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

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How to stream video from my Debian server? [on hold]

I have a dedicated debian server that contains a lot of video files and music files. I want to be able to watch these videos and listen to music from my laptop(also debian). Im primarily using VLC, ...
2
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1answer
20 views

How can I allow users to reset their Linux user passwords from a web interface?

I am running SAS Visual Analytics on a cluster for my department. I want the users to be able to set and reset their own password for their user account. Users and Passwords for the application are ...
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0answers
4 views

Allowing users to mount arbitrary directories

I'm attempting to roll out eCryptFS support for users on our RHEL infrastructure. One large snag has come up. Given a user with no root access and (preferably) without the use of sudo, how would one ...
3
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2answers
167 views

Which linux package contains the top command?

Many of the common utilities in linux either come packaged in util-linux from Linux Foundation or coreutils from GNU. The man page for top doesn't specify anything. I am using CentOS.
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1answer
23 views

How to get the DHCP-controlled DNS domain name for my Ubuntu machines in a Windows network?

I've been going in circles for a while trying to figure this out. I have a number of Ubuntu machines (some virtual) on a Windows network. From a Windows machine, I can ping or nslookup the Ubuntu ...
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1answer
8 views

Do I need FIS-based switching for Linux software RAID when *not* using a port multiplier?

I'm planning to build a home NAS with an ASRock AM1H-ITX with four S-ATA disks. According to the manual the board features two S-ATA controllers: 2 x SATA3 6.0 Gb/s Connectors by AMD AM1 Series ...
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0answers
14 views

Get disk serial number by smartctl under raid0 of LSI

I'm trying to get the disk serial number of disks attached to the Centos server. When there was no raid0 (under LSI), I can get the serial number and model of /dev/sdb by: smartctl -i /dev/sdb and ...
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0answers
15 views

Nginx and gunicorn are not displaying the whole page (caching issue)

I have a django application, which works fine on django's server. I just configured it to work with nginx and gunicorn. Almost every page works just fine except for one of them. It is a pretty big ...
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0answers
15 views

How to disable Symbolic link creation option to users in cPanel server? [on hold]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
1
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0answers
12 views

Two allowed paths in rsync command in authorized_keys

I have a question about rsync restriction in authorized_keys command. I need to copy files via rsync from one server to another without prompting password. There is no problem, but I need to specify ...
2
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1answer
16 views

Setting default nice value for a program on linux

Strange as it seems, I can't find information how I can set a default nice value for a program (not for a user or a group!). I would like to start all chrome and firefox instances with a nice value of ...
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0answers
16 views

Openvpn stops responding [migrated]

I've been trying to set up openvpn with a vps and raspberry pi. The raspi is natted while the vps is public. I've tried connecting to the openvpn from mint laptop as well, but it's no use: Server ...
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1answer
29 views

How to limit outgoing traffic per IP Address using Linux TC

I want to limit outgoing traffic per IP address. For example I have a network interface eth0, having 1Gbps of bandwidth. I want to limit the whole network interface to 1Mbps each destination IP ...
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0answers
17 views

Linux - iptables - get youtube streaming bytes usage [on hold]

How do i get bytes usage using iptables for particular IP for all data usage including youtube streaming videos Currently i am using following IP tables rule to get data usage by particular IP ...
0
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1answer
20 views

How to compress files before Rsnapshot remote backup start? [on hold]

I have some remote servers and one backup server, I'm using Rsnapshot to do the remote backup on the backup server. In my plan, I want to run shell script to compress files first, then Rsnapshot can ...
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0answers
14 views

ls hangs on NAS mount point

Frequently we are running into this problem. our NAS mount points works perfectly and all of sudden it hangs. when we go and do ls hangs the terminal. strace ls /srv/git hangs here ...
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0answers
13 views

Dell r730 + Dell 12Gb SAS + Centos 7 + netvault 9.2 quantum superloader 3 not found

In the above configuration Netvault does not find the library attached to the sas controller. What driver should I see with lsmod for the SAS card? I have: ... mpt3sas 195379 0 ...
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0answers
48 views

How to remove directory from rsync share completely [migrated]

Is there any rsync command that can remove some remote directory from rsync share completely? I mean delete not only directory content but the directory itself. And without rsyncing the entire parent ...
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0answers
17 views

Postfix Email Server Manipulation

I have one postfix mail server (postfix-2.10.1-6.el7.x86_64) under CentOS7. Now, our App Department is using it to send sms'es via email. To: 123456789@domain.tld To: 987654321@domain.tld To: ...
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0answers
17 views

ubuntu shell-script install php5 if files already exist

I have the Problem with a ShellScricpt on Ubuntu, because i use vagrant to setup an webserver and I have synced folders to the php5 folder and extension-folder. When I have files in the Folder before ...
1
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1answer
16 views

post_max_size will not change, stuck at 128M, other settings work

I am trying to increase post_max_size to 1024MB, I am using ini_get('post_max_size') and phpinfo() to check the setting and post_max_size shows as 128M in both. some phpinfo() on the server: PHP ...
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1answer
19 views

Can OpenAFS be used as NFS?

I have an application that only runs on Linux, which will generate ~500TB of data over the next year, which all must be kept and backed up each day. It would be temping to go with ZFSonLinux or ...
2
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0answers
12 views

proc-sys-fs-binfmt_misc.automount failed service

I have just installed systemd and I have a failing service, proc-sys-fs-binfmt_misc.automount. I've seen here it's a part of systemd: Is this file important? How do I solve the activation issue ? ...
11
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2answers
256 views

How to uninstall newly installed dependencies for a RPM package?

Is there an easy way to make a list of the dependencies a newly installed RPM package will install with yum? Example: If you do yum install ruby then it will also install some rubygems. But when I ...
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38 views

is there a way to determine what process has written a file? linux [duplicate]

The answer marked as duplicate is not related to my question which is very specific. I need to know if there is a command or information stored on linux about how a particular file was written please. ...
1
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1answer
21 views

Benign Email Headers

On our server, we have two separate email systems: if it's a long queue of recipients, then we store it in a queue to be sent in a cron. If it's less than X number of recipients, then it sends ...
2
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0answers
29 views

elasticsearch fails periodically on ubuntu with systemd : how to resolve this?

I am using Elasticsearch on Ubuntu 14.10 and it's periodically going down (entering a failed state). When down, this throws exceptions on my website, users can't search, connect or update database ...
0
votes
1answer
25 views

How to find faulty memory module from MCE message?

I am trying to understand MCE message to find which memory module is bad on a server. This message appears in /var/log/kern.log in one server that freezes two times today. Apr 13 22:39:22 mbox ...
0
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1answer
14 views

ssh tunneling lmgrd port what I've missed?

I've got 2 machines: one local , one flexserver I'd like to do a ssh connection for forwarding the TCP port of the flexserver. On the flexserver, lmutil lmstat -c 5280@localhost is working fine So I ...
0
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2answers
39 views

Http Requests: how to identify a machine using multiple IP addresses

I have an http server. Is it possible to identify a machine, which is making http requests to my http server using different IP addresses? In other words, is it possible to identify a machine, by ...
1
vote
1answer
27 views

Apache status says stopped but still httpd process running

I am new to Apache, the server Apache status stopped but still the process is running. The web page is serving properly. When i tried to restart the process, it's not. I believe the parent process is ...
0
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1answer
18 views

How to handle lots of file downloads from my linux server [duplicate]

I have a file 50MB file hosted in my deticated linux server, each day there is almost 50K users that download this file (2.5GB a day). There are lots of crashes and users reports that sometimes even ...
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0answers
16 views

My VPS sends huge spam :( [duplicate]

since I am not tech guy I am trying to find someone who can help me but with no success so far. My VPS sends spam. Like a lot. 1,4TB in two days even though we restart immediately it when we see huge ...
0
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1answer
30 views

Crontab is delayed by 2 hours [duplicate]

I have got a problem with two crontabs that execute some operations on my website: the first one run a command every 3 minutes and the second one at 5am in this way: m h dom mon dow command 0 ...
0
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1answer
47 views

In /etc/hosts is there something special about the first hostname for any given line?

I know that the first one is said to be canonical, but I don't fully understand the practical implications. This question was triggered by the man page for hostname -f, specifically when it says: ...
3
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1answer
27 views

OpenLDAP advanced ACL configuration

I have a multiple DITs in my OpenLDAP server. I made user cn=config the root so that cn=config has root access to all DITs (each DIT). In addition, there is a per-DIT administrator IDed as ...
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1answer
18 views

Cyberpower UPS usage with a Linux arm based sytem

I have a UPS (Cyberpower CP900EPFCLCD) which I would like to connect to an arm based server via USB. Unfortunately, Cyberpower doesn't provide a daemon for arm based platforms at the moment. Is there ...
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0answers
4 views

Scripted write-then-read from Unix domain socket using socat [migrated]

I have a simple server listening on a Unix domain socket (on a CentOS box in case that's important). When I send the command "DATE" to the socket it writes back a welcome message and then "APRIL 15 ...
2
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0answers
25 views

Solving an asymetric HA Firewall/router

I have an old Linux HA firewall/router setup that never quite worked. As it was never quite put into true production (just testing and demo's), I always had to have one firewall shutdown to make it ...
1
vote
1answer
20 views

MySQL PID Errors

While attempting to change the MySQL server timezone to CDT to match the Centos sytem time, something has messed up. I edited the my.conf in /etc/ in vim logged in to SSH as root, and saved it. On ...
2
votes
1answer
28 views

How to test for file absence with serverspec?

The serverspec guide on resource types doesn't explain how to test for the absence of a file. This is the best I could come up with: describe command('/bin/bash -c "[[ ! -e /var/foo ]]"') do ...
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votes
0answers
12 views

Iodine server not accessible: [on hold]

I'm trying to get Iodine running on my Kali Linux server but I keep getting errors. Following the instructions, I: Created an A record at noip.com - myname.ddns.net - for my router's dynamic IP ...
3
votes
1answer
9 views

How to copy a directory of files before a particular service starts up on Windows 7

I have a Windows 7 desktop and a Linux server running SSH and Samba services. The Windows machine has a directory of files that need to be synced with a copy on the Linux server. The Windows machine ...
0
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0answers
16 views

Install SQL Loader on Amazon Linux AMI [on hold]

I am using Amazon RDS for my Oracle instance. I want to install SQL Loader so I can transfer huge CSV files (500 MB and above) directly from my Linux Terminal. How can I install SQL loader on Linux ...
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3answers
26 views

how to recover all mysql tables of all databases in centos6 with mysql 5?

mysql is corrupt in centos 6 it is showing #1033 - Incorrect information in file: /xxxx/xxx.frm for all database and showing all tables empty. how to recover all databases?
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2answers
54 views

Linux Red-hat 6 Network manger interface priority

I have a question regarding RedHat 6 Enterprise Network Manager (NM): My Linux is connected to two network interfaces. 1 – eth0: Normal Ethernet which is connected to the company LAN 2 – eth1: An ...
1
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1answer
36 views

copy LVM partition to new disk

I have a question about making copy of LVM partition to new disk. I want co copy not to move data. My operating system is Debian. On LVM partition I have running Xen virtual systems. Information ...
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0answers
24 views

Linux DST confusion [migrated]

My question is about Daylight Savings Time (DST), and whether or not the following is behaviour is normal under Linux. I am using the POSIX TZ variable to specify the timezone. Using the example ...
0
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0answers
7 views

uwsgi process not quitting after stopping in django app

I have uwsgi 2.0.10 with django and supervisor. I am running uwsgi with command = /usr/local/bin/uwsgi --ini /var/www/conf/uwsgi.ini --die-on-term When i do supervisorctl stop app-uwsgi I see ...
0
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0answers
7 views

OpenVPN and oLDAP configuration

I have a Linux VM setup with OpenVPN on Debian 7.8. I copied the client files over to my MacBook and iPhone and I'm successfully able to create a VPN connection without any issues. However, I'd like ...