Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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Error messages when extracting a .tar.bz2 in Ubuntu

While extracting a .tar.bz2 file using the command tar xjf git.tar.bz2 I received error messages that shows Cannot hard link to and Cannot create symlink to What will be the reason ...
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PubkeyAcceptedKeyTypes and ssh-dsa key type

I'm trying to test the order in which keys are tried. One of the system's users is using DSA, so I'm trying to test it as an option. I'm getting a Bad key types. $ ssh -vv -p 1522 ...
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LVM space suddenly gone

I'm having issues with LVM on a Debian Jessie server. After adding a new SSD to the group storage I extended the volume, no issues were seen. After a power outage though, the server went offline for a ...
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What does “key_load_public: no such file or directory” mean?

I've been troubleshooting a PubkeyAuthentication-only issue. When I use verbose mode, I see a lot of "key_load_public: no such file or directory". Obviously, the keys exits on the filesystem, so that ...
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How do I create a shortcut on Windows to launch Urxvt w/ Cygwin bash but also with certain options beforehand?

Confusing title, I know. Here's the problem: To launch Urxvt in such a way that my extensions work, I'd open up Cygwin and use export DISPLAY=:0 and then urxvt. If I launch urxvt just with urxvt then ...
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How can I install Google Chrome on Fedora without any issues?

I would like to install Google Chrome on Fedora. But I couldn't get the file I downloaded from Google's website to work, and there's too much confusing and sometimes even conflicting information about ...
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12 views

getting permission denied when uploading gfiles using php on ec2

I am trying to upload files using PHP on a Amazon t1.small instance but getting the following error: [ Tue Aug 25 22:04:25.163568 2015] [:error] [pid 6467] [client 120.56.186.247:2440] PHP Warning: ...
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Someone can help me find these 3 commands?

I’m making only one question to avoid spamming. I have 3 situations where I don't know which commands I should use. They are: List all files that have at least 3 letters on its name. Count how many ...
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Fresh LXLE 14 install stuck at initramfs prompt on boot

I'm trying to get lxle working on my laptop, next to arch and windows with refind for bootloading. I'm not fresh out of the water in terms of understanding and experimentation and such, but hardly an ...
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samba vs linux seeing shares and printers

i can see my linux box and linux can see windows boxes but smb wont allow the passwords to be active and allow me to login to shares. It wont allow access. Example smbclient -l \earth shows the ...
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Display Drivers in Fedora

I am using Fedora 22 and having problems with my Nvidia GeForce GTX765M driver. I cannot adjust my laptop screen brightness and cannot output video from hdmi. I did a little research here and on ...
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Problems with using xdg-mime default. The default was successfully set but it is not used via xdg-open

Directories keep opening in Firefox when I use xdg-open. I do not want this. I did: xdg-mime default dolphin.desktop application/x-directory and xdg-mime default dolphin.desktop inode/directory ...
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In Linux, what is /etc/security?

What is this directory for? Is it part of POSIX? Is it part of the Linux Standard Base? Is it enforced by the kernel or is it more of a distro feature? Where can I find further documentation about it? ...
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how to grep something with a wildcard path?

I want to grep a Gemfile in few rails apps. But for each rails app there are many branches and out of which the latest branch name lets say is 'main'. The structure is something like this: workspace ...
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19 views

Roll back to libc6-amd64 using a live cd and chroot on ssd with GPT filesystem

I was attempting to follow a steam guide to install a dedicated game server. See my original post here. Basically I really messed up. I attempted to roll back but when it downgraded my network ...
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How to pick a different WiFi connection when one drops?

I have 2 WiFI connections available. Sometimes, the WiFi network disconnects, and when that happens, I'd like the system to automatically use the other connection. How can I do this? I'm using a ...
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8 views

How Can I export/source/. from mate -e?

I'm trying to write a simple script that starts a terminal and runs the command workon foo. In other words, I just want to do: mate-terminal -e workon foo However, that doesn't work because the ...
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Linux CentOS 7 printer installation, what is the hpps program?

I just installed Linux CentOS 7 on my laptop. I tried to install my local printer, but it does not work. At the end of the configuration process, the system shows a window stating: Printer ...
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How to get `netstat -tpn`-like output with `ip` utility

How (or is it possible) to list all open TCP(/UDP) ports using ip utility on Linux (preferably with their owner processes)? I want something like netstat -tpn.
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Command line for centos' user password

I need help for password administration on Centos. Well, I have CentOS' users and I want them for setting up their own passwords, so I want a command executed from root to allow them to set up their ...
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Strange filesystem issue on Linux Mint - Deleted large file, no additional disk space avalable

I believe I have found a problem with Linux Mint. (Version 17? - How do I check this?) I have a program which has been running for several days and has produced an output file several hundred ...
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Automount external drives as readonly in openelec

I wanto to make sure that every time, I plug in an external harddisk to my raspberry pie with openelec, it is mounted readonly. I tried putting this rule KERNEL=="sd*", SUBSYSTEMS=="usb", ...
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Developer tools for cinnamon extensions (applets, desklets)

Are there developer tools for cinnamon applets and desklets? The only thing I could come up with is removing the desklet folder from ~/.local/share/cinnamon/desklets/{desklet} copying the new one and ...
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39 views

How to increase usb transfer speed on VMware ESXi 6.0?

I have some Linux and Windows VMs on ESXi. I put external HDD to usb-port on ESXi server and added this drive to VM. Windows VM copied one big file to this drive with 30MB/s speed (drive was ...
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Backup laptop with Clonezilla to an external Blu-ray

I want to back up my Windows laptop to an external blu ray (LG BE14NU40); however, I can't get Clonezilla to recognize the blu-ray as a target. I can see the drive show up in dmesg when I toggle the ...
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Receiving email on linux

I have a CentOS box with a basic postfix instance installed that has a relay configured. The box can send emails to the outside world (ie Gmail, Yahoo). The question is how can I get this box to ...
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Recover current OS in case the new one fails

I currently have Windows 10 but late needs make me have to switch to Linux. One thing that I've seen the last time I installed Linux is that it doesn't recognize my networking board. If this happens ...
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JFFs Partition for DD-WRT yes or no?

I have a Asus RT-N16 Router with Kongmod Build of DD-WRT. On the USB port i have a 1TB HDD and have 3 Partitions on this drive. /opt /swap /data The DD-WRT guide clearly states multiple times not ...
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How can I setup multiple php version in Linux?

I am working on a project and I just want to ask on how can I setup multiple PHP version in Linux. The scenario looks something like this since the server already has a PHP but with a version of 5.2 ...
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3answers
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formatting output in bash shell to remove special characters - linux

I am issuing the command below against a logfile grep "Oracle Audit" /var/adm/messages | awk '{print $6}' How do I format the below output Audit[9460]: Audit[10507]: Audit[10507]: Audit[10507]: ...
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Bluetooth adapter online, but not discoverable and cannot find anything in Linux

I recently purchased an Asunflower Atheros AR5B22 300M Wireless Wifi Bluetooth 4.0 PCI-E Card Desktop Adapter to add wireless and Bluetooth support for my desktop. While the WiFi functionality is fine ...
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Fastest Linux Filesystem on Shingled Disks

There is considerable interest in shingled drives. These put data tracks so close together that you can't write to one track without clobbering the next. This may increase capacity by 20% or so, but ...
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Problems with postfix and sending mails

I have ran into problems while configuring my postfix for my CENTOS machine. Note:The mailserver itself should be localhost only and only be able to send mail internally. the following shows up when ...
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No admin access to a cluster, but want to set up a fast ephemeral distributed filesystem — how?

The institution where I work has a Sun Grid Engine cluster to which I don't have admin access. I'd like to set up an efficient distributed filesystem (replication is a bonus) that lasts only for the ...
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Ubuntu Trickle Will Not Open Chrome

I'm trying to open Chrome with trickle to throttle the upload speed so I can test a sites image uploading progress display, but the build in dev tools for chrome only allow throttling for downloads. ...
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Unable to connect to 802.1x network using NetworkManager on Linux

For the past few days, I have been trying to get my Fedora 22 desktop and laptop to connect to my university's 802.1x WiFi network. However, I have been running into an issue. Whenever I try using ...
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Canvas lms open sourse installation

Hope you are doing fine. I am facing a lot of problem while configuring canvas using ubuntu 14.04 following the steps described in https://github.com/instructure/canvas-lms/wiki/Quick-Start Step 1: ...
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Inverse colors in all aplications running on Linux

Is it possible to change white background to black and black text to white but for all applications running on Linux including firefox, pidgin, text editor etc. ? It would be fine if it is possible ...
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Mount image of unknown filesystem

I have an image of a filesystem that I'm trying to mount. Unfortunately I have no idea what filesystem is in it. I'll show you what I have done so far. root@vagrant-ubuntu-trusty-64:/vagrant# file ...
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ioctl() returns EADDRNOTAVAIL when tried to bring down the alias interface eth0:0

root@host# ifconfig eth0:0 eth0:0 Link encap:Ethernet HWaddr ec:9e:cd:0d:80:f4 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:f0540000-f0560000 ...
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Incorrect output of history command of ssh. How to read the timestamp info correctly

I set the HISTTIMEFORMAT variable to store the timestamp info .bash_history file. I am able to display the history properly if I use interactive shell. But, when I run history command to display ...
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Linux boot blocked

Good evening, I'm trying to install a faxserver using Hylafax on a Ubuntu Server 12.04 . After install and configuring hylafax-server I've tried to send a fax without success, I decided to turn off ...
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Make xmodmap Changes Permanent

I made some changes to my keymap by writing: remove mod4 = Super_L add control = Super_L in ~/.Xmodmap The changes work after running xmodmap ~/.Xmodmap But they will not stick after restart. I ...
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Securing bridged lxc container with iptables

For some reasons I need lxc containers which have the same IPs like the host itself and other computers in the internal network. Now, I setup so far the containers with a bridge which routes to veth ...
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Error regarding blockdev /dev/sdb1 “BLKRRPART: Invalid argument”

i had to extend an lv on an enterprise server that belongs to sdb1, i added/allocated the space i needed from the storage array. I rescanned the ports of SAN and then i wanted to blockdev --rereadpt ...
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Upgrade to windows 10 screwed up my partitions(tables?) on an Ubuntu/Windows dual-boot

I thought windows would just overwrite the bootloader as expected, but something wonky is going on with the partitions too, and I can't access linux. I'm not sure if it's recoverable, but any input ...
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/etc/shadow and /etc/passwd privilege - why is it writable

sghk1> id uid=0(root) gid=0(root) sghk1> ls -l /etc/shadow -r-------- 1 root sys 4045 Aug 24 15:52 /etc/shadow sghk1> ls -l /usr/bin/passwd -r-sr-sr-x 1 root sys ...
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is there any way to completely avoid boot problems when multi booting [on hold]

I myself always wondering that there should be a way for multibooting that no booting problems occur. Assume that I have this HardDrive: Partition1 C Primary 200GB Partition2 D ...
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Cron expression hour 1/12

I'm looking at a system where someone added a cronjob which schedule is like this: 0 1/12 * * * doSomething More commonly, if the hours part in the schedule were */12 then it would execute every 12 ...
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Signing Error during kernel compilation

I was trying to compile kernel on my system by following this link http://www.ramkitech.com/2012/04/how-to-compile-kernel-step-by-step.html when I run make command, I am getting the following error ...