Questions tagged [sles]

SUSE Linux Enterprise Server is the enterprise version of openSUSE.

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How to interpret the output of the “who” cmd? - wrong date, non-existing user

On a SLES11, I can see the following output: $ who | grep -i FOOBARUSER FOOBARUSER ::ffff:127.0.0.1:3 Mar 2 09:52 (::ffff:127.0.0.1::ffff:127.0.0.1:3) FOOBARUSER ::ffff:127.0.0.1:3 Mar 2 09:52 (:...
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34 views

sles12 - Why are core dumps not being generated for systemd services?

There is an issue that I am seeing on a sles12 env with creation of core dumps for system services (like the below java app). Need some help in understanding sles12 core dump creation process. My ...
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160 views

gcc: readline/libreadline.a: No such file or directory gcc: readline/libhistory.a: No such file or directory

I am trying to install python readline 6.2.4.1 package on SLES 11 SP3 but I am getting the following error: gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -...
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34 views

“qemu-img”: overwriting a running OS?

Is it possible that I would issue a: qemu-img convert -f qcow2 -O raw sles12_3_custom.qcow2 /dev/sda while the original SLES11 is running? So I would overwrite a SLES11 OS, while it is running (...
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94 views

Pacemaker: stopping pacemaker doesn't always move resources to other node

I have created a 2 node cluster on sles12. Following is the configuration - msnode1:~ # crm --version crm 3.0.0 msnode1:~ # corosync -v Corosync Cluster Engine, version '2.3.6' ...
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10 views

Is there a configuration for SLES failover cluster?

I have two nodes configured as cluster and I am currently trying to test the failover but I was wondering if there would be a configuration file which could display the failover settings.
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Currently I have two node cluster (SLES as HANA DB). I would like to check in which condition a failover will be triggered?

Below are the conditions. We could not test these because these nodes are already in production. Replication between the nodes fail. Replication is working but network link is down with no bonding. ...
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How to automate the selection in zypper at a downgrade?

When we are doing a: zypper rm -y audit; zypper in audit-2.3.6-4.3.1.x86_64 zypper shows several choices, we need the 1): 1: downgrade of libaudit1-2.8.1-8.3.1.x86_64 to libaudit1-2.3.6-4.3.1....
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106 views

How to permanently configure the CPU performance setting on SLES?

We are doing a: vi /etc/systemd/system/cpupower.service [Unit] Description=CPU powersave [Service] Type=oneshot ExecStart=/usr/bin/cpupower idle-set -D 0 ExecStart=/usr/bin/cpupower frequency-set -...
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How to have synchronized samba passwords with local linux accounts where linux account are the leading system/authority?

How to have synchronized samba passwords with local Linux accounts where Linux accounts are the leading system/authority? This seems to be a surprisingly complex request/requirement. Since I already ...
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76 views

How to verify which is primary node in a HANA DB cluster operating on SLES 12?

Currently I have two HANA DB servers in a cluster and replication is not running. Upon checking from SUSE Hawk, node 2 is acting as primary node and node 1 is available. How do I confirm that node 2 ...
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587 views

systemctl cannot restart sshd

Strange thing happens: via systemctl I cannot start SSHD: SERVER:~ # systemctl status sshd ● sshd.service - OpenSSH Daemon Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled; vendor ...
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77 views

How to determine which modules are responsible for spectre_v2?

SERVER:~ # cat /sys/devices/system/cpu/vulnerabilities/spectre_v2 Mitigation: Full generic retpoline, IBPB, STIBP, RSB filling - vulnerable module loaded SERVER:~ # The question: But how to detect, ...
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45 views

Convert / and /boot from ext3 to btrfs

Is it possible to convert / and /boot file system from ext3 to btrfs? I have not experienced converting previously but I seen that filesystem from ext3 needs to be unmounted. Filesystem ...
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21 views

/var/log/warn and messages get written full with io/hpmud/musb.c 997: invalid bulk out endpoint [SLES11]

A couple of month ago I installed a HP LaserJet P3015 and some days ago even tho the printer worked it flooded my /var/log/warn and /var/log/messages files with the same message over and over again ...
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68 views

What are the temporary files that rsync uses while continuing a breaked copy?

On "source side" I am running a: rsync -azP file.txt username@target:/root/ that I had to break once (CTRL+C), but then, issued the same command, so rsync is continuing, where it left (afaik). On "...
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319 views

How to replace faulty disk in software raid using lvm

one of the SuSE 12 LinuxServers has reported disk failure. Fortunately the Database Server has Software Raid hence the system is still up and running. But as recommended, we would like to replace the ...
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SLES12.2 and wicked - how to run script after an interface is up?

After an interface getting up by wicked, How can I run a script? I tried an: $ echo 'echo "testiing `date`" |logger' > /etc/sysconfig/network/if-up.d/bond0; chmod +x /etc/sysconfig/network/if-up....
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110 views

XFS, GlusterFS v5.5 and the Year-2038 problem

I tried out default retention periods e.g. to set the Retention date to 2071. When I did the WORMing, everything seems to be OK. From FUSE and also at Brick-Level, the retention was set to 2071 on all ...
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How to permanently change interface metrics if using DHCP on SLES 12?

At: Changing the metric of an interface permanently I can see there is a solution, that when if geting IPs via DHCP, you can set metrics per interface, so a given one could come up later. But for ...
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63 views

XEN guest crashes when downloading with wget

There is a SLES 11.4 XEN HV. There is a SLES 12.2 guest on it. The guest is stable, only when we download something from the internet, the guest is getting crashed! I think there is enough free ...
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174 views

SLES 12.4| systemd-coredump[<PID>]: Failed to parse resource limit: <daemon_name>

I am using SLES 12.4 VM where I have a custom daemon dumping core frequently as I see from /var/log/messages and coredumpctl. But I never see a core file in /var/lib/systemd/coredump/ or in any other ...
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104 views

Removing eth0 from bond0 fixes Link detected no/yes issue, but why?

On a SLES12 with 4 physical NIC, having them in a bond0. eth0 shows "Link detected: no". But if I remove eth0 from the bond0 and do an "ifup eth0", it will show "Link detected: yes" and everything ...
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46 views

How to make the “mlnx_tune -p …” settings permanent?

If we say, we need to set the: mlnx_tune -p IP_FORWARDING_MULTI_STREAM_PACKET_RATE mlnx_tune -p IP_FORWARDING_SINGLE_STREAM_SINGLE_PORT tuning options, Q: how could we make it permanent on a SLES12?...
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178 views

How do I create a persistent tunnel device in sles15 (with or without wicked xml config)

I'm trying to simplify some of my configs for sles15, pushing out tunnel configs to my machines via ansible. Currently whenever I configure a tunnel, I do it on the fly using ssh from the machine ...
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242 views

SLES 11 SP4 'Resource temporarily unavailable' after upgrade from SP3

After upgrade from SLES 11 sp3 to sp4 I've met the problem while creating threads. Message I got was 'Resource temporarily unavailable'. Is it possible that upgrade changed limits somehow or maybe ...
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11 views

After SLES Migration LDAP does not start with TLS error

We had to migrate an existing physical Server running SLES to a virtual machine running on ESXi 6.5. The migration was done with VMware vCenter Converter. All the data was copied without problems - ...
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85 views

“LVM failed to initialize library context” - SLES 12.3 after reboot lost some of its PVs

After a reboot, a SLES 12.3 box doesn't recognizes a few disks (that are actually behind HW raid). What could the issue be? If I "head /dev/sdb | strings | head" the problematic disks, I can see ...
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717 views

Why does docker-ce-3:18.09 installation on SLES 12 throw “systemd-units needed” message?

My goal is to install Docker 18.09 on SUSE Linux Enterprise Server 12 (SLES 12 SP3). I can successfully download and install docker version 17.09.1_ce-98.18.1 using zypper from repositories available ...
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29 views

Open-iSCSI Target IQN Naming Case

I'm using LRBD to configure iSCSI targets from a Ceph cluster, LRBD uses Open-iSCSI/targetcli to configure the targets. When I use an uppercase letter in the unique part of the iqn (after the colon),...
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1k views

Sending Alert Email on Linux Server Shutdown or Reboot

I have SLES 12 SP1 Servers in my company. I have done 2 seperate configurations to alert me whenever the server undergoes a restart, to be more explicit, an email at the time of server shuts down and ...
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432 views

kdump: kexec_file_load failed: Cannot assign requested address

Issue: SERVER:~ # systemctl start kdump.service Job for kdump.service failed because the control process exited with error code. See "systemctl status kdump.service" and "journalctl -xe" for details....
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262 views

How to set the cpu frequency to the max on SLES12?

I tried: cpupower frequency-set -g performance But still, the frequency is only at 1200 MHz. It only goes up if I put a load on the machine, but it should be running at always 100% cpu frequency. ...
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246 views

Missing output for LVM commands [closed]

On a SLES12.2 machine, we can see: SERVER:~ # lvs SERVER:~ # vgs SERVER:~ # pvs SERVER:~ # echo $? 0 SERVER:~ # that the usual LVM commands doesn't produce output. How could this be? Server booted ...
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What to modify if I dd sda1 to another machine? [duplicate]

There are 2 servers, they were application level clusters. One of the servers / got corrupted, see: / got corrupted and showing as ext2 The idea is the next: I would dd the sda1 from the good ...
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45 views

/ got corrupted and showing as ext2

There is a SLES11.4 server that got grub error 15, loading at stage 1.5. Ok, no info on what happened to it. Ok, I booted the SLES11 DVD in rescue, starts getting exciting :) With lsblk I can see ...
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62 views

Update $PATH variable that survives updates?

We can put a 3rd party apps new global PATH in /etc/profile, appending to the original $PATH, ok. But.. I can see that the /etc/profile file is provided by a package: aaa_base. What would happen if ...
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505 views

What does “Data and ISV Applications” and “Operating system” mean in SLES 12 roles during install?

We are installing SLES12, via GUI installer and wondering, what is behind the ROLE, when creating ex.: logical volumes: Operating system Data and ISV Applications We can see that maybe "/" should ...
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1answer
693 views

Cannot create NFS on a tmpfs drive

OS: SLES 12.3 Running these commands: mkdir /foo/ramdisk mount -t tmpfs -o size=100m tmpfs /foo/ramdisk Creating a NFS on /foo/ramdisk produces this result when I run showmount -e <IP>: ...
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69 views

How to do port address translation to connect to a reverse port forward locally

I'm running 4 splunk indexers and I have to connect to it on port 9997. I have no direct line of sight or any way of routing to these splunk servers other than reverse ssh portforwards which I can ...
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1answer
93 views

Zypper: Check last “zypper up” command time

There is a script that checks whether packages up-to-date or not via a zypper up. In this situation, team "A" creates the servers: they do zypper up, ok. Another team validates the servers: they ...
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1answer
718 views

Debug kernel panic - Watchdog detected hard LOCKUP on cpu 9?

on a freshly reinstalled SLES 11.4 we see this dmesg from /var/crash: <7>[ 48.600847] storage: no IPv6 routers present <6>[ 63.725477] BIOS EDD facility v0.16 2004-Jun-25, 1 devices ...
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1answer
1k views

Export an NFS mount via NFS [duplicate]

I have a server "A" that has an NFS mount /FOO. I setup an NFS server on server "A" to export the NFS mount /FOO. I have other server: "B". But I cannot mount the /FOO from server "A" - probably ...
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1answer
2k views

VNC seems to break CLIPBOARD and PRIMARY

I'm using VNC Viewer 5.3.2 (r19179) x64 on a Windows 10 machine to connect to a VNC Server (Virtual Mode) 5.3.2 (r19476) x64 running on SUSE Linux Enterprise Server 11. My issue is concerning copy and ...
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344 views

When will S99 launch if it isn't in a normal form?

If I do a: echo "foobar" > /etc/init.d/foobar chmod 744 /etc/init.d/foobar ln -s /etc/init.d/foobar /etc/rc.d/rc3.d/S99foobar on a SLES 11, then when will the "foobar" command launch during boot?...
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42 views

How to reach an IP in a VLAN when there is no interface in that VLAN on my server? [closed]

We have a VLAN_ID that is not in the /etc/sysconfig/networking/ifcfg-* files. We need to reach an IP from this VLAN. How can we reach this VLAN if there is no interface on the server with this ...
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264 views

Can git be installed locally (including its dependencies)

I've developed a bash script which needs a specific version of git (2.11.1). Each developer in my team has his/her own virtual machine on the same remote physic server. My colleagues need that script,...
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64 views

gstack not scheduled

I have a big, long running task on a SLES 12 server. I just tried using gstack on it, but the gstack processes don't seem to be getting any CPU - nothing on the screen after over 20 minutes. The ...
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1answer
670 views

zypper exit code 106 - how to fix? [closed]

On a SLES11.4 server wanted to install a package: SLES11SERVER:~ # zypper in -f telnet Retrieving repository 'foobar_common' metadata [\] File 'repomd.xml' from repository 'foobar_common' is ...
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1answer
1k views

Fixing recursive fault but reboot is needed on x3850 x6 SLES12 [closed]

We got a few new machines: x3850 x6. All could pxe boot fine, except one machine, that gives the following kernel panic, looks like an exciting issue: We cannot even scroll up after the kernel ...