Radu, thank you for helping me with this problem! My beloved power distribution company had always have problems. It is common thing to have a power outage up to half an hour every few weeks. Lately however, the problems increased in rate and gravity. I don’t know exactly what happened last time, but there were 2 … Continue reading mdadm refuses to re-add failed member
The MegaCli64 command has a lot of command line switches and the syntax is also cryptic. If you have identified a failed, or failing disk, it is possible to replace it using the MegaCli utility. The following commands I found useful when trying to physically identify a failed disk and replace it. IMPORTANT NOTE: Make sure the array is … Continue reading How to replace an LSI raid disk with MegaCli
My storage is acting weird today and I’m trying to fix it with this command: [codesyntax lang=”bash”] fsck.ext4 -vcDfty -C 0 /dev/vg0/lv0 [/codesyntax] And the result was: /dev/vg0/lv0: ***** FILE SYSTEM WAS MODIFIED ***** 6329 inodes used (0.01%, out of 107380736) 44 non-contiguous files (0.7%) 4 non-contiguous directories (0.1%) # of inodes with ind/dind/tind blocks: … Continue reading Check and mark badblocks on ext4 partitions
At some point I counted my DROP rules in my firewall and the result was kinda frightening. A lot of subnets and even more IPs… What was really annoying was that there were a lot of IP addresses which belonged to an already blocked subnet, so I needed a script to check this for me. … Continue reading Check if an IP is in a subnet
I won’t bore you with the details, so let’s just say that for some reason I don’t have the owncloud admin password anymore. I have spend lots of time on owncloud forum and found few more solution. In my point of view the below one is very simple and effective. Get the passwordsalt [codesyntax lang=”bash”] … Continue reading Owncloud: How to reset users’ password
Some context might be useful. We have an openldap instance to manage users. We also have phpLDAPadmin, but that’s not the point. The point is that I want to add/edit an user from command line. Adding a user it not a problem. [codesyntax lang=”bash”] ldapadduser john.doe users Warning : using command-line passwords, ldapscripts may not be … Continue reading ldappasswd and “ldap_sasl_interactive_bind_s: Invalid credentials (49)” error message
Recently we bought a FortiGate-200D VPN box. I have more good things than bad things to say about this device. Long story short. I had to remove some users and because of some voodoo type of problem I couldn’t do it from UI (I will contact their support that’s for sure), so I had to … Continue reading FortiGate-200D VPN users and groups operations