Norky
  • Member for 11 years, 9 months
  • Last seen more than 1 year ago
  • United Kingdom
12 answers
14 votes
2k views
corporate network: wireless vs wired
8 votes

I'm just repeating what other people have said, but point out to your boss that there have been more changes in wireless Ethernet standards (802.11 a -> b -> g -> n http://en.wikipedia.org/wiki/...

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4 answers
4 votes
5k views
Linux tape drive throughput performance statistics
4 votes

tapestat, part of the iostat package. [dan@lnaapp-backup ~]$ tapestat 1 1 Linux 3.10.0-514.el7.x86_64 (lnaapp-backup.internal.lr.org) 05/07/17 _x86_64_ (24 CPU) Tape: r/s w/...

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1 answers
2 votes
10k views
How do I disable multipath on Linux (RHEL 6) when it is on the root partition (/, /boot, /boot/efi, and swap)?
Accepted answer
4 votes

I suggest making sure your root device is explicitly excluded from multipath.conf and then rebuilding your initial ramdisk without multipath support: dracut --force -v --omit multipath disable ...

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2 answers
2 votes
4k views
How to dump a mysql database and transfer to remote ftp in one line -for crontab-?
Accepted answer
4 votes

If you have some task which requires more than one line of shell, a common approach is to put it in a small shell script, and call that shell script from cron. 0 18 * * 1 /home/myuser/backups/backup-...

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2 answers
2 votes
6k views
Is it possible to enable sudo -u only for specific users?
3 votes

From the man sudoers page: A Runas_Spec sets the default for the commands that follow it. What this means is that for the entry: dgb boulder = (operator) /bin/ls, /bin/kill, /usr/bin/...

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4 answers
6 votes
16k views
Configure HP Lights-Out LO100i from the host operating system?
Accepted answer
3 votes

Caveat: my company sells Proliants, usually DL300 series or bigger, and I have little exposure to the lower end servers. I also do Linux more than Windows, so I don't know how good the Windows IPMI ...

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4 answers
3 votes
1k views
Best way to execute a command after Linux system halt
2 votes

Do a normal full shutdown and power-off; count to ten and then power the machine back on with wake-on-lan or IMPI to the BMC (DRAC in the case of Dell?). If you want to keep it entirely local to the ...

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2 answers
11 votes
2k views
What is the potential for a FUSE mount to destabilize a Linux server?
2 votes

It appears (correct me if I'm wrong) that you're considering installing FUSE-sshfs on your server. You might be confused about the way it works: FUSE-sshfs should be installed on client machines. The ...

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2 answers
1 votes
102 views
Live updating running linux OS instance by unpacking disk image
2 votes

(Assuming that the answer to my previous question is a "yes"). Possibly the host is writing to (its idea of the correct filesystem layout on) the USB device while or after dd is running. You could try ...

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2 answers
0 votes
90 views
Unable to log output of iptables
2 votes

I think the problem is the source address: when trying to accessing that port, you're not coming from 0.0.0.0. Try a source address with a broader netmask (/0), or, and this is the more sensible ...

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6 answers
1 votes
2k views
How do I copy one 500GB file from win2003 to lan/usb without impacting the source server?
2 votes

By your description, the server cannot cope with the I/O load. I would be inclined to think that's due to some other fault as TheCompWiz said. Until/unless you fix/alleviate the cause of the problem (...

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3 answers
5 votes
15k views
Is it possible to detect Android and iOS devices based on DHCP requests?
Accepted answer
1 votes

An Android phone here sent similar vendor ID: Option: (t=60,l=52) Vendor class identifier = "dhcpcd-5.2.10:Linux-3.0.16-ge733189:armv7l:shooter_u" However an iPhone device sent nothing beyond its ...

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2 answers
4 votes
4k views
Routing using Linux with 2 NIC cards
1 votes

If Xen has configured a bridge network to connect the VM guests to the hosts LAN interface, then the guests should not be in a separate IP subnet. A "bridge" connects two networks which are disjoint ...

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5 answers
3 votes
18k views
open terminal via ssh run firefox -> display not found
1 votes

If the question is what I think it is ssh testuser@ubuntuhost firefox --display :0 -no-remote Will start firefox on ubuntuhost and have it display on that machine, assuming testuser is logged on to ...

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6 answers
20 votes
22k views
dnsmasq: mapping 2 MAC addresses to the same IP address
1 votes

Your aim: to have constant-hostname-of-laptop always point to the (active IP address/interface of the) laptop? I would have thought that the combined DNS-and-DHCP service of dnsmasq would do that, i.e....

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2 answers
1 votes
1k views
Monitoring VPN users on my network
1 votes

Do we take it that this OpenVPN connection is not set up by you/your company, and that the end users are connecting to their own OpenVPN server? If OpenVPN is using the standard ports you can ...

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2 answers
1 votes
2k views
Volume size doesn't match Disk size after gparted expansion
1 votes

I believe (G)parted only expands a limited selection of filesystems: FAT, ext2/3. It has probably successfully increased the size of the container (partition) but the NTFS is still only 15GB. If you ...

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2 answers
-1 votes
205 views
Clarification needed on GFS and shared file system
0 votes

If by GFS you are referring to GFS2 (Global File System as sold by Red Hat, as well as being free), then multiple servers can write to it at the same time. Note that this belongs to a class of ...

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2 answers
1 votes
2k views
Iptables FTP Client rules
0 votes

You might also need to make sure the connection tracking module for FTP is loaded, if it is not already (exactly what it is called will depend on your kernel version/distribution).

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5 answers
-2 votes
3k views
Unable to ping Redhat 5.6 instance on vmware esx 5.1
0 votes

If ping stops responding immediately upon the xen service starting, I would guess it is because xen is configuring the Ethernet interface as part of a bridge. Run /usr/sbin/brctl show to see if any ...

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4 answers
3 votes
772 views
YUM RHEL Update Server
0 votes

Your question appears to imply that while you have multiple RHEL servers, only one is registered with RHN. If this is because you do not have subscriptions for those servers your question amounts to "...

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2 answers
7 votes
12k views
HP SmartArray RAID controllers - Linux driver differences (cciss versus hpsa)
0 votes

http://cciss.sourceforge.net/#news is a good start. There is some overlap, with options to control behaviour of the drivers where there is overlap. I have not noticed any performance difference, but I ...

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2 answers
3 votes
5k views
Torque jobs does not enter "E" state (unless "qrun")
0 votes

Normally it would be the scheduler that decides when jobs are to be run, i.e. when there are sufficient resources, and tells the server to run the job. Are you running a scheduler? TORQUE includes a ...

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5 answers
4 votes
6k views
How do I shut down a Windows XP box remotely from a Linux box?
0 votes

A stupid evil hack would be to create a service listening on a port of your chosing that does nothing more than execute shutdown (perhaps psshutdown from the PsTools suite if XP home does not include ...

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3 answers
0 votes
436 views
Why does my Intel Tolapai network chip not transmit packets?
0 votes

does ethtool ethN report Link detected: yes? Which driver are you using? I recall that for some Intel NICs, there are two possible drivers (e1000 vs e1000e), one of which does not work (well) for ...

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6 answers
0 votes
89 views
Determine what all is present on a linux server (programs and applications)?
0 votes

For Red Hat-derived distributions: rpm -q httpd php mysql What distro are you running?

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9 answers
5 votes
9k views
Remote reinstall of linux over ssh
0 votes

To clarify your original question, by "small server", I'm guessing you don't mean server class hardware with additional features that let you simulate an attached CD-ROM or get remote console access ...

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5 answers
0 votes
11k views
HP iLO get XML data
0 votes

Again, see your earlier question, and my recent answer to it. I wonder if you could merge this question into your previous one...

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7 answers
3 votes
27k views
automatic get server temperature via HP iLO
0 votes

Which iLO? Original iLO, iLO2 or iLO3 (probably not given the date of the question)? If it's iLO2/3 they both support IPMI, either from the host OS or, to address your original intent over the network....

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4 answers
4 votes
6k views
can i run VMware and KVM on a single host
-1 votes

Your question lacks detail and thought. The amount of useful information you get out of a site like this will usually scale with the amount of work you put in to describing your problem. To answer ...

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