Posts by re89j
GNU Screen and Tmux allow you to run command-line programs on a server, and 'disconnect' from them but let them keep running remotely. This is great if your primary computer is a laptop and it has...
I had a nightly cronjob start throwing errors about "inappropriate permissions..." rsync: [generator] failed to set permissions on "/data2/home/redacted/alsoredacted/opt/dell/srvadmin/var/log/open...
I stopped using a former Q&A Network of Sites because of their poor political choices. Before I left, I noticed a number of people who also objected to those politics renaming their usernames ...
To get rid of it, I ran: $ sudo chmod o-t /opt/dell/srvadmin/var/log/openmanage/omcmdlog.xml $ ls -l /opt/dell/srvadmin/var/log/openmanage/omcmdlog.xml -rw-rw-r--. 1 root root 735 Dec 19 22:03...
I have a GNU/Linux host that I use to aggregate syslog events from a few switches, printers, and generally less versatile hosts on my LAN. I set up rsyslog years ago to listen on UDP:514 and save ...
I have a few CentOS servers that I want to stay automatically up to date with yum-cron, and I want to get emails when there are problems but I do not want to get so many emails about repos being ou...
How can I grow a libvirtd VM's LVM-backed virtual disk online, without rebooting the vm. My host has an LVM VG for VMs. Each VM disk is an LV to the host. It's easy to grow the VG by adding a PV...
virsh blockresize vmname diskname --size 123b vmname is the name of the "domain" in libvirt parlance. diskname is the name inside /dev int the vm. vda or vdb for instance. 123 should be the exa...
I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, t...