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  • What is the best tool to aggregate traffic stats from multiple nginx servers?

    - by gekkz
    The setup: 2 or more nginx machines each machine has the same virtual hosts traffic is load balanced via DNS to each machine I need to figure out what are the best tools to use to get some traffic stats, mostly interested in amount of hits and total traffic in gigabytes. Obviously, the log information will come from nginx, formatted like this: log_format main '$remote_addr $host $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" "$http_user_agent" "$gzip_ratio"';

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  • How can I block access to public server IP for OpenSSH in Debian?

    - by VanDerSpar
    I got a Debian server with a public and a private IP in a DMZ. I need to be able to connect to it through SSH on our private side, and then block all access to the public address. Both /etc/hosts.deny and sshd_config seems to only let one block incoming IP addresses. What I really want is to disable SSH connections for the public IP. I've been trying iptables, but I haven't had luck with that neither. Any help is appreciated.

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  • Slow data transfer using SSH

    - by Floste
    The server is an ubuntu server 11.04 with sshd. SSH works fine for console programs. But data transfer is slow, which is very annoying when transferring large files. I tried two different client programs and changed the port, but the speed is always the same. I know the server can transfer data a lot faster over SSL, which afaik uses AES. I configured my SSH client to use AES, too, but no effect. Why is using SSH multiple times slower than SSL and is there a way to improve transfer speed of SSH?

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  • Running resize2fs on /

    - by user42363
    I'm trying to resize an ext4 filesystem on a Fedora 11 box. Using fsdisk and lvm, I was able to grow the partition and logical volume containing the filesystem. When I try to run resize2fs on the device containing the filesystem (/dev/sda2 in this case), I get: "Device or resource busy while trying to open /dev/sda2, Couldn't find valid filesystem superblock" I've tried this from a rescue disk that doesn't have the filesystem mounted, no joy. Maybe resize2fs doesn't know about ext4?

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  • permissions on upload folder not working

    - by Camran
    I have a php script which uploads images to a folder. I have these permissions on the upload folder: drwxrwxr-- 4 user user 4096 2010-06-02 16:20 temp_images Shouldn't these permissions be enough for files to be uploaded to the folder? But this doesn't work. It only works when I set the permissions to 777. "user" is added to the www-data group, still no luck. Any ideas why?

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  • Please provide how to setup using VMware, AD [closed]

    - by user552585
    In my organisation we have more than 100 pcs and high configured 3 IBM servers. Now the senario is 300 employees with diff programmers like .Net,java,php etc. these employees use by these systems only in diff shifts without stop their work. I want all applications required them on every system and they have perticular id, Pw to login and i have to secure the organisation data and userdata to tamper or any thing by other users. Please provide how to setup using VMware, AD with MicroSoft environment with fully secured manner. please give brief explanation. Please help me

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  • permanently mount multiple directories from different disks under root [on hold]

    - by piotrek
    I have SSD and HDD. Some directories like /var /srv /tmp should be on hdd while /boot /usr /lib on ssd. But do I have to create separate partition for every single directory? i want to have 2 or so partitions. one for each disk and distribute directories as needed. is it possible? and how? i've heard about symlinks, mount --bind, mhddfs but: symlinks are treated differently by tools like cp so i'm not sure if it's safe to have main system directories symlinked i have no idea how can I use mount --bind or mhddfs in fstab

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  • Puppetize everything or not?

    - by stderr
    Notice: there is a lot of theoretical questions. Recently I'm reading about Puppet (and similar systems), which - as I believe - can make my work easier, a lot. But I try - and unfortunately can't - to understand what all I can "puppetize". I can imagine "clouds" or HA clusters, where is the same config on more servers. But what about workstations? I have one pc (centos with kvm), one notebook (fedora) and personal server, can (or should) it be puppetized? What are (dis)advantages? Or in our company we have hundreds of servers (mainly with centos), but each of them is a little bit different. Can't decide if it's better to have a lot of configs on one place.. (Dis)advantages? I will be happy for all your opinions or links with this topic.

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  • Apache mod_proxy_ajp and tomcat7 (TomEE). Telnet 8009 from localhost works, but from other machine connection refused

    - by exabrial
    In my tomcat config, I have the following: <!-- Define an AJP 1.3 Connector on port 8009 --> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" /> Once I start tomcat, on that same box, I can telnet localhost 8009 and get a connection. However, on the load balancer, I cannot telnet to that port. I've disabled the firewalls on both boxes. I'm able to connect on port 8080. What gives???

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  • Wrap current session in a screen session

    - by NebyGemini
    I started an big operation, but I didn't start a screen session, So i can't disconnect without canceling the operation. Is there a way to inject screen so that the operation continues and sends its output to the screen session and i can safely disconnect my ssh session?

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  • Error : [0.8879153] kernel panic -not syncing VFS unable to mount fs unknow block (8.3)

    - by user43069
    i installed ubuntu using wubit inside the windows and started working on it then i got this error afer updating [0.8879153] kernel panic -not syncing VFS unable to mount fs unknow block (8.3) and i can't user rescue mode and it's give me another error no filesystem could mount root ..... i looked at grub folder and didn' find any file on disks/boot/grub/ so i tryed to user super grub to fix it but it didn' work and it keep giving me. boot/grub/stage1 not found i didn't edit anything from grub folder. any idea plz .

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  • Is it possible to log a user in a remote computer using ssh?

    - by El_Hoy
    I want to connect to a server via ssh and log in (remotely) a user in X11 (gdm). A little context: I need to install a wine application in 30 computers, but wine require X11, there is nobody loged there, so wine does not work properly. I want to remotely login in display=:0.0 a user so this user receive the window (it only start and close), there i need to ()neThere is no one logged on there. I need to start a graphical app there (wine installer) but I cannot because it needs a display with X11 (to open a wineconsole). Resumen: Is it posible to log a user remotely on X11

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  • Is \d equal to [0-9] in sed?

    - by user3872279
    7 00:00:30,008 --> 00:00:30,066 by line 8 00:00:31,038 --> 00:00:34,050 or later in the nineteen seventies it was usually a 9 00:00:34,005 --> 00:00:38,634^M video consul but the council was not capable of displaying arbitrate graphics 10 The above lines is in a file named 2.txt. I wanna the lines which doesn't start with number. In practice, sed -i '/^[0-9]+/d' 2.txt works good. However, sed -i '/^\d+/d' 2.txt doesnot. The \d shouldn't be equal to [0-9] in regex?

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  • Incorrect units in iotop output

    - by brodie
    iotop is behaving strangely on a opensuse 11.2 server. It all of a sudden started reporting the output in the wrong units. Kilobytes per second are now Terabytes a second, Gigabytes now Petabytes. This server is also having stability issues, so I'm curious as to if the system is reporting things wrong to iotop is related to other issues. Any one else see similar behaviour?

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