These questions are about Linux in general -- NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the /linux tag.

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33 views

Logitech Ultrathin Touch Mouse T630 strange behavior

I'm using a Bluetooth Logitech Ultrathin Touch Mouse T630 on linux (Arch linux with GS 3.x). It works fine 90% of the time. Then suddenly it happens that it starts sending strange inputs like if I'm ...
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1answer
54 views

Sensu remediation : not able to trigger client

I am a newbee to Sensu remediation i tried to restart process with custom script Senario: if my http link goes down then i use to manually run the script and start it. we moved to Sensu recently as ...
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0answers
36 views

ldappasswd show error Result: No such object (32)

Why I get error No such object when I run ldappasswd command ? Below is my command to modify password : ldappasswd -H ldap://localhost -x -D "cn=admin,dc=enjaysun,dc=com" -W -S "uid=tbhandari,ou=...
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0answers
24 views

How can I set up my ethernet on a fresh install of Fedora Server 23?

I am using Fedora Server 23, and cannot get my ethernet connection to work. It works fine on Ubunutu, OS X, and Windows 7 on the same machine. [root@localhost etc]# ifconfig ens5: flags=4163<UP,...
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1answer
148 views

How to enable IOMMU on Gigabyte GA-970-Gaming SLI-CF

I've enabled svm and iommu in the bios, but I get "not available" from dmesg: # root@xen:~# dmesg |grep -i iommu [ 0.000000] Command line: placeholder root=UUID=4965005e-54e9-47b9-92ff-...
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0answers
29 views

Can SELinux filter system calls?

Let's say I want to restrict use of the system call shutdown to /sbin/mount or filter the arguments that get passed to the system call mount. Can SELinux policy be used to achieve this?
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12 views

Fake ap is not able to allot ip address its keep showing connecting (Evil twin Method)

I am using tp link wn722n usb adapter for monitor mode and internet connection on laptop is by usb tethering mode. configured dhcp, mysql, apache2 and working But problem is fake ap is not able to ...
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1answer
61 views

Wi-Fi stops working after some time

Lenovo Z50-70. After some time (couldn't find any pattern here) Wi-Fi just stops working. It shows that connection is fine, but I can't open any page in browser (connection refused). I tried switching ...
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0answers
45 views

Command is working in terminal/puTTY but not in shell script

I have set up a CS:GO server on my Linux server and have a script so restart/stop the server. In both cases a message should be printed out to the server. To accomplish that I'm using following ...
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0answers
24 views

What is instance-id used for?

I'm looking at cloud-init and I noticed that a lot of places mention instance-id within meta-data file but I can't find the purpose of that field. It doesn't seem to be described anywhere. Does anyone ...
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20 views

BindAddress in ssh config on laptop

I have a section in my ~/.ssh/config for connecting to a server via IPv6. But as I have enabled privacy extensions for IPv6 and to avoid my ssh connections being cut I've added BinAddress to that ...
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1answer
19 views

Does 'multiport' make a difference in terms of efficiency?

Can any one can say definitively that using the --multiport extension with iptables rules: Is faster than creating a rule per port? Is slower than creating a rule per port? Makes no difference? If ...
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0answers
12 views

IPv6 mapped address supported by the kernel?

How to know if the kernel currently supports IPv4 mapped IPv6 addresses ? I have tried using ping6 ping6 0:0:0:0:0:ffff:7f00:1 but I get Network is unreachable.
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0answers
17 views

How to connect ARM6410 to WPA wireless network without using wpa_supplicant library

How to connect FriendlyARM6410 to wireless network with WPA security type using Linux commands without using wpa_supplicant library??
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0answers
23 views

Fastest way to perform Redis data migration?

I have several Redis 3.0 instances running in AOF persistence mode. Sometimes, I have to perform data migration from one instance to another. Data migration process currently goes like this: BGSAVE ...
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1answer
35 views

How can I display the last message in exim4 mail queue?

How can I display the last message in exim4 mail queue? I, actually, want to get the last message ID in exim mail queue, to check if it's delivered, in the log file.
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0answers
43 views

How to connect SQL from VMWare?

I've windows 7 and I am using linux in vmware. Can I connect to my sql database which is running in my windows7 from linux?
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0answers
35 views

Installing g++ on Oracle Linux Server 7.1 without internet

I have a laptop running Oracle Linux Server 7.1. Trying to make a C++ file and receiving the error: make[1]: g++: Command not Found I assume I need to install g++. I've gone through a number of rpm ...
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1answer
9 views

Can I start the VM in openVZ once the checkpoint is completed during vzdump?

I have a VM with huge amount of data, close to 800GB. I was taking a vzdump of this VM. During the vzdump, openvz suspends the vm and does a check point and does a final sync of data before completing ...
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0answers
10 views

When mic boost is activated, I don't have any sound input from microphone

I have an Asus computer (and before another Asus computer with the same problem), I'm running debian unstable on KDE Plasma (but I got the same problem with ubuntu, on lxde, kde, unity...). The idea ...
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0answers
42 views

how to manage stdout/stdin buffering while doing ssh using openssh?

I have an embedded system -Linux, which has openssh utility - Linux. I am trying to do ssh from first device to second device and from second device to the third device. When I am doing the second ...
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0answers
24 views

authenticate commands using pam module

This is weird requirement i am not sure possible or not but we have Centrify running in our environment which use dzdo instead of sudo Now i have requirement to ask password for specific command, do ...
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0answers
41 views

lsof -i not displaying processes with opened sockets

I wrote a script based on lsof to monitor the socket in use for each process of my particular application (one socket per process). When I specify the -i option to limit the list of opened files to ...
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0answers
32 views

How to run application with user created by package-manager

I'm packaging a binary application, and for permission issues decided the best approach would be for my package to create it's own user/group. I'm now using a postinst script, adding the user as: ...
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26 views

Sed command for find and swap string [duplicate]

We are having the entry shown below in /etc/ldap.conf uri ldap://abccmnldap01.xyz.com ldap://pqrcmnldap01.xyz.com I want to swap abccmnldap01.xyz.com with pqrcmnldap01.xyz.com in ldap.conf with sed:...
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0answers
65 views

Tiny Core Linux persistent home directory

I have a command line frugal install of Tiny Core and I want to have a persistent home directory, because the programs I run save results there. I read the persistent option details and followed ...
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1answer
43 views

Cannot Install Cent OS 7

i'm having extreme difficulty trying to install CentOS 7 on a HP Z640 Workstation, Specs http://www8.hp.com/h20195/v2/GetPDF.aspx/c04400040.pdf I have tried installing CentOS 7 and 6.7 in UEFI and ...
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1answer
57 views

Linux red-hat + kernel patch update

I need to run the yum update on my Linux redHat machine during the yum update , I sow that yum perform some patch kernel update therefore I little worry to perform a reboot , because the patches of ...
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0answers
115 views

wifi driver fails to load firmware on kernel 4.6.0-rc2

Distro - Ubuntu-14.04. For development purposes I built and installed 4.6.0-rc2 kernel. All works well except wifi: % dmesg ... [ 9.092503] Intel(R) Wireless WiFi driver for Linux [ 9.092506] ...
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0answers
17 views

System not pinging after running `rescan-scsi-bus.sh -r`

I am having a system on which multipath is enabled. I recently replaced a SCSI device and in order to remove old entries, I executed rescan-scsi-bus.sh -r. Now the server is not getting pinged. I ...
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1answer
150 views

Copy files from Linux Server to Windows - bash script

i am trying to automate a simple process, but i m new and stuck. I have a number of bash scripts that when ran, zip and move files to specific directories on the linux box. I want to create a bash ...
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1answer
40 views

How to setup broadband connection on Fedora23?

This is how I setup broadband connetion on Window7 with DHCP IP. But how can I setup this connection on Fedora 23 ? In Fedora23 Workstation(Gnome), I see this: Sorry I didn't find anything ...
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1answer
30 views

iptables connection mark not balance

The following is my network topology: + + | | | | | | | +-----------...
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0answers
19 views

insserv: warning: script 'startup.sh' missing LSB tags and overrides

I have created a script startup.sh. I have tried to execute it at boot but I made a mess. After some changes, I rolled back everything but now every time I install something I can see the error logs ...
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0answers
28 views

NFS v4: export directory as root, but no give server root access

I have one diskless system and I do not want to use no_root_squash parameter to load / exported OS. Why? Mainly because this is not secure. When I load my machine with my reboot system it try to ...
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1answer
146 views

Kali Linux Installation Attempt, Stuck in Initramfs!

I tried to install Kali Linux today. Everything went well and the installation completed without any problems. Though now when I start my computer I am prompted into grub. My linux installation is ...
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0answers
21 views

Applying a patch to mdadm

I have configured RAID 6 using mdadm, and after trying to add a new disk to the ARRAY (replacing a faulty one), I am receiving the following error: mdadm --manage /dev/md0 --add /dev/sdi mdadm: /dev/...
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0answers
39 views

Unknown job error on running service

I am getting an 'start: Unknown job: elasticsearch' error when I try to do service elasticsearch start When I run service --status-all I can see elasticsearch present in the list. But I ...
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0answers
53 views

After install vnc4server xsession error on Linux Mint 17.3

the second time this problem haunts me, (in RASPBERRY and now my Dear Mint 17.3) Briefly my problem is the following: I do the standard procedure found on Google: sudo apt-get install vnc4server ...
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2answers
76 views

How to get a correct error code from curl when transfer was closed before getting the whole file

I have a bash-script which calls curl using a proxy. Today there is a problem with the download location. Calling curl ends up with: curl: (18) transfer closed with 7512708716 bytes remaining to ...
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1answer
40 views

Warning : configuration file not found

I just made a bootable usb drive with kali linux 2016.1 (rolling) with dd command. After booting in the usb drive it gives me this thing : Warning : configuration file not found. I can select ...
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0answers
25 views

drop rate of the err_queue

In Linux, when requesting the TX timestamp of the sent packets, the err_queue is used to piggy back this information. Is there any way in C to inspect if this queue is full at some Point in time? ...
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1answer
34 views

AIX lquerypv equivalent in Linux (RHEL/Cent OS)

In AIX we can view raw data of hdisk by issuing following comamand lquerypv -h /dev/hdisk0 This displays data in hexa decimal format. More of like hex editor. What is the equivalent command in ...
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0answers
24 views

Qemu/KVM, windows guest password prompt

Ubuntu 16.04 Qemu/KVM Windows 8.1 guest SSH from remote host into hypervisor, run virt-manager. Get prompted for creds: user1@hypervisor, authenticate successfully. Open guest, get prompted for ...
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0answers
31 views

Linux is crashing without throwing core dump or error message

I am working on a development board to make custom linux working(built through Yocto) on it. Right now, I am facing very weird issue. System boots and after some time it hangs and restarts without any ...
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1answer
49 views

Script too slow ? Any particular reason?

I have a script which does hexdump along with pipeline commands and finally I am redirecting it to a file. Now I am logging data from the serial port of my Raspberry Pi. I also call a python script(...
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0answers
88 views

KDE Plasma 5 panels multi monitor

Every time I plug in or out the external monitor its panel changes to the secondary one. Also, new windows always opens on the laptop monitor which is the secondary. Is there a way to solve this?
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1answer
81 views

Linux: dnf error: Aborted (core dumped) after packages upgraded from .fc22.x86_64 to .fc22.i686 in fedora 22

I have Fedora 22 XFCE in Oracle VM, yesterday I tried installing skype-4.3.0.37-fedora.i586.rpm, this tried upgraded many of the packages from example: upgraded from glibc-2.21-13.fc22.x86_64 to glibc-...
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0answers
38 views

Why are the names different in “/etc/HOSTNAME” file and hostname command in SLES11SP3?

My OS is SuSE(SLES11, SP3), executing the hostname command: # hostname lxc-dl580-g8-1 But the name in /etc/HOSTNAME file is different? # cat /etc/HOSTNAME linux-2pny.site Why are the names ...
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votes
2answers
34 views

Replacing string in HTML with value from lookup file

Situation: I have a source HTML file, with some values which must be completed with data from another file. Value that must be enriched is between a unique tag. <Uniquetag>Mystring1</...