3
votes
3answers
2k views

rlwrap: mysql autocompletion not working

Normally, autocompletion works fine in mysql command-line client (mysql-client-5.5). I have a table called booking. When I type the letter b and pres TAB the name of my table gets autocompleted: ...
0
votes
1answer
59 views

a file to be in git or not to be?

I didn't prevent same problem: I don't use git rm projects.py and when i use : git cp projectsTABTAB projectsFindFrame.py projectsInsert.py Also when i use: git show ...
1
vote
0answers
755 views

Problem while install ubuntu 12.04.3-server

I try to install Ubuntu 12.04.3-server-i386 in my system. My system configuration is 256MB RAM, 80GB hard disk, Pentium 4 (2.40Gz). I have a DVD drive, I downloaded 12.04.3-server-i386.iso and burnt ...
3
votes
4answers
6k views

How can I improve nscd's cache hit rate?

My Goal: Let nscd maintain a fairly large DNS cache in excess memory since I have it available. Description: I have a webserver that has a broadly dispersed but high-repeat user base. It has plenty ...
0
votes
1answer
359 views

Why this sort command gives me an empty file? [duplicate]

prova1 is a file with some text. When I run this code prova1 become empty: sort prova1 > prova1 I know that to achieve the effect I can do: sort prova1 -o prova1 I would just know the reason ...
0
votes
1answer
773 views

Cannot install rsync (unable to create…Input/output error)

How do I resolve the following error to get rsync installed? unable to create '/usr/bin/rsync.dpkg-new' (while processing './usr/bin/rsync'): Input/output error Full log follows: ...
0
votes
2answers
425 views

Full Linux distro under 50 MB for a business card CD

I need a full Linux distribution for a non-profit activist organisation that can fit on a business card CD. If that's not possible, there is a business card DVD option too with up to 400 MB capacity. ...
0
votes
4answers
908 views

A shell script that never dies

I want to write a shell script that never dies i.e, Shell script will repeatedly check whether Database is alive or not for every five seconds. The problem is At times the shell script stops ...
0
votes
1answer
261 views

Problem with wheezy theme

I am a totally newcomer to Debian wheezy, and I can't install the Asian_Catharsis.tar.lzma theme from gnome-look.org; I've also copied it to ~/.themes yet no effects I earn. Also, I've changed my ...
1
vote
1answer
124 views

Copy of full swap file is empty

I use a swap file (/mnt/swap). The swap works right. I need to get an access to the data stored in. When it's full of data in some part (which I can see typing "free" in terminal), I copy the file to ...
5
votes
3answers
3k views

sed - how to do several consecutive substitutions but process file only once?

If I am doing several substitutions which need to be consecutive, e.g. sed -i '/^[[:space:]]*browser.*\.should/s/browser/expect(browser/' t1_spec.rb sed -i ...
0
votes
1answer
108 views

Am I running Bash?

I am using OS X 10.8.5. I am trying to figure out if the terminal is running bash. When I type in the following it says "getent" command not found -- but the error message seems to be coming from ...
0
votes
3answers
97 views

How to get data shown out of workspace or directly from application?

Because of some reason I had to use another web browser than my main which I use daily and I chose a small browser which I installed long time ago. This brower is called Dooble, version 0.07 ...
0
votes
1answer
1k views

Is it possible to add/remove arp-ip-targets without taking the bonding interface up/down

i just changed in /etc/sysconfig/network-scripts/ifcfg-bond0: BONDING_OPTS="mode=active-backup arp_interval=1000 arp_ip_target=10.0.0.1" and now i want to set those arp_interval and arp_ip_target ...
1
vote
1answer
3k views

Can't copy files from a loop-mounted ISO image: Input/Output error

Please advise - why do I get an "Input/output error" when I try to copy some files from my ISO mount to /var/tmp I mount the .iso file under /mnt and try to copy files from the isolinux directory to ...
6
votes
1answer
2k views

Why is expect's interact command not working?

I am trying to automate gdb with expect. My script will start gdb, do some initialisation, and then pass the control to the user. Expect's interact command seems like the perfect tool for the job. ...
0
votes
1answer
300 views

Bad SIP URI in To header field

We are creating Asterisk<->Lync trunk. The Asterisk is under providers control. I am in charge of Lync. I'm slightly familiar with Asterisk. We created a trunk. Everything was fine until provider ...
0
votes
1answer
127 views

Why env variable are not visible while starting a service

I am wondering why during service start up environment variables are not visible. To be more precise: I created service startup scrip according to LSB spec which starts some java process. For this ...
8
votes
0answers
2k views

Solaris SMF vs Linux Upstart [closed]

I'm in the process of learning Upstart after first having learned SMF. Naturally I'm assuming that they fulfill the same purpose but I'm aware that this is where I'm wrong. Ideally I was hoping ...
1
vote
1answer
910 views

What could cause a run time remounting of my /var partition to be read only?

I have a buildroot generated embedded linux system (x-86 geode processor) using an initramfs but with /var and /etc mounted onto a compact flash device using the default mount options specified in ...
1
vote
2answers
2k views

How to exclude hidden files in recursive chmod?

I am having to do chmod -R 755 some_dir where 'some_dir' contains '.git' folders. Is there any way I can exclude hidden files and folder when doing recursive chmod? Note: chmoding .git folder is ...
1
vote
0answers
55 views

Mysql user privileges : Only CREATE table

I am trying to create a user who will be able to manage all databases without the right to CREATE and DROP databases. I have been using the following link : ...
1
vote
1answer
225 views

failure in connecting to my server through ssh

My goal: I want to be able to ssh to my workstation from external client. My workstation(in the following also referred as server) is on a lan. Its ip address on this lan is obviously different from ...
1
vote
2answers
2k views

DNSCrypt, Unbound and DNSSEC

I would like to have an encrypted DNS queries + a DNS Cache + Domain Name System Security Extensions (DNSSEC) . I used this bash script to install DNSCrypt and I choosed to use dnscrypt.eu servers : ...
3
votes
2answers
121 views

When do `sort -k 2,3b` and `sort -k 2,3` differ?

The POSIX description of the -b flag for the sort command is Ignore leading characters when determining the starting and ending positions of a restricted sort key. I can understand the use for ...
4
votes
3answers
610 views

Transactional UNIX shell for file system changes

It is easy to make a mistake when copying (cp), moving/renaming (mv), removing (rm/rmdir), creating dirs (mkdir), and changing file permissions (chmod). It would be nice to have a log to view before ...
3
votes
1answer
332 views

Why does agetty ask for the username itself?

From the man page: agetty opens a tty port, prompts for a login name and invokes the /bin/login command. It is normally invoked by init(8). But if you run login without any argument, it ...
1
vote
0answers
81 views

can't access account with empty password

I used the passwd command to remove the password for my account. Now, when I try to use su to log in to my account, it won't let me enter an empty password. So now, I can't access my account. Any ...
0
votes
1answer
137 views

No sound since I first pressed “mute” on my keyboard

I have a problem with sound. I once pressed the mute button on my keyboard and since then I couldn't do anything to get the sound back on my headphones (obviously, including pressing mute again). I ...
5
votes
1answer
2k views

copy a single file from local Git repository

I need to copy a SINGLE FILE from LOCAL REPOSITORY to my machine, not git-pull or git-fetch, how can i do it? Is it possible to get it via hash ? such as a3ea2118bf1c5e2c6aa0974d0b6ff7415bd044ef ?
2
votes
3answers
3k views

Editing Spec file in RPM

I'm trying to edit a spec file which always fails when I try to install it on other computer using RPM. I'm using CentOS. Here is the error. error: Failed dependencies: perl(ActsUtil) is needed by ...
1
vote
3answers
139 views

Terminal editor with “project pane”

Most GUI text editors have a "project pane" that's just a directory tree that you use to choose what file you're currently editing. What's a terminal text editor (or a VIM/emacs plugin) with this ...
0
votes
3answers
436 views

sed - change lines that start with one given word and end with another?

For example, given: $ cat test001.txt this is a test bucket bucket line not this one. bucket lein endy bucket and others endy and a ttest How can I change the lines that start with "bucket" ...
2
votes
3answers
120 views

Whats a simple Window Manager to use for web development? [closed]

I'm looking for a really simple window manager that will allow me to run a browser, a terminal and not much else. I normally just use chrome along with gnome-terminal and a series of gnu screen ...
4
votes
1answer
7k views

Extract single file from tar to other folder

I've searched for multiple forums for this questions and have seen different answers but so far, nothing have worked yet even from the ones I've seen here. I want to extract a single file from a tar ...
3
votes
2answers
5k views

What does ifup do when “/etc/network/interfaces” has an invalid netmask address?

The interfaces file looks like below: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.130 netmask 250.255.255.0 gateway 192.168.0.254 As you can see ...
3
votes
2answers
2k views

How do I fix iptables in ChromeOS?

Using the shell in chrosh in ChromeOS I followed some (apparently terrible) advice to flush my IP tables. using the command sudo iptables -F I am now unable to connect to the internet at all. All ...
1
vote
1answer
640 views

Cannot mount filesystem under luks. Device does not exist

I made one big luks device and re-used it on my debian install, then i ran into some boot problems and i need to acess the filesystem. The problem is, i decrypt the luks device and when i try to ...
4
votes
1answer
269 views

Zsh completion that is insensitive between `_` and `-`

I don't like typing underscores, and would like to type a dash instead, and have zsh autocompletion treat it like it could be either a dash or an underscore. Is this possible with built-in zsh ...
2
votes
0answers
80 views

Keyboard-bound applications in Openbox

Following the template of another stack user I've bound a keyboard shortcut to toggle an application between hidden and fullscreen. The only problem is, no matter what application I apply it to, I ...
2
votes
3answers
2k views

Running tcpdump, tee and scp

I'm trying to run the following: $ tcpdump -l -X -i eth1 -n tcp port <port> | tee capture.txt | \ scp capture.txt root@10.3.3.227:/home/checker/ tcpdump -l -X -i eth1 -n tcp port ...
1
vote
1answer
4k views

/dev/console dynamic redirection

Is it possible to dynamically redirect all data sent to /dev/console into something else (for example - to /dev/null, /dev/tty9 or even /dev/null)? Of course, it can be done statically via ...
2
votes
3answers
13k views

I don't see .bashrc in my home directory but want to make a permanent change to my path

I am trying to add a location to my $PATH variable on a Mac running OS X. I am following this tutorial, which says to edit the .bashrc file. I don't see this file in the home directory even when I do ...
1
vote
1answer
3k views

Unable to get Wireless working during Arch Linux install

I'm following the Arch Linux install guide here: https://wiki.archlinux.org/index.php/Beginners%27_Guide I'm installing from a live disc. I've just used pacstrap to install the base system. I then ...
5
votes
3answers
218 views

What is the difference between [.]* and '.*' for command 'find -name'?

My goal is to find all files or directories in a filesystem that start with a dot (.), for example .gnupg. So I came up with the command: find -name '.*' Checking on the Internet, I saw some hints ...
6
votes
2answers
6k views

Need to get the difference between two time in seconds

The following two variables contain the start time and the end time , need to get the difference between these two time in seconds start_time=06:07:25 end_time=07:02:08 Desired Output diff_time= ...
13
votes
4answers
3k views

How am I supposed to edit files on a network with Vim?

Currently I'm doing it by SSHing into a server, and executing Vim on the server. This has the benefit of not having to deal with cumbersome syntax of opening files from a remote server over SCP, and, ...
0
votes
2answers
596 views

Cannot create root jail

I just tried to play around with chroot command only for testing purposes, in order to create a temporary root jail, but I didn't managed to. The platform is CentOS 6.4. and I have done it numerous ...
4
votes
4answers
814 views

How to Prefix a column values with an apostrophe ( ' )?

I have a CSV file with multiple columns and 1000's of records, I need to prefix all the values of one of the columns (lets say 2nd column) with an apostrophe ' except in the first line or header line, ...
6
votes
4answers
244 views

Is it shell portable to run a command on the same line after variable assignment?

Is there any standard that covers the portability of running a command after variable assignment on the same line? APPLE="cider" echo hi How portable is something like that? Where will it work and ...

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