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Nov
24
comment 500 Internal Server Error?
What do you see in the httpd error log? (Usually /var/log/httpd/error_log)
Nov
24
comment Not all cron jobs runs properly
The crontab file where you configured that script to run... at the top of it.
Nov
24
comment 500 Internal Server Error?
In that case, can you provide a whole lot more information, please? What's your OS and web server, what PHP version, what you see in the error logs, what other things you've tried....
Nov
24
comment what is outbound ssh
The difference is direction. One isn't really more "regular" than the other. In fact, any given cross-network ssh connection is both -- it's just a matter of where you're standing.
Nov
24
comment How to tweak Gnome user elevation in RHEL/CentOS
@ErubusBat Thanks! :)
Nov
24
comment How do I reclaim a disown'd process?
Yes, I think we agree about everything except for the meaning of the term "process ownership". This refers to the user id with which the process is associated, not its parent process. Maybe the confusion is due to the disown bash-specific command, which, despite the name, actually has nothing to do with changing process ownership.
Nov
24
comment Will 208v Hurt My Servers?
If they're charging that way, they are either eating the costs on 208V, or else overcharging you on 110V, because they're sure not getting billed that way by the power company.
Nov
24
comment Will 208v Hurt My Servers?
I don't think datacenters really charge just by the amp, do they? They must charge by the watt, which conveniently reduces to amps if the voltage is constant (that is, all 110v or all 208v). It certainly doesn't cost them half as much to use the higher voltage for the same amount of work. As sysadmin1138 says, the power supplies are slightly more efficient running at higher voltages, so there's the savigns.
Nov
24
comment How do I reclaim a disown'd process?
The parent process changes to init, but that's different from ownership. The EUID and UID of the process remain that of the original user. Otherwise, this could be potentially exploitable, because every user would suddenly have a way of running code as another user, and a system user no less.
Nov
24
comment How do I reclaim a disown'd process?
Processes don't own other processes quite like that. A disowned process is still running as you.
Nov
24
comment How to make ssh match known_hosts to host/ip:port instead of just host/ip?
Clever. Horribly wrong, but clever. :)
Nov
23
comment Is there any browser utility I can use in SSH for Linux
Note that both of these are available in the CentOS base repo, so you just need to yum install them.
Nov
23
comment Fast way to recursively count files in linux
I was just writing almost exactly the same thing, but you beat me to it, with nice examples and everything. :) One minor addition is that if directories need to be differentiated but don't change often, that number can be cached, or if precision isn't necessary, estimated.
Nov
22
comment Comprehensive guide to init.d scripts?
And looks like for RHEL 7 you may have to learn systemd.
Nov
21
comment Images loading speed dependent on server?
Your hosting provider is conflating bandwidth with simple traffic per month. Many providers cap out at some number of gigabyte transferred, either shutting down or charging extra. Yours doesn't have a limit like that. But that's not really bandwidth, of course. Doesn't do much good if it's unlimited 1200bps.
Nov
20
comment cp and cat on Centos 5.5/ext3 is 10x slower for files in certain directories
Cool — glad I could help!
Nov
20
comment How to give an apache user read/write permissions?
Make sure that the directory which can be written to isn't configured to execute php or cgi scripts. Most ideally, make it so it can't even be served out by Apache at all. (If you need to re-display the saved information, use a program to fetch and output it.) This will save you a whole lot of pain later.
Nov
19
comment Linux Routing. Computer A to computer C
Have you considered simply connecting A to C as well? Then each machine has a dedicated gigabit link to each other machine, and you don't have to deal with routing or server B becoming a point of failure for A-C communication.
Nov
19
comment 64-bit and 32-bit Linux distros
See screenshots of it being installed in GUI mode: theosquest.com/2010/10/10/… Maybe you can explain what you're doing in more depth?
Nov
18
comment Repositories for CentOS that don't suck?
I just want to comment that this is by design. CentOS is a rebuild of Red Hat Enterprise Linux, which includes a tailored set of packages which are given careful scrutiny. This set is getting pretty long in the tooth given how ancient (in Internet years) RHEL 5 is. RHEL 6 should address some of that in that it'll have more modern tools included (git, for example). But even then, if you want a wider world, the general answer of "add EPEL" is a good one. Or, if you want the whole universe and are willing to trade off enterprise stability, that's what Fedora is for.