Monday , May 27 2019

Linux

Not stopping iscsid : iscsi sessions still active

Issue ——- When stopping all services on shutdown there is a warning : “Not stopping iscsid : iscsi sessions still active” shutdown hangs or delays when iscsid reports sessions are still active If attempting to manually log out of all iSCSI sessions using the –logoutall=all or -U all it does …

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Linux Security: Mount /tmp With nodev, nosuid, and noexec Options

How do I mount /tmp with nodev, nosuid, and noexec options to increase the security of my Linux based web server? How can I add nodev, nosuid, and noexec options to /dev/shm under Linux operating systems? Temporary storage directories such as /tmp, /var/tmp and /dev/shm provide storage space for malicious …

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Data protector linux cluster trick – recover corrupted node

Data protector linux cluster trick – recover corrupted node Scenario: Assume that CM has 2 nodes and running well with 2 nodes. Suddenly 1 node has corrupted and this need to be fixed to join cluster and operate again. Work around: – Make sure alive node running well with: telnet …

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Permission denied publickey gssapi-keyex gssapi with mic

Permission denied publickey gssapi-keyex gssapi with mic Detail error: [root@oralx01 ~]# ssh localhost Permission denied (publickey,gssapi-keyex,gssapi-with-mic). When you try to ssh to Linux server, you got above error. Workaround: Make sure SSH configuration was properly, which set authentication properly for user. Resolution: # Authentication: #LoginGraceTime 2m PermitRootLogin no #StrictModes yes …

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How to install Data Protector software on Ubuntu server

How to install Data Protector software on Ubuntu server 1. Install pre requirements: apt-get install rpm xinetd ksh ncompress 2. Turn off firewall on Ubuntu or make rule to it accept and can run port 5555 (Linux    administrator task) Installation from extracted source: root@ubuntu:/DP/DP8.1# ll total 32 drwxr-sr-x 6 …

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