Any commandline tools to rename files that don't already contain a string or a set of strings to then include that string. So all files in a given folder should have "high" in the name for high priority but some do some don't rather than add it to all files, first check if it has high in the name...

There are some tools on internet like Distroshare Ubuntu Imager to make distributions based on Ubuntu. Are questions on those distributions on topic here? Or are they off topic?

I use EFI booting on a Macbook pro. (I can't use UEFI because the machine is too old.) On the internal drive, I have Ubuntu Linux 20.04. I had the unfortunate idea to install Ubuntu Linux 20.04 on an external drive from live USB. (I am trying to make a clone with incremental backup, which appa...

I cannot solve DNS resolution on UBUNTU 20.04. If I check the IP values after connection it is showing the right DNS server address, but in NSLookup the DNS server is not listed, and it comes back with a connection problem. When I change over to my phone's hotspot as WIFI connection, the DNS ser...

I want to know what is my problem. First of all I set VPN server for Wireguard and Shadowsocks that use some ports such as 51820 and 8000. Then I set some rules inside iptables for input and output and forward. and below items are my outputs: root@server:~# systemctl status iptables Unit ipt...

I need a little help with this in ubuntu/linux Write a shell script that displays the number of hard and soft links from a given path provided as a positional parameter. Thank you

I have two identical machines with ASLR set to 0. They are running the same executable. The size of vDSO region is not the same across them. This causes other regions to shift. Why are the sizes not same? Machine 1 00400000-00401000 r--p 00000000 ca:01 256227 /home/u...

I am running an old version of Ubuntu (14.04 LTS) because my video card is no longer supported by the kernel in newer releases of Ubuntu. I discovered in my cron.daily directory a script called popularity-contest which is "phoning home" every day. Can I remove it safely? This link says it was ...

I'm trying to connect my computer LocalClient to RemoteHost via a JumpHost that I have no control over. I have complete control of the client and RemoteHost (admin privileges) I can connect to the RemoteHost from LocalClient perfectly via ssh as: ssh -tX relayUserName@JumpHost remoteUser@Remo...

I have the unfortunate position of having spent 4 years developing a software business that in the current climate is not going to be allowed to succeed with all the budget cutbacks. My web application resides on a cloud server that runs on Ubuntu 16.04 and I have SSH access. I have made regular...

I'm using curl for a while now to debug my non-prod web services. When I'm using the --dns-servers option, I always receive an error that this feature was not found: curl --dns-servers _MY_DNS_SERVER_IP_ https://_MY_DOMAINS_ curl: (4) A requested feature, protocol or option was not found built...