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Does anyone have any experience putting Linux on previously Android (ARM) devices? Is it possible beyond the runs-as-an-app I've been hearing about?
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Dec 4, 2012 20:26
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Ratzap posted:I have a trim slice which is a tiny form factor all in one running arm v7. Ubuntu is easiest to get going, there's archlinux and several other options. However, what you can run will depend on your device and what arm version. It's going to be one of these http://www.amazon.com/gp/product/B008H3B736/ref=oh_details_o00_s00_i00 One person in the reviews says that it can do Ubuntu but didn't elaborate. I would hope that since it's generic enough it shouldn't have much of a problem, I just don't know where to start. I haven't installed Linux on anything but VMs and x86-based computers, so an ARM-based mini-computer seems daunting (but it probably isn't that hard, I know). asaf posted:Looking for a distribution to use on a VM to get back into coding... Last time I did this I used Ubuntu 10.04 LTS, but with the changes I've been hearing about Ubuntu and all the crap that seems to come loaded on it in the latest LTS release, I'm wondering if I would be better served by something like Mint. I used to use Linux as my primary about three years ago, and back then I was into Arch, but using Arch on a VM strictly cause I prefer coding in a *nix environment instead of Windows seems like it would waste a lot of time. Distribution suggestions, anyone? Hey now, calm down, you're probably overthinking things. I don't see a problem with any of those. At work I code in RHEL6, at home I use Mint. I like Mint because it's more of a "desktop" feel that I could easily install on laptops and VMs and then the only things I had to add on were coding and testing related packages. Adult Sword Owner fucked around with this message at 23:02 on Dec 4, 2012 |
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Dec 4, 2012 22:58
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Ratzap posted:Looks interesting. Skim through http://archlinuxarm.org/forum/viewforum.php?f=11 and you might find someone who's done it already. Looks like someone was trying a cortex core in a tablet mid year so they may well be along by now. Looking around, apparently someone suggested this can work https://www.miniand.com/forums/forums/2/topics/1 It's obviously built for a different piece of plastic, but I can't imagine it would be vastly different. Worth a try I suppose.
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Dec 5, 2012 02:02
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Along those lines, is getting "REDHAT CERTIFIED" worth it if I'm looking to move into sysadmin-type jobs? I was looking through a magically procured studyguide for the test and I'd say I know more than half of it already, and the stuff I don't know is for the most part just a deeper use of stuff I was using already.
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Dec 5, 2012 21:36
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I don't think I've seen a job specifically ask for it, but I do want to do sysadmin work but my experience consists of "messing around with it on a few machines at home, doing some very basic stuff in college, and supporting individual machines at work even though that's not my official job description" I just want to show I know what the hell I'm doing and to stand out a little? I assume it's really the reasons I haven't gotten call-backs since that experience looks a bit lame.
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Dec 5, 2012 21:50
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evol262 posted:Your description pretty much sounds like "I want to be a sysadmin, but I'm not experienced enough, and I keep applying to sysadmin jobs." To be honest, Linux isn't uncommon enough that I need to hire some shade-tree guy who's never touched a production system, doesn't know how to script, can't configure a webserver, etc. You need to look lower, at junior admin, operations, etc, and work your way up when you have the experience. It's unlikely that you're going to win out over a guy who has even six months of solid experience working on the command line. My point is I CAN do those things. I've done most of that at this job (I've been at for a year and a half), plus the experience of messing around which is harder to quantify, it's true. The problem is that my actual job title has nothing to do with sysadmin; I was just basically "a guy who could learn to do it," was taught everything I'd need to know from the guy really into it (who also is not officially an admin), and learned the rest myself. I mean I guess junior does make more sense, but I'm not coming into this blind in any sense of the word, whereas I always understood junior as "potential but zero experience"
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Dec 6, 2012 05:11
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I got it, thanks for the help. I do have the actual things I've done in my resume so I guess it's not really hidden information at this point. I'll have to see about those certs and about trying to maybe change my search terms. Again, thanks guys!
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Dec 6, 2012 16:47
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Ninja Rope posted:Then again, sometimes the only way to get ahead is to change jobs. This change has been made for me, so now I am full-time looking for a position  I'll be thinking about the advice dispensed here.
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Dec 7, 2012 07:22
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Quick question, I put Ubuntu 12.10 on VirtualBox on my laptop (i7, 6gb ram) and gave it 8gb space, 4 gb ram, and 4 cores. It takes 20 mins to boot and is impossibly slow. Is this just VirtualBox, my laptop, Ubuntu got bad, or a combination? Edit: Vvvv. I should mention I have not actually gotten past the login screen. It took about 3 hours to install last night, then waiting for it to boot, I entered name and pass, and it ground on a blank screen for 20 minutes before I had to do other things. Adult Sword Owner fucked around with this message at 02:58 on Dec 25, 2012 |
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Dec 25, 2012 02:51
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edit: MY QUESTION IS STUPID PLEASE IGNORE MY QUESTION STUPID MUCH LIKE MYSELF Also can you guys recommend an IRC channel I can ask those stupid questions in and not get yelled at? Does SHSC have an IRC? Adult Sword Owner fucked around with this message at 07:46 on Jan 9, 2013 |
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Jan 9, 2013 07:13
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My question was horribly stupid, no two ways around it. In my defense, it only confused me for about 5 minutes, because my former place of employment did things a bit less secure than, well, anywhere, since it was all internal dev stations and all (not an excuse). Anyway thanks for the channel suggestions. I'm messing with RHEL6 because it's what my job interview on Friday is about, and it's what I was using before, so might as well keep this going. Mostly just trying to cram some more info about Bash scripting into my head and praying they don't ask me to write script with pen and paper, because I can't do that.
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Jan 10, 2013 02:36
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I just got a position as a junior Linux sysadmin (RHEL workstations and desktops, a few laptops). Anyone have a recommended "cheat sheet" I can have around for less common problems?
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Jan 30, 2013 08:07
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I was already using those sites, I meant an actual physical cheat sheet, but if those are all I have to use that's fine.
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Jan 30, 2013 21:20
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fatherdog posted:Don't. My personal example of "why not to run in root" was having a coworker bitch at me that we were telling them not to do it, then another coworker comes up and wants help because she managed to delete everything in /var/db while logged in as root and it busted our software.
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Feb 4, 2013 14:08
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So the place I just started has this problem: all our user's home directories are shared via NFS, allowing the mounting of the home directories of other users on any machine, and the place has been RHEL5. They are starting to flirt with RHEL6 but in the very limited roll out (2 boxes), they've discovered that while 5 and 6 can freely access each other's NFS shares, 6 to 6 just isn't working and it looks like it hangs. Any ideas?
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Feb 6, 2013 00:00
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evol262 posted:SELinux? iptables rules? You using NFSv4 on RHEL6->6 (probably)? Is it configured correctly? Those have already been ruled out. 6 comes with NFSv4. We even have RH themselves looking at it and I can't find anything on the internet beyond "really high IO can make NFS unresponsive"
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Feb 6, 2013 00:29
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"These are complicated by the fact that Angstrom mostly runs on PDA-style devices, which are physically small, and also lack much computing power." Wait, what? was this written in 1998 or something, when "PDAs" a) existed b) sucked c) weren't an issue? Don't you WANT more local security on a smaller device that may contain user data because it's easier for someone to just gently caress off with it?
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Feb 11, 2013 17:22
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From what I can tell, if it's registered, it will have the file /etc/sysconfig/rhn/systemid If the file does not exist, it's not registered. I think you HAVE to use the GUI to fully unregister a system. Disclaimer: I've only been fooling around with it for a week. Adult Sword Owner fucked around with this message at 22:00 on Feb 13, 2013 |
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Feb 13, 2013 21:58
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A user with Gnome on Red Hat 5 is getting miffed that his trash can icon (and the trash itself) never shows files he deletes. We've checked the .Trash folder and the files are going there, but he can't empty them without going CLI and deleting them by hand, which he does not want to do. We've tried deleting the .Trash and recreating it, moving .Nautilus away so it's recreated on login, and tried to empty it in KDE. Nothing is fixing this issue. I keep seeing references to the bug on Google but their fixes don't work or it says it's fixed in versions 7 years old.
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Feb 15, 2013 20:41
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.xsession-errors is pretty clean. It doesn't look like we have anything with gvfs installed (again I'm pretty new in this position so I'm still getting around our setups)
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Feb 15, 2013 21:53
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evol262 posted:NFS homedir? /home a separate partition? I'll try to reproduce but as far as I know, this is the only user having this problem. Everyone uses the UI heavily so it seems like if it was that bug, it would have come up before. When I get in I'll check the version numbers.
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Feb 19, 2013 14:19
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On one server, we've given one account sudoers access to ONLY restart Tomcat username localhost=/etc/init.d/tomcat5 stop, /etc/init.d/tomcat5 start, /etc/init.d/tomcat5 restart However, when he tries to sudo any of these commands, he gets "username is not allowed to run sudo on server. This incident will be reported" Am I missing something?
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Feb 21, 2013 18:55
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Thermopyle posted:Thanks, just what I needed to know. Besides w? edit: w is probably a terrible solution for your problem, sorry.
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Feb 26, 2013 19:28
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Try diff <your args> 2>&1 | tee output.txt
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Feb 27, 2013 14:28
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From what I remember trying to get Steam up about a year ago in Wine, it took a huge amount of fiddling and I don't know what I did to fix it, but it was still really unreliable.
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Mar 11, 2013 14:54
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Horribly new question: I need to update a bunch of boxes with RHN. When I work with a group, select all packages and go to install, on i386 machines it installs just the i386 packages, but on x64 machines it wants to install both x86_64 AND i386 packages. Is this going to totally mess things up?
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Mar 12, 2013 15:42
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evol262 posted:Nope. It's multilib by default (ls /lib /lib64). You may want to check and make sure that you actually want all the i386 packages it's installing, though. Well, it looks like it has every single package in both archs. The big concern is that it has Firefox in both i386 and x64 and that just feels bad.
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Mar 12, 2013 16:07
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I am going to murder Java. I am trying to get the loving plugin to work in Chrome and I just cannot get it to go. I need it in order to connect to my work VPN. No matter what or how I install Java (including following instructions like this) Chrome denies that it's installed. I'm about to lose my drat mind. edit: I'm starting it with --enable-plugins just in case that's still a thing, I've tried creating the symlink in /opt/google/chrome/plugins which is apparently how it works in Ubuntu too. I'm using the 32 bit version as is required according to Oracle. Nothing. Works. Adult Sword Owner fucked around with this message at 16:01 on Mar 13, 2013 |
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Mar 13, 2013 15:55
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spankmeister posted:You need to put a symlink to the plugin in /opt/google-chrome or somesuch. I've done that. /opt/google/chrome/plugins/libnpjp2.so -> /usr/java/default/lib/i386/libnpjp2.so
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Mar 13, 2013 16:08
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spankmeister posted:And you're using the 32 bit version of chrome? 64 bit browser, 32 bit plugin. Shouldn't that still work, since the Java version HAS TO be 32 bit according to Oracle? edit: It's not even showing up in chrome://plugins. It's just not loading the loving file as far as I can tell. edit2: Tore it all down, put the 64 bit version of java on, triple checked the links, NOW it works. Ugh. Adult Sword Owner fucked around with this message at 16:42 on Mar 13, 2013 |
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Mar 13, 2013 16:14
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Dameius posted:Well I guess specifically it will be stuff related to Linux server environments. Aforementioned friend got a level 1 VPS for us to mess around in. So any guides on cool or essential things to do by bash commands to maintain a server would be cool. Learning about root access WHM right now and have pretty much mastered cPanel at this point minus any ancillary stuff like cronjobs scripting or MySQL work. Install a SVN server and get it working through httpd. Harden the server and use a suite to probe it or find a friend who knows how to do it and ask them. Get an rsync backup system in place and then cause a failure and restore it. My own unrelated issue I am dealing with: This user can't get into one of our main servers via ssh. I've had her do -v and this is the output after she enters her password quote:debug1: Authentication succeeded (password). After this, nothing happens, it just freezes. There were hilarious things happening before like the presence of an RSA key on her machine that was being sent to the server, which didn't expect an RSA key and was halting at the key authentication stage (before it moved onto password), so I'm expecting some other awful nonsense to be at work. Adult Sword Owner fucked around with this message at 14:44 on Mar 15, 2013 |
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Mar 15, 2013 14:27
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telcoM posted:Has the user customized his/her login script? My first guess would be a login script being stuck in an infinite loop or endless recursion. She did not However I'm pretty sure it's something to do with NFS. All of our user's home directories on their machines are available as NFS shares in the /export/machinename/username directory (mounted with autofs), and when I su - username to this user, it hangs. If I ps aux | grep nfs, I see that it's trying to mount her directory and getting stuck. It's an issue we've fixed by dropping down to NFSv3 since Red Hat themselves could not tell us why our systems would not work with 4, so I just have to change the configs on her system and it should be ok.
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Mar 18, 2013 04:44
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Ninja Rope posted:Is the user's shell what you expect? It wasn't, because a home directory couldn't be found, so it gave me a bare assed sh However, a coworker did ~something~ and it's all OK now. I've been bugging him to find out exactly what he did (since as far as I knew after downgrading the packages to fix the NFS problem, a reboot is required) but he's been busy.
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Mar 18, 2013 19:23
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Your first act is to press ctrl + alt + F2 If that doesn't help at all I got nothin'
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Mar 19, 2013 20:16
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Bob Morales posted:Memory usage for a couple lightweight window managers: Ah IceWM, good to see you friend. It's been a while.
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Mar 21, 2013 16:25
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Is there any easy way to tell when a program was last used? We have an expensive piece of software on our system whose license is about to expire, and we don't know if we want to renew it. I sent out an email to everyone who may use it and nobody claimed that they do, but that's apparently not good enough.
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Mar 22, 2013 16:14
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So one of our servers is 10 drives, SATA 1 tb and other specs, and one of the drives has died and needs to be replaced before another drive dies and causes a problem. I put in a request and apparently nobody carries the exact drive anymore. I found drives with the exact same brand, exact same specs, but different model number. How bad will it be to use these? I know there can be unlisted changes that can be unpredictable but I don't think I really have a choice at this point.
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Mar 28, 2013 01:27
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Bob Morales posted:That amount is no problem at all. The hard part is keeping your IP's off the spam lists. That's why high performance mail systems cost $$$, because they can. And yeh, mail reputation is a thing that people often don't think about until oops all your mailings are getting dumpstered.
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Mar 29, 2013 20:48
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Suspicious Dish posted:The genuine best advice I can give you is to work with a contractor like MailChimp. They have full-time staff devoted to managing delistings on block lists and that sort of thing. Or buy a package that handles it, but that is probably way more expensive if you truly aren't going to be doing 300k a day.
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Mar 29, 2013 23:15
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We have user's home directories shared as NFS shares and all computers, including servers, mount them with autofs when requested. On ONE server, for ONE user, there is ONE subdirectory that is showing 2 of each individual file (it has no subdirs under that). It does not happen in his other directories It does not happen when it's mounted on another machine It does not show that way locally I've tried exportfs -f on the server with no fix. I've restarted his machine. I can't find anyone on the internet beyond a bug reports that are never answered, forum posts that are answered with links to said bug reports, or stuff from Netapp asking for details that are never given.
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Apr 1, 2013 19:30
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