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Arch Linux is a simple, lightweight, rolling Linux distribution aimed at keeping things simple. Use this tag for questions specific to Arch Linux. Do NOT use this tage for derivatives, such as Manjaro.

3
votes
2answers
I have a bash script which is run every 10m by cron. The script performs an expensive calculation for some value (say variable x=value). I need to "cache" this value for 2-3 hours. What are possible s …
asked Sep 21 '11 by Eugene Yarmash
3
votes
1answer
Is there any equivalent to FreeBSD's portupgrade -R in Arch Linux? From man portupgrade: -R --upward-recursive Act on all those packages required by the given pack …
asked Oct 19 '11 by Eugene Yarmash
12
votes
4answers
I have a bash script which uses rsync to backup files in Archlinux. I noticed that rsync failed to copy a file from /sys, while cp worked just fine: # rsync /sys/class/net/enp3s1/address /tmp rsy …
asked Apr 24 '13 by Eugene Yarmash
6
votes
4answers
I'm trying to configure OpenVPN to update DNS-servers as described here. That seems to work, but resolvconf prepends nameservers (and also search domains) to the list of existing nameservers. How can …
asked Dec 2 '14 by Eugene Yarmash
3
votes
2answers
On my Archlinux box I want to limit some applications to a smaller amount of memory using cgroups. Since I use swap, I need to account memory+swap. How can I enable swap accounting?
asked Jul 29 '14 by Eugene Yarmash
2
votes
2answers
I've recently noticed some changes to the /etc/group and /etc/gshadow files on my Arch Linux system, which were presumably caused by a system upgrade: +kvm:x:992: # group +kvm:!!:: # gshadow …
asked Aug 1 '17 by Eugene Yarmash
1
vote
One way is to search the sysusers.d directory, which contains configuration files for systemd-sysusers. In particular, the kvm group is currently created by systemd. This is the commit that introduced …
answered Oct 29 '17 by Eugene Yarmash
3
votes
5answers
Currently I'm using netstat for this: if netstat -an | grep ESTABLISHED | grep $address:$port > /dev/null; then # command fi Is there a more elegant solution?
asked Sep 19 '11 by Eugene Yarmash
1
vote
You need to use 80-net-name-slot.rules instead of 80-net-setup-link.rules for the filename in release v197 through v208. This is documented here.
answered May 16 '14 by Eugene Yarmash
0
votes
Resolvconf prioritizes nameserver addresses according to interface type. The priority can be changed by updating either the /etc/interface-order file or /etc/resolvconf.conf. For example, to make sure …
answered Dec 30 '14 by Eugene Yarmash
15
votes
1answer
I've noticed that after uninstalling the postgresql package in ArchLinux the postgres user and group are not removed automatically. The same is true for some other packages. Investigating this further …
asked Nov 30 '15 by Eugene Yarmash