I am asking this question on behalf of another user who raised the issue in the Ubuntu chat room. Do journaling filesystems guarantee that no corruption will occur if a power failure occurs? If this answer depends on the filesystem, please indicate which ones do protect against corruption and w...

I found What do the numbers in a man page mean? which explains the sections for command/library documentation quite nicely, and I was looking at the output for man regex and noticed the See Also referred to regex(3). I tried to run man 3 regex, but got the following message: No manual page for ...

If I (e.g.: under Fedora) edit the crontab file with vim, then I restart crond: /etc/init.d/crond restart then the actual crontab file: "/etc/crontab" is the same as the actual cronjobs in reality. Ok! But: Q: How could I list the real-actual cronjobs, if the "/etc/crontab" file gets modified...

http://www.geekzone.co.nz/foobar/6229 How can I fully disable the .desktop file function under GNOME?

If I have: [usern@hostn yum.repos.d]$ cat google-chrome.repo [google-chrome] name=google-chrome baseurl=http://dl.google.com/linux/chrome/rpm/stable/i386 enabled=1 gpgcheck=1 [usern@hostn yum.repos.d]$ then how can I ensure that there will not be incidents like (just theory): a firefox packa...

E.g: I need to know when was the last time a pendrive was mounted. Where could I see that? The pendrive has e.g.: FAT32, EXT3 filesystem. Thank you.

Are there any timeout settings that can be achieved, when e.g.: a root shell (in e.g.: gnome-terminal) doesn't run a process (e.g.: started a script, or something), so that it logs out after given time? I'm searching for a solution under Fedora/bash; OpenBSD/ksh Thanks

I have a list of filenames as id-datetime.txt, one each line, where id is always the same and datetime is ordered. I need first and last datetime so having a sed_script in a variable $script that grabs it I can do sed -nr "1 $script p; \$ $script' I get datetime (oldest) datetime (newest) ...

lc----A tool to count lines of code in C files. The make file of lc is given as below SHELL=/bin/sh CC=cc Objects we link together. OBJ=lc.o get.o all: $(OBJ) $(CC) -o lc $(OBJ) lc.o: lc.c lc.h get.o: get.c lc.h I have lc tool on my desktop. So what should i enter on the shell comm...

I'm trying to set up a dynamic DNS account on dhis.org. I have edited /etc/hdid.conf in the way described in the website and the dhid example and I have dhis-client installed. This doesn't work and I don't know why. Where can I find a log file or how can I try and connect manually?

I tried to compile a c file to get object file from unix shell prompt $cc a.c but the error is as: /usr/ucb/cc: language optional software package not installed How to compile c file?

SHELL=/bin/sh CC=cc Objects we link together. OBJ=lc.o get.o all: $(OBJ) $(CC) -o lc $(OBJ) lc.o: lc.c lc.h get.o: get.c lc.h

super simple question i think- when i use the shebang #!/usr/bin/env python to run a script, how does the system know which python to use? if i look for a python bin path in the environment variables, i find nothing. env | grep -i python thanks :)

I am using Ubuntu 8.04, and it was working fine until a few days ago, the pop screen for ShutDown started taking too long to come(about 3 mins) and in the mean time computer freezes. However, after about 3 mins when it appears everything looks normal and when shut down is clicked, it shut downs s...

Dear all, Could you suggest a good base converter that also does "signed" conversions? Either gbase does not do it, or I can't see how it's done. Any help would be great. What I want to do is give the program an integer, say, -100, and I need to know the binary byte representation of it (in the e...

I have a file run_scrapers.sh that run a few scrapy crawlers and look something like this: #!/bin/bash cd /etc/scrapers touch itran scrapy crawl foosite --set FEED_URI=../foo/foosite.xml --set FEED_FORMAT=xml & scrapy crawl barside --set FEED_URI=../foo/barsite.xml --set FEED_FORMAT=xml &...

In a Debian lenny server running postgresql, I noticed that a lack of semaphore arrays is preventing Apache from starting up. Looking at the limits, I see 128 arrays used out of 128 arrays maximum, for semaphores. I know this is the problem because it happens on a semget call. How do I increase...

How do I use the mail command to check email (and send email) from gmail. Does it support labels? I couldn't have figure out where to put the username and password. I tried to search for instruction but couldn't find any

I am installing a new version of Java on a CentOS/RHEL Linux distro for a single developer to develop java. The way I want to install on this development system is to just put the new java version somewhere and then update my path so that the new java is earlier on the path (and thus executes al...

I have a machine running Ubuntu which I SSH to from my Fedora 14 machine. I want to forward X from the Ubuntu machine back to Fedora so I can run graphical programs remotely. Both machines are on a LAN. I know that the -X option enables X11 forwarding in SSH, but I feel like I am missing some of...

Does anyone know how I can backup an entire system, such that if the disk drive failed, I could quickly restore the backup onto another disk? I'm running Fedora 14. Thanks!

I am using tcsh. bash and zsh and other suggestions won't help here. I have several aliases that are named the same thing as another command, so if I did unalias it, typing the same thing would now do something different. Most of the time I want the aliased command, which is why I have them. Ho...

In an AWK script I am using a command system(date) to print the current date in a file but after this command is executed a next line is also added implicitly. Is there any way in AWK to print the current date without the new line being added so that whatever I print next comes in the same line?

I typically unmount my USB drive (using umount) from /dev/sdb1 before I shutdown my computer but if I shut it down using shutdown -P now and then restart it, the drive is no longer mounted. Is this a safe way to unmount the drive? Thanks

I have access to a remote Linux machine where everytime I create a symbolic link, it is created by default with the following permissions: lrwxrwxrwx If I try to change the permissions of the symbolic link (i.e. not the path that it points to) using for example: chmod g-w my_symbolic_link chm...

Here is a script from Mercurial issue 2743. Call it mq.sh. I'm trying to get it to do the following things, on Debian squeeze. Echo commands + standard output + standard error to a file. Prefix with working directory. Sticking in $PWD doesn't work, as it presumably just keeps using the value fr...

Consider a situation where I'm logging in over SSH from machine A to machine B, I have an X session on machine A, and I want to run an X program on B. ssh -X B makes this work transparently. But what if the server configuration lacks X11Forwarding yes, I don't have root permissions on the server...