Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Join us in building a kind, collaborative learning community via our updated Code of Conduct.

Questions tagged [linux]

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

0
votes
0answers
4 views

How to create randomly keyed swap with Kickstart

I want to create an encrypted swap partition using Kickstart. Instructions on how to create encrypted swap manually are in the related question How to create a randomly keyed, encrypted swap ...
-3
votes
1answer
21 views

How to put your own Server online? [on hold]

I'm new learner to servers. I installed Ubuntu Server on my computer. Questions: My question is how to put your own server online? Which speed is need to put your own server online? Which ...
1
vote
0answers
11 views

Fedora 28 - Boot stalls for approximately 15 mins before loading into desktop [migrated]

I have been using Fedora since around version 25 on the same computer without any major problems. I am currently running version 28 (fresh install). However, after running updates through dnf it will ...
0
votes
0answers
12 views

is there any way to filter in syslog (not rsyslog) such as programname?

I need to add filter in my syslogs. I know how to do in rsyslogs. But we need to add same logs in syslogs as well in legacy systems.Is there any way to do it? Corresponding rsyslog entries are: :msg,...
-1
votes
0answers
7 views

Ubuntu OpenVPN default route and local NFS

I have the following setup. Ubuntu server in the cloud with an entry in fstab to mount bucket via fuse from local cloud resources. On my server, I am connecting to VPN provider and all traffic is ...
0
votes
0answers
5 views

Apache webdav login works on browsers, but error on net use command / window explorer

I would like to set up a simple WebDAV service on my server, which runs on Linux (Amazon EC2) and provide users to save files and folders. After config-ed some files, I manage to get the service ...
0
votes
0answers
7 views

CfEngine - Call variables and classes from different CF or promises.cf

I want to put body package_method and some variables in promises.cf or in a different file and I should be able to call it from any new CF files I write. Is that possible? I could not find anything ...
0
votes
0answers
33 views

simulate bad network between two devices

We are developing a product on an arm soc and unfortunately the kernel on the devices does not support netem. So I want to use my workstation as an intermediate router to simulate a bad network ...
0
votes
0answers
12 views

Centos 6.8 kernel 2.6.32-642.el6.x86_64 crash at linux-2.6.32-642.el6.x86_64/mm/vmalloc.c: 630

I have intel servers running CentOS 6.8 as KVM host,and there was an OOPS or BUG occurs. kernel crash at kernel-2.6.32-642.el6/linux-2.6.32-642.el6.x86_64/mm/vmalloc.c: 630 Did anyone else have this ...
0
votes
0answers
13 views
1
vote
1answer
27 views

How can I find disk space usage?

I have a Ubuntu docker run on CentOS host in Google Cloud. The docker runs a spring-boot application used for image uploading to S3. I do not save anything on local disk. Every 2 weeks or so, I have ...
0
votes
0answers
12 views

Ethernet bonding 802.3ad [duplicate]

I've configured 802.3ad ethernet bonding on hp blade server with two 10gb/s speed NIC cards. Now eth0, eth1 & bond0 ethernet's speeds are showing similar(10GB/s on all 3 ethernets). I though 802....
0
votes
1answer
21 views

php error installing imagick

System - CentOS 7.5.1804 PHP Version - 7.0.3 So, I'm trying to install Imagick in order to be able to render/make an image off the first page of a PDF. I'm tried to understand how it is setup, but ...
0
votes
0answers
25 views

Samba access denied across all Windows clients

I realize the "Samba access denied" issue has been asked a million times but this situation is quite different. Our unique situation is that the Windows clients must access a shared directory over ...
0
votes
0answers
17 views

Multiple routes to same subnet

I've successfully configured multiple network interfaces on the same subnet following this guide by RedHat: https://access.redhat.com/solutions/30564 I can ping from any NIC to hosts on the subnet, ...
1
vote
0answers
14 views

Forwarder doesn't work with smarthost

I set smarthost on exim configuration on the server However, forwarders stopped working for a reason. I got this message when I check it on email reports The system failed to locate the message ...
0
votes
2answers
28 views

Mount a new volume into a docker instance

I have a web site running in a docker instance. The site has a documents folder that needs more storage. So, I created a new volume on AWS. I can see it from the host with lsblk, like so: $ sudo ...
0
votes
0answers
15 views

Match multiple strings - Monit regex match

The requirement is to match the below in monit regex match: cat /var/log/maillog |grep -v “status=sent” |grep -v “relay=local” |grep “relay=”
0
votes
1answer
23 views

linux: truecrypt/veracrypt/luks/etc without /dev/loop*

I'm using a linux system without any /dev/loop* devices and without the loop module compiled into the kernel, and I don't have the option of upgrading the system or kernel. I want to use luks, ...
0
votes
2answers
40 views

How to setup an API, a webapp, a gitlab, and a showcase website on the same server?

I am coming today because, as a developer, I feel like I must know how to configure such things, however, I am getting stuck and I am not sure to understand why. I have 4 stuff let's say: An API (...
0
votes
1answer
29 views

Autodiscover 404

After much research and testing, I have implemented the redirect rules to have autodiscover check elsewhere than on my web server. With this post, I am trying to figure out what may be wrong (could be ...
0
votes
2answers
42 views

Any way to avoid using `grep -v`

When performing a grep filtering across pipes, as in the following example, $ ps -ef | grep 24604 username 18660 24604 0 16:38 pts/3 00:00:00 ps -ef username 18661 24604 0 16:38 pts/3 ...
0
votes
2answers
12 views

Can I alter the After= of an active systemd unit?

I have an NFS filesystem that contains ext4 filesystem images. A Linux box mounts one of those, via an implicit /dev/loop<n>. But when systemd reboots, it apparently shuts down NFS before ...
1
vote
1answer
23 views

RedHat: MultipathPackage Compatibility

I have an old RedHat5 server I can't upgrade the OS and new san XtremeI/O storage EMC recommended to install device-mapper-multipath 0.4.9-72 as a native multipath package.But the only available ...
0
votes
0answers
18 views

systemctl status dovecot.service, it floods console with all logs, how to stop

systemctl status dovecot.service, it floods console with all logs, how to stop it? on my cpanel server, it is running through tailwatchd, and it eats up too much cpu, whenever it runs. how to ...
0
votes
0answers
22 views

ufw not enabled on boot

OS is Trisquel 8.0 (Ubuntu 16.04 LTS derived), kernel 4.4.0-131-generic I've reached the hair-tearing stage with ufw, which refuses to start up properly on system start. Have tried: Editing /etc/ufw/...
0
votes
0answers
18 views

linux/lighttpd: setting umask for webdav?

I'm running lighttpd on my linux server. I have set up webdav, and I want to set the umask to a specific value only for the webdav site, and not for any other sites running under my lighttpd server. ...
0
votes
1answer
60 views

Azure Ubuntu VM new release available

I have two Ubuntu VMs running in Azure. One is our test server and the other is production. I've just sudo apt updgrade on our test server and rebooted and the message I'm getting now is New release '...
0
votes
0answers
9 views

How to use tinyproxy only for specific domains and use native connection to all other?

How to use tinyproxy only for specific domains and use native connection to all other? sample: I want to use proxy only for google.com, so when I'm trying to visit yahoo.com - tinyproxy ignores and ...
0
votes
0answers
23 views

zombie file under linux

When trying to unininstall cups from a linux machine some kind of "schrödingers file" was left behind: ls shows it, but otherwise its not there. System is ubuntu 17.10 / kernel 4.13, filesystem is ...
0
votes
1answer
24 views

IPTABLES is masquerading packages without explicit rule for that

I am running a simple expirement for validating some NAT concepts with IPtables. I have a Firewall with two interfaces connecting two networks: Network A - 192.168.0.0/24 - connected to eth0 - ...
-1
votes
0answers
16 views

Which versions of software available for specific OS release? [on hold]

Is there an easy way get all supported versions of php for specific OS versions, let's say CentOS 6.8 from ALL available repositories?
0
votes
0answers
12 views

How do I start an ssh server on a remote machine even if some (other) service failed to start during boot?

I have a personal server running Ubuntu in a location where I don't have physical access for long periods of time. I start the server on demand via a magic WOL packet from another computer on the ...
2
votes
2answers
40 views

Systemd: Tell if script was run by systemd or by user

How can I tell if a script was called from systemd or from a user? I created a service for an old school daemon. We just switched to systemd and some of my admin like to call the rc-script directly. ...
0
votes
1answer
27 views

Linux - memory size

How to check exact amount of memory installed in server? MemTotal from /proc/meminfo show something a bit less. I.e. I have 2097152K and meminfo says 2054348K. I can sum all banks reported by ...
0
votes
0answers
19 views

Ubuntu 16.04 guest virt-install on CentOS 7 libvirtd server “Unreachable gateway”

I'm trying to (automatedly) virt-install an Ubuntu 16.04 guest on a CentOS 7 libvirtd with a kickstart file. The Ubuntu guest is to have two interfaces which are mapped to two bridged interfaces on ...
0
votes
1answer
2 views

Oracle 12c 32-bit client and direct GOT relocation R_386_GOT32 against `lxecerr’

When trying to install Oracle 12c 32-bit Client (12.1 or 12.2) on Oracle Linux 7.3 or 7.5, it throws error during linking static libraries: INFO: Start output from spawned process: INFO: -------------...
0
votes
2answers
39 views

I removed libc6 and now server is broken [duplicate]

I removed libc6 and now server is broken. Now no commands work. ls, df nothing but I'm still connected to it on the ssh session. Any help?
0
votes
0answers
34 views

Linux slow command response despite no apparent load

Once in a while some of my Linux boxes enter some kind of strange state that results in having to reboot them. All commands take about 5 seconds to execute. But if you run the same command twice in a ...
0
votes
0answers
9 views

Nominatim server requirements? [duplicate]

I am installing Nominatim in a dedicated server, will it be able to handle calls about 20-30 per second. It will be of only single country having data of about 1gb. server that will be used:- e3 ...
0
votes
0answers
15 views

linux find folder with specific names where is not access for long time [on hold]

I need find folders (in CentOS) with name .*\.[a-z]{2,5} recursively where is not access (or modify) for more than 2 months in their subfolders or files. Subject folders are in different levels. /...
0
votes
1answer
27 views

Interface with static IP that answers pings, but doesn't route outgoing connections

I have an old Linux computer_1 with 2 network interfaces: wlan0 and eth0. There's no iptables there, but there is the ip command. I cannot install extra software there. I assign eth0 a static IP ...
0
votes
0answers
17 views

I have 2 identical servers but mail.domain.com for one is not working properly [on hold]

I have two servers that are setup to be their own mail servers. I have mail.domain1.com working perfect. mail.daddysmoonshine.com however, is not working at all. When I ping mail.daddysmoonshine.com ...
0
votes
3answers
15 views

Union multiple mounts to a single point, but keep them all read write

I've got over 1,000 directories, spread out over 6 servers. Technically they are home folders. It's guaranteed that there will never be any duplicate folder names. What I'd like to do is to mount ...
1
vote
1answer
61 views

Identifying who is logging to my device

I have a machine that aggregates syslog data from many devices, I keep all the devices that I want to have logging to my device in /etc/hosts so that they all have names that I understand. If a ...
0
votes
0answers
13 views

haproxy “no server available” but backends are reachable

I've got haproxy serving two backends for my servers with this configuration: frontend a_prod maxconn 500000 bind 0.0.0.0:1234 mode tcp option tcplog log ...
0
votes
0answers
4 views

how to make the linux kernel stack trace to contain source line numbers? [migrated]

i have the following Linux kernel stack trace (KASAN warning) from a 3rd-party: BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x259b/0x2660 net/xfrm/xfrm_state.c:953 Call Trace: __xfrm_dst_hash ...
0
votes
2answers
22 views

Fail to set EEST timezone

I have a server which is set to EEST timezone (East European Summer Time). I'm trying to configure another server to this timezone, but I fail to find appropriate timezone in /usr/share/zoneinfo Any ...
0
votes
0answers
11 views

systemd[1]: Failed to reset devices.list on /system.slice: Invalid argument

I get this strange failed-message every night after systemd stops and starts certain services: Aug 13 03:36:04 systemd[1]: Stopping Zabbix Agent... Aug 13 03:36:04 systemd[1]: Starting Zabbix Agent......
0
votes
1answer
20 views

Is it dangerous to use dummy packages in Linux? [closed]

Is it can be dangerous to use dummy packages in Linux ? For example : I use Mate. By installing app from repo, it gives me information like : You app needs this : libgconf2-4 - GNOME configuration ...