CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat.

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2answers
39 views

CentOS issue extracting Plesk backup tar

I am currently moving to a new server and have a Plesk backup file in Dropbox made with the Plesk Dropbox Backup extension, the .tar file is around 55GB in size. I have downloaded it to the server ...
0
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0answers
12 views

centos login in the first time [migrated]

I'm a beginner to play Linux. And I've installed Centos into the VMware. However, after I set the settings, the windows run the all black window and ask me to login. Of course , I key my account and ...
1
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0answers
15 views

Centos - PhpMyAdmin showing blank screen when trying to access it [closed]

I have just installed PhpMyAdmin, and when i try to access it it just shows a blank screen. I suspected this is because i followed a tutorial on how to secure php, so i reinstalled php to reset the ...
1
vote
1answer
57 views

High CPU usage by Apache on opening WordPress Admin Pages

I'm having a VPS server with below configuration 2 core CPU 2GB RAM 50 SSD Centos 7 Web Panel: Sentora From the last week, I'm facing a high CPU usage. Most the sites are WordPress. On opening each ...
0
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1answer
65 views

can not ping any hostname

I recently got a server from a company for new mail service configuration but now i have a amazing problem! "ping google.com" not working and returned "ping: unknown host google.com" , but ping ...
0
votes
1answer
33 views

How to disable ssl plugin on MySQL 5.7 server?

New introduced SSL connections on MySQL Server is now default installed on CentOS 6.7 default rep. Just removing the certificate files can solve it accoding with Docs: "If the server does not ...
0
votes
1answer
24 views

AutoMySQLBackup: Create a single file for each database

I'm backupping my databases with automysqlbackup. This works fine - but unfortunately I do not get a single file for each database but a cumulative file called ...
-1
votes
1answer
47 views

Can connect via SSH - but not via SFTP? Exit status 127

Unfortunately I can not connect via sftp to my VPS: This is my sshd_config: # Package generated configuration file # See the sshd_config(5) manpage for details # What ports, IPs and protocols we ...
6
votes
1answer
531 views

Can't access https despite port 443 is opened

This is my first time setting up a server and I've just installed a SSL cert. I have also made some changes to the iptable to allow access to 443. Below is the output of iptables -L target prot ...
-2
votes
1answer
64 views

How to create RDNS (Reverse DNS) [closed]

How to create a RDNS (Reverse DNS) in centos or Ubuntu [PTR record] I searched a lot in Internet and didn't find any solutions. I got a idea it can be done by BIND or BIND9. In some forum i seen ...
-1
votes
0answers
32 views

Installing mysqlnd for php 5.6 on CentOs 7

I get php warning: mysql_connect(): Headers and client library minor version mismatch. Headers:50547 Library:50624 Also I read that I need to install mysqlnd to my server. I tried do it using: ...
0
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0answers
23 views

CentOS df misreports free disk space (due to mounted volume?)

I have a server with an LVM volume mounted under /mnt. When running df -h to check free disk space, it appears to show the space consumed under /mnt as being used in /: [root@monitor spool]# df -h ...
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0answers
22 views

Create xfs system with mfks

I'am following a guide to install Zenoss which asks me to create a xfs system. To do this I need to run the following command: mkfs -t xfs Partition The guide says as follows: 'Replace Partition ...
1
vote
1answer
43 views

nvme device dropouts - I/O 0 QID 0 timeout, controller disabled

We have 6 Supermicro servers all of the same (or very similar spec), Over the last two weeks one of them has been dropped an NVMe disk at random times due to: [ 66.856719] nvme 0000:03:00.0: I/O 0 ...
0
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0answers
34 views

Why does MariaDB hang on shutdown on CentOS 7?

I installed MariaDB 5.5 using the CentOS 7 packages (yum install mariadb mariadb-server). The server starts up OK and seems to work fine, but it won't shut down properly. Every time I do systemctl ...
0
votes
3answers
81 views

Yum update errors

I try to run yum update but I have three errors. I try to run the commands suggested but change nothing. How I can solve this errors? --> Processing Dependency: libzip.so.4 for package: ...
0
votes
0answers
15 views

How can I configure a Django website to work with Apache 2.4 VirtualHosts?

I recently started developing Django websites and I want to deploy them on a CentOS VPS with mod_wsgi and Apache. I followed this guide and it works perfectly, but I would like to have more than one ...
1
vote
1answer
37 views

Unable to access Amazon EC2 Centos 6 web server with Elastic IP

I'm new to linux and AWS. What I've done: 1. I've setup a Centos 6 instance from the AWS store. 2. I just installed the web server and configured the web server with the basics. 3. I've setup the ...
0
votes
3answers
65 views

upgrading openssl in CentOS 7

First, I tried downloading the source tarball openssl-1.0.1s.tar.gz from openssl.org and doing a ./config && make install, and although it seems to have completed the process successfully, I ...
0
votes
1answer
25 views

Error configuring Cron with php command

So i have been configuring a phpIPAM server and as the documentation suggests, to make an automatic discovery of hosts, i need to use a scheduled process. I have tried in /etc/cron.d with no luck and ...
0
votes
2answers
44 views

How to keep openvpn connection open on Centos

I access test server via shell and i use this command to connect to VPN sudo openvpn client.conf I want to keep the connection open with the VPN, something like service when you make service ...
0
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0answers
37 views

Firewalld blocks IPv6, ignores config

I'm trying to setup an IPv6 web-server on CentOS 7.2 with NGINX. I have tested my IPv6 connectivity outgoing and incoming - everything works. My IP, AAAA records, etc as fine as well. Essentially ...
0
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2answers
43 views

Someone sending email through my Postfix/Dove

there might have been answers to this many times. But I can't seem to find one that fits my issues so here we go: I've ran an email server on my centos machine for over four months without problem, ...
-4
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0answers
26 views

What does the 'g' mean under VIRT in “top” on linux?

The output from "top" for a server of mine says this: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 64860 mongod 20 0 16.721g 81016 16820 R 0.7 4.7 18:37.66 ...
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votes
2answers
68 views

Linux SSH Timeout [closed]

I have been struggling with a couple system timing out after X minutes of inactivity and not sure how to fix it. I have a CentOS box at my office. Connect to SSH can not touch it for 2 hours and its ...
0
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0answers
15 views

Getting “Failed to initialize temporary dir” in Dovecot when doing MOVE to Spam via IMAP

The IMAP client attempts to move emails in Spam folder. Sometimes (very rarely) this operation fails as below: > TAG4 UID MOVE 32235,32234 "Spam" < TAG4 NO [CANNOT] Failed to initialize ...
1
vote
1answer
35 views

Backup CentOS VM on Remote Server without snapshots

I have a VM with CentOS Server installed, which is for Email and Web Services, on a free esxi. The entire esxi has 2 TB usable and the CentOS server has 1.5 TB provisioned. Another CentOS VM that runs ...
0
votes
0answers
7 views

Two network cards, one directly to internet, other in LAN [migrated]

I need some insight in my thinking so that I don't do something completely stupid. I have two physical network cards on my computer, one card/interface offers a handful of services and the other is ...
0
votes
1answer
26 views

Why is lfd prematurely removing blocks?

As you can see in the excerpted log file below (from /var/log/lfd.log), lfd is prematurely removing temporary blocks that it imposes on IPs: Apr 7 13:07:59 host lfd[32117]: (wordpressxmlrpc) Request ...
1
vote
0answers
13 views

How do I use Client9's IPCat with IPTables

I'd like to block all ips of all datacenters in the world with this list: https://github.com/client9/ipcat But I don't know how to use that list, I'd like a bash script that checks if there's an ...
0
votes
2answers
37 views

Build a production IPA server without integrate DNS and NTP with client

We are going to deploy a centralized authentication Linux server (RHEL6) for our RedHat/CentOS servers in Data Center environment. I made some search I believe Free IPA is the best choice since it's ...
0
votes
1answer
22 views

CentOS: How to create a default route after server starts

I'm using CentOS 6.7 on Proxmox KVM. Now I would like to get my network-connection working. This is my config: Now I have to perform ip route add 89.xxx.xxx.1 dev eth0 and ip route add ...
0
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0answers
17 views

“-bash: fork: retry: …” on SSH connection

When I'm connecting via ssh to my useraccount of my server, I'm getting the following error: -bash: fork: retry: No child processes -bash: fork: Resource temporarily unavailable Does anyone ...
0
votes
1answer
19 views

Web App Error After Installing Java on Centos Server

Good day. My web app is programmed in jsp, using some of jQuery and javascript, is on a server with Centos 6.4, the app run its own java 1.7.0 - tomcat 8.0.21 and between its functions, uses ...
-1
votes
0answers
11 views

adding an enabled network controller to linux

According to the lspci, there are three ethernet controllers and indeed there are three network sockets on the motherboard. All of them are enabled in BIOS and their LEDs blink. 02:00.0 Ethernet ...
3
votes
1answer
32 views

Very Huge Sized Cache of Duplicity

I am currently using a duplicity script to backup my 110G/2T CentOS server to a 2T sftp server. Since 4 days passed, duplicity backed up just 90G. This is not a problem. The main problem is; I have ...
0
votes
0answers
17 views

WSGI socket errors with Trac install - (prefork, not ITK)

I am trying to run Trac using Apache 2.2.15 and mod_wsgi 3.2 (prefork). I am having the same socket problem described here: WSGI says "permissions denied" on my Ubuntu server, no ...
0
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0answers
16 views

Exclude or change package used as dependency in rpm package under CentOS

I have an RPM package that depends on many other packages, so installing it will install everything I need - quite a normal approach. But one of the packages depends on custom nginx build (general ...
2
votes
1answer
27 views

NFS - Multiple sub dirs - Only one squashing as expected

Getting an unexpected behavior when mounting more than a single share. NFS Server $ -> cd /mnt/raid/nas && ls -lZa drwxrwxr-x. nas filer unconfined_u:object_r:file_t:s0 file ...
0
votes
0answers
33 views

Error connecting to IMAP server due to Permission denied

I'm using Postfix as MTA, Dovecot as IMAP server and Squirrel mail for web client. All of them are hosted in centos 6.7. Everything goes fine, but sometimes it shows following error(I face this more ...
-4
votes
2answers
44 views

Cannot copy a local file to live server over a port other than 22 [closed]

I am trying to copy a file from my computer to my server through scp command. I have changed the default sshd port from 22 to 36871. Now, the problem is when I issue the scp command over port 36871, I ...
0
votes
0answers
14 views

SSL Port 8443 blocked in node.js

I have node.js listening on port 8443 using SSL . net stat shows node listening and I can telnet to the port. However, access is blocked for some reason. Firewall list ports shows that the port is ...
0
votes
0answers
18 views

Apache process memory footprint - disabling modules has no effect

Apache processes running on my server are using much more memory than I would expect. OS: Centos 7 RAM: 4GB mpm: Pre-fork php: mod_php My httpd.conf includes the modules in the following manner: ...
0
votes
2answers
16 views

Removing root access from pre-existing user accounts

I have a group of servers that I want to retain the users and their data. My problem is that my users already had root access to their servers and some have installed software using the root account. ...
0
votes
0answers
20 views

firewalld multiple public ips to multiple private ips routing

I'm trying to use CentOS 7 server as a firewall/nat for some sensitive servers on the LAN. The CentOS server has multiple public IPs (one per box on the LAN) and I'm trying to associate each external ...
0
votes
2answers
24 views

The data connection could not be established: EHOSTUNREACH - No route to host : Issue only with ftpes

I am getting following error while connecting to my ftp server. I have configured my ftp client with following details. ftp host : ftpes://hostname ftp user : username password : ******** Port : 21 ...
0
votes
0answers
35 views

User ldap cannot change password : LDAP password information update failed: Insufficient access

I'm using centos 6.7 to create LDAP server, but the user still cannot change their own password. The error when user try to change the password : [john2@servergw ~]$ passwd Changing password for ...
1
vote
0answers
28 views

NGNIX server blocks didn't work

I have 4 websites on VPS ip 104.207.148.242. I have been install NGNIX 1.8.1 successful. I do these steps: Make web directories: sudo mkdir -p /var/www/codingvn.com/html sudo mkdir -p ...
-1
votes
2answers
24 views

Unable to install Subversion on Centos 6

I am attempting to install the subversion client on Centos 6.7 but after running: yum install subversion I get the below response: Error: Package: subversion-1.6.17-1.el5.x86_64 (amberdms-updates) ...
8
votes
1answer
88 views

CentOS 7 - Directories created through VSFTPD not inheriting SELinux contexts

Our company has a webserver with CentOS 7 and our customers manage their websites through FTP (vsftpd). SELinux is in enforcing mode. The issue is that data created/uploadad through VSFTPD is not ...