4
votes
3answers
415 views

Can you build apt-get from source? [on hold]

I've got a kernel image and an empty filesystem and need to fill it with programs, like a desktop, some basic utilities and software. Can I install apt-get somehow to do that for me? I'm not sure ...
3
votes
2answers
65 views

confused with awk and shell variables

I am trying to run a script that uses awk. There is no error it seems, but it doesn't create the file that I want. This is the script: #!/bin/bash echo "Number of domain:" read number echo "Domain ...
2
votes
1answer
20 views

Problem overriding ACL for default group ownership

I am unable to override previously set ACL settings. This is what it looks like: root@ip-xxx-xxx:/srv/www# getfacl grace.staging.site.com.au/ # file: grace.staging.site.com.au/ # owner: web # group: ...
1
vote
0answers
15 views

cyrus-imapd & SSL

I have an IMAP server running on Fedora (cyrus-imapd-2.4.18-1.fc23.i686) with the following configuration: $ cat /etc/imapd.conf configdirectory: /var/lib/imap partition-default: /var/spool/imap ...
0
votes
0answers
11 views

Converting A Physical Ubuntu Server with boot raid 1 to a Xen domu

So here's the situation: 1 physical server running a very outdated version of ubuntu 14.04 Booting off of a a software raid 1 configured in the installation. This server runs mission critical ...
2
votes
0answers
28 views

apt-get commands won't return

I am working on a Raspberry Pi running Raspbian, and I think I'm having a problem with my apt-get. The problem originated with a MySQL server I was running. The server stopped seemingly at random, ...
0
votes
0answers
21 views

Unix - Script for splitting files using string “ISA” [duplicate]

I am getting EDI file like below with multiple ISA segments. Can you help me to split the file in to multiple files based on ISA segment. Example file: ISA*00 IEA*1*000190568 ISA*00* <Some number ...
1
vote
0answers
35 views

WiFi suddenly stopped working

I have access to internet using a cable. I have an HP Pavilion dv6 Notebook and I'm on Ubuntu 14.04.4 LTS. $ ifconfig eth0 Link encap:Ethernet HWaddr 08:2e:5f:73:8c:9b inet adr:192....
2
votes
1answer
21 views

Kernel parameters “console” and “earlycon” refer to old hardware?

I first found this by investigating parameters for earlycon but found that the options for console look almost identical. Both are present below and were taken from this source: From documentation ...
1
vote
0answers
22 views

Linux kernel GRUB/boot issue?

I'm working with a specific software package that is only compatible with a older linux kernel version. After installing this older version via the following command $ sudo apt-get install linux-...
1
vote
0answers
14 views

Booting kernel (FIT image) with no rootfs

An embedded Linux device I am working with has the following kernel parameter: root=/dev/ram0 Additionally, the kernel image is bundled together with an initrd and device tree to make a flattened ...
-1
votes
0answers
13 views

How to run a chef cookbook on 100 servers [on hold]

i am new to chef i have successfully configured chef workstation and server. here i am using hosted chef, I was bit confused how to launch 100 or more instances by knife EC2 command and how to run a ...
1
vote
0answers
21 views

Garbage characters when using serial connection over SSH connection with minicom/screen

I have a serial connection made with /dev/ttyUSB0 locally from my laptop to a cisco lab router and using minicom/putty/screen all work fine locally (hardware control: on, software control: off, 9600 ...
1
vote
0answers
16 views

Not able to install postgresql in Ubuntu 14.04

I tried many times installing postgresql in Ubuntu 14.04 without success. I keep getting the following error: Can't exec "/tmp/postgresql-common.config.WJ3dGb": Permission denied at /usr/share/...
0
votes
0answers
18 views

How to prevent special group to delete files or folders?

Folder path: /var/www/html group name: "ftpusers" user: "admini" How to prevent from group "ftpusers" to delete files or folders in html folder, but allow them to create files or folders? User "...
2
votes
0answers
15 views

How to Reflash Toshiba Satellite L855-10P BIOS in a Linux Distro?

Hi I need to Reflash the BIOS of my Toshiba Satellite L855-10P using a Linux distro. How can one do this? I have found lots of info on how to read the BIOS (windows & Linux), dump memory from it ...
0
votes
1answer
20 views

how to download poky onto a micro SD card [on hold]

How do I download Linux Poky onto a micro SD card? The goal is to be able to insert the SD card into a gumstix camera so that we can input commands directly to the camera.
1
vote
0answers
10 views

MOD_PROXY with Squid

I am not entirely sure how to ask this question so it may have been discussed before. Attached below is an image of my image server setup. Here is how it works: A User visits my real estate website ...
3
votes
2answers
43 views

Remove old files in a directory except files present in an exception file

I am writing a shell script to delete old files (older than 60 days) in a directory except few files and these file names are maintained in an exception file present in another directory. I know the ...
1
vote
2answers
37 views

Get `scp path/` behave like `rsync path/`

I have local file structure: /tmp/24 /dir1 /file1 /file2 /dir2 /file3 /file4 and I want to upload it to remote compute. When I use rsync /tmp/24 host:/...
0
votes
0answers
19 views

key load error on trying to ssh to server

I get the following error when trying to ssh into a server running Mac OS X. The client is also running Mac OS X. ssh -v server.lmd.edu OpenSSH_6.9p1, LibreSSL 2.1.8 debug1: Reading configuration ...
1
vote
2answers
147 views

move IP address from one interface to another without interruption

When I need to move IP address from one interface to another, I have usually done simply for example ip addr flush dev eth0; ip addr add 10.10.10.181/26 dev eth0.35 over an SSH session. So far I have ...
0
votes
0answers
36 views

HP server not responding after power failure [on hold]

A long power cut happened and I have one server with a weird behavior. It's an HP DL145 without warranty :/ Impossible to make work a VGA port or any USB port (I tried USB ports, front and back), ...
1
vote
0answers
9 views

VM host management in case of Linux bridge

I have a virtual-machine host(vm-host) which runs two qemu-kvm virtual machines in tap mode. This means that network topology looks like this: As I need to manage vm-host over VLAN 123, I see three ...
0
votes
1answer
41 views

How to install opencl in CentOS 7 using yum?

I need to install opencl in CentOS 7 nvidia. I already installed cuda. But when i try to install ImageMagick with OpenCL it is showing CL/cl.h not found. But there are files in /usr/local/cuda-7....
0
votes
0answers
6 views

Is it possible to change audio drivers?

My Turtlebeach headset (stealth 450) works fine in Windows 10. In linux mint 17.03 I get audio but my mic output is white noise (static). Is there any way to change audio drivers around to test?
1
vote
0answers
14 views

Iptables restrict all, allow multiple specified users to destination port

This great answer tells me how to prohibit all users from connecting to remote host on specified (in this case 25) port, except one user: iptables -I OUTPUT -m owner ! --uid-owner postfix -m tcp -p ...
0
votes
1answer
15 views

Why is logrotate not rotating my httpd logs correctly? [on hold]

What I want is for my logs to have a by day log file that is labeled by date and I want to keep the last 60 days of log files. Here is the configuration I am using to try and do that. /var/log/httpd/*...
0
votes
0answers
15 views

Upgrade Linux Mint 17.1 to 17.3 from terminal

How to upgrade Linux Mint 17.1 to 17.3 from terminal? I tried to do so by "sudo-apt upgrade" but now getting "cinnamon just crashed: You are currently running in fallback mode". Also can not detect ...
-1
votes
0answers
9 views

how to recompile rasbian OS [on hold]

how to change some boot up features in raspberry pi operating system. what is the platform use to do that.I want to find out is that visual studio can use for that
0
votes
0answers
13 views

U-BOOT error- data abort

occurs here: reading initfs.image.gz data abort pc : [<3ff5ae10>] lr : [<3ff7c38c>] reloc pc : [<04024e10>] lr : [<0404638c>] sp : 3f314a78 ip : ...
0
votes
1answer
16 views

Kali Stuck at Log in Screen After I Installed Veil-Evasion

I installed veil-evasion recently and after I reboot kali, it stuck at log-in screen. I'm entering my credentials but after that a black screen appears for a short time and it takes me back to the log-...
1
vote
0answers
9 views

Mirror Folder with root Permissions

i am using CRYFS (an encrypted filesystem) to store some of my files in an cloud server. If i mount the encrypted filesystem, a folder is created with the decrypted files in it. The Problem is that ...
-1
votes
1answer
26 views

How to convert RHEL rpm to CentOS

My team receives software in a RHEL format from another team. RHEL requires licensing to use and deliver their media. Our team converts the operating system to CentOS which is based on RHEL but does ...
-1
votes
1answer
9 views

How can I configure Manjaro in GRUB2 without re-running the Manjaro installer? [on hold]

I reinstalled the Ubuntu boot-loader one day, and it showed an entry for Manjaro, but it kernel panicked on boot. After re-running the Manjaro installer, the kernel was fixed, but GRUB ignored ...
2
votes
0answers
18 views

Large TCP backlog in docker container, but no visible connections

In a setup with three docker instances, one running haproxy and two others running a flask-based python application through uWsgi, we run into a situation after about a day where no new connections is ...
-1
votes
1answer
39 views

for loop # usage

I am trying to understand how this piece of code works: for b in `git branch -r`; do git branch --track ${b##upstream/} $b; done In particular, the part where it does ${b##upstream/} I know it ...
0
votes
0answers
34 views

Curl gets 200 OK, while browser shows 503

I have a bash script: code=$(curl -I -s -S --resolve $host:$port:$ip $link | grep 'HTTP/1.' | awk '{ print $2 }') if [ $code -eq 502 -o $code -eq 503 -o $code -eq 504 ]; then /usr/sbin/service ...
0
votes
1answer
16 views

Change Screensaver font size, Molecule xscreensaver

I'm pretty new to the Linux world and love the Molecule xscreensaver. Is there anyway to change the configuration so that the font of the molecule information is larger? It's located at the top left ...
-5
votes
0answers
32 views

Using the top, kill and ps commands for system management [on hold]

I recognise that this question has been asked in multiple ways recently but I am required to complete research for an exam and I need an in-depth analysis. Hopefully this is specific enough as I don't ...
0
votes
2answers
51 views

Why is the default shell on my Ubuntu 14.04 bash?

Some said that Ubuntu 14.04's default shell is dash. Mine is bash. My /bin/sh is dash. I don't remember if I changed the default shell. What is some way to change the default shell? Can I find out ...
1
vote
2answers
25 views

Poor network performance between AIX 7.1 on 1 Gbit/s and SLES 11 on 10 Gbit/s

I am having problems with the network performance between SLES and AIX. I have tested the network performance from AIX 1 Gbit/s to AIX 1 Gbit/s SLES 11 10 Gbit/s to SLES 11 10 Gbit/s AIX 1 Gbit/s to ...
-2
votes
1answer
49 views

Why does `bash -c echo hello` not output anything, while `bash -c “echo hello”` output “hello”?

Why does bash -c echo hello not output anything, while bash -c "echo hello" output "hello"? Thanks.
2
votes
3answers
729 views

Why does `bash -c 'echo $0 ' ` output “bash”?

$ bash -c 'echo $0 ' foo foo $ bash -c 'echo $0 ' bash From bash manual ($0) Expands to the name of the shell or shell script. This is set at shell initialization. If Bash is invoked ...
0
votes
0answers
11 views

BPDU protection with Transparent OpenBSD 6.0-current Firewall Bridge

Is it possible with OpenBSD? I would like to implement BPDU protection and filerting with my Transparent OpenBSD 6.0-current Firewall Bridge, and loop protection with rstp Is the ...
1
vote
0answers
15 views

Access MTP (SD Card & Internal Card) device from command line in Fedora 23

I need to access a MTP device (Samsung Phone connected trough USB) from the command line. I have listed the connected devices using lsusb and this is the output: # lsusb Bus 002 Device 003: ID 413c:...
0
votes
0answers
19 views

Replacing Ubuntu 14.04 with Arch Linux on a dual boot Windows 10 configuration

I want to migrate to Arch Linux. I have read all about the installation process on Arch Wiki and got a fair idea about the process. But I have a doubt on how will the GRUB installed by Ubuntu behave ...

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