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
112 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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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
287 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
44 views

Prevent rsync from deleting excluded directories

I'm using rsync through Ansible's synchronize-module with the following task definition: synchronize: src='{{ local_app_path }}/.' dest='{{ remote_app_path }}/' perms=no owner=yes ...
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1answer
200 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
67 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
65 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
521 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
202 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
112 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
415 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
192 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
53 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
266 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 ...
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1answer
520 views

How can we solve these errors for Nginx + PHP + FastCGI?

We're using Nginx + PHP + FastCGI for our web server and we just saw a bunch of timeout errors (see below) in the error log. We quickly restarted nginx and that fixed the problem - for now. However, ...
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1answer
495 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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243 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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98 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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0answers
97 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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0answers
241 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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14 views

Issue with port range of passive FTPS using VSFTPD

First of all, I am aware that there are many similar questions to this one out there, however the common solution to those problems is the source of my problem; therefore I am asking my own question. ...
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36 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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73 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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46 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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243 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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375 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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191 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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0answers
593 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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156 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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10 views

Apache2 and LD_PRELOAD libraries wrapping

I'm trying to load a custom library on an Apache2 web server. On Unix systems, I know it's possible to do it using the LD_PRELOAD variable. I've configured /etc/apache2/envvars file to preload my ...
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33 views

Apache and users write permission issues

On my web server I have two distinct folders, /home/dev/ and /home/prod/, each containing several websites. As you can guess, each directory is owned by the corresponding user, devand prod. The ...
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11 views

Error Sending £ symbol through telnet message

I use the following command to send SMS messages through SMS Adapters: telnet localhost ${PORT} <<-EOF helo x MAIL FROM: Test RCPT TO: 447999999999 DATA Test £1234 . ...
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0answers
12 views

Users migration from UNIX to NIS

I just set up a NIS server and I have 8 clients machines. Each of these machines was used by some users before setting up NIS. I want to migrate their account to the NIS server. The problem is that ...
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56 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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133 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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19 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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48 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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21 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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71 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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0answers
36 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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30 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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284 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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99 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
21 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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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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137 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 ...