Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel.

learn more… | top users | synonyms (1)

0
votes
0answers
29 views

GPO software installation from SAMBA server denied

I have a similar issue at 2 sites: W10p desktops provisioned from scratch, pulling installation (MSI) binaries from local SAMBA server. I've created a dedicated share (\nas\provisioning) & tried ...
-2
votes
0answers
26 views

How many IP I can get on a dedicate server [closed]

I am planning to buy a dedicated server and host 10 website . Is it possible to get as many IP I want ? or I have to pay provider for each IP ?
0
votes
2answers
94 views

Visitors from strange IP addresses

Almost every day I have new users on my website that come from strange IP addresses: 162.158.102.39 162.158.102.41 162.158.103.42 etc. Maxmind says these IP addresses belong to Poland, Cloudflare. ...
1
vote
2answers
36 views

Change /dev/shm privileges on Red Hat

I suck at Linux and I need your help :) I have a piece of software that uses /dev/shm for whatever reason. The software cannot be run as root. On my system however /dev/shm is owned by root and has ...
0
votes
1answer
18 views

Can not start a Docker container

I Built an image using flask, nginx and uwsgi. FROM ubuntu:14.04 MAINTAINER Ali Mezgani <xxxxxxxxx@gmail.com> RUN apt-get update && apt-get -y install python python-dev python-pip RUN ...
0
votes
1answer
27 views

How can I identify applications or processes using thunder protocol in the network

For the last one week we have been having performance issues with our internet connection. The only thing that i know of that has changed with in this period is that I have upgraded several desktop OS ...
0
votes
1answer
26 views

Error mounting ebs in amazon ec2

I have accidently changed permissions for my /etc/sudoers and /etc folders and thereby I am unable to access anything through sudo. After that I detached my ebs volume from the instance and attached ...
0
votes
1answer
69 views

OpenFire authentication against Samba Active Directory using StartTLS

I am trying to authenticate different services (specifically openfire for now) against Samba Active Directory over StartTLS (port 389). While setting openfire up, I checked this option (Use StartTLS),...
-1
votes
0answers
25 views

Achieving repeatability

I am going to be setting up a single server at my college to deploy some tools and resources for students to use. Being a student myself, I will not be there for much longer, and I expect the server ...
0
votes
1answer
31 views

ssmtp settings for namecheap: Invalid response SMTP Server (STARTTLS)

I am trying to configure ssmtp to use the namecheap smtp server to send emails. My current configuration: root=my@email.com mailhub=mail.privateemail.com:465 rewriteDomain=email.com hostname=email....
0
votes
2answers
49 views

How to make a shell script recursive?

I have this shell script from ISPConfig: #!/bin/sh PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin . /etc/profile umask 022 if [ -f /usr/local/ispconfig/server/...
0
votes
0answers
16 views

No Partition statistics with iostat on NVMe devices with Linux

I have Linux servers with Kernel 3.16.0-73-generic #95~14.04.1-Ubuntu SMP x86_64 on a Dell Server with Ubuntu. Those servers have multiple SAS disks (with and without RAID on the PERC controller) as ...
0
votes
0answers
37 views

PHP “mysqli.so: undefined symbol: mysqlnd_connect in Unknown on line 0”

I have been trying to get PHP CLI (7.0.7 on Ubuntu) working together with mysqli, but without success. I keep getting the same error message when starting it: mysqli.so: undefined symbol: ...
0
votes
0answers
24 views

AIDE Self Protection - Best Practices

I set up a pretty simple server and tried to make it secure using some tools and some guidelines which I think are not too bad. I came up using AIDE, which is fast as an implementation of an ...
1
vote
1answer
21 views

Parse through a list of Ansible variables and refer to itself while running task

Problem I have a simple Ansible playbook that creates a list of tmux sessions and then runs a script inside of each session. I am trying to give the tmux sessions names in my vars.yml file. My ...
2
votes
1answer
26 views

Why is a Linux host interpretting the zero key as enter?

I am connecting to a Debian virtual machine using PuTTY, and every time I press the 0 (zero) key, the command line behaves as if I've pressed enter. Why might this be and how can I change it? ...
1
vote
1answer
22 views

Client route for OpenVPN Access Server

I am running OpenVPN Access Server and I'd like to push a route to every client on connection that is the equivalent of: sudo ip route add 172.17.0.0/24 via 172.27.232.1 Where should I go to set ...
1
vote
0answers
44 views

How to install PHP 5.6 redis extension on Ubuntu 14

We used to install PHP's Redis extension using PECL. But it seems PECL has dropped support for this for PHP versions less than 7.0. What's the best way to do this without PECL? We're on Ubuntu 14.x ...
2
votes
0answers
28 views

Preserve Linux Capabilities in Debian Package

I'm building a package containing a web service that needs to listen on port 443. The service itself is written in Go, so I can't use authbind to manage the port permissions. Instead, I've opted to ...
0
votes
1answer
47 views

linux + dose each security kernel rpm will install the relevant initrd and vmlinuz files under /boot

I just print the kernel rpms that need to install on my redhat machine (version 6.5) # yum list-security --security | grep kernel-[0-9] RHSA-2014:1143 security kernel-2.6.18-371.12.1.el5.x86_64 ...
0
votes
0answers
18 views

Using virtual hard drive as data container, what are the possible downsides?

At the moment I am using exclusively Windows 7, but I intend to move all the data to a Ubuntu server with Snapraid as redundancy for non-volatile data and software RAID for more changeable data. For ...
0
votes
1answer
26 views

IPv6 connection between 2 computers doesn't work

I have 2 Linux computers with the following IPv6 addresses: 1: fe80::de0e:a1ff:fe15:13e0 prefixlen 64 2: fe80::2e0:4cff:feb0:f8d prefixlen 64 When on the first computer I try: # ping fe80::2e0:...
-2
votes
0answers
47 views

Configure postfix to change outgoing email address from account@localhostname to another email address [closed]

There are several accounts already created in postfix. They send out automatic emails to users like i.e. to notify them that their account was successfully created. Currently these automatic emails ...
1
vote
0answers
15 views

How to receive snmp v3 traps without specific enginedID?

I'm using snmptrapd on linux from net-snmp package. I'm trying to make some perl script to handle snmp traps. I'm already have such script and it works with snmp v1, v2c traps and with snmpv3 traps ...
0
votes
0answers
6 views

Username lookup for TCP Wrapper

I would like to ask people in this community regarding to TCP Wrapper. My OS environment is below. [root@server1 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.2 (Maipo) [...
0
votes
1answer
21 views

ldapsearch can't connect to ldaps

I am using a Centos 6.6 and i'm trying to use ldapsearch to connect to my windows ad server and i can't connect using port 636. I exported the CA root certificate of my ad server in base64 and added ...
0
votes
0answers
27 views

Make Postfix relay to a different host for sending email based on RECIPIENT domain

Is there a way to make postfix authenticate and relay on a different host for sending email TO a particular domain? The sender domain does not matter, I need postfix to relay to a different host if ...
0
votes
1answer
25 views

How to create two file in two difference physical volume of a volume group

I have two physical volume (for example: /dev/sdc and /dev/sdd). I create a volume group (VG001) from the two physical volume, and I create a logical volume which take entire the volume group. From ...
-2
votes
2answers
30 views

Delete a file with name '--help' using rm command [duplicate]

just want to share an interesting or rather accidentally discovered bug for Unix 'rm' command. I have accidentally created the file named '--help'. However, when I try to delete using rm command, it ...
1
vote
0answers
26 views

How to disable auto fsck in Centos 7?

Is there a way to disable auto fsck while booting up on Centos 7 when it is XFS file system running on it. I know in legacy versions, we use touch /forcefsck, tune2fs -c0 -i0 /dev/FILESXX etc to ...
0
votes
1answer
15 views

Should package post install script run database migration?

So I have this debian package that install some nodejs application web app which uses a mysql database. The package have a postinst script that run the db migrate command bundled with he package. Now,...
1
vote
1answer
18 views

FreeIPA AD Trust based Integration using SunLDAP to store Policies

If we want to use the FreeIPA Active Directory Trust Integration Option, can we use an existing implementation of SunLDAP to store the Policies (e.g. sudo, hbac etc.) Essentially we don't to create ...
1
vote
1answer
71 views

pxe boot microsoft surface

I'm wondering if anyone has ever attempted this before with a Linux PXE Server? I've got it setup and working for pretty much every other laptop and desktop out there. This is the first time I have ...
0
votes
0answers
4 views

In snmptrapd is it possible to forward and execute a script for each trap?

I want to both handle the trap with a script and forward the trap to a third party system is this possible with snmptrapd?
0
votes
0answers
19 views

freeradius+ external users database

I need authenticate users with freeradius, these users are located in an existing external database. I think that the rest_module can help me to do that, in that case, which values the rest api ...
0
votes
1answer
41 views

Irresponsive nginx while doing “nginx reload”

While reloading nginx, I started getting errors in messages log "possible SYN flooding on port 443", and it seems like nginx becomes completely irresponsive at that time (quite for a while), cause ...
0
votes
0answers
28 views

Inherited debian cluster nightmare

Hi and thanks in advance. So my research group at my university inherited an 8 node cluster. Me being the only member who is Linux savvy was given the task of managing it. So to start I'll describe ...
0
votes
0answers
11 views

How to configure rsyslog to log message from different servers and forward to different servers?

Scenario: I have multiple sites say around 14, and a central syslog server, now entire logging is done at central log server. But I need to log the data at central syslog server individually for ...
0
votes
0answers
13 views

How to determine maximum concurrent requests that a server configuration can handle? [duplicate]

I want to buy a used server, but I don't know how to select the best one according to my needs. I have millions of static files, all of them are html, css, js and images, and are under 1MB is size. ...
0
votes
0answers
34 views

High memory usage, but not clear where it goes

My system is a software network intercepter, which runs on a Ubuntu 14.04.4 LTS (GNU/Linux 3.16.0-71-generic x86_64). I have it deployed in several sites, yet a specific one gives me the following ...
-1
votes
0answers
28 views

How to install perf utility on red hat 5.10

Is the there a way to install perf on red hat linux 5.10 ? I tried the normal way but it failed sudo yum install perf Loaded plugins: aliases, changelog, downloadonly, fastestmirror, filter-...
0
votes
0answers
55 views

Out of memory: The process “mysqld” was terminated because the system is low on memory

I got this email alert today, with the following information: Process Name mysqld Event Time Tuesday, June 14, 2016 at 11:09:42 PM UTC PID 1820 Process UID 498 Process Username mysql ...
0
votes
0answers
11 views

X11 Forwarding using Attachmate Reflection

I've been using Putty for my SSH connections. I've been able to use XMing and X11 forwarding without a problem. I have to switch to Attachmate Reflection for work. I connect to the same machine and ...
0
votes
0answers
15 views

libnss-ldapd and Onelogin vLDAP

I'm trying to get Onelogin's new vLDAP service working with libnss-ldapd on an Ubuntu server (14.04). It looks like vLDAP uses authenticated bind per user. I've tried lots of different configurations ...
0
votes
1answer
39 views

Unable to communicate with pacemaker host while authorising

I'm trying to configure pacemaker cluster with two hosts, I'm using two centos 7(CentOS Linux release 7.2.1511 (Core)) virtual machines. What I did so far: I installed packages: yum install ...
0
votes
1answer
16 views

SGE/OGS 2011 breaking Ansys Workbench Mechanical launch due to network port blocked

We are running a SGE / OGS compute cluster on EL6 and are trying to launch an interactive Ansys Workbench. This works using SSH with X Forwarding, but using qrsh fails to run the Mechanical component -...
0
votes
0answers
15 views

How can I launch graph500 benchmark on nVidia GPU with CUDA?

How can I launch graph500 benchmark on nVidia GPU with CUDA? There is written: https://devblogs.nvidia.com/parallelforall/gpus-graph-predictive-analytics/ At the IEEE Bigdata conference later in ...
0
votes
3answers
89 views

Passwordless root SSH on CentOS 6 with public key

I am trying to create a "passwordless" setup so that the remote server is more secure without password + I can automate the login process. I have created a new ssh key with ssh-keygen, and copied the ...