All Questions

2
votes
1answer
5k views

Filtering varnishlog v4

I'm trying to filter varnishlog (version 4) to only show requests to certain URLs or certain IP addresses. All of the examples online are for version 3. Version 4 seems to use a different method of ...
-1
votes
0answers
13 views

MariaDb does not start

mariadb.service - MariaDB database server Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled) Drop-In: /etc/systemd/system/mysql.service.d └─limits....
0
votes
1answer
699 views

Apache Web-server, Tomcat : Changing load-balancing configuration so one Tomcat instance is in cold-standby

I have a load-balancing and fail-over setup configured on our Debian X64 based server. Right now, I have 2 Tomcat instances which are in load-balance and fail-over and running all the time. The ...
0
votes
0answers
17 views

PHP curl_exec failing with HTTPS

I have a wordpress site that its failing. I tracked the issue and I found that is due to curl_exec() failing with HTTPS sites. I'm running php 5.6 in a Alpine Linux v3.8 container with lighttpd. The ...
0
votes
2answers
99 views

Should I expect Google App Engine to randomly restart instances?

I had one instance of the app (shame on me), running in the australia-southeast1 region yesterday. Last night was a critical time for the app; people were relying on it working flawlessly, and then ...
0
votes
0answers
6 views

Why does my docker container reports more used ram than the host

I was checking the performance of one of my machines because we are having issue with a puppeteer implemntation inside one of our containers. When I go inside of the container I get this, As you can ...
1
vote
1answer
31 views

AWS application load balancer 404

I'm following tutorial to create an application load balancer and the listener path is as follow: LB -> path -> server1 or -> path -> server2 The problem: I can get to server1 via the LB url ok ...
1
vote
2answers
29 views

Can I create a CAA record for all sub-domains

Our main web site uses HTTPS certificates issued by comodo. So we have two CAA records like this: @ CAA 0 issue "comodo.com" www CAA 0 issue "comodo.com" And we have ...
1
vote
2answers
1k views

Can we disable DFS on Windows SBS 2011?

The supplier of our customer's ERP system says that their software gets performance problems when running on a server with DFS enabled. I notice that DFS Namespace and DFS Replication is enabled on ...
0
votes
1answer
1k views

java 7: should users be aware of changes in heap memory handling?

After installing the latest Java 7 Development Kit (Java SE 7u11) on my Windows 7 Professional 32bit PC with 4Gb RAM, I noticed I can't allocate much memory for Tomcat. Whereas these memory settings ...
0
votes
0answers
7 views

`GLIBCXX_3.4.20' not found Centos7

while starting deepstream output show like this how can i resolve this issue. I installed the latest version which is not available in yum repo by using rpm file and i can't remove this package too.....
0
votes
0answers
6 views

How to scp files to a VPS whose ip was blocked without the help of jump servers?

The IP of my VPS was blocked. Sorry to mention but currently I might not have enough expense to apply to switch IP nor purchase new VPS as jump servers. Status: The VPS host itself is running ...
0
votes
0answers
6 views

HAProxy as a reverse proxy for backend already ssl enabled and SSL terminator for a backend exposed in port 80

I have 4 servers: proxy_server, $BK_SERVER_001, $BK_SERVER_002 and $BK_SERVER_003 The "proxy_server" only has an HAProxy enabled service with this configuration: (please look at the rows marked ...
0
votes
1answer
28 views

Is there a way to run a persistent Docker container, like a VPS?

Problem: I have a NAS machine at home, built out of old hardware. Virtualization does not work on it due to bug in motherboard. Docker, however, runs perfectly. I want to have a single small VPS on ...
2
votes
1answer
1k views

Possible to force TCP window scaling to a higher value?

Is it possible to increase the TCP window scaling factor on Linux (CentOS 7.2)? I have a long fat network (100 Mbps) from London to Chicago and I'm getting 16 Mbps throughput in TCP on an sftp from a ...
1
vote
1answer
1k views

Rsync to windows FTP over curlftpfs fails to set permissions

I'm transferring some large files (1.5Gb) to a windows FTP server in a cronjob. It's going over a 2Mbit ADSL line, with 512Kbit upstream. So it takes forever, and can be prone to dropping to line. I ...
1
vote
2answers
36 views

Debian - Slow boot waiting for network

I have a Debian 10 Server that I think could/should boot faster, but I don't know what the problem is. I see A start job is running for Raise network interfaces when booting, and looking at systemd-...
0
votes
1answer
1k views

Pfsense multi site-to-site wan with policy based routing

We want to create a Hybrid multi WAN site to site connection between two (and more?) remote offices. The office has two WAN connections to the HQ. One MPLS and one ordinary Internet connection. In ...
1
vote
1answer
1k views

utf-8 filename are ruined when uploading through IIS

When I upload files with UFT-8 file name through IIS on my Windows Server file names are ruined. (They are changed as if they are encoded in ASCII and therefore they are no more accessible). I Wonder ...
21
votes
4answers
27k views

KVM/qemu - use LVM volumes directly without image file?

I'm not quite sure how to phrase this question (hence the poor title), so let me provide an example of what I'm trying to do. On my (old) Xen host, I'm able to present LVM filesystems directly to ...
1
vote
3answers
2k views

Can't stop Azure AD Connect Service

Have an on-prem server for Azure AD Connect service. Today I noticed that a Delta Import (we run a delta sync on the scheduler every 30 mins) was In-Progress with no estimated end time. It is sitting ...
1
vote
2answers
1k views

How do I add IPv6 to Window Server 2008 when gateway is in a different subnet?

I'm having a little difficulty understanding how I add a route in Windows Server 2008 (Web Edition). I've been allocated a /64 (IPv6) subnet. I added my IPv6 Address, Subnet Prefix and Default ...
0
votes
2answers
42 views

Make a list of up servers and pass that list to work with my actual playbook?

I have an ansible playbook as shown below and it works fine most of the times. But recently what I am noticing is it is getting stuck on some of the servers from ALL group and just sits there. It ...
0
votes
0answers
43 views

Connecting Blade OS to Internet with Cisco 3020 Switch Module

I am very new to server networking, and appreciate any help. I have an HP c7000 with Proliant G8 blades. I have installed RHEL, Centos, and Windows Server on different blades, trying to get any of ...
0
votes
1answer
1k views

cannot delete 500-100.asp file for IIS7

I use roboycopy to copy (to another hard drive) the entire IIS7 "inetpub" folder and I've since tweaked the script a little so it copies to a SkyDrive folder for cloud backup, but I cannot delete the ...
0
votes
2answers
1k views

Why tomcat is not accessible from www of my domain name?

I can access my web application (GeoServer) from this URL http://mydomain.com:8080/geoserver but I am not able to access it from http://www.mydomain.com:8080/geoserver . How can I fix this? My DNS ...
1
vote
0answers
12 views

Odd Apache2 Zombie Mode and Failure

For past few day's I been having some odd issues. This all starter this past Sunday, as per the system logs around 4:00 AM on Sunday morning. I noticed inability to connect to my site and all ...
0
votes
0answers
6 views

Configuration settings required for Cisco UC320W and Dell N1524P compatibility

I'm having issues with my Cisco UC320W controller getting config settings over to my Cisco IP phones using a Dell N1524P Switch. Currently there is a Cisco ESW-540-24P switch that connects to both the ...
0
votes
1answer
35 views

Shutdown ESXi 6.7 with a script via SSH without entering maintenance mode

I'm trying to write a script that ssh's to an ESXi 6.7 and shuts down the host and also shuts down the VMs according to the current system shutdown policy. I'm running Dell customized image ESXi 6.7 ...
0
votes
0answers
5 views

Change format of IIS HTTP Error logging

HTTP.sys by default creates error log files under C:\Windows\System32\LogFiles\HTTPERR. Is it possible to change the format of these log files to include other fields including cs-host and cs-uri-...
-1
votes
1answer
57 views

A parameter cannot be found that matches parameter name -ComputerName

I written a script to verify the services were succefully stopped If not it will kill the running processes. Below is my script. Let me know what needs be added. I am very new to powershell. $...
0
votes
1answer
254 views

Using traefik and docker to securely expose some containers publicly

I have a 16 core, 128GB server that handles all kinds of stuff at home. On a VM I run a Windows Domain controller and all my Windows PC's are joined to that domain. On the server, I also run multiple ...
-2
votes
1answer
15 views

Access server connected to PC via Ethernet, through WiFi network on a mobile device [on hold]

I'm trying to access files stored on my headless file server, from an Android device. So I have: [THIS HAS THE FILES I WANT ACCESS TOO] A headless Debian server. IP address 169.254.240.2 [Ethernet]...
1
vote
1answer
2k views

Telnet: Unable to connect to remote host: Connection refused (Postfix - Ubuntu 14.04 VPS)

I have installed postfix following this tutorial but when I try to telnet mail.mydomain.com 110 (995,993,143 or 25) it throws the following error: Telnet: Unable to connect to remote host: Connection ...
0
votes
3answers
1k views

lamp — edit PHP file but doesn't change web output — including die()

Server is standard Linux server on Amazon Web Services. Cent OS 5/Apache/PHP 5.3. No APC. It's worked fine for over a year, but now when I edit some but not all PHP files on the server using vi, the ...
0
votes
0answers
14 views

Proxy to different web servers that use relative URLs

I have multiple web services running on the same machine on different ports, and I would like to use HAproxy to connect to them through different URLs For example, localhost/app1 should go to ...
1
vote
1answer
23 views

Redirect port 8080 to 80

I've a tomcat running along with the apache2 on Amazon AMI. Till now all of my users were accessing my webapp by putting port number 8080 in url and then tomcat does auto-redirection to 8443. But now ...
0
votes
0answers
16 views

Cannot connect to server over SSL/IMAP from some machines, but others work fine

Since this morning, a few of the machines in our office have been unable to fetch e-mail from our domain over IMAP. The server (Windows 2012 R2, IIS 8, MailEnable) is set up to listen on ports 143 and ...
0
votes
0answers
7 views

Unable to get userName because I did not specify userName?

I am trying to run this command $ aws iam get-user --query 'User.UserName' --output text and it failed with An error occurred (ValidationError) when calling the GetUser operation: Must specify ...
3
votes
2answers
8k views

What does source /etc/network/interfaces.d/* do at the top of the /etc/network/interfaces file?

I've noticed that by default the below line is included in /etc/network/interfaces: source /etc/network/interfaces.d/* What is the purpose of this line and what does it actually do?
0
votes
0answers
11 views

Possible Linux page table issue/huge load average with large heap JVM that results in significant sys time in GC logs

Our service runs on AWS on m5.12xlarge nodes (48 cores, 192 G RAM) on Ubuntu 16.04. We use Java 8. For our service we allocate about 150G as max heap size. We have no swap on the node. The nature of ...
0
votes
1answer
1k views

How to add a datasource in wildfly swarm with .war packaging?

I'm trying to run my web application using Wildfly Swarm and .war packaging. How should i add my jdbc driver and data source definition?
3
votes
1answer
1k views

Preventing PHP-FPM from crashing under light load

I'm getting a DoS attack on a wordpress site that I host. 173.192.109.118 - - [30/Sep/2015:22:31:36 +0000] "POST /xmlrpc.php HTTP/1.0" 499 0 "-" "Mozilla/4.0 (compatible: MSIE 7.0; Windows NT 6.0)" ...
0
votes
0answers
38 views

CentOS 7 hacked [duplicate]

A new file showed up at 07:07 EDT on one of my servers today: # ll /etc/cron.d/sysstat2 -rw-r--r-- 1 root root 92 Jun 24 07:07 /etc/cron.d/sysstat2 # cat /etc/cron.d/sysstat2 53 * * * * root /bin/...
0
votes
0answers
7 views

varnishlog - how to log only certain paths?

I want to log all requests to static pages in a certain directory via varnishlog. This is what I have tried: varnishlog -c -q "ReqURL ~ '.*version15.*'" Works - but I want to limit it further. ...
5
votes
2answers
127 views

How did installing this RPM create a file?

Running yum install https://extras.getpagespeed.com/redhat/7/noarch/RPMS/getpagespeed-extras-release-7-1.el7.gps.noarch.rpm creates /etc/cron.d/sysstat2 but RPM disavows the file: # rpm -ql ...
0
votes
0answers
46 views

Sporadic SSL_read errors when uploading large files through mod/jk with curl

Note: There is a TL;DR at the end of this question. I have a nightly backup script that has been working reliably for 6 years, and two months ago, it began to fail to upload to my archive server (...
-1
votes
0answers
13 views

subdomain server IP could not be found when DNS records defined [on hold]

I have a subdomain setup on my hosting site. My main domain is hosted on the same hosting platform, with all the records setup properly. I tried setting up a subdomain through the cpanel on the site, ...
0
votes
0answers
9 views

virt-manager guest VM keeps getting 192.168.1.x for its IP address, how do I change this to another IP on my physical network?

I am trying to learn virt-manager and VMs and that with K.V.M. I can build a VM (guest?) and setup the network in virt-manager to where it gets a 192.168.x.x ip, and can work with the internet. The ...
2
votes
1answer
55 views

How do I warn people that a repo has been hacked?

The GetPageSpeed repo has been hacked. Anyone with the repo installed will have malicious code installed on their box by yum update, including the file /etc/cron.d/sysstat2. I've notified ...

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