rewriting (reverse proxy) in IIS as follows: If URL is http://subdomain.maindomain.com then forward request to http://10.0.11.45:15155 Here are my rules. <rewrite> ...
4 votes
1 answer
17k views

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message

One of my server (Ubuntu 12.04, 16CPU, 32GB RAM) runs the app section of my website (Nginx 1.1.19, PHP5-FPM, Php 5.3.10, Symfony2 Web Framework) Suddenly, users started getting HTTP 5** Errors. When ...
0 votes
0 answers
8 views

Can't point nginx to correct PHP app directory

I am trying to setup a simple development endpoint for a php backend/api implementation with nginx and fastcgi. Since I have another project also running in my server on port 80, I have decided to ...
15 votes
8 answers
40k views

Log commands executed over SSH

I would like to log all commands executed over SSH. Say, ssh [email protected] COMMAND I want to log "COMMAND" on server.com I did search extensively but could not find anything. There ...
0 votes
1 answer
29 views

iSCSI Connection established however cannot see existing partition

I installed Windows Server Core 2025 in place of Windows Server 2025 (Desktop Experience). I previously had a disk partition R: configured however when I re-establish connection to my iSCSI provider ...
0 votes
0 answers
8 views

DNS delegated subdomain for apex production domain on Route 53

Currently, I have a site hosted at example.com. It has DNS setup in AWS Route 53 with a "parent" project. This hosted zone is for example.com and contains the NS record for the registrar and ...
0 votes
1 answer
35 views

Is there any (significant) performance penalty to running multiple kubernetes pods (jobs) vs commands in container?

The Plot We're setting up a Kubernetes enviornment using RedHat's OCP. The application that we've been given from our provider in the form of Helm charts and container images, provides a pod that ...
0 votes
1 answer
7k views

Pass variable value from one build step to other in jenkins job

I want to pass variable value from one build step that is from 'execute shell' to 'send files or execute commands over SSH" my script in Execute shell* is: if [ "$var" == "1"];...
0 votes
0 answers
9 views

debugging rsyslog log rotation

I set up rsyslog on a raspberry pi to track some very noisy systems (into /var/log/router.log). I don't need to keep a lot of data, so I want to rotate out the logs quickly, or preferably, by log size....
0 votes
0 answers
14 views

Why is Linux Bridge Interface loosing static ip when more than one clients are attached

Here is my Network: Server_A: This is a DHCP Server, eth1 to eth5 are bridged together. I am attaching the /etc/network/interface and /etc/export config files for this machine. The DHCP Service is ...
5 votes
5 answers
69k views

Can I force a workstation to use a specific domain controller?

I'm on a domain that I can't control the domain controllers on, but I can control my systems. All the domain controllers are part of one site, and that cannot change. However, one of the domain ...
72 votes
10 answers
281k views

Convert from P7B to PEM via OpenSSL

On Ubuntu, I cannot convert certificate using openssl successfully. vagrant@dev:/vagrant/keys$ openssl pkcs7 -print_certs -in a.p7b -out a.cer unable to load PKCS7 object <blah blah>:PEM ...
0 votes
0 answers
12 views

Error "An interface with this name is not registered with the router" on Windows Server 2016

On a Windows Server 2016, I started cmd as an administrator. I ran ipconfig to make sure the adapter "tunnel1' exists, then I ran netsh routing ip nat add interface "tunnel1" private I ...

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