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atd

master
Gašper Spagnolo 2024-02-02 11:27:31 +01:00
parent 6f94f240d2
commit 537b745776
1 changed files with 49 additions and 0 deletions
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@ -618,3 +618,52 @@ root@ls-2024-9:/etc/systemd/system# systemctl daemon-reload
root@ls-2024-9:/etc/systemd/system# systemctl restart mysql.service
```
### ATD
```bash
root@ls-2024-9:/etc/systemd/system# ps -f -p 834
UID PID PPID C STIME TTY TIME CMD
daemon 834 1 0 07:59 ? 00:00:00 /usr/sbin/atd -f
```
```bash
root@ls-2024-9:/etc/systemd/system# sudo systemctl status atd
● atd.service - Deferred execution scheduler
Loaded: loaded (/lib/systemd/system/atd.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2024-02-02 07:59:27 UTC; 2h 21min ago
Docs: man:atd(8)
Main PID: 834 (atd)
Tasks: 1 (limit: 1116)
Memory: 452.0K
CPU: 5ms
CGroup: /system.slice/atd.service
└─834 /usr/sbin/atd -f
Feb 02 07:59:27 ls-2024-9 systemd[1]: Starting Deferred execution scheduler...
Feb 02 07:59:27 ls-2024-9 systemd[1]: Started Deferred execution scheduler.
```
Lets check which files does it have open:
```bash
root@ls-2024-9:/etc/systemd/system# sudo lsof -p 834
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
atd 834 daemon cwd DIR 252,1 4096 259122 /var/spool/cron/atjobs
atd 834 daemon rtd DIR 252,1 4096 2 /
atd 834 daemon txt REG 252,1 30888 73749 /usr/sbin/atd
atd 834 daemon mem REG 252,1 27072 3571 /usr/lib/x86_64-linux-gnu/libcap-ng.so.0.0.0
atd 834 daemon mem REG 252,1 613064 4750 /usr/lib/x86_64-linux-gnu/libpcre2-8.so.0.10.4
atd 834 daemon mem REG 252,1 133200 3594 /usr/lib/x86_64-linux-gnu/libaudit.so.1.0.0
atd 834 daemon mem REG 252,1 2220400 69316 /usr/lib/x86_64-linux-gnu/libc.so.6
atd 834 daemon mem REG 252,1 166280 3926 /usr/lib/x86_64-linux-gnu/libselinux.so.1
atd 834 daemon mem REG 252,1 67736 4671 /usr/lib/x86_64-linux-gnu/libpam.so.0.85.1
atd 834 daemon mem REG 252,1 240936 34599 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
atd 834 daemon 0u CHR 1,3 0t0 5 /dev/null
atd 834 daemon 1u CHR 1,3 0t0 5 /dev/null
atd 834 daemon 2u CHR 1,3 0t0 5 /dev/null
atd 834 daemon 3uW REG 0,25 4 1442 /run/atd.pid
```
So far nothing sus. But just in case lets disable it.
- `systemctl disable --now atd`