All Questions

I have nginx 1.16 with pagespeed 1.13.35.2-0. the issue is that pagepseed able to optimise images in main page but not other pages. with no error or suspicious logs. where any images exist under ...

I have a Vagrant VM which is running Ubuntu 18.04/Bionic. In this VM, there is a DNS server (systemd resolve in this case) running. This can be seen here: vagrant@ubuntu-bionic:~$ netstat -peanut | ...

hope you are well guys. my friend is in another country. I need to use his IP to connect to some websites. you might say I need a VPN to hide my IP. except that I don't pay for this. so I guess I can ...

When I startup Firefox without any webpage it connects to all these hosts: $ netstat -anp | grep ESTABLISHED tcp 0 0 [REDACTED]:56728 52.41.213.214:443 ESTABLISHED 28943/...

1. yum groupinstall 'Development tools' 2. yum install -y geoip-devel libcurl-devel libxml2-devel libxslt-devel libgb-devel lmdb-devel openssl-devel pcre-devel perl-ExtUtils-Embed yajl-devel zlib-...

I have got a site that is running on Node.js (Express) , and Apache httpd. Hundreds of requests are coming in from malicious IP's, which I'm proactively blocking. (I have a script that looks at the ...

I run an apache2 with PH with 2GB of RAM. I have added a swap space already. My server frequently frezzes and it takes more than 100% of CPU. What should i do to prevent this? This is top command

I need to setup Postgres in master/slave on premise hardware and besides the replication it needs to have a high availability routing layer with health checking. What are some recommended open source ...

We have two servers one with internet access(srv1) and the without(srv2), Mongo DB is running on the server which has no internet access(srv2). The only way to access srv2 is via ssh to srv1 and then ...

Gmail lets you send emails from 3rd party via its SMTP settings if you enable "Less Secure Apps". Presumably you can use this for transactional emails, something you'd normally use services like ...

Package installation using yum fails on a RHEL 7.6 server - showing "Failed connect to cdn.redhat.com:443" error. "yum repolist" output also fails - showing error "Connection timed out after 30001 ...

I am working to configure Nginx as a load balancer and reverse proxy requests to a Node application on a different droplet. I have two Digital Ocean droplets (Ubuntu 18.04 for both) and have enabled ...

I have an outputs.tf file under my module directory. I also have have a Main.tf file. When I create a resource and run terraform apply, the outputs do not display. However, if I don't use modules and ...

So I'm headed off to college. Time to say goodbye to my HP server that sounds like a jet engine. Instead, I'm replacing it with a Raspberry Pi 4 to run some basic web apps, a couple SQL databases, and ...

I have the following setup: Gentoo Linux, kernel 4.19.52, AMD Ryzen 5 1600, 16G of RAM (of which up to 8G is used as ramdisk - mounted as tmpfs). I have also set up 32G of swap partition. The ...

I thought about setting up a small server with nginx reverse proxy, adding its IP as A dns without cloudflare dns proxy next to main A record with CF dns proxy enabled, so it will be a backup option ...

could someone help to make iptables to drop all the packets with length 1006? Example: 18:33:18.964261 IP 74.209.87.132.3054 > 126.220.67.183.13806: UDP, length 1006

Which processor is better for a PHP web server with multiple (50 websites) small to medium size websites? Will use Cloudlinux for this and most of the websites are using PHP 5.6 and below and most ...

I have a test server HP DL360p G8 with P420i and 2Gb cache memory. The ssds are cheap Samsung 860 QVO. I can create the array and esxi sees the disk as SSD but when testing the speed I am not able ...

I am quite new to the networking world! I was tweaking with some networking concepts and I found that we can use DNS for load-balancing by having multiple records in a DNS name server. So I ran a ...

I am setting up saltstack to manage workstations. Linux, Windows and MacOS. I want to distribute, install and manage software with saltstack. What would be the best way to achieve this using saltstack?...

I've just reinstalled my system (Debian testing, bullseye). But I found a problem that I've never met before. Three log files in /var/log keep growing fast: /var/log/messages, /var/log/user.log and /...

Hello i write a simple bash script that make the network configuration automatically. Only the last step didnt work automatically, to establish the wifi connection. This script work simple. First it ...

a network consists of a lot of servers like web server, DNS server, FTP server , ... but i confused about SQL server. SQL server is used to store data. my first question: is SQL server a separate ...

I am running open-ssh 7.8p1 on Redhat 7.0. I downloaded the package and executed the commands in order to install the package: ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-privsep-path=/var/...

I've configured bind to catch all domains and return the same ip (A record) for them. This is for a domain parking service where there might be thousands of domains involved. After pointing the ...

For your information Microsoft Outlook 2019 and Windows Mail both are developed by Microsoft. Both application use to sync email. The question is why in MS Outlook 2019, the company only allow ...

We have IIS running on two servers (IIS8 and 10), and encounter very high memory usage of our ASP.NET WebForms Applications lately, mostly accessed through aspx pages. What happens is that over time, ...

please write script for the following I) update cronentry from */15 * * * * /bin/sh /opt/myscript/myscript.sh > /tmp/myscript.check.out to */30 2,4,6 * * * /bin/sh /opt/myscript/myscript2.sh > /tmp/...

Symlinks on my samba share aren't behaving the way I want them to – specifically, the links look like duplicate regular files to the client machine. This used to work (i.e. symlinks on the server ...

networking.service fails to bring up eth0:2 and eth0:3, but my configuration seems correct. I tried several things, also renamed the NIC from ens3 to eth0 /etc/network/interfaces: auto lo iface lo ...

I created a syslinux/isolinux hybrid CD iso to boot either legacy bios or eufi depending on what is needed. The legacy bios part works well and has worked for many years. I am using the newest (6.0.3) ...

I'm using Windows 10 to connect to an 802.1x WLAN. How can I see more details beyond the thumbprint of the certificate? Clicking "Show certificate details" only shows the thumbprint.

I'm trying to create a bucket policy that will grant access from an ec2 or ecs instance in order to grant them to putObject on a specific bucket. I have a few basic questions: 1) Is a Bucket Policy ...

What happens if a host on the network receives an IP packet with a MAC source address that differs from the MAC address in the local ARP table for that source IP? The ARP table entry for that IP was ...

Instance- CentOS 7 Logrotate version: logrotate 3.8.6 I am rotating my logs using logrotate and it shows the output as: "log does not need rotating (log has been rotated at 2019-7-19 3:43, that is ...

I am trying to connect a remote Ubuntu Server 19.04 instance to a Ubiquity Unifi USG L2TP VPN Server. I have the VPN server set up as an L2TP server with PSK and verified that it is working by ...

At some point in 2019 Windows 10 updated to where PowerShell is the default in the WinX menu. I'm looking for a solution to change this that can be syspreped and cloned. So a registry modification or ...

I'm going through the process of creating a Microsoft certificate server on Windows Server 2019 and was wondering what the difference between these cryptographic providers were in the setup wizard? ...

I would like to get some help debugging an issue we are experiencing in a specific server. We have a web application that uses windows accounts to validate user credentials and groups. We noticed ...

I have got the following error messages repeating in firewalld log file. 2019-07-19 14:18:20 ERROR: COMMAND_FAILED: Direct: '/usr/sbin/iptables-restore -w -n' failed: iptables-restore v1.4.21: Set ...

I did the very minimal installation as outlined here https://aws.amazon.com/getting-started/tutorials/launch-a-wordpress-website/ but find that the public IP does not resolve. I have waited a while ...

I try to run the following script but dockerd is not recognized in my workstation. My OS is windows 10. Just installed the latest version of docker that is 18.09.2 It is my first time with docker.

I'm connecting remotely to a MongoDB standalone instance and in my python script am creating/ensuring indexes in the background before doing a bulk_update() operation. The collection is 90+Million ...

I want to deny all anonymous users by default yet allow anonymous users for a specific virtual path; the virtual path is created by a wordpress htaccess + php Current Setup AuthUserFile /var/www/...

I am working on a cloud migration project where our leadership has ask for a cost breakdown and risks. I hope to talk to people who've done this before, because we don't have time to do a detailed ...

It has happened to me for years actually I'd say. I haven't tested too many use cases but whenever I've to copy by scp a large file to another machine (usually all of them running Ubuntu Server or ...

I've some services running on google cloud functions which need to connect to an endpoint on AWS. Since there is no fixed set of IPs which I can whitelist, can you share your thoughts on how best this ...

How to find who created a kafka topic. From the zookeeper I can only see the timestamp of the topic. But I want to know who and how topic got created.

I am installed directadmin panel. Linux CentOS 7.6 Good working apache, mysql, php But mail account connect to outlook not working 587 PORT not secure "not encryption" error.