Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs.

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How do you configure X11 forwarding over SSH on AIX?

Here is what I've tried. I've edited /etc/ssh/sshd_config on the remote AIX system X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost yes as well as set $DISPLAY DISPLAY=localhost:10.0 export ...
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1answer
1k views

Linux- Permission denied?

I'm installing Neo4j server as a linux service, but when I install it, I get the following message: /sbin/insserv: Permission denied What is this? What should I do? I'm running everything with ...
2
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1answer
281 views

Sendmail does not receive e-mails from outside

have a VPS running CentOs 5.1 64bit with ISPManager panel. dovecot-1.0.7-7.el5 is used in conjunction with sendmail. I can send e-mails to outside (sendmail works), can send and receive e-mails ...
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1answer
78 views

Ubuntu Server 14.04LTS Swappiness for server with 16GB memory

(don't worry I'm not asking what my setting should be, asking for the theory behind some conflicting advice I've read) My application is one that is lightweight and not under much load, but needs to ...
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1answer
61 views

How to change protected config files via web/php interface?

I'm looking for way to modify configuration file that resides below /etc directory via web (in particular case PHP) interface. While it's not a problem to read (if you set up file permissions ...
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1answer
61 views

cp/rsync command with destination as symlink to a directory

I am working on a cPanel backup solution at the moment. We are now informed about this exploit. Exploit : Full ROOT ACCESS to server 1.) create malicious file from, normal user account: mkdir root ...
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1answer
438 views

List environment variables of a running process on AIX without character limit

Today I was trying to debug an issue where a process was not picking up the correct environmental variable. It took us hours before we realized that it wasn't picking up the correct variable. I tried ...
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1answer
190 views

What's the best way to enforce a maximum size on a file directory?

I'd like to create directory with a maximum size of, let's say 500MB. The directory may contain any number and depth of subdirectories. When the maximum size limit of the directory is surpassed, I ...
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1answer
108 views

RDP forwarding on HP/UX machine

I have a setup that consists of a HPUX machine that acts as a router and has a set of windows machines sitting behind it. I have given the HPUX box 3 external IP address on our main network so we can ...
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1answer
380 views

NIS: which mechanism hides shadow.byname for unpriviledged users?

On some Linux box (SLES 11.1) which is a NIS client I can do as root: ypcat shadow.byname and get output, i.e. some lines with the encrypted passwords, amongst other information. On the same Linux ...
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1answer
191 views

Client side certificates in client browsers with unix server for management

We are currently running Unix dedicated servers for everything (Web cluster, database, FTP, batch, ...) except for a Microsoft Active Directory Certificate Services. The sole purpose of this Windows ...
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1answer
51 views

logrotate : Contents are missing

I'm using logrotate to rotate my log file periodically (in my case every 1 hour checking for log file size and rotate if needed using cron). I'm facing a serious issue in it. The following files ...
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1answer
260 views

How to issue an rsh command in the background?

How to issue an rsh command to run in the background? Example: within a batch file i call rsh 10.1.1.2 -lroot /etc/rtcinst/myscript.ksh which runs on a remote unix machine. This script takes a ...
1
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1answer
442 views

How do I install Rake (Ruby on Rails)?

I want to install Ruby on Rails (I'm running a FreeBSD but don't want to use Ports for RoR) so this is a more generic unix/RoR question. Simply what is the best way to install Rake. ...
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1answer
153 views

Understanding Unix Permissions (w/ ACL)

I am trying to set permissions on my server properly. Currently I have a number of directories and files chmod'd at 0777 -- but I am not comfortable with it being this way. So at the advice of a ...
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1answer
20 views

Exim need to send mail off server

Never needed to set up a mail server before. I've got exim up and running perfectly fine. When I send an email using command line to my.email@gmail.com it works wonderfully, arrives from ...
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1answer
18 views

how to configuring vagrant to allow some specific IP to be available on a windows machine?

I have Vagrant installed on my windows machine. I am using putty to ssh to the ubuntu machine. Lets say that I need some specific service (let's say a graphite for stats) which should be reached with ...
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212 views

Solaris 9: Degraded mirror unmanageable with raidctl after drive replacement

We have a pair of Sunfire v20z's (WITH LSI MPT raid) that have each had one drive in their mirrors die. bash-2.05# cat /etc/release Solaris 9 4/04 s9x_u6wos_08a x86 ...
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96 views

licence file for extra logins on ancient Unix (CLIX) system

I'm helping to sort out an ancient Intergraph 6800 machine at work, running CLIX, a proprietary Unix. Binning the system is not an option. It is a certified safety-critical system that would cost ...
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91 views

Is there a way to catch system broadcast messages

Is there a way to catch system broadcast messages (like those which are send to all tty users to inform of a shutdown) and send them via e-mail to a user?
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235 views

Umlaut encoding: tar on Mac Lion

I have a tar archive created on an old Unixware machine using ISO8859-1 encoding. When I try to extract it under Macosx Lion, I experience a bit of weirdness with German umlauts. For instance: I open ...
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35 views

Redhat quitting process never works always have to kill it

I am working on a RedHat server creating a unicorn process. I have two sets of these processes being created. I am able to QUIT one of the process fine and do so over and over again create it and QUIT ...
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67 views

Mac OS 10.6.8 Firewall Blocking Wiki for ONE User

This is a very bizarre issue that I hope someone can help with. We're running 10.6.8 server to host our internal wiki. We had the firewall enabled on that machine without any issues. Last week one ...
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44 views

Is there a way for a user to temporarily remove its own group membership within a script?

I'm writing a script which will be used to "detect" whether a generic, no-frills, user account has access to certain files. Basically a user which only has membership in the "staff" group or ...
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217 views

rsyslog logging same data to multiple files

I'm new to configuring rsyslog for centralized logging and was wondering if one of you experts could help me with the following problem. I am trying to store logs for each remote host to a per host ...
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41 views

Apache, php, maven and me—pemissions…

I have setup a local Apache2, with PHP and mysql. I wrote a maven build script to deploy my page on that local server. All that is working fine except for one thing: When I instruct maven to clean up ...
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103 views

In linux and solaris, what is the UUID based off of?

If you run dmidecode|grep UUID you are given a "globally unique string of characters" which can be used for licensing purposes. In linux, the format is usually something like this: ...
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365 views

Error sh: line 9: 19705: Memory fault (coredump) in case of OpenSSH installation

I downloaded openssh-6.1.p1/tar.gz with http://mirror.corbina.net/pub/OpenBSD/OpenSSH/portable/. I made at first ./configure, then make which, it seems, fulfilled without errors (Nexenta Illumos ...
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177 views

Limiting memory usage and mimimizing swap thrashing on Unix / Linux

I have a few machines that I machine that I use for running large numbers of jobs where I try to limit the number of jobs so as not to exceed the available RAM of the machine. Occasionally I ...
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579 views

MySQL crashes when connecting from localhost with tcp (UNIX sockets work)

I have Ubuntu 12.04 running MySQL server 5.5.24. I can connect with mysql --user root -p. status shows me : ... Connection: Localhost via UNIX socket ... When I try to connect with mysql --host ...
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1k views

Pure-FTP login error

I've installed Pure-FTPd and am trying to get virtual users to work with it. Unix users are OK and are able to transfer files but my virtual user that I created can't log in. I'm running Linux Ubuntu ...
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151 views

SNMP OID for CPU and Mem usage

does anybody know the OIDs for CPU and Mem usage for this machine: ReliantUNIX-N release:5.45 version:A3001 machine:RM400 The Standard OIDs didn't work it wasn't possible to figure out with snmpwalk ...
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50 views

Working of trashcan utility in tru64 Unix server.. or any other utility?

I used this mktrashcan command mktrashcan deleteMe1 trashcan/ And then i Deleted all the contents inside deleteMe1 directory(rm -rf*).. But then what happend is only the two text files which are ...
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38 views

How to lock a user into a directory (not SSH)

I have regular users who are not SSH'd into a machine but are accessing the machine directly. How can I lock them into their home directory or any directory? At the moment they can successfully run rm ...
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29 views

WSAECONNREFUSED SAP Gui unable to connect on SAP server on hp ux - inetd.conf file reference

I have a sap server installed on HP-UX vm, up and running. when I try to connect to the server from SAP client GUI installed on windows machine I get the following error --------------------------- ...
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8 views

Custom schema for OpenLDAP 2.4

I am new to OpenLDAP administration. My aim is to learn how to create custom schemas, and customize "my" directory server this way. I tried to add one optional attribute - ipPhone. Made a schema ...
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37 views

no record of login thru phpseclib

I am having a strange problem. I am using phpseclib to communicate with one of our server server - 10.0.0.2 my pc client - 10.0.0.1 I am accessing it via 10.0.0.1 when i hit "last -n 10" i cannot ...
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19 views

w Reports A Process of A Deleted User

the w command reports the following: adm1@prdsvr:/home/adm1> w 10:18AM up 13 days, 15:04, 6 users, load average: 0.00, 0.00, 0.01 User tty login@ idle JCPU PCPU ...
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56 views

Setting Samba passwords using Chef without storing plain text passwords in data bags

We have a server that is configured using Chef. Currently, the way that chef manages the passwords is by simply copying down the samba tdb databases and updating the shadow hashes of each user. ...
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29 views

Collectd types.db save unix epoch time

I am trying to save unix epoch time to collectd and get it out with command: collectctl getval servername/stime/execstime The output I get is showed like this: value=9.998742e-01 The type I am ...
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26 views

Tru64 UNIX Does Not Respond

We had our old Tru64 UNIX system on an AlphaServer 400 233 crash today with I/O errors. From what I've read and the error outputs it appears that the drive containing the /usr partition is toast, and ...
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234 views

Unexpected EOF write error

We have a Sun Solaris 10 server that is failing to backup using tar to write to tape. tar cEf /dev/rmt/0cn . The complete error is tar: write error: unexpected EOF tar error code 2 The ...
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81 views

*NIX devices getting Permission Denied errors after downloading ~4/5MB of data on FreeNAS CIFS share

I have my FreeNAS (FreeNAS-9.2.0-RELEASE-x64 (ab098f4)) which is set to rwx for my FreeNAS user and can be anonymously accessed through my network. When copying stuff from my windows host I get no ...
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0answers
20 views

Process identifier mask in z/OS

I've noticed a curious pattern to process identifier numbers on the z/OS system I'm working on (uname reports it as OS/390), they're either 1-4 digits long or 8 digits long but never in between. The ...
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126 views

Samba suddenly not working- The specified network name is no longer available

I have a Samba server and a windows server that access a share on the linux samba server. For some reason, this single server has stopped being able to access the samba server. When you access the ...
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135 views

Write failed: Broken pipe even if I use ServerAliveInterval?

This is my ~/.ssh/config file - Host 10.2.1.1 ServerAliveInterval 120 ProxyCommand ssh 10.1.1.1 nc -w1 10.2.1.1 22 I've configured it so that I can bypass the jump server each time I need to ssh ...
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35 views

web server apache installing and modify interfaces on which server is listen

I have to install a web server this way every user on the system can hosts a public site of his. The web server is Apache but before I continue I need to have installed the package with version ...
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0answers
39 views

Balancing server bandwith

I am working on a file uploading website. It will be run on dedicated server with 1GBPS connection. I wanna offer visitors max download speed possible at the current moment. So lets say server can ...
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134 views

Custom certificate/key pair does not work on OpenVPN clients

I have setup very basic OpenVPN network on Windows Server 2008. My clients are IP Cameras having Unix OS and built-in feature of openVPN connectivity. Initially I used a common client certificate/key ...
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408 views

Compile php 5.3 ldap extension

So trying to follow the very un-descriptive guide at my webhost for compiling a new php extension: **Compiling PHP 5.3 extensions You can also compile and load your own extensions. Here's how:** ...