Server Administration Forum

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Watchdog is a component which ensures that your server does not contain any malware. It also ensures that all services are running okay and that the server has enough free disk space. On this forum, you can ask and respond to any Watchdog question. Just click on the “Ask a new question” link to ask a question and the “Answer a question” link to respond to a question. Watchdog can be used to monitor many services and can take other actions automatically. You will learn all the tips and tricks of using Watchdog that very few people know and this will keep you one step ahead in securing your server.
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This forum is about the Hadoop software project that allows for large data set processing across distributed computer clusters. Hadoop can scale from one server to thousands of computers, each offering local storage and computation. You can ask any question related to Hadoop by clicking on the “Ask a new question” link. If you come across a question that you can answer, just click on the “Answer a question.” By interacting with Hadoop developers and users from every walk of life, you will learn a lot. Over time, you will become proficient not only in Hadoop but other Hadoop-related projects such as Cassandra, Spark, and Ambari among others.
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Backing up your server should be done regularly to prevent data loss. Consider backing up your server like brushing your teeth. There are some ways to back up your server, which can be categorized as automatic or manual. The purpose of this server is to give you enough information, through the discussions, so that your backups work properly. Click on the “Ask a new question” to ask a server backup-related question. If you encounter a question that you have an answer to, click on the “Answer a question” link. Through sharing of knowledge and experience, you will back up your server better.
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Plesk is a tool that helps IT specialists to manage DNS, manage web, mail and other services through a user-friendly GUI. As a hosting control panel, Plesk acts as an intermediary between users and system services. In this forum, you will learn a lot about Plesk. To ask a question, click on the “Ask a new question” link. To answer a question, click on the “Answer a question” link. Participating on this forum will help you know how to use Plesk and how to customize the tool to suit your needs. You will get ideas from people around the world who use Plesk.
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Linux, also referred to as GNU/Linux, is an operating system that uses the Linux kernel. This forum focuses on the Linux server. If you have any question related to Linux server administration, please click on “Ask a new question” above. If there is a question, you can answer, please click on the “Answer a question” link. Other forum members will appreciate your participation, and you will benefit from their insights on how to better manage the Linux server. Being open source, Linux has many users and developers, and you are guaranteed to find an answer to any questions you have.
Subforums: Ubuntu (0)
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Iptables is an application that allows system administrators to manipulate the tables used by the Linux kernel firewall. It works with IPv4 and needs elevated privileges to operate, meaning that it must be executed by the user root. This forum is all about Iptables. In case you have any questions related to Iptables, click on “Ask a new question” and post the question. If you have an answer to questions posted by other forum members, click on the “Answer a question” link and answer. Sharing knowledge on this forum with other Iptables users from around the world will hone your skills in using Iptables.
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Varnish Administration Console or VAC, is a single control platform for everything related to the Varnish Cache server administration. VAC is usually employed in environments where real-time statistics and graphs help in identifying bottlenecks within the Varnish Cache servers. This forum is dedicated to Varnish. If you have any question on Varnish, click on “Ask a new question” and post the question. If you come across an unanswered question or a question that is not adequately answered, please click on “Answer a question” and provide your insights. Not only will you benefit from other people’s ideas, but they will also benefit from yours.
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SSL
This is a forum about SSL. SSL stands for Secure Sockets Layer and is the security technology used to establish an encrypted link between a browser and a server. This ensures that data going to and from the browser and server cannot be accessed by anyone else. If you’d like to ask any question related to SSL, click on the “Ask a new question” link and to answer a question, click on “Answer a question.” As a webmaster, it is important to protect your users’ data, and this forum will go a long way in helping you to correctly setup and use SSL certificates.
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This forum is the one-stop shop for all questions and answers related to Nginx. Nginx is an HTTP and reverse-proxy server, a generic TCP/UDP and mail proxy server. For a long time, Nginx has been running on most of the heavy-loaded websites. You can ask Nginx-related questions by clicking on the “Ask a new question” link. If you come across a question asked by another forum member that you can answer, please click on the “Answer a question” link. The fact that Nginx served 29.10% of the busiest websites in June 2017 underscores the importance of learning as much as you can about it, which you can do on this forum.
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Topic / Topic starter Answers Views Last postsort descending
Closed topic Cannot login after I changed my Drupal 7 Server
by Ratul » Tue, 07/11/2017 - 01:57
0 515 by Ratul
Tue, 07/11/2017 - 01:57
Closed topic How can I transfer files between two remote linux server?
by Ratul » Tue, 07/11/2017 - 02:02
1 477 by Ratul
Tue, 07/11/2017 - 02:02
Closed topic What exactly is Hadoop? A webserver, a database?
by AndreasOS » Tue, 07/18/2017 - 00:27
0 487 by AndreasOS
Tue, 07/18/2017 - 00:27
Closed topic How to setup IPtables correct so that it increases the server security
by AndreasOS » Tue, 07/18/2017 - 00:36
0 469 by AndreasOS
Tue, 07/18/2017 - 00:36
Closed topic Testing tool for simultanous server connections
by AndreasOS » Sun, 07/23/2017 - 18:50
1 541 by AndreasOS
Sun, 07/23/2017 - 18:50
Closed topic Lets Encrypt SSL from plesk is not working
by AndreasOS » Fri, 05/11/2018 - 16:29
1 436 by AndreasOS
Fri, 05/11/2018 - 16:29
Closed topic I changed the domain name in Plesk but nothing happens
by tuckeranddale » Sat, 09/08/2018 - 16:23
0 207 by tuckeranddale
Sat, 09/08/2018 - 16:23
Closed topic Compare files on 2 servers and list if changings happen
by Skywalker » Sat, 09/08/2018 - 19:59
1 204 by Skywalker
Sat, 09/08/2018 - 19:59
Closed topic How to keep the server OS up to date
by The Code » Sat, 09/08/2018 - 22:02
2 246 by The Code
Sat, 09/08/2018 - 22:02
Closed topic How to update the Plesk license on server
by Skywalker » Sat, 09/08/2018 - 22:14
1 293 by Skywalker
Sat, 09/08/2018 - 22:14
Closed topic How to interprete Watchdog data
by Codemaster » Sat, 09/08/2018 - 22:27
1 273 by Codemaster
Sat, 09/08/2018 - 22:27
Closed topic Does anybody know what rkhunter for linux can do for me?
by Skywalker » Sat, 09/08/2018 - 22:28
1 267 by Skywalker
Sun, 09/09/2018 - 14:06
Closed topic Domain name change in Plesk does not change anything
by Skywalker » Mon, 09/10/2018 - 22:33
1 247 by Skywalker
Mon, 09/10/2018 - 22:33
Closed topic ERROR: Plesk\Exception\Database: DB query failed:
by codenovae » Sat, 09/15/2018 - 15:08
1 659 by codenovae
Sat, 09/15/2018 - 15:08
Closed topic ERROR: Zend_Db_Adapter_Exception: SQLSTATE[HY000] [2002] No such file or directory
by Codemaster » Sat, 09/15/2018 - 22:15
1 325 by Codemaster
Sat, 09/15/2018 - 22:15
Closed topic I am not able to select the iso file for ubuntu installation of a virtual machine
by The Code » Tue, 09/18/2018 - 00:46
1 198 by The Code
Tue, 09/18/2018 - 00:46
Closed topic Password problems with Linunx Ubuntu setup
by The Code » Tue, 09/18/2018 - 01:49
1 206 by The Code
Tue, 09/18/2018 - 01:49
Closed topic Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
by Codemaster » Tue, 09/18/2018 - 02:10
1 264 by Codemaster
Tue, 09/18/2018 - 02:10
Closed topic How can I install mondo rescue on my server for full system backup?
by AndreasOS » Tue, 09/18/2018 - 19:33
2 364 by AndreasOS
Tue, 09/18/2018 - 19:33
Closed topic The package lists or status file could not be parsed or opened.
by The Code » Tue, 09/18/2018 - 20:06
1 297 by The Code
Tue, 09/18/2018 - 20:06
Closed topic Unable to locate package mondo
by The Code » Tue, 09/18/2018 - 20:16
1 368 by The Code
Tue, 09/18/2018 - 22:19
Closed topic How can I check disk space?
by Codemaster » Sat, 09/22/2018 - 11:52
1 283 by Codemaster
Sat, 09/22/2018 - 11:52
Closed topic Why is the password readable in keyfile.txt?
by AndreasOS » Sun, 09/23/2018 - 00:44
1 322 by AndreasOS
Sun, 09/23/2018 - 00:44
Closed topic How can I use SSH-key authentivication to login at my server with my mobile phone?
by The Code » Sun, 09/23/2018 - 02:55
0 306 by The Code
Mon, 09/24/2018 - 18:08
Closed topic How can I generate a SSH-keyfile for multiple Linux machines?
by chonthicha tutama » Sun, 09/23/2018 - 03:19
1 350 by chonthicha tutama
Mon, 09/24/2018 - 18:08
Closed topic How can I delete the exisiting public key and replace it with fresh?
by AndreasOS » Sun, 09/23/2018 - 00:40
1 237 by AndreasOS
Sat, 09/29/2018 - 22:32
Closed topic Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
by Skywalker » Sun, 10/14/2018 - 08:47
0 378 by Skywalker
Sun, 10/14/2018 - 08:47
Closed topic Where can I find the php.ini file in Linux Ubuntu?
by Skywalker » Sun, 10/14/2018 - 09:17
0 255 by Skywalker
Sun, 10/14/2018 - 09:17
Closed topic Copying server backup to a local virtual machine using tar command
by chonthicha tutama » Mon, 10/15/2018 - 22:40
1 311 by chonthicha tutama
Tue, 10/16/2018 - 01:23
Closed topic Which files do I need to backup for backing up a Ubuntu Server?
by chonthicha tutama » Mon, 09/17/2018 - 23:53
2 328 by chonthicha tutama
Tue, 10/16/2018 - 01:24
Closed topic QF Pulling From Solrconfig.xml Instead of Configoverlay.json
by coreyellsworth » Mon, 11/05/2018 - 23:36
0 317 by coreyellsworth
Mon, 11/05/2018 - 23:36
Closed topic Fixing 504 Bad Gateway nginx error
by Skywalker » Sun, 10/14/2018 - 16:21
1 716 by Skywalker
Wed, 01/16/2019 - 16:38
Closed topic No supported authentication methods available [preauth] sshd[5309]: error:
by chonthicha tutama » Sun, 01/27/2019 - 00:09
0 244 by chonthicha tutama
Sun, 01/27/2019 - 00:09
Closed topic Logged out on my Linux Ubuntu machine and can't login anymore
by tuckeranddale » Sun, 01/27/2019 - 21:31
2 237 by tuckeranddale
Sun, 01/27/2019 - 22:26
Closed topic Why Spamassasin gives itselve shh access with bin/sh?
by tuckeranddale » Sat, 01/26/2019 - 02:08
1 213 by tuckeranddale
Sun, 01/27/2019 - 22:28
Closed topic Server refused our key
by chonthicha tutama » Sun, 01/27/2019 - 17:19
6 367 by chonthicha tutama
Fri, 02/01/2019 - 02:26
Closed topic nmap shows port 21 to be open
by Codebutcher » Sun, 02/03/2019 - 18:40
0 156 by Codebutcher
Sun, 02/03/2019 - 18:40
Closed topic SFTP not working after enabling Plesk firewall
by chonthicha tutama » Tue, 02/05/2019 - 15:48
0 244 by chonthicha tutama
Tue, 02/05/2019 - 15:48
Closed topic I forgot the password for ubuntu on virtual machine
by chonthicha tutama » Tue, 02/05/2019 - 21:38
0 248 by chonthicha tutama
Tue, 02/05/2019 - 21:38
Closed topic How can I use rsync on my virtual machine to back up a remote linux system?
by chonthicha tutama » Sat, 02/09/2019 - 13:26
0 218 by chonthicha tutama
Sat, 02/09/2019 - 13:26
Closed topic How can I connect my virtual machine to the internet
by chonthicha tutama » Sun, 02/10/2019 - 01:12
0 195 by chonthicha tutama
Sun, 02/10/2019 - 01:12
Closed topic cli_loaddbdir(): No supported database files found in /var/lib/clamav
by tuckeranddale » Tue, 02/12/2019 - 00:11
1 280 by tuckeranddale
Tue, 02/12/2019 - 00:11
Closed topic Can I open ClamTK from the linux prompt?
by tuckeranddale » Tue, 02/12/2019 - 00:16
1 326 by tuckeranddale
Tue, 02/12/2019 - 00:20
Closed topic I would like to ssh my Linux Ubuntu machine on a VM hosted by Windows 10
by chonthicha tutama » Fri, 02/15/2019 - 23:46
0 196 by chonthicha tutama
Sat, 02/16/2019 - 00:28
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