SUSE Linux Enterprise Server is the enterprise version of openSUSE.

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12
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4answers
8k views

How can I measure and prevent clock drift?

On several production platforms we have observed symptoms which appear to suggest that the time of day clock is periodically jumping forward or backward. The jumps are typically around 1 second, ...
7
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3answers
18k views

Persistent blockdev setra read ahead setting

I've got some SSDs mounted up on /dev/sda1 and /dev/sdb1 on a SLES 11 SP2 server, and I was able to tweak the read ahead setting with blockdev --setra: sudo blockdev --setra 4096 /dev/sda sudo ...
7
votes
3answers
17k views

What is the recommended way of checking running services?

I'm often exposed to various GNU/Linux systems including CentOS, SLES and Debian. I want to know: what is the recommended method of checking all running services across these systems? I am aware of ...
7
votes
1answer
790 views

Suse 11 vs. Suse 10 difference impacting terminal colors?

I have my dotfiles versioned on github (shameless fork of other people's fine work). At work, I have them on a central linux server (SuSE Enterprise Linux 10). I rsync them from a central management ...
6
votes
2answers
66k views

How to detect SLES version?

What patchlevel does this SLES machine has? 10.2 or 10.4? SERVER:~ # cat /etc/issue SUSE LINUX Enterprise Server 10.2 Kernel \r (\m), \l SERVER:~ # SERVER:~ # cat /etc/SuSE-release SUSE Linux ...
5
votes
1answer
7k views

“Found duplicate PV”

SERVER:~ # pvs Found duplicate PV Wb0b2UTCKtpUtSki0k2NnIB24qNj4CEP: using /dev/mapper/36005076304ffc2500000000000004903 not /dev/mapper/36005076304ffc2990000000000004903 PV ...
4
votes
2answers
9k views

How to make ldapsearch working on SLES over tls using certificate?

We need to connect our php script to LDAP over tls using a certificate. LDAP connection works nicely without tls. More details here http://stackoverflow.com/questions/15260252/how-to-use-multiple-tls-...
4
votes
1answer
21k views

How to modify ulimit for open files on SUSE Linux Enterprise Server 10.4 permanently?

SERVER:/etc # ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited pending signals (-i) 96069 ...
4
votes
1answer
4k views

I can't start nfs in SLES 11

I'm trying to start nfs service in my SLES. I have my /etc/exports like this: /var/share/testbed *(ro) When I run service nfs start, it says: Not starting NFS client services - no NFS found in /...
4
votes
3answers
2k views

rc_status always returns “failed”

One of our developers has a service that needs to be started on boot. This script needs to be fired: /app/bt/preview/apache-tomcat-5.5.27/bin/startup.sh Here is the startup script I'm working with,...
3
votes
2answers
10k views

How to install/upgrade svn on SLE?

My SUSE (SUSE Linux Enterprise Server 11 (x86_64)) got installed old svn. I want to upgrade it but if I download package for Packages for SLE 11 and try to install it via zypper install subversion-1.7....
3
votes
2answers
34 views

Can resource over-utilization actually cause users to be unable to SSH to Linux?

The night support guys where I work have a tendency to reboot machines citing the fact that they can't ssh in and figure out what's going on in the first place. It's pretty much against company ...
3
votes
1answer
6k views

What is resume= used for in my grub boot settings?

I've always noticed the resume=/dev/foo entry in /boot/grub/menu.lst, and that it corresponds to the swap partition, but I've never questioned its use. title SUSE Linux Enterprise Server 11 SP2 - 3....
3
votes
1answer
1k views

Proper management of ld.so.conf and shared libraries

I'm curious as to how other Linux admins manage /etc/ld.so.conf and in general, shared libraries across multiple Linux servers. We have about 30-40 Linux servers running SLES 11. Since they are ...
3
votes
1answer
2k views

How to install ruby-devel and python-devel in SuSE Enterprise?

I've been trying to install some software in SuSE Enterprise (SLES 11 SP 2 64 bits), and keep getting errors about missing dependencies. In the past, I could work around them (in an Ubuntu system) by ...
3
votes
2answers
147 views

sntp replacement for -P (prompt) argument

I'm maintaining some cronjobs on machines that are set to be patched to the service pack of SLES11sp4, it appears that the service pack is upgrading sntp from version 4.2.4p8 to 4.2.8p2 and somewhere ...
3
votes
1answer
150 views

Where can I find the repository that contains a required package?

I'm new to Linux. Now I just get started with SLES 11 installed on my company computer. I want to install google chrome, so I downloaded: 64 bit .rpm (For Fedora/openSUSE), but there's an error ...
3
votes
1answer
842 views

How to remove disk from RAID1 without knowing the /dev/XXX name?

BEFORE: SERVER:~ # mdadm --detail /dev/md5 /dev/md5: Version : 00.90.00 Creation Time : Fri Mar 18 14:53:33 2011 Raid Level : raid1 Array Size : 67103360 (63.99 GiB 68.71 GB) ...
3
votes
1answer
1k views

Linux disk I/O performance issue — what config options to look at?

We discovered an I/O related performance problem when using the default SLES11 SP2 kernel. Our same application on the same hardware had no issue with (the admittedly ancient SLES9 SP3). We had a ...
3
votes
0answers
191 views

Use eth0 and eth1 for different subnets and assigned host name to interface?

I have a machine running SELES 10 with dual NIC Both the NICs are on separate subnets. The server uses a DHCP. So when one interface, eth0, gets the IP from DHCP and registers with DNS and then the ...
3
votes
1answer
338 views

initrd or ramfs for SLES as /

i would like to boot a SLES and run it out of a ramdisk. I would like to setup machines so that they start PXE boot and as part of the PXE boot process they pull across an image that is the root ...
2
votes
3answers
1k views

compile software with older version of gcc and linux kernel

Distributor ID: SUSE LINUX Description: openSUSE 11.4 (x86_64) Release: 11.4 Codename: Celadon gcc (SUSE Linux) 4.5.1 Linux linux-14ay 2.6.37.6-0.20-desktop #1 SMP PREEMPT 2011-12-19 23:39:...
2
votes
2answers
2k views

Restore /etc/hosts on SuSE

I have lost my /etc/hosts file on SuSE Enterprise 11.3 64 bit. Is there any way to get the original file back?
2
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1answer
187 views

command in /etc/inittab is not working on SLES 11

My task is to start a process on startup if it was running before shutdown. To achieve this, I have added a command in /etc/init.d/halt.local to save the state of process in a file. In /etc/inittab, ...
2
votes
1answer
907 views

Error trying to build pango (1.34.1) and harfbuzz (0.9.18) from source

So I'm trying to build pango from source (in my home directory, as a dependency to something else I need). This is on a computing cluster running SLES 11. When compiling, I get the following error: ....
2
votes
1answer
2k views

pdsh command failed with connection refused

I'm able to remote login the target host with ssh. But when I execute a command through pdsh, it fails with connection refused. Both systems are sles11. I found a description of the error on this ...
2
votes
1answer
883 views

Bond slave link up is too slow

On one of my servers I set up a bond-device consisting of an onboard network-card and an PCIe network card. (eth1 and eth5) I set up the configugration according to man ifcfg-bonding - i.e. eth1 and ...
2
votes
1answer
199 views

Equivalent of nfsstat -m on older kernel

On my SLES 10, SLES 11, and CentOS 6 servers, I'm able to list information about each NFS mount via nfsstat -m, e.g.: /usr/local from nfssrv1:/vol/foo Flags: rw,relatime,vers=3,rsize=65536,wsize=...
2
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0answers
211 views

NFS share inside a NFS or Samba share cannot be accessed

I have this MCVE under SLES 11 SP2: 1) Server 10.10.50.199 has the directory /foo/. Inside /foo there is a directory bar/ which is used in /etc/fstab : 10.10.50.200:/nfs_folder /foo/bar 2) Server 10....
2
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0answers
70 views

mod_mono on SLES 12.1 fails to encrypt ASP.Net web.config

I am trying to migrate an ASP.Net (2.0) VB web app from a SLES 11 server to a new SLES 12 server. Unfortunately, mono is no longer supported by Novell / SUSE / NetIQ folk. This is my first time ...
2
votes
0answers
66 views

Why does my Linux server hang with “ps aux”

I have a server running scientific computation applications. It is SLES 11sp3. Here are some of my observations: I could login to the server with ssh. But for some reason I don't understand, when I ...
2
votes
0answers
478 views

Installing GCC on SLES 12

I'm having trouble installing gcc on a new SLES 12 box. The goal here is actually to get R Shiny running, but when I try to install any packages I get the below error: sudo su - -c "R -e \"install....
2
votes
1answer
315 views

Automounts: All mounting and will not umount on its own [closed]

I have a few SLES 11.2 servers. They do something really strange with automount. We have nearly 500 possible automounts our users and their codes may need, including automount entries for each user'...
2
votes
3answers
402 views

Why does a graphical install show my boot option, but a textual install not?

I have a system to install SLES 11 on, via a serial console. As this procedure is likely to be executed across multiple systems, I want to automate the whole process. As such, I first did a manual ...
2
votes
2answers
1k views

Why are new cronjobs ignored unless crond is restarted in SLES?

I added a new cronjob with a user (SUSE LINUX Enterprise Server 9.4): # su - XXX $ crontab -e and this is what I added: * * * * * echo `date` >> /home/XXX/a.txt but the a.txt isn't ...
1
vote
1answer
328 views

What components are missing comparing server version of linux distro to desktop version? Is it only the DE missing?

I'm new to Linux. I see in the Linux world, often a distro will have two versions, server and desktop: Ubuntu Server, Ubuntu Desktop. SUSE Linux Enterprise Server and Desktop. A lot of online ...
1
vote
2answers
221 views

odd output from df command on a SLES

I know I'm not very good at math...but check out this output: SERVER:~ # df -h /ORACLE/LOGS/b Filesystem Size Used Avail Use% Mounted on /dev/mapper/LOGSdatavg-LOGSb_lv 96G ...
1
vote
1answer
83 views

changes to domain group membership not showing for user in SLES 11 SP3

Joined server linux02 runing SUSE enterprise linux server service pack 3 to a Windows active directory domain example.com no problem. Users, like fred from the domain can login no problem via ssh ...
1
vote
1answer
413 views

Installing PCRE 8+ on SLES SP3

I need to install PCRE 8+ on a Suse Enterprise Linux SP3 box. The trouble is that the latest package available in the repo is 7.8. How would I go about attaining 8+? FYI, I need this to install ...
1
vote
2answers
3k views

How to give permissions to user (regarding an NFS share)

There are two machines: "A" and "B". OS is SLES 9.4. "A" is the NFS server, "B" is the NFS client. "A" has exported an FS to "B". "B" mounted the NFS share. On both machines I have root permission. ...
1
vote
2answers
43 views

How do I disable DVD drive auto-probing in SLES 11 SP2?

I'm preparing a SLES 11 SP2 VM for use in Azure. One of the steps they require is disabling auto-probing for DVD drives. How do I determine if auto-probing is on? In the SLES documentation (...
1
vote
2answers
5k views

Can't use yast to install software online — tries to mount a CD

I cannot use yast -i or zypper install in SLES 10; it wants me to insert a SLES 10 SP3 CD, but I don't have one. What should I do? localhost:~ # zypper install curl-devel Restoring system sources... ...
1
vote
1answer
289 views

Write to ext4 filesystem hang while lazyinit in background

I am running SUSE 12 on a node that has 6TB disks attached with EXT4 filesystem initialized. Lazyinit in the background takes atleast 24 hrs to complete. Write performance to the disk is significantly ...
1
vote
1answer
301 views

Is there a good way to poll in a real-time process which is kernel friendly?

I have an application which uses boost asio and I would like to use poll() to detect ready network events (packets) and process them as quickly as possible. Additionally, I would like to use ...
1
vote
1answer
2k views

SUSE Linux 12 - configuring IP alias

I want to setup an IP address alias on a network card. I created a file /etc/sysconfig/network/ifcfg-ens160 and its contents are: BOOTPROTO='static' STARTMODE='onboot' IPADDR='192.168.0.113' NETMASK='...
1
vote
1answer
3k views

SLES 10 - repositories?

Can somebody help with adding a repo for SuSE Linux Enteprise Edition 10 SP3? First - can't find any "official" repos. Found a few repos for openSUSE and few other - but every time I try them I get ...
1
vote
2answers
1k views

Adding RPM's to SLES installation DVD

For a custom installation, I need to add a few rpms from the SDK dvd that comes with the main SLES dvd, onto the main SLES installation dvd. This is because my superiors want 1 single dvd to install ...
1
vote
1answer
3k views

How do I know that a /dev/dm-XX device isn't used by anything on SLES 10.4 (64bit)?

I have a device that I can see in the output of fdisk -l: /dev/dm-XX (XX is a number.) How do I know that I can use this /dev/dm-XX to add it to a RAID1 array? How can I be 100% sure that nothing ...
1
vote
1answer
534 views

Load module from the boot menu

Is there a way to insert/load a module at the boot menu in Suse? I'm referring to the menu in the screenshot below (this isn't from my machine, just a similar screenshot I took from the web). I ...
1
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0answers
17 views

What the difference between -pool & -updates on SLES11-SPx

I recently downloaded the updates for SLES11-SP3. The directory lists the following: SLE11-SDK-SP3-Pool .repodata repodata rpm SLE11-SDK-SP3-Updates .old.repodata repodata rpm .mirror SLES11-...