Ubuntu Servers :: Keeping Up To Date
Apr 22, 2010
Fairly new to Ubuntu server. Was curious about keeping a running system up to date. Can any harm come from running the following:
sudo apt-get update
sudo apt-get upgrade
What I mean is, is it possible that doing the above could cause a perfectly healthy system to go foobar? If so, what's the best way to prepare a system for a recovery. The Server in question is a Hardy BIND server. In the past, I've seen some ugly things happen to Windows systems after running updates, so I'd like to err on the side of caution.
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Apr 22, 2010
Was curious about keeping a running system up to date. Can any harm come from running the following:sudo apt-get updatesudo apt-get upgradeWhat I mean is, is it possible that doing the above could cause a perfectly healthy system to go foobar? If so, what's the best way to prepare a system for a recovery. The Server in question is a Hardy BIND server. In the past, I've seen some ugly things happen to Windows systems after running updates, so I'd like to err on the side of caution.
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Jan 11, 2010
Xandros isn't keeping its repostorie Apps. updated. I tried Ubuntu 9.04 and it was good with only a minor change, (wireless was slow). Got a workround from Ubuntu forum. Login as root I was able to fix it, I updated to Ubuntu 10. Wireless was slow again. I tried logging on as root. Ubuntu 10. has lockout root and sudo won't let me add (iwconfig wlan rate 54M) to a boot up program to fix it. I went back to 9.04 now it wouldn't let me sign in as root. I next tried Debian Lenny. The screen res. was 1600 x 900? And for Dabian Lenny the screen res. is set automatically and can't be set manually, so I could not finish the install. So I'm back to Xandros 4.1 needing help to keep it up to date.
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Mar 31, 2010
I've had a search through the forums but can't find what I'm looking for, I'm sure it's there and apologies for asking something that has undoubtedly been answered before. I'm running numerous Ubuntu 8 LTS web servers, with mysql, rails, nginx, etc etc and I was after some advice about keeping these servers up to date with security updates. I'm on the ubuntu security announcements mailing list, but I was hoping to find a way to automate the installation of any security updates.
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Jul 1, 2010
My clock settings are always keeping out of date, how can I fix this bug? I'm using opensuse 11.2 with Gnome desktop
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Mar 27, 2010
I stream my local police station dispatch on the web using an icecast/darkice configuration [URL]. The downside of using this software is that once you initiate darkice, a terminal has to be open - the process does not run in the background.
I tried placing a monitor on my server (ouch, that hurt) and keeping darkice alive that way, but my mail server kicks the process. Now, I set the KeepAlive variable to something outrageous and keep an ssh session open on my desktop box to keep the stream going. Screen does not work as Postfix boots that as well.
keeping the process going indefinately?
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Aug 23, 2010
I am currently running multiple VPS's of which one is a Hardy based LAMP install with PLESK. I have just one gripe about running Hardy on this VPS: PHP 5.2 is horribly outdated!! It has 5.2.4 in the repos, whilst 5.2.14 was released a while ago. As an LTS server distro you would expect these kinds of packages to be updated to ensure security? Please don't tell me I can use Dotdeb, it was never meant for Ubuntu and I have had problems with it in the past.
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Aug 31, 2010
On my virtual machine ubuntu 8.10, the date and time settings are not updated every time when I restart the machine.
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Sep 5, 2010
Trying to take a UK formatted date (30/12/2010) and insert it into Mysql (2010-12-30) is just not going to plan. I have a feeling I'm getting close, however it's just not working out.
Code:
if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
$unformatted_date = $_POST['date'];
$formatted_date = substr($unformatted_date,6,4) . "-" . substr($unformatted_date,3,2) . "-" . substr($unformatted_date,0,2);
[Code]....
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Sep 23, 2010
I am manually backing up my server now with mysqldump and that works but I was wondering about mechanizing the process.
Nirvana would be to dump to a file named with the date
This way I have backups going back over time
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Jan 13, 2011
10.10 Headless Server, CUPS queuing to HP Deskjet via socket correctly (?), but output regardless of file type only top three lines (NOT header or date or so)
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Nov 13, 2010
I hope this is the right section, it looks like though. I have a small nas ( via artigo a2000 ) with 2 sata hd 1tb each with raid 1 and lvm on top configured and working great.
sda1 and sdb1 ==> md0 raid1 for /boot
sda2 and sdb2 ==> md1 raid1 for swap
sda3 and sdb3 ==> md2 raid1 as physical volume then volume group and lvs on top ( / is a logial volume of these )
I wish to upgrade the current fedora 12 32bit installation I have on it doing a fresh install. But because I have a lot of data on md2 ( 600GB worth ) which I don't want to copy across somewhere else first, I need to know how ( i am pretty sure i can ) to mount md2 during the installation. This way I can use the data I already have on it.
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Sep 22, 2010
I'm looking for a method for modifying some jpg photo files last modification date with the corresponding timestamp creation date of each file.The reason is that shotwell import pictures in folders according to last modification date which is stupid on my opinion.
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Aug 1, 2011
As a photographer I'm constantly taking photos and storing them in folders. Now occasionally I'm using two cameras (either for different settings or an assistant is also taking photos) which means that for one event I can have differently named images.Both cameras have the same time set (which always helps in Windows) but in Ubuntu when trying to sort my folder by date taken I can't.The options I'm given are to sort them: Manually, by Name, by Size, by Type, by Modification date and by Emblem.Now none of those are helpful to me once I've done a few edits to the images.So please if anyone knows, how do you organise a folder with images taken on different cameras by Date Taken rather than Date Edited?
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Mar 12, 2010
I am using CRON to create a new, blank file, every minute, in a specific location on my web server. After web searching, and reading man pages, I get the impression that the following command is supposed to work:touch /home/mydomain/var/folder/attachments/`date +%H%M`.txtThis should give me a new file with a file name that is the current hour and minute.However, when executed, the CRON mailer reports:touch /home/mydomain/var/folder/attachments/`date +/bin/sh: -c: line 0: unexpected EOF while looking for matching /bin/sh: -c: line 1: syntax error: unexpected end of fileSo, it looks like shell is seeing the plus (+) sign as an EOFObviously, nothing get created.What would be the easiest, single line command to create an empty file, at a given location, with a time based file name
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Apr 22, 2010
Anyone have a ksh solution to convert julian date to gregorian date?
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Jan 24, 2011
I just switched from a basic digital camera to a more advanced one that stores both Jpeg and Raw (.Nef - it's a Nikon) files for me.When importing files in Digikam, I rename the files so that they start with Date and Time. Example: 20110121-223748.JPG for a photo taken on Jan 21st 2011 at 22:37:48.I was a bit surprised when importing both the JPEG and the Raw version of the same photo, that the filename is different by a few seconds (no constant offset, sometimes they are the same):
20110121-223748.JPG
20110121-223750.NEF
I did some "research" by looking at the exif data of both files (using "exiftool 20110121-223748.JPG" from the command line). Here is what I got back
(amongst other data):20110121-223748.JPG
File Modification Date/Time : 2011:01:21 22:37:48+01:00
Modify Date : 2011:01:21 22:37:48
Date/Time Original : 2011:01:21 22:37:48
[code]....
So it seems that Digikam is using the "File Modification Date/Time" (different in the Jpeg's and Raw's of my camera) rather than the "Create Date" (the same for both Jpeg and Raw). (The few seconds difference in "File Modification Date/Time" between the two versions of the same photo is probably due to the time that my camera needs to write away the data on the SD memory card. I guess.) Is there a way to have Digikam use the Create Date? (Or the Date/Time Original?)
PS: I'm on Ubuntu 10.04LTS, using DigiKam 1.2.0
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Jul 12, 2010
I would really like to preserve a file's original modified date and pass it back to the file as the same attribute after a script has worked on it. I get a lot of JPEG files from different places on the Net which I either turn around and upload or burn to disk, and having the "original" date of either download or last mod in a graphics app would be for me, in the long run, a lot more helpful when deciding, for instance, which files to "recycle" or pass on backing up more than once.I've tried doing this on my own every now and then. Where I run into problems is that it appears "stat" and "date" use different formats for date information, and I can't seem to puzzle out how to "translate" one to the other satisfactorily for the latter command.
Just to give an example:
stat foo.jpg |grep Modify gives me
Modify: 2010-07-12 06:28:56.890625000 -0400
Passing that string as-is to date foo.jpg, I get the errordate: unknown option -- 0 and the usual semi-courteous suggestion to Try 'date --help' for more information.Somehow my TexInfo database got screwed up somewhere along the line and info dategives me the short article on date input formats, not the full documentation for the command
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Jul 31, 2010
When I clall the "update manager" it tells me if my system is up-to-date or new updates are available. Lets assume I update my system now (I disabled automatic updates).
Then (in a couple of days or weeks) I start the Update Manager again and it tells me again that new updates available. How can I find out now when the last time was when my system was "up-to-date" (=when a complete, successful update took place)?
Is there soemwhere an entry which shows this date?
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Mar 23, 2011
I have a Ubuntu 10.04 box that I want to keep on Eastern Standard Time. Under the Time & Date GUI I select the correct time zone, put it in Manual mode, set the time and it is fine until I reboot. Then the clock advances one hour about 20 seconds after boot. I don't remember this happening a month ago before DST started. Does anyone know of a way to keep the beast on EST, not EDT?
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May 20, 2010
i have 10.04 installed through wubi on my school hard drive and i notice that after i turn it off, then later put it in one of the many computers, firefox seems to forget i had things to keep me logged in, such as this forum.
now it could be that i use it on different computers(all have the same hardware), but its just odd if you ask me this doesn't get in the way of use but is happening.
Code:
Linux ubuntu 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010 x86_64 GNU/Linux
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.3) Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3
cookies are enabled
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Oct 14, 2010
I want to download KDE to run on Ubuntu Maverick, as well as keep Gnome.
I tried:
sudo apt-get install kde-minimal
But that package no longer exists. So, what is the KDE-Core (which doesn't exist anymore either) package now? Where do I go to search for current packages? I've looked in Launchpad, but that's more to add repositories and track bugs.
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Mar 15, 2010
I have a /home partition at /dev/sda3 and I am currently in Gparted. I wanted to know if I am supposed to re-identify it somehow when I re-install ubuntu on /dev/sda2.
It seems to me that it would try and create a new home directory on /dev/sda2 unless I tell it otherwise. Is this correct? I just want to make sure I don't do two things...
1. End up with 2 home directories
2. Delete my existing home directory at /dev/sda3 (with my files)
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Jul 8, 2010
I've reinsalled ubuntu 10.04 no less than 5 times, each time taking hours to get all my configuration right, basically I like to mess to the point of screwing it up. Anyway just wondering if there was a way or program that remembers all of your preferences, files, games, apps, EVERYTHING! so you only have to load the file and it will do everything for you. Would save lot of time!
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Sep 21, 2010
I would like to have a way to keep track of my working hours easily.
Insert arrival and finish times and have the difference in decimal. For example, if I start at 8:00 and finish at 9:30, 1.5 should be added.
I tried to do this with Calc but couldn't figure it out. I set one column to have entrance time, another one to have exit time and a third one with the difference("=B2-C2"). The result is in a timestamp format and not decimal. If I use another cell to say something like HOURS(D2) it rounds the number rather than give a decimal(would give 9 for 9:20:00).
EDIT: solved by doing =24*(B2-C2)
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Sep 26, 2010
I know how to forward ports in my router. Now I need to open a port to help with testing a project and no matter what I've tried, every port under 1055 shows up as stealthed (with 1-71 closed) according to Shields Up! I'm happy to run it at a port > 1024, but whatever I try also shows up stealthed. I even tried (briefly) turning on DMZ and still the same thing. My ISP swears that they only block port 80, 21 and 25, none of which I'm trying to use. UFW status reports inactive and I'm not using firestarter. I'm not running any other server (apache, light speed etc). If it's not my router and it's not my ISP, and there's no other server apps running, then that kind of leaves Ubuntu as far as I can see,
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Oct 20, 2010
I have a netbook (Acer Aspire One ZG5) with ubuntu only partitioned this way:
/
swap
/home
Since this ubuntu is 10.04 upgraded many times (since 8.04) I want to make a fresh install, and also want to take the oportunity to install and give a try to meego, so I want to...
/ ubuntu
/ meego
swap (need to expand)
/home (ubuntu)
My question is can I keep my current /home partition (which is encripted) and use it with my new 10.10? How?
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Nov 25, 2010
I am trying to create a link to my windows xp workgroup where all my data is stored (I was surprised that linux could even see it!) I mounted a volume on the desktop apparently... that worked fine until I rebooted and it had disappeared. it was fairly annoying that I had to go back into the network and re-mount the volume. How can I get it to stay put, even after rebooting?
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Dec 6, 2010
I had 10.04 in my netbok but something happened, packages failed to install, all sorts of errors when shutting it down, kernel panic when switching on again so I've decided to just install it again. I've got 10.10 running from a LiveUSB drive right now and I'm going through the installer. I want to just tell it to use the exsting partitions, dont bother formatting, just install the new OS on top of the old one so I can keep the user documents etc How do I do this? I picked advanced partition management in the installer, pressed Change on sda1 and gave it a mount point of / but now the "format partition" is ticked and greyed out.. i dont want to format this partition, I just want to install to it
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May 1, 2011
As far as I can tell Unity and Gnome 3.0 look basically the same, are all linux distros going to start to look like that? I finally decided to make the move from windows to linux and I was having a lot of fun customising everything, but now that 11.04 is out i can't even right click on the panels any more :( , can someone refer me to a good linux distro that DOES NOT look like a mac (I hate how macs look), otherwise I might have to move back to windows
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