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21
votes
4answers
85k views

Error using SCP: “not a regular file”

I have been searching for a while and I can't find the definition of a regular file. My path is permanent (I start at /) and I am connecting to scp root@IP: /path/to/picture.jpg Results in an ...
10
votes
8answers
2k views

How to read the messages during power off

I'm using Lubuntu 11.10. Every time I turn off my Sony Vaio I can read FAIL in red letters. But I can not read. I tried to take a photo, but not success. Well, I was not worrying about this but ...
8
votes
4answers
7k views

Why doesn't grep using pipe work here?

I have the following command: find / -name libGL.so.1 Which returns lots of lines with "Permission denied". I want to exclude such lines, so I added the following: find / -name libGL.so.1 | grep ...
7
votes
6answers
10k views

Installing Skype on Debian x64

I am new to Linux and I'm trying to install Skype using this manual. I successfully download the package using the command: wget -O skype-install.deb http://www.skype.com/go/getskype-linux-deb-64 ...
7
votes
2answers
140 views

Redirecting standard error output to bash variable

Here's a C code snippet that will cause segfault: // segfault.c #include <string.h> int main() { memset((char *)0x0, 1, 100); return 1; } Compile it with: gcc segfault.c -o ...
7
votes
2answers
24k views

What does “INFO: task XXX blocked for more than 120 seconds” exactly mean on Linux?

I had this message in my kernel log : INFO: task XXX blocked for more than 120 seconds. I would like to know what it means technically: under what conditions does the kernel display this message about ...
7
votes
1answer
232 views

List of error messages available for a command in Unix

Is it possible to find out what error messages a command includes? For example I want to see the list of error messages that mkfs.ext3 command will print in different error situations. Shall I look ...
7
votes
1answer
4k views

unable to restart networking daemon

When I type sudo service networking restart, I am getting error as shown below: edward@computer:~$ sudo service networking restart stop: Job failed while stopping start: Job is already running: ...
6
votes
4answers
41k views

Java “Could not reserve enough space for object heap” even though there is enough RAM

I am currently having some issues running Java. It won't start because of heap issues. But I have more than 9 GB Ram free (or even 16 GB if you assumed the cache would be empty). This is the error I ...
6
votes
1answer
107 views

Extra output on input redirection

I have a folder with three files: $ ls a b c If I pipe the output of ls to wc, I get the right result: $ ls | wc -l 3 However, when I specify the input to wc as the output of ls, I get extra ...
6
votes
2answers
4k views

How to trigger error using Trap command

I am using Ubuntu 12.04.2. I am trying to use "trap" command to capture abnormal or error in my shell script but I am also trying to manually trigger "Error" exit. I have tried exit 1, but it won't ...
6
votes
1answer
370 views

What is ENOANO (No Anode) intended to be used for?

This question is merely for idle curiosity, but I suspect others will be curious as well. Searching through errno.h (of Linux 2.6) I found ENOANO "No Anode". There is no sign of a "No cathode" error. ...
6
votes
2answers
2k views

Why did BASH print “bash: cd: write error: Success”?

I noticed this several times today. If I type cd ../Directory to change to another directory, it prints "bash: cd: write error: Success". I can't determine what other previous commands might be ...
5
votes
2answers
831 views

Why does Bash history not record this command?

The command printf "#!/bin/bash\n" > t generates an error(bash: !/bin/bash\n": event not found), but hitting the up key does not recall the command so that I can modify it. Why is that? (What I ...
5
votes
2answers
5k views

How to examine the fast output of rsync

I am using rsync for backup about 100GB files and directories. My command is sudo rsync -azvv /home/path/folder1/ /home/path/folder2 However, the output for each file goes up so quickly and there ...
5
votes
1answer
174 views

using ! character in echo

I am messing with echo and having issues with echo displaying the ! character. I tried this. echo -e "Wake!\nUp! bash: !\n!: event not found Then this # echo "Wake\!\nUp!" Wake\! Up! Well now ...
5
votes
1answer
494 views

Mystifying command not found at login

I've just set up Arch Linux (not my first time). Everything installed correctly but when I login (X isn't installed yet) I see: Arch Linux 3.8.4-1-ARCH (tty1) mgoszcz2 login: root Password: Last ...
5
votes
2answers
1k views

du — ignore file not found errors

I'm trying to get the size of a folder an application is currently writing to. If I run the du command it sometimes fails with the error: du: cannot access `/a/b/a.txt': No such file or directory ...
5
votes
1answer
841 views

Wget out of memory error kills process

I wanted to backup all my .vcf files from my carddav server (ownCloud). The script is very simple and is the following: $ wget -Avcf -r -np -l0 --no-check-certificate -e robots=off --user=user \ ...
5
votes
1answer
5k views

How can I build a rpm for i386 target on a x86-64 machine?

I am building an rpm using rpmbuild command as: rpmbuild -bb --root <DIRECTORY> --target i386 --define "_topdir <DIRECTORY>" <specfile>.spec When I use my SLED 10 SP3 x86 machine, ...
5
votes
1answer
4k views

APEI Generic Hardware Error

Over the past week my server (running Debian Jessie) has rebooted twice. In the syslog I see this before each reboot, and at no other points: Aug 15 13:32:58 hoshimiya kernel: [296512.005355] ...
4
votes
8answers
15k views

Print given number in reverse order

clear echo "Enter a number" read n sd=0 rev=0 while [ $n -gt 0 ] do sd=$(( $n % 10 )) rev=$(( $rev *\ 10 + $sd )) n=$(( $n / 10 )) done echo "Reverse number of entered digit is $rev" ...
4
votes
4answers
293 views

can't figure out error in shell script unexpected operator

$ sh backup-to-s3.sh backup-to-s3.sh: 11: [: bkup_20151106_150532.zip: unexpected operator backup-to-s3.sh: 11: [: bkup_20151106_150532.zip: unexpected operator backup-to-s3.sh: 11: [: ...
4
votes
2answers
13k views

dpkg: dependency problems prevent configuration of initramfs-tools

I started an upgrade of my Kubuntu 12.04 system with this command, as usual: sudo apt-get --show-upgraded dist-upgrade I came back later and it had failed: Preconfiguring packages ... (Reading ...
4
votes
2answers
187 views

Is there a way to have a function in my bash script auto run on any command error?

I'm writing a shell script that needs to do a bunch of commands and every command depends on every previous command. If any command fails the entire script should fail and I call an exit function. I ...
4
votes
2answers
571 views

Parenthesis works in bash shell itself, but not in bash script

As the title says, I can run this command from my command line prompt: cp -r folder/!(exclude-me) ./ To recursively copy all contents of folder except for the subdirectory named exclude-me into the ...
4
votes
1answer
14k views

Is no caching mode page a serious error?

My server log displays the following error messages in RED: kernel: sda: sda1 sda2 kernel: sd 0:1:0:0: [sda] No Caching mode page found kernel: sd 0:1:0:0: [sda] Assuming drive cache: write through ...
4
votes
2answers
11k views

Why do I get kicked out of a FTP session once I run a command?

Why do I get kicked out of a FTP session once I run a command? It seems that once I successfully login into a server is get the following after running a command such as "ls" (I've enclosed the error ...
4
votes
1answer
135 views

Stop a task based on output

I have a task that runs written in Mono, however sometimes (randomly) the Mono runtime will hang after the task is complete and just print: _wapi_handle_ref: Attempting to ref unused handle 0x2828 ...
4
votes
1answer
2k views

Getting error whenever trying to add a repository

Whenever I try to add a repository I get a NoDistroTemplate Exception. I am using Linux Mint 14 Nadia. tusharmakkar08@tusharmakkar08-Satellite-C660 ~ $ sudo add-apt-repository ppa:webupd8team/java ...
4
votes
0answers
3k views

Proper usage of EXIT & ERR traps in bash scripts [closed]

I'm working on a bash script and as I've been going I've learned about traps, signals, function return codes and other such features I've not previously used. I may be thinking about things ...
4
votes
1answer
672 views

Configuring Apache to Require a Client Certificate

I want to implement mutual authentication (two - way ) with apache web server. References : 1.Failed to sign CSR with the CA root key 2.Firefox error message when adding client certificate ...
3
votes
2answers
275 views

cp: what quotation marks are used in error messages?

I'm currently fiddling around with a dying harddisk, and while trying to cp data from it, I get errors like cp: error reading ‘brokenFile’: Input/output error # comparison: backtick: `, apostrophe ' ...
3
votes
1answer
4k views

mei 0000:00:16.0: init hw failure

When I boot up I get the following errors: mei 0000:00:16.0: init hw failure. mei 0000:00:16.0: initialization failed. (they don't prevent the bootup, I'm just curious as to what they are and if ...
3
votes
2answers
17k views

Windows Remote Desktop login failed with Ubuntu Server 12.4

So, I have a server that I have RDC (Remote Desktop Connection) set up on, and I am looking at making it globally available on the internet so that I can access it from anywhere. I am currently in the ...
3
votes
1answer
48 views

Shell script - Couldn't find 'fi' for this 'if'

I have found this error alongside couple more. I believe that the nesting is not quite all right or the for is not correctly indented or without some semicolon. Either way I have tried for quite some ...
3
votes
2answers
1k views

Testing which modules are unloaded with modprobe

I'm currently searching for the right driver for my Broadcom BCM4313 network/wifi device. At first no network was recognized at all, now I managed to connect, but the connection is really slow. I ...
3
votes
1answer
526 views

Critical messages from gsm and gtk

After upgrading to Fedora 18, I am seeing the following critical messages on /var/log/messages whenever I log on to the computer: CRITICAL: gsm_manager_set_phase: assertion \`GSM_IS_MANAGER<br> ...
3
votes
2answers
5k views

What does gpg error code 2(GPG_ERR_UNKNOWN_PACKET) mean?

I am tasked to explain the variation of gpg errors that happened in one of my batch script. Currently when I perform gpg decrypt for a specified file it returns 2. The problem with this is when I ...
3
votes
1answer
903 views

davfs unknown option because of secrets file

I'm trying to make a WebDAV auto-mount on my machine. I've installed davfs2, then copied /etc/davfs2 to ~/.davfs2. I added the WebDAV URL to /etc/fstab: [URL of the WebDAV] [Local folder] davfs ...
3
votes
1answer
72 views

How to summarize error messages of an emerge run?

An update on a gentoo system with # emerge --update --newuse --deep --keep-going @world creates lots of text on the console. Error messages and warnings appear between less important informative ...
3
votes
1answer
6k views

Can't start Tomcat on Ubuntu

I installed Tomcat on Ubuntu. Then I created a new user. Then did: liferay@web-svr:~/liferay-portal-6.1.1-ce-ga2/tomcat-7.0.27/bin$ chmod +x *.sh Afterwards, I added JAVA_HOME and PATH in bash like ...
3
votes
1answer
164 views

How can I change the error messages for 'touch'?

Lets just have some typical usage of touch as expected: $ touch this $ sudo chown root this $ touch this touch: this: Permission denied Now what I want to do is change touch: this: Permission ...
3
votes
1answer
1k views

Firefox error message when adding client certificate signed by CA

I'm getting this message when I'm trying to add a certificate to Firefox's "your certificate tab". I generated and signed it before by a server which also is a CA. Failed to decode the file. ...
3
votes
1answer
404 views

How to troubleshoot systemd's “contradicts existing jobs” error message

Looking through my system logs, I see the following message in /var/log/messages: Sep 2 15:29:15 <myhostname> systemd[1]: Requested transaction contradicts existing jobs: File exists So, my ...
3
votes
2answers
4k views

Boot Error Debian: “ata3: softreset failed (device not ready)” [closed]

I am trying to figure out why I am getting this boot errors. I have looked all through the dmesg, boot.log, kern.log. I also have a few modprobe -b pci:<PCI ID> errors during boot on the screen ...
3
votes
0answers
179 views

An obscure autotools error with Epson iscan project

I'm seeing the following error when attempting to build iscan using the master branch on Debian wheezy. This project provides support for Epson scanners, in cases when SANE doesn't. This project ...
2
votes
1answer
1k views

-bash: /usr/sbin/useradd: Input/output error — What does this mean?

Today, on my Centos server I tried to add a user but got the following error: -bash: /usr/sbin/useradd: Input/output error How do I fix it?
2
votes
2answers
2k views

Errors while invoking Web service using `Curl` command from Unix terminal

I have been trying to invoke a web service from my script using the Curl command . I got the script from HERE. My Script : #! /bin/sh ...
2
votes
2answers
4k views

Unable to install g++

How to fix this: sahil@sahil-XPS-L501X ~ $ sudo apt-get install g++ Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...