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Q&A for system and network administrators

how to schedule a non-maskable job in windows?

I would like to log list of running processes on my Windows Server 2012 and a Windows 10 machine. If I use Task Schedule, I have noticed that the scheduled task is delayed when cpu or memory peak ...

Nnginx map urls to proxy_pass in one location directive

I have multiple node websockets that are available through a url matching the UNIX socket paths. Instead of duplicating the location directive, I would like to have something like a list of Urls that ...

In Hugo, how to create permalinks like StackOverflow?

Is there a way to create permalinks in Hugo that are similar to how StackOverflow/StackExchange creates for questions? For example, consider this question's URL: http://stackoverflow.com/questions/...

How do I configure apache2 to serve static assets from server root subdirectory?

Front end developer here - I just inherited a server (Mac Pro) to host my prototypes within our network. There's already an apache server set up on it, but I don't know much about it's config. This ...

Exim Split Delivery

I'm hoping someone can help me here. I've had this working before and had the correct smarthost code for the exim configuration but my computer crashed and I lossed it, now I can't remember what it ...

Multi-Mailbox search partially succeeded on Exchange Server 2010 SP3 Rollup 15

I am running multi-mailbox searches and 90% of the time the searches are successful, but some result in "Search partially succeeded" with the error below. Originally, I ran these searches on Exchange ...

Managed vServer with Dediacted IP: Why are all outgoing mails to Gmail flagged as spam? [duplicate]

Dear Serverfault community, Noob asking: I am testing 2 different managed vserver providers right now. Both offer dedicated IPs and the one I am favoring at the moment has the problem that all ...

nodejs http server cant use port 80 or 443 windows 2012

I'm trying to run a new nodejs http (or https) server on Windows Server 2012 R2, but I get the common error: "events.js:160 Error: listen EACCES xx.xx.xx.xx:80" I have tried everything I can think ...

How to browse website hosted in Test server within company network

I have set up a website in IIS on QA server. I added binding and made entry in hosts file Binding IP: 123.43.12.45 Port: 80 HostName: mysite.mydomain.com Hosts file entry 123.43.12.45 mysite....

Grep by block of text\lines

I have the text, that contains some lines. So, i need to make GREP of several lines. For example, i have repeating text and i should GREP get lines, that have this repeating key-words. grep -o "test|...

IIS Friendly Site Names over VPN

I have IIS 7.5 running with users connecting to sites over VPN. So far, I've been giving out links with the port number such as http://servername:8082, and under the site's bindings I've been leaving ...

How to publish content on 3 Servers with Nginx load balancer [on hold]

I am using 3 Nginx web server for my WordPress site with Nginx load balancing. But when I post new content on my site then only 1 server is updated. Can anyone tell me how can I publish content on ...

Possible to use G-Suite services & Personal Email Server on the same domain?

Is it possible for me to share email services. What I want to do in the name of saving money is. Have a email server using MailCow for example, as a fall back to my Google Provided services. Only a ...

Is it OK to clone whole disk for moving server?

I am gonna move my old server to new one, is it OK to archive everything on the old server, then extract archive on the new server? I will extract the archive from recovery mode, so system files won't ...

Azure virtual machine URL Redirect in DNS settings

I have a Linux VM setup in Azure and have a DNS Zone CNAME record set as per: NAME TYPE TTTL VALUE www CNAME 60 myapp.azurecouldaddress.com I can't use an A name record for the ...

md raid fails to boot with missing drive

I got a server with Debian Jessie, 4 Drives sda to sdd all of which are partitioned likewise. The system is in a raid1 md raid over all drives. All drives do have grub and I can swap discs with each ...

NGINX reverse proxy starts returning 502 errors

I have a API First app that has separate servers for the front end and back end. The frontend is just an NGINX server that serves a static Angular site. The backend is a Play Scala server. Recently, ...

two emails same domain

I'm confused about how to change my postfix settings to simply add 2 emails based on 1 domain. According to the manual it should be something like this: /etc/postfix/main.cf: ...

ssh inside network not working after port forwarding on router

I forwarded the following ports on my router for my linux server which has a static ip address. TCP 21 FTP TCP 22 SFTP TCP 80 HTTP TCP 115 Before enabling these rules I could already ...

Laravel hosting - Cloudways vs Forge [on hold]

What are the pros and cons of hosting a Laravel app on Cloudways vs Forge? I've had a look and at the surface I can see e.g. that while Forge is made specifically for Laravel and so makes stuff like ...

Suitable Router for 60 User [on hold]

We need to purchase a new Router for our company (About 60 user in one building) the requierd specification is: Load Balancing, 2 ADSL lines support, 3G Support as a backup plan. What is the best ...

Apache respons to GET but not to POST

I'm a web-app developer, and made a webapp for a corporation by Django framewoek, i have a problem when accept some HTML forms by POST method so when i open this pages by GET methods i hav'nt problem. ...

cpu cores and clook speed comparison [duplicate]

is it better to have one server with A: Intel Xeon 2x E5-2650v2 16c/32t @2.6 Ghz or to buy 3 servers B: Intel Xeon E3-1245v5 4c/8t @3.5 Ghz so how i can compare, is this right way: 16c*...

How to scale backend Firebase service

I am building an application with a decent amount of Firebase service code running in the backend. It is possible that this App will end up reaching thousands and possibly hundreds of thousands of ...

Possible causes for a single throttled UDP port

I am running a quake 3 engine based game server (Wolfenstein: Enemy Territory) on Ubuntu 16.04 and I've ran into a fairly puzzling issue. A week ago players started having issues when connecting to ...

Ho to launch WAIK training with virtual Windows Servers and Workstations? [on hold]

I am wondering how to launch a virtual testbed network with a server and workstations to teach WAIK and network installations? What are the best solutions?

About where-object cmdlet

I'm just starting with PowerShell, I have a question about this command: Get-WindowsFeature - where installed It returns me the features installed, now I would like to have all the features removed ...

How do I secure my shared folder [migrated]

I have some problems: I use VMware Workstation 12 Player, I log on to the PC using domain admin, then I created some local users. With my domain admin, I have installed some applications, however, I ...

Exchange 2013 - no admin and mailbox audit logs

I recently installed on a new network Exchange 2013. I noticed that my admin audit logs and mailbox audit logs are empty. I did Search-AdminAuditLog and Search-MailboxAuditLog and it brought no ...

Server 2012 R2 System Recovery Loop (Hyper-v)

I was updating a 2012 R2 server. One update out of 4 failed during the update and I rebooted the server to apply the updates that were successful. After the initial reboot, the server went into "...

Nginx not redirecting non-www to www

I need my Nginx setup to redirect users to www.example.com if they type example.com in the browser. The reason is that our SEO consultant said there should be only one preferred domain, otherwise ...

How to use NVM to switch Node versions for the Apache user ('www-data') - a user with severely limited functionality?

I call a Node script from PHP on my Ubuntu web server, as in // The following PHP executes in the context of the Apache user - 'www-data' // $execstring = "node " . $args; exec($execstring, $output, ...

Docker, Nginx and PHP7: ERROR 111 Connection refused while connecting to upstream

I run a NGINX-PHP7-COMPOSER image that works well but when using Slim Framework I had to change Nginx's default config to make the URL rewrites work. And now it show this error in the logs: 2017-...

Subdomain things overriding normal panel things in httpd

sorry for the title that isn't really the best. I don't know how to explain. Basically i want to host 2 websites using httpd; so i have the website panel.mcwownetwork.net and the website mcwownetwork....

How can I allow remote MySQL connection via HTTP/PHP?

I'm running CentOS 7 on all the servers mentioned below. I'm testing on a local development environment for setting up separate database and web server. These servers are two VirtualBox instances ...

curl | sh vs sh -c “$(curl)” [migrated]

One easy install method for docker (for example) is this: curl -sSL https://get.docker.com/ | sh However, I have also seen some that look like this (using the docker example): sh -c "$(curl -sSL ...

SharePoint 2013 Alternate Access Mappings to add additional external and internal URL

I'm very new to SharePoint administration. Here's my scenario. I have a sharepoint, that I'm migrating. I'll call the current sharepoint "oldsharepoint", and the one I'm migrating to, "...

Configuring routing on ubuntu PPTP server [on hold]

What I've shown in image 1 is what most VPNs follow ( i guess ) . (If clients want to visit a website when connected to vpn server then:) Client ==> Server ( eth0 ) ==> ppp0 ( pptp interface ) ==> ...

Grep of several lines one by one

i have small log file with event, what user doing and name of user. All of that, i have in two columns. Like that: fxsciaqulmlk|user logged in fxsciaqulmlk|user changed password fxsciaqulmlk|user ...

Rackmount heavy equipment such as an Amp [on hold]

I recently picked up a rack mount enclosure for my home as I have some audio and networking equipment taking up space on my shelves. The company that sells my audio equipment directed me to a pair ...

New CentOS 7 install (Google Compute), can't add VirtualHost entries to /etc/httpd/conf.d/

I just did a base install and Apache 2.4 starts up just fine. I'm migrating from an old server which runs Apache 2.2. When I put a file into /etc/httpd/conf.d that contains a VirtualHost definition ...

Restricting Office 365 services to ip range

My company has a office 365 subscription so all our Outlook, OneDrive, Skype etc. infrastructure is hosted for us online. I am trying to restrict our emails to a range of ip addresses (as we have just ...

What does “Public IP/Elastic IP Data Transfer” mean?

Amazon AWS calculator says data transfer in is free to ec2 instances, but it also has an input box for "Public IP/Elastic IP Data Transfer" saying: If you choose to communicate using your Public or ...

R610 Mixed Memory configuration

The configuration for this question is as follows: We have two dell R10 servers. Each R610 is has 2 X E5504 cpus, (The E5504 is 4 core X 2.0 GHz). I ordered 12 sticks of 8GB ECC DDR3 ram (Hynix ...

NanoServer WinRM HTTPS

Trying to configure nanoserver for WinRM Remote HTTPS access and all the tutorials I have been able to find use the WinRM command and I cannot figure out how to configure it any other way. Does anyone ...

Apache Connection timeout, what could be wrong?

I have a Apache server which is very unstable, and many times a day I struggle to connect to apache. I can not figure out why, since it for me everything seems to be ok. The server have at all time "...

OpenVPN on Google Compute Engine - what route am I missing?

I have installed OpenVPN on other VPS providers, and wanted to try out Google's. I like Googles price/performance, and especially because I can spin up the machines from my phone without logging in ...

Is it safe to use fallocate --dig-holes while being modified

Is it safe to use fallocate --dig-holes on a file while it is being modified/written? For example on a QCOW2 image opened by a KVM guest?

OpenSSL Padding Oracle vulnerability (CVE-2016-2107) + Nginx

I was trying Qualys SSL Labs test and It told me that the server is vulnerable to OpenSSL Padding Oracle vulnerability (CVE-2016-2107). I googled around on how to fix this, and although the OpenSSL ...

LVM logical volume for /home partition corrupted after lvresize to increase swap space Fedora 25

I added 6GB of memory on an older Dell PowerEdge 1850 that we use just for backups to an attached hardware RAID from Promise Technology called a VessRAID connected by iSCSI. After a few weeks I ...
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