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Apr
13
awarded  Yearling
Nov
19
answered yum remove *wildcard* except some packages that also matched the wildcard?
Nov
11
comment Why should we purchase a dedicated load balancer when the firewall can do it?
Why do you buy a screwdriver when a hammer does the job as well? Because for srews a screwdriver is better suited. Firewalls and load balancers have very unique requirements and the advantage of a hardware appliance is that they can contain specialized hardware for the specifc task. A load balancer may need to be able to do SSL termination and/or re-encryption. For that some brands have specialized CPU's. Whether you need that or not is something you have to decide. Another thing to consider is that if no other customer uses that functionality of the FW you risk problems getting support.
Oct
30
answered how to delete old files in ftp with bash
Oct
30
answered wget only works when tcpdump is listening
Oct
27
awarded  Necromancer
Oct
21
awarded  Announcer
Oct
21
comment Server got hacked by some Crypto Lockers
One additional suggestion: if you succeed to restore your files I would still recommend backing up the files to an external drive or CD/DVD and completely reinstall the system before selectively restoring the files you have first checked (e.g. virus-scan) to avoid re-introducing the malware.
Oct
21
answered Server got hacked by some Crypto Lockers
Oct
21
answered Server got hacked by some Crypto Lockers
Oct
21
comment Server got hacked by some Crypto Lockers
Can you add more details please? This is the first time I see Cryptolocker mentioned on Linux. I understand you paid the ransom? If so what file did you receive? Did it come with any instructions? According to a BBC news article victims of Cryptolocker could get their files restored without paying the ransom at decryptcryptolocker.com but at the moment that site's certificate has expired so I don know if it is still operational.
Oct
17
comment Changing Servers - Redirect to new IP = No Downtime?
Is this website used only by humans or are there applications that might connect to it? E.g. consume web services? If that is the case you may have downtime nonetheless. Java caches DNS results and may not respect the new DNS entry until they are restarted. Unless you can keep the forwarding online for a long time. Also if you use encryption redirecting wil involve some additional steps.
Oct
17
comment How does yum with Red Hat Network Subscription work inside the rhel Docker images?
@michael you schould post your comment as an answer imho.
Oct
15
comment Redhat to Centos Restore
And how do you perform the restore? RHEL and Centos should be binary compatible but if you dump the contents of e.g. /bin over the existing content there is no telling what you would get. Do you restore /boot this way too? And if so do you recreate the grub config? It is not clear to me what you want to achieve with this kind of backup procedure. Most files in /bin etc. are part of rpm packages so I would not try to restore them this way.
Oct
14
comment SSSD process won't die
Not sure if this is still relevant but the reason kill -9 won work is because the processes are in "uninterruptible sleep" (see ps listing). So to stop the processes you need to find out what is blocking them. Things to check: is SELinux on? If yes: any AVC denials? (running restorecon migt help). Are there any remote file systems involved? Other file system issues that might prevent SSSD reading/writing? Network issues between this host and the directory server? (routing, firewall) Finally - assuming this is a Red Hat system - I recommend opening a support case if you haven't already.
Apr
13
awarded  Yearling
Apr
13
awarded  Yearling
Apr
13
awarded  Yearling
Nov
30
comment Install WAS 7.0 on RHEL 6
and do you have a graphical environment set up or are you using X forwarding? Does xclock or any other graphical tool work? Is there anything in the logs listed in my answer?
Nov
29
answered Install WAS 7.0 on RHEL 6